danno@chromium.org | fa458e4 | 2012-02-01 10:48:36 +0000 | [diff] [blame] | 1 | // Copyright 2012 the V8 project authors. All rights reserved. |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 2 | |
| 3 | #include <stdlib.h> |
| 4 | |
| 5 | #include "v8.h" |
| 6 | |
verwaest@chromium.org | 33e09c8 | 2012-10-10 17:07:22 +0000 | [diff] [blame] | 7 | #include "compilation-cache.h" |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 8 | #include "execution.h" |
| 9 | #include "factory.h" |
| 10 | #include "macro-assembler.h" |
| 11 | #include "global-handles.h" |
verwaest@chromium.org | 33e09c8 | 2012-10-10 17:07:22 +0000 | [diff] [blame] | 12 | #include "stub-cache.h" |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 13 | #include "cctest.h" |
| 14 | |
| 15 | using namespace v8::internal; |
| 16 | |
| 17 | static v8::Persistent<v8::Context> env; |
| 18 | |
| 19 | static void InitializeVM() { |
| 20 | if (env.IsEmpty()) env = v8::Context::New(); |
| 21 | v8::HandleScope scope; |
| 22 | env->Enter(); |
| 23 | } |
| 24 | |
| 25 | |
verwaest@chromium.org | e4ee6de | 2012-11-06 12:13:00 +0000 | [diff] [blame] | 26 | // Go through all incremental marking steps in one swoop. |
| 27 | static void SimulateIncrementalMarking() { |
| 28 | IncrementalMarking* marking = HEAP->incremental_marking(); |
jkummerow@chromium.org | 5323a9c | 2012-12-10 19:00:50 +0000 | [diff] [blame] | 29 | CHECK(marking->IsMarking() || marking->IsStopped()); |
| 30 | if (marking->IsStopped()) { |
| 31 | marking->Start(); |
| 32 | } |
verwaest@chromium.org | e4ee6de | 2012-11-06 12:13:00 +0000 | [diff] [blame] | 33 | CHECK(marking->IsMarking()); |
| 34 | while (!marking->IsComplete()) { |
| 35 | marking->Step(MB, IncrementalMarking::NO_GC_VIA_STACK_GUARD); |
| 36 | } |
| 37 | CHECK(marking->IsComplete()); |
| 38 | } |
| 39 | |
| 40 | |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 41 | static void CheckMap(Map* map, int type, int instance_size) { |
| 42 | CHECK(map->IsHeapObject()); |
| 43 | #ifdef DEBUG |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 44 | CHECK(HEAP->Contains(map)); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 45 | #endif |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 46 | CHECK_EQ(HEAP->meta_map(), map->map()); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 47 | CHECK_EQ(type, map->instance_type()); |
| 48 | CHECK_EQ(instance_size, map->instance_size()); |
| 49 | } |
| 50 | |
| 51 | |
| 52 | TEST(HeapMaps) { |
| 53 | InitializeVM(); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 54 | CheckMap(HEAP->meta_map(), MAP_TYPE, Map::kSize); |
| 55 | CheckMap(HEAP->heap_number_map(), HEAP_NUMBER_TYPE, HeapNumber::kSize); |
| 56 | CheckMap(HEAP->fixed_array_map(), FIXED_ARRAY_TYPE, kVariableSizeSentinel); |
| 57 | CheckMap(HEAP->string_map(), STRING_TYPE, kVariableSizeSentinel); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 58 | } |
| 59 | |
| 60 | |
| 61 | static void CheckOddball(Object* obj, const char* string) { |
| 62 | CHECK(obj->IsOddball()); |
| 63 | bool exc; |
| 64 | Object* print_string = *Execution::ToString(Handle<Object>(obj), &exc); |
jkummerow@chromium.org | 59297c7 | 2013-01-09 16:32:23 +0000 | [diff] [blame^] | 65 | CHECK(String::cast(print_string)->IsUtf8EqualTo(CStrVector(string))); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 66 | } |
| 67 | |
| 68 | |
| 69 | static void CheckSmi(int value, const char* string) { |
| 70 | bool exc; |
| 71 | Object* print_string = |
| 72 | *Execution::ToString(Handle<Object>(Smi::FromInt(value)), &exc); |
jkummerow@chromium.org | 59297c7 | 2013-01-09 16:32:23 +0000 | [diff] [blame^] | 73 | CHECK(String::cast(print_string)->IsUtf8EqualTo(CStrVector(string))); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 74 | } |
| 75 | |
| 76 | |
| 77 | static void CheckNumber(double value, const char* string) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 78 | Object* obj = HEAP->NumberFromDouble(value)->ToObjectChecked(); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 79 | CHECK(obj->IsNumber()); |
| 80 | bool exc; |
| 81 | Object* print_string = *Execution::ToString(Handle<Object>(obj), &exc); |
jkummerow@chromium.org | 59297c7 | 2013-01-09 16:32:23 +0000 | [diff] [blame^] | 82 | CHECK(String::cast(print_string)->IsUtf8EqualTo(CStrVector(string))); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 83 | } |
| 84 | |
| 85 | |
| 86 | static void CheckFindCodeObject() { |
| 87 | // Test FindCodeObject |
| 88 | #define __ assm. |
| 89 | |
kmillikin@chromium.org | c36ce6e | 2011-04-04 08:25:31 +0000 | [diff] [blame] | 90 | Assembler assm(Isolate::Current(), NULL, 0); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 91 | |
| 92 | __ nop(); // supported on all architectures |
| 93 | |
| 94 | CodeDesc desc; |
| 95 | assm.GetCode(&desc); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 96 | Object* code = HEAP->CreateCode( |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 97 | desc, |
| 98 | Code::ComputeFlags(Code::STUB), |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 99 | Handle<Object>(HEAP->undefined_value()))->ToObjectChecked(); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 100 | CHECK(code->IsCode()); |
| 101 | |
| 102 | HeapObject* obj = HeapObject::cast(code); |
| 103 | Address obj_addr = obj->address(); |
| 104 | |
| 105 | for (int i = 0; i < obj->Size(); i += kPointerSize) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 106 | Object* found = HEAP->FindCodeObject(obj_addr + i); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 107 | CHECK_EQ(code, found); |
| 108 | } |
| 109 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 110 | Object* copy = HEAP->CreateCode( |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 111 | desc, |
| 112 | Code::ComputeFlags(Code::STUB), |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 113 | Handle<Object>(HEAP->undefined_value()))->ToObjectChecked(); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 114 | CHECK(copy->IsCode()); |
| 115 | HeapObject* obj_copy = HeapObject::cast(copy); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 116 | Object* not_right = HEAP->FindCodeObject(obj_copy->address() + |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 117 | obj_copy->Size() / 2); |
| 118 | CHECK(not_right != code); |
| 119 | } |
| 120 | |
| 121 | |
| 122 | TEST(HeapObjects) { |
| 123 | InitializeVM(); |
| 124 | |
| 125 | v8::HandleScope sc; |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 126 | Object* value = HEAP->NumberFromDouble(1.000123)->ToObjectChecked(); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 127 | CHECK(value->IsHeapNumber()); |
| 128 | CHECK(value->IsNumber()); |
| 129 | CHECK_EQ(1.000123, value->Number()); |
| 130 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 131 | value = HEAP->NumberFromDouble(1.0)->ToObjectChecked(); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 132 | CHECK(value->IsSmi()); |
| 133 | CHECK(value->IsNumber()); |
| 134 | CHECK_EQ(1.0, value->Number()); |
| 135 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 136 | value = HEAP->NumberFromInt32(1024)->ToObjectChecked(); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 137 | CHECK(value->IsSmi()); |
| 138 | CHECK(value->IsNumber()); |
| 139 | CHECK_EQ(1024.0, value->Number()); |
| 140 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 141 | value = HEAP->NumberFromInt32(Smi::kMinValue)->ToObjectChecked(); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 142 | CHECK(value->IsSmi()); |
| 143 | CHECK(value->IsNumber()); |
| 144 | CHECK_EQ(Smi::kMinValue, Smi::cast(value)->value()); |
| 145 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 146 | value = HEAP->NumberFromInt32(Smi::kMaxValue)->ToObjectChecked(); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 147 | CHECK(value->IsSmi()); |
| 148 | CHECK(value->IsNumber()); |
| 149 | CHECK_EQ(Smi::kMaxValue, Smi::cast(value)->value()); |
| 150 | |
christian.plesner.hansen@gmail.com | 9d58c2b | 2009-10-16 11:48:38 +0000 | [diff] [blame] | 151 | #ifndef V8_TARGET_ARCH_X64 |
| 152 | // TODO(lrn): We need a NumberFromIntptr function in order to test this. |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 153 | value = HEAP->NumberFromInt32(Smi::kMinValue - 1)->ToObjectChecked(); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 154 | CHECK(value->IsHeapNumber()); |
| 155 | CHECK(value->IsNumber()); |
| 156 | CHECK_EQ(static_cast<double>(Smi::kMinValue - 1), value->Number()); |
christian.plesner.hansen@gmail.com | 9d58c2b | 2009-10-16 11:48:38 +0000 | [diff] [blame] | 157 | #endif |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 158 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 159 | MaybeObject* maybe_value = |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 160 | HEAP->NumberFromUint32(static_cast<uint32_t>(Smi::kMaxValue) + 1); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 161 | value = maybe_value->ToObjectChecked(); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 162 | CHECK(value->IsHeapNumber()); |
| 163 | CHECK(value->IsNumber()); |
christian.plesner.hansen@gmail.com | 9d58c2b | 2009-10-16 11:48:38 +0000 | [diff] [blame] | 164 | CHECK_EQ(static_cast<double>(static_cast<uint32_t>(Smi::kMaxValue) + 1), |
| 165 | value->Number()); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 166 | |
jkummerow@chromium.org | 59297c7 | 2013-01-09 16:32:23 +0000 | [diff] [blame^] | 167 | maybe_value = HEAP->NumberFromUint32(static_cast<uint32_t>(1) << 31); |
| 168 | value = maybe_value->ToObjectChecked(); |
| 169 | CHECK(value->IsHeapNumber()); |
| 170 | CHECK(value->IsNumber()); |
| 171 | CHECK_EQ(static_cast<double>(static_cast<uint32_t>(1) << 31), |
| 172 | value->Number()); |
| 173 | |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 174 | // nan oddball checks |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 175 | CHECK(HEAP->nan_value()->IsNumber()); |
| 176 | CHECK(isnan(HEAP->nan_value()->Number())); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 177 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 178 | Handle<String> s = FACTORY->NewStringFromAscii(CStrVector("fisk hest ")); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 179 | CHECK(s->IsString()); |
| 180 | CHECK_EQ(10, s->length()); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 181 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 182 | String* object_symbol = String::cast(HEAP->Object_symbol()); |
| 183 | CHECK( |
yangguo@chromium.org | 46839fb | 2012-08-28 09:06:19 +0000 | [diff] [blame] | 184 | Isolate::Current()->context()->global_object()->HasLocalProperty( |
| 185 | object_symbol)); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 186 | |
| 187 | // Check ToString for oddballs |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 188 | CheckOddball(HEAP->true_value(), "true"); |
| 189 | CheckOddball(HEAP->false_value(), "false"); |
| 190 | CheckOddball(HEAP->null_value(), "null"); |
| 191 | CheckOddball(HEAP->undefined_value(), "undefined"); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 192 | |
| 193 | // Check ToString for Smis |
| 194 | CheckSmi(0, "0"); |
| 195 | CheckSmi(42, "42"); |
| 196 | CheckSmi(-42, "-42"); |
| 197 | |
| 198 | // Check ToString for Numbers |
| 199 | CheckNumber(1.1, "1.1"); |
| 200 | |
| 201 | CheckFindCodeObject(); |
| 202 | } |
| 203 | |
| 204 | |
| 205 | TEST(Tagging) { |
| 206 | InitializeVM(); |
kasperl@chromium.org | 71affb5 | 2009-05-26 05:44:31 +0000 | [diff] [blame] | 207 | int request = 24; |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 208 | CHECK_EQ(request, static_cast<int>(OBJECT_POINTER_ALIGN(request))); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 209 | CHECK(Smi::FromInt(42)->IsSmi()); |
whesse@chromium.org | 4a5224e | 2010-10-20 12:37:07 +0000 | [diff] [blame] | 210 | CHECK(Failure::RetryAfterGC(NEW_SPACE)->IsFailure()); |
kasperl@chromium.org | 71affb5 | 2009-05-26 05:44:31 +0000 | [diff] [blame] | 211 | CHECK_EQ(NEW_SPACE, |
whesse@chromium.org | 4a5224e | 2010-10-20 12:37:07 +0000 | [diff] [blame] | 212 | Failure::RetryAfterGC(NEW_SPACE)->allocation_space()); |
ager@chromium.org | 9258b6b | 2008-09-11 09:11:10 +0000 | [diff] [blame] | 213 | CHECK_EQ(OLD_POINTER_SPACE, |
whesse@chromium.org | 4a5224e | 2010-10-20 12:37:07 +0000 | [diff] [blame] | 214 | Failure::RetryAfterGC(OLD_POINTER_SPACE)->allocation_space()); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 215 | CHECK(Failure::Exception()->IsFailure()); |
| 216 | CHECK(Smi::FromInt(Smi::kMinValue)->IsSmi()); |
| 217 | CHECK(Smi::FromInt(Smi::kMaxValue)->IsSmi()); |
| 218 | } |
| 219 | |
| 220 | |
| 221 | TEST(GarbageCollection) { |
| 222 | InitializeVM(); |
| 223 | |
| 224 | v8::HandleScope sc; |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 225 | // Check GC. |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 226 | HEAP->CollectGarbage(NEW_SPACE); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 227 | |
yangguo@chromium.org | a6bbcc8 | 2012-12-21 12:35:02 +0000 | [diff] [blame] | 228 | Handle<String> name = FACTORY->LookupUtf8Symbol("theFunction"); |
| 229 | Handle<String> prop_name = FACTORY->LookupUtf8Symbol("theSlot"); |
| 230 | Handle<String> prop_namex = FACTORY->LookupUtf8Symbol("theSlotx"); |
| 231 | Handle<String> obj_name = FACTORY->LookupUtf8Symbol("theObject"); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 232 | |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 233 | { |
| 234 | v8::HandleScope inner_scope; |
| 235 | // Allocate a function and keep it in global object's property. |
| 236 | Handle<JSFunction> function = |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 237 | FACTORY->NewFunction(name, FACTORY->undefined_value()); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 238 | Handle<Map> initial_map = |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 239 | FACTORY->NewMap(JS_OBJECT_TYPE, JSObject::kHeaderSize); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 240 | function->set_initial_map(*initial_map); |
yangguo@chromium.org | 46839fb | 2012-08-28 09:06:19 +0000 | [diff] [blame] | 241 | Isolate::Current()->context()->global_object()->SetProperty( |
ager@chromium.org | 9ee27ae | 2011-03-02 13:43:26 +0000 | [diff] [blame] | 242 | *name, *function, NONE, kNonStrictMode)->ToObjectChecked(); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 243 | // Allocate an object. Unrooted after leaving the scope. |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 244 | Handle<JSObject> obj = FACTORY->NewJSObject(function); |
ager@chromium.org | 9ee27ae | 2011-03-02 13:43:26 +0000 | [diff] [blame] | 245 | obj->SetProperty( |
| 246 | *prop_name, Smi::FromInt(23), NONE, kNonStrictMode)->ToObjectChecked(); |
| 247 | obj->SetProperty( |
| 248 | *prop_namex, Smi::FromInt(24), NONE, kNonStrictMode)->ToObjectChecked(); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 249 | |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 250 | CHECK_EQ(Smi::FromInt(23), obj->GetProperty(*prop_name)); |
| 251 | CHECK_EQ(Smi::FromInt(24), obj->GetProperty(*prop_namex)); |
| 252 | } |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 253 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 254 | HEAP->CollectGarbage(NEW_SPACE); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 255 | |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 256 | // Function should be alive. |
yangguo@chromium.org | 46839fb | 2012-08-28 09:06:19 +0000 | [diff] [blame] | 257 | CHECK(Isolate::Current()->context()->global_object()-> |
| 258 | HasLocalProperty(*name)); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 259 | // Check function is retained. |
yangguo@chromium.org | 46839fb | 2012-08-28 09:06:19 +0000 | [diff] [blame] | 260 | Object* func_value = Isolate::Current()->context()->global_object()-> |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 261 | GetProperty(*name)->ToObjectChecked(); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 262 | CHECK(func_value->IsJSFunction()); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 263 | Handle<JSFunction> function(JSFunction::cast(func_value)); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 264 | |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 265 | { |
| 266 | HandleScope inner_scope; |
| 267 | // Allocate another object, make it reachable from global. |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 268 | Handle<JSObject> obj = FACTORY->NewJSObject(function); |
yangguo@chromium.org | 46839fb | 2012-08-28 09:06:19 +0000 | [diff] [blame] | 269 | Isolate::Current()->context()->global_object()->SetProperty( |
ager@chromium.org | 9ee27ae | 2011-03-02 13:43:26 +0000 | [diff] [blame] | 270 | *obj_name, *obj, NONE, kNonStrictMode)->ToObjectChecked(); |
| 271 | obj->SetProperty( |
| 272 | *prop_name, Smi::FromInt(23), NONE, kNonStrictMode)->ToObjectChecked(); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 273 | } |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 274 | |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 275 | // After gc, it should survive. |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 276 | HEAP->CollectGarbage(NEW_SPACE); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 277 | |
yangguo@chromium.org | 46839fb | 2012-08-28 09:06:19 +0000 | [diff] [blame] | 278 | CHECK(Isolate::Current()->context()->global_object()-> |
| 279 | HasLocalProperty(*obj_name)); |
| 280 | CHECK(Isolate::Current()->context()->global_object()-> |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 281 | GetProperty(*obj_name)->ToObjectChecked()->IsJSObject()); |
yangguo@chromium.org | 46839fb | 2012-08-28 09:06:19 +0000 | [diff] [blame] | 282 | Object* obj = Isolate::Current()->context()->global_object()-> |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 283 | GetProperty(*obj_name)->ToObjectChecked(); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 284 | JSObject* js_obj = JSObject::cast(obj); |
| 285 | CHECK_EQ(Smi::FromInt(23), js_obj->GetProperty(*prop_name)); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 286 | } |
| 287 | |
| 288 | |
| 289 | static void VerifyStringAllocation(const char* string) { |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 290 | v8::HandleScope scope; |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 291 | Handle<String> s = FACTORY->NewStringFromUtf8(CStrVector(string)); |
ager@chromium.org | c4c9272 | 2009-11-18 14:12:51 +0000 | [diff] [blame] | 292 | CHECK_EQ(StrLength(string), s->length()); |
ager@chromium.org | bb29dc9 | 2009-03-24 13:25:23 +0000 | [diff] [blame] | 293 | for (int index = 0; index < s->length(); index++) { |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 294 | CHECK_EQ(static_cast<uint16_t>(string[index]), s->Get(index)); |
| 295 | } |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 296 | } |
| 297 | |
| 298 | |
| 299 | TEST(String) { |
| 300 | InitializeVM(); |
| 301 | |
| 302 | VerifyStringAllocation("a"); |
| 303 | VerifyStringAllocation("ab"); |
| 304 | VerifyStringAllocation("abc"); |
| 305 | VerifyStringAllocation("abcd"); |
| 306 | VerifyStringAllocation("fiskerdrengen er paa havet"); |
| 307 | } |
| 308 | |
| 309 | |
| 310 | TEST(LocalHandles) { |
| 311 | InitializeVM(); |
| 312 | |
| 313 | v8::HandleScope scope; |
| 314 | const char* name = "Kasper the spunky"; |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 315 | Handle<String> string = FACTORY->NewStringFromAscii(CStrVector(name)); |
ager@chromium.org | c4c9272 | 2009-11-18 14:12:51 +0000 | [diff] [blame] | 316 | CHECK_EQ(StrLength(name), string->length()); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 317 | } |
| 318 | |
| 319 | |
| 320 | TEST(GlobalHandles) { |
| 321 | InitializeVM(); |
kmillikin@chromium.org | 7c2628c | 2011-08-10 11:27:35 +0000 | [diff] [blame] | 322 | GlobalHandles* global_handles = Isolate::Current()->global_handles(); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 323 | |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 324 | Handle<Object> h1; |
| 325 | Handle<Object> h2; |
| 326 | Handle<Object> h3; |
| 327 | Handle<Object> h4; |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 328 | |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 329 | { |
| 330 | HandleScope scope; |
| 331 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 332 | Handle<Object> i = FACTORY->NewStringFromAscii(CStrVector("fisk")); |
| 333 | Handle<Object> u = FACTORY->NewNumber(1.12344); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 334 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 335 | h1 = global_handles->Create(*i); |
| 336 | h2 = global_handles->Create(*u); |
| 337 | h3 = global_handles->Create(*i); |
| 338 | h4 = global_handles->Create(*u); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 339 | } |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 340 | |
| 341 | // after gc, it should survive |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 342 | HEAP->CollectGarbage(NEW_SPACE); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 343 | |
| 344 | CHECK((*h1)->IsString()); |
| 345 | CHECK((*h2)->IsHeapNumber()); |
| 346 | CHECK((*h3)->IsString()); |
| 347 | CHECK((*h4)->IsHeapNumber()); |
| 348 | |
| 349 | CHECK_EQ(*h3, *h1); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 350 | global_handles->Destroy(h1.location()); |
| 351 | global_handles->Destroy(h3.location()); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 352 | |
| 353 | CHECK_EQ(*h4, *h2); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 354 | global_handles->Destroy(h2.location()); |
| 355 | global_handles->Destroy(h4.location()); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 356 | } |
| 357 | |
| 358 | |
| 359 | static bool WeakPointerCleared = false; |
| 360 | |
kasperl@chromium.org | 5a8ca6c | 2008-10-23 13:57:19 +0000 | [diff] [blame] | 361 | static void TestWeakGlobalHandleCallback(v8::Persistent<v8::Value> handle, |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 362 | void* id) { |
kasperl@chromium.org | 71affb5 | 2009-05-26 05:44:31 +0000 | [diff] [blame] | 363 | if (1234 == reinterpret_cast<intptr_t>(id)) WeakPointerCleared = true; |
fschneider@chromium.org | ed78ffd | 2010-07-21 11:05:19 +0000 | [diff] [blame] | 364 | handle.Dispose(); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 365 | } |
| 366 | |
| 367 | |
| 368 | TEST(WeakGlobalHandlesScavenge) { |
| 369 | InitializeVM(); |
kmillikin@chromium.org | 7c2628c | 2011-08-10 11:27:35 +0000 | [diff] [blame] | 370 | GlobalHandles* global_handles = Isolate::Current()->global_handles(); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 371 | |
| 372 | WeakPointerCleared = false; |
| 373 | |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 374 | Handle<Object> h1; |
| 375 | Handle<Object> h2; |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 376 | |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 377 | { |
| 378 | HandleScope scope; |
| 379 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 380 | Handle<Object> i = FACTORY->NewStringFromAscii(CStrVector("fisk")); |
| 381 | Handle<Object> u = FACTORY->NewNumber(1.12344); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 382 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 383 | h1 = global_handles->Create(*i); |
| 384 | h2 = global_handles->Create(*u); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 385 | } |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 386 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 387 | global_handles->MakeWeak(h2.location(), |
| 388 | reinterpret_cast<void*>(1234), |
| 389 | &TestWeakGlobalHandleCallback); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 390 | |
| 391 | // Scavenge treats weak pointers as normal roots. |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 392 | HEAP->PerformScavenge(); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 393 | |
| 394 | CHECK((*h1)->IsString()); |
| 395 | CHECK((*h2)->IsHeapNumber()); |
| 396 | |
| 397 | CHECK(!WeakPointerCleared); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 398 | CHECK(!global_handles->IsNearDeath(h2.location())); |
| 399 | CHECK(!global_handles->IsNearDeath(h1.location())); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 400 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 401 | global_handles->Destroy(h1.location()); |
| 402 | global_handles->Destroy(h2.location()); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 403 | } |
| 404 | |
| 405 | |
| 406 | TEST(WeakGlobalHandlesMark) { |
| 407 | InitializeVM(); |
kmillikin@chromium.org | 7c2628c | 2011-08-10 11:27:35 +0000 | [diff] [blame] | 408 | GlobalHandles* global_handles = Isolate::Current()->global_handles(); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 409 | |
| 410 | WeakPointerCleared = false; |
| 411 | |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 412 | Handle<Object> h1; |
| 413 | Handle<Object> h2; |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 414 | |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 415 | { |
| 416 | HandleScope scope; |
| 417 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 418 | Handle<Object> i = FACTORY->NewStringFromAscii(CStrVector("fisk")); |
| 419 | Handle<Object> u = FACTORY->NewNumber(1.12344); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 420 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 421 | h1 = global_handles->Create(*i); |
| 422 | h2 = global_handles->Create(*u); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 423 | } |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 424 | |
jkummerow@chromium.org | 5323a9c | 2012-12-10 19:00:50 +0000 | [diff] [blame] | 425 | // Make sure the objects are promoted. |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 426 | HEAP->CollectGarbage(OLD_POINTER_SPACE); |
| 427 | HEAP->CollectGarbage(NEW_SPACE); |
jkummerow@chromium.org | 5323a9c | 2012-12-10 19:00:50 +0000 | [diff] [blame] | 428 | CHECK(!HEAP->InNewSpace(*h1) && !HEAP->InNewSpace(*h2)); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 429 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 430 | global_handles->MakeWeak(h2.location(), |
| 431 | reinterpret_cast<void*>(1234), |
| 432 | &TestWeakGlobalHandleCallback); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 433 | CHECK(!GlobalHandles::IsNearDeath(h1.location())); |
| 434 | CHECK(!GlobalHandles::IsNearDeath(h2.location())); |
| 435 | |
jkummerow@chromium.org | 5323a9c | 2012-12-10 19:00:50 +0000 | [diff] [blame] | 436 | // Incremental marking potentially marked handles before they turned weak. |
| 437 | HEAP->CollectAllGarbage(Heap::kAbortIncrementalMarkingMask); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 438 | |
| 439 | CHECK((*h1)->IsString()); |
| 440 | |
| 441 | CHECK(WeakPointerCleared); |
| 442 | CHECK(!GlobalHandles::IsNearDeath(h1.location())); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 443 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 444 | global_handles->Destroy(h1.location()); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 445 | } |
| 446 | |
mstarzinger@chromium.org | 471f2f1 | 2012-08-10 14:46:33 +0000 | [diff] [blame] | 447 | |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 448 | TEST(DeleteWeakGlobalHandle) { |
| 449 | InitializeVM(); |
kmillikin@chromium.org | 7c2628c | 2011-08-10 11:27:35 +0000 | [diff] [blame] | 450 | GlobalHandles* global_handles = Isolate::Current()->global_handles(); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 451 | |
| 452 | WeakPointerCleared = false; |
| 453 | |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 454 | Handle<Object> h; |
| 455 | |
| 456 | { |
| 457 | HandleScope scope; |
| 458 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 459 | Handle<Object> i = FACTORY->NewStringFromAscii(CStrVector("fisk")); |
| 460 | h = global_handles->Create(*i); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 461 | } |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 462 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 463 | global_handles->MakeWeak(h.location(), |
| 464 | reinterpret_cast<void*>(1234), |
| 465 | &TestWeakGlobalHandleCallback); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 466 | |
| 467 | // Scanvenge does not recognize weak reference. |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 468 | HEAP->PerformScavenge(); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 469 | |
| 470 | CHECK(!WeakPointerCleared); |
| 471 | |
| 472 | // Mark-compact treats weak reference properly. |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 473 | HEAP->CollectGarbage(OLD_POINTER_SPACE); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 474 | |
| 475 | CHECK(WeakPointerCleared); |
| 476 | } |
| 477 | |
mstarzinger@chromium.org | 471f2f1 | 2012-08-10 14:46:33 +0000 | [diff] [blame] | 478 | |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 479 | static const char* not_so_random_string_table[] = { |
| 480 | "abstract", |
| 481 | "boolean", |
| 482 | "break", |
| 483 | "byte", |
| 484 | "case", |
| 485 | "catch", |
| 486 | "char", |
| 487 | "class", |
| 488 | "const", |
| 489 | "continue", |
| 490 | "debugger", |
| 491 | "default", |
| 492 | "delete", |
| 493 | "do", |
| 494 | "double", |
| 495 | "else", |
| 496 | "enum", |
| 497 | "export", |
| 498 | "extends", |
| 499 | "false", |
| 500 | "final", |
| 501 | "finally", |
| 502 | "float", |
| 503 | "for", |
| 504 | "function", |
| 505 | "goto", |
| 506 | "if", |
| 507 | "implements", |
| 508 | "import", |
| 509 | "in", |
| 510 | "instanceof", |
| 511 | "int", |
| 512 | "interface", |
| 513 | "long", |
| 514 | "native", |
| 515 | "new", |
| 516 | "null", |
| 517 | "package", |
| 518 | "private", |
| 519 | "protected", |
| 520 | "public", |
| 521 | "return", |
| 522 | "short", |
| 523 | "static", |
| 524 | "super", |
| 525 | "switch", |
| 526 | "synchronized", |
| 527 | "this", |
| 528 | "throw", |
| 529 | "throws", |
| 530 | "transient", |
| 531 | "true", |
| 532 | "try", |
| 533 | "typeof", |
| 534 | "var", |
| 535 | "void", |
| 536 | "volatile", |
| 537 | "while", |
| 538 | "with", |
| 539 | 0 |
| 540 | }; |
| 541 | |
| 542 | |
| 543 | static void CheckSymbols(const char** strings) { |
| 544 | for (const char* string = *strings; *strings != 0; string = *strings++) { |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 545 | Object* a; |
yangguo@chromium.org | a6bbcc8 | 2012-12-21 12:35:02 +0000 | [diff] [blame] | 546 | MaybeObject* maybe_a = HEAP->LookupUtf8Symbol(string); |
| 547 | // LookupUtf8Symbol may return a failure if a GC is needed. |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 548 | if (!maybe_a->ToObject(&a)) continue; |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 549 | CHECK(a->IsSymbol()); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 550 | Object* b; |
yangguo@chromium.org | a6bbcc8 | 2012-12-21 12:35:02 +0000 | [diff] [blame] | 551 | MaybeObject* maybe_b = HEAP->LookupUtf8Symbol(string); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 552 | if (!maybe_b->ToObject(&b)) continue; |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 553 | CHECK_EQ(b, a); |
jkummerow@chromium.org | 59297c7 | 2013-01-09 16:32:23 +0000 | [diff] [blame^] | 554 | CHECK(String::cast(b)->IsUtf8EqualTo(CStrVector(string))); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 555 | } |
| 556 | } |
| 557 | |
| 558 | |
| 559 | TEST(SymbolTable) { |
| 560 | InitializeVM(); |
| 561 | |
| 562 | CheckSymbols(not_so_random_string_table); |
| 563 | CheckSymbols(not_so_random_string_table); |
| 564 | } |
| 565 | |
| 566 | |
| 567 | TEST(FunctionAllocation) { |
| 568 | InitializeVM(); |
| 569 | |
| 570 | v8::HandleScope sc; |
yangguo@chromium.org | a6bbcc8 | 2012-12-21 12:35:02 +0000 | [diff] [blame] | 571 | Handle<String> name = FACTORY->LookupUtf8Symbol("theFunction"); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 572 | Handle<JSFunction> function = |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 573 | FACTORY->NewFunction(name, FACTORY->undefined_value()); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 574 | Handle<Map> initial_map = |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 575 | FACTORY->NewMap(JS_OBJECT_TYPE, JSObject::kHeaderSize); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 576 | function->set_initial_map(*initial_map); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 577 | |
yangguo@chromium.org | a6bbcc8 | 2012-12-21 12:35:02 +0000 | [diff] [blame] | 578 | Handle<String> prop_name = FACTORY->LookupUtf8Symbol("theSlot"); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 579 | Handle<JSObject> obj = FACTORY->NewJSObject(function); |
ager@chromium.org | 9ee27ae | 2011-03-02 13:43:26 +0000 | [diff] [blame] | 580 | obj->SetProperty( |
| 581 | *prop_name, Smi::FromInt(23), NONE, kNonStrictMode)->ToObjectChecked(); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 582 | CHECK_EQ(Smi::FromInt(23), obj->GetProperty(*prop_name)); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 583 | // Check that we can add properties to function objects. |
ager@chromium.org | 9ee27ae | 2011-03-02 13:43:26 +0000 | [diff] [blame] | 584 | function->SetProperty( |
| 585 | *prop_name, Smi::FromInt(24), NONE, kNonStrictMode)->ToObjectChecked(); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 586 | CHECK_EQ(Smi::FromInt(24), function->GetProperty(*prop_name)); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 587 | } |
| 588 | |
| 589 | |
| 590 | TEST(ObjectProperties) { |
| 591 | InitializeVM(); |
| 592 | |
| 593 | v8::HandleScope sc; |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 594 | String* object_symbol = String::cast(HEAP->Object_symbol()); |
yangguo@chromium.org | 46839fb | 2012-08-28 09:06:19 +0000 | [diff] [blame] | 595 | Object* raw_object = Isolate::Current()->context()->global_object()-> |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 596 | GetProperty(object_symbol)->ToObjectChecked(); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 597 | JSFunction* object_function = JSFunction::cast(raw_object); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 598 | Handle<JSFunction> constructor(object_function); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 599 | Handle<JSObject> obj = FACTORY->NewJSObject(constructor); |
yangguo@chromium.org | a6bbcc8 | 2012-12-21 12:35:02 +0000 | [diff] [blame] | 600 | Handle<String> first = FACTORY->LookupUtf8Symbol("first"); |
| 601 | Handle<String> second = FACTORY->LookupUtf8Symbol("second"); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 602 | |
| 603 | // check for empty |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 604 | CHECK(!obj->HasLocalProperty(*first)); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 605 | |
| 606 | // add first |
ager@chromium.org | 9ee27ae | 2011-03-02 13:43:26 +0000 | [diff] [blame] | 607 | obj->SetProperty( |
| 608 | *first, Smi::FromInt(1), NONE, kNonStrictMode)->ToObjectChecked(); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 609 | CHECK(obj->HasLocalProperty(*first)); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 610 | |
| 611 | // delete first |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 612 | CHECK(obj->DeleteProperty(*first, JSObject::NORMAL_DELETION)); |
| 613 | CHECK(!obj->HasLocalProperty(*first)); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 614 | |
| 615 | // add first and then second |
ager@chromium.org | 9ee27ae | 2011-03-02 13:43:26 +0000 | [diff] [blame] | 616 | obj->SetProperty( |
| 617 | *first, Smi::FromInt(1), NONE, kNonStrictMode)->ToObjectChecked(); |
| 618 | obj->SetProperty( |
| 619 | *second, Smi::FromInt(2), NONE, kNonStrictMode)->ToObjectChecked(); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 620 | CHECK(obj->HasLocalProperty(*first)); |
| 621 | CHECK(obj->HasLocalProperty(*second)); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 622 | |
| 623 | // delete first and then second |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 624 | CHECK(obj->DeleteProperty(*first, JSObject::NORMAL_DELETION)); |
| 625 | CHECK(obj->HasLocalProperty(*second)); |
| 626 | CHECK(obj->DeleteProperty(*second, JSObject::NORMAL_DELETION)); |
| 627 | CHECK(!obj->HasLocalProperty(*first)); |
| 628 | CHECK(!obj->HasLocalProperty(*second)); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 629 | |
| 630 | // add first and then second |
ager@chromium.org | 9ee27ae | 2011-03-02 13:43:26 +0000 | [diff] [blame] | 631 | obj->SetProperty( |
| 632 | *first, Smi::FromInt(1), NONE, kNonStrictMode)->ToObjectChecked(); |
| 633 | obj->SetProperty( |
| 634 | *second, Smi::FromInt(2), NONE, kNonStrictMode)->ToObjectChecked(); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 635 | CHECK(obj->HasLocalProperty(*first)); |
| 636 | CHECK(obj->HasLocalProperty(*second)); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 637 | |
| 638 | // delete second and then first |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 639 | CHECK(obj->DeleteProperty(*second, JSObject::NORMAL_DELETION)); |
| 640 | CHECK(obj->HasLocalProperty(*first)); |
| 641 | CHECK(obj->DeleteProperty(*first, JSObject::NORMAL_DELETION)); |
| 642 | CHECK(!obj->HasLocalProperty(*first)); |
| 643 | CHECK(!obj->HasLocalProperty(*second)); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 644 | |
| 645 | // check string and symbol match |
danno@chromium.org | fa458e4 | 2012-02-01 10:48:36 +0000 | [diff] [blame] | 646 | const char* string1 = "fisk"; |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 647 | Handle<String> s1 = FACTORY->NewStringFromAscii(CStrVector(string1)); |
ager@chromium.org | 9ee27ae | 2011-03-02 13:43:26 +0000 | [diff] [blame] | 648 | obj->SetProperty( |
| 649 | *s1, Smi::FromInt(1), NONE, kNonStrictMode)->ToObjectChecked(); |
yangguo@chromium.org | a6bbcc8 | 2012-12-21 12:35:02 +0000 | [diff] [blame] | 650 | Handle<String> s1_symbol = FACTORY->LookupUtf8Symbol(string1); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 651 | CHECK(obj->HasLocalProperty(*s1_symbol)); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 652 | |
| 653 | // check symbol and string match |
danno@chromium.org | fa458e4 | 2012-02-01 10:48:36 +0000 | [diff] [blame] | 654 | const char* string2 = "fugl"; |
yangguo@chromium.org | a6bbcc8 | 2012-12-21 12:35:02 +0000 | [diff] [blame] | 655 | Handle<String> s2_symbol = FACTORY->LookupUtf8Symbol(string2); |
ager@chromium.org | 9ee27ae | 2011-03-02 13:43:26 +0000 | [diff] [blame] | 656 | obj->SetProperty( |
| 657 | *s2_symbol, Smi::FromInt(1), NONE, kNonStrictMode)->ToObjectChecked(); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 658 | Handle<String> s2 = FACTORY->NewStringFromAscii(CStrVector(string2)); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 659 | CHECK(obj->HasLocalProperty(*s2)); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 660 | } |
| 661 | |
| 662 | |
| 663 | TEST(JSObjectMaps) { |
| 664 | InitializeVM(); |
| 665 | |
| 666 | v8::HandleScope sc; |
yangguo@chromium.org | a6bbcc8 | 2012-12-21 12:35:02 +0000 | [diff] [blame] | 667 | Handle<String> name = FACTORY->LookupUtf8Symbol("theFunction"); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 668 | Handle<JSFunction> function = |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 669 | FACTORY->NewFunction(name, FACTORY->undefined_value()); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 670 | Handle<Map> initial_map = |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 671 | FACTORY->NewMap(JS_OBJECT_TYPE, JSObject::kHeaderSize); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 672 | function->set_initial_map(*initial_map); |
| 673 | |
yangguo@chromium.org | a6bbcc8 | 2012-12-21 12:35:02 +0000 | [diff] [blame] | 674 | Handle<String> prop_name = FACTORY->LookupUtf8Symbol("theSlot"); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 675 | Handle<JSObject> obj = FACTORY->NewJSObject(function); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 676 | |
| 677 | // Set a propery |
ager@chromium.org | 9ee27ae | 2011-03-02 13:43:26 +0000 | [diff] [blame] | 678 | obj->SetProperty( |
| 679 | *prop_name, Smi::FromInt(23), NONE, kNonStrictMode)->ToObjectChecked(); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 680 | CHECK_EQ(Smi::FromInt(23), obj->GetProperty(*prop_name)); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 681 | |
| 682 | // Check the map has changed |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 683 | CHECK(*initial_map != obj->map()); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 684 | } |
| 685 | |
| 686 | |
| 687 | TEST(JSArray) { |
| 688 | InitializeVM(); |
| 689 | |
| 690 | v8::HandleScope sc; |
yangguo@chromium.org | a6bbcc8 | 2012-12-21 12:35:02 +0000 | [diff] [blame] | 691 | Handle<String> name = FACTORY->LookupUtf8Symbol("Array"); |
yangguo@chromium.org | 46839fb | 2012-08-28 09:06:19 +0000 | [diff] [blame] | 692 | Object* raw_object = Isolate::Current()->context()->global_object()-> |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 693 | GetProperty(*name)->ToObjectChecked(); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 694 | Handle<JSFunction> function = Handle<JSFunction>( |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 695 | JSFunction::cast(raw_object)); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 696 | |
| 697 | // Allocate the object. |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 698 | Handle<JSObject> object = FACTORY->NewJSObject(function); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 699 | Handle<JSArray> array = Handle<JSArray>::cast(object); |
ricow@chromium.org | d236f4d | 2010-09-01 06:52:08 +0000 | [diff] [blame] | 700 | // We just initialized the VM, no heap allocation failure yet. |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 701 | array->Initialize(0)->ToObjectChecked(); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 702 | |
| 703 | // Set array length to 0. |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 704 | array->SetElementsLength(Smi::FromInt(0))->ToObjectChecked(); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 705 | CHECK_EQ(Smi::FromInt(0), array->length()); |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 706 | // Must be in fast mode. |
svenpanne@chromium.org | 830d30c | 2012-05-29 13:20:14 +0000 | [diff] [blame] | 707 | CHECK(array->HasFastSmiOrObjectElements()); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 708 | |
| 709 | // array[length] = name. |
yangguo@chromium.org | ab30bb8 | 2012-02-24 14:41:46 +0000 | [diff] [blame] | 710 | array->SetElement(0, *name, NONE, kNonStrictMode)->ToObjectChecked(); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 711 | CHECK_EQ(Smi::FromInt(1), array->length()); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 712 | CHECK_EQ(array->GetElement(0), *name); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 713 | |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 714 | // Set array length with larger than smi value. |
| 715 | Handle<Object> length = |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 716 | FACTORY->NewNumberFromUint(static_cast<uint32_t>(Smi::kMaxValue) + 1); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 717 | array->SetElementsLength(*length)->ToObjectChecked(); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 718 | |
| 719 | uint32_t int_length = 0; |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 720 | CHECK(length->ToArrayIndex(&int_length)); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 721 | CHECK_EQ(*length, array->length()); |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 722 | CHECK(array->HasDictionaryElements()); // Must be in slow mode. |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 723 | |
| 724 | // array[length] = name. |
yangguo@chromium.org | ab30bb8 | 2012-02-24 14:41:46 +0000 | [diff] [blame] | 725 | array->SetElement(int_length, *name, NONE, kNonStrictMode)->ToObjectChecked(); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 726 | uint32_t new_int_length = 0; |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 727 | CHECK(array->length()->ToArrayIndex(&new_int_length)); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 728 | CHECK_EQ(static_cast<double>(int_length), new_int_length - 1); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 729 | CHECK_EQ(array->GetElement(int_length), *name); |
| 730 | CHECK_EQ(array->GetElement(0), *name); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 731 | } |
| 732 | |
| 733 | |
| 734 | TEST(JSObjectCopy) { |
| 735 | InitializeVM(); |
| 736 | |
| 737 | v8::HandleScope sc; |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 738 | String* object_symbol = String::cast(HEAP->Object_symbol()); |
yangguo@chromium.org | 46839fb | 2012-08-28 09:06:19 +0000 | [diff] [blame] | 739 | Object* raw_object = Isolate::Current()->context()->global_object()-> |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 740 | GetProperty(object_symbol)->ToObjectChecked(); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 741 | JSFunction* object_function = JSFunction::cast(raw_object); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 742 | Handle<JSFunction> constructor(object_function); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 743 | Handle<JSObject> obj = FACTORY->NewJSObject(constructor); |
yangguo@chromium.org | a6bbcc8 | 2012-12-21 12:35:02 +0000 | [diff] [blame] | 744 | Handle<String> first = FACTORY->LookupUtf8Symbol("first"); |
| 745 | Handle<String> second = FACTORY->LookupUtf8Symbol("second"); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 746 | |
ager@chromium.org | 9ee27ae | 2011-03-02 13:43:26 +0000 | [diff] [blame] | 747 | obj->SetProperty( |
| 748 | *first, Smi::FromInt(1), NONE, kNonStrictMode)->ToObjectChecked(); |
| 749 | obj->SetProperty( |
| 750 | *second, Smi::FromInt(2), NONE, kNonStrictMode)->ToObjectChecked(); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 751 | |
yangguo@chromium.org | ab30bb8 | 2012-02-24 14:41:46 +0000 | [diff] [blame] | 752 | obj->SetElement(0, *first, NONE, kNonStrictMode)->ToObjectChecked(); |
| 753 | obj->SetElement(1, *second, NONE, kNonStrictMode)->ToObjectChecked(); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 754 | |
| 755 | // Make the clone. |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 756 | Handle<JSObject> clone = Copy(obj); |
| 757 | CHECK(!clone.is_identical_to(obj)); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 758 | |
| 759 | CHECK_EQ(obj->GetElement(0), clone->GetElement(0)); |
| 760 | CHECK_EQ(obj->GetElement(1), clone->GetElement(1)); |
| 761 | |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 762 | CHECK_EQ(obj->GetProperty(*first), clone->GetProperty(*first)); |
| 763 | CHECK_EQ(obj->GetProperty(*second), clone->GetProperty(*second)); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 764 | |
| 765 | // Flip the values. |
ager@chromium.org | 9ee27ae | 2011-03-02 13:43:26 +0000 | [diff] [blame] | 766 | clone->SetProperty( |
| 767 | *first, Smi::FromInt(2), NONE, kNonStrictMode)->ToObjectChecked(); |
| 768 | clone->SetProperty( |
| 769 | *second, Smi::FromInt(1), NONE, kNonStrictMode)->ToObjectChecked(); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 770 | |
yangguo@chromium.org | ab30bb8 | 2012-02-24 14:41:46 +0000 | [diff] [blame] | 771 | clone->SetElement(0, *second, NONE, kNonStrictMode)->ToObjectChecked(); |
| 772 | clone->SetElement(1, *first, NONE, kNonStrictMode)->ToObjectChecked(); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 773 | |
| 774 | CHECK_EQ(obj->GetElement(1), clone->GetElement(0)); |
| 775 | CHECK_EQ(obj->GetElement(0), clone->GetElement(1)); |
| 776 | |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 777 | CHECK_EQ(obj->GetProperty(*second), clone->GetProperty(*first)); |
| 778 | CHECK_EQ(obj->GetProperty(*first), clone->GetProperty(*second)); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 779 | } |
| 780 | |
| 781 | |
| 782 | TEST(StringAllocation) { |
| 783 | InitializeVM(); |
| 784 | |
| 785 | |
| 786 | const unsigned char chars[] = { 0xe5, 0xa4, 0xa7 }; |
| 787 | for (int length = 0; length < 100; length++) { |
| 788 | v8::HandleScope scope; |
| 789 | char* non_ascii = NewArray<char>(3 * length + 1); |
| 790 | char* ascii = NewArray<char>(length + 1); |
| 791 | non_ascii[3 * length] = 0; |
| 792 | ascii[length] = 0; |
| 793 | for (int i = 0; i < length; i++) { |
| 794 | ascii[i] = 'a'; |
| 795 | non_ascii[3 * i] = chars[0]; |
| 796 | non_ascii[3 * i + 1] = chars[1]; |
| 797 | non_ascii[3 * i + 2] = chars[2]; |
| 798 | } |
| 799 | Handle<String> non_ascii_sym = |
yangguo@chromium.org | a6bbcc8 | 2012-12-21 12:35:02 +0000 | [diff] [blame] | 800 | FACTORY->LookupUtf8Symbol(Vector<const char>(non_ascii, 3 * length)); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 801 | CHECK_EQ(length, non_ascii_sym->length()); |
| 802 | Handle<String> ascii_sym = |
jkummerow@chromium.org | 59297c7 | 2013-01-09 16:32:23 +0000 | [diff] [blame^] | 803 | FACTORY->LookupOneByteSymbol(OneByteVector(ascii, length)); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 804 | CHECK_EQ(length, ascii_sym->length()); |
| 805 | Handle<String> non_ascii_str = |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 806 | FACTORY->NewStringFromUtf8(Vector<const char>(non_ascii, 3 * length)); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 807 | non_ascii_str->Hash(); |
| 808 | CHECK_EQ(length, non_ascii_str->length()); |
| 809 | Handle<String> ascii_str = |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 810 | FACTORY->NewStringFromUtf8(Vector<const char>(ascii, length)); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 811 | ascii_str->Hash(); |
| 812 | CHECK_EQ(length, ascii_str->length()); |
| 813 | DeleteArray(non_ascii); |
| 814 | DeleteArray(ascii); |
| 815 | } |
| 816 | } |
| 817 | |
| 818 | |
| 819 | static int ObjectsFoundInHeap(Handle<Object> objs[], int size) { |
| 820 | // Count the number of objects found in the heap. |
| 821 | int found_count = 0; |
| 822 | HeapIterator iterator; |
sgjesse@chromium.org | b302e56 | 2010-02-03 11:26:59 +0000 | [diff] [blame] | 823 | for (HeapObject* obj = iterator.next(); obj != NULL; obj = iterator.next()) { |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 824 | for (int i = 0; i < size; i++) { |
| 825 | if (*objs[i] == obj) { |
| 826 | found_count++; |
| 827 | } |
| 828 | } |
| 829 | } |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 830 | return found_count; |
| 831 | } |
| 832 | |
| 833 | |
| 834 | TEST(Iteration) { |
| 835 | InitializeVM(); |
| 836 | v8::HandleScope scope; |
| 837 | |
| 838 | // Array of objects to scan haep for. |
| 839 | const int objs_count = 6; |
| 840 | Handle<Object> objs[objs_count]; |
| 841 | int next_objs_index = 0; |
| 842 | |
ager@chromium.org | 9258b6b | 2008-09-11 09:11:10 +0000 | [diff] [blame] | 843 | // Allocate a JS array to OLD_POINTER_SPACE and NEW_SPACE |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 844 | objs[next_objs_index++] = FACTORY->NewJSArray(10); |
svenpanne@chromium.org | 830d30c | 2012-05-29 13:20:14 +0000 | [diff] [blame] | 845 | objs[next_objs_index++] = FACTORY->NewJSArray(10, |
| 846 | FAST_HOLEY_ELEMENTS, |
| 847 | TENURED); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 848 | |
ager@chromium.org | 9258b6b | 2008-09-11 09:11:10 +0000 | [diff] [blame] | 849 | // Allocate a small string to OLD_DATA_SPACE and NEW_SPACE |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 850 | objs[next_objs_index++] = |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 851 | FACTORY->NewStringFromAscii(CStrVector("abcdefghij")); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 852 | objs[next_objs_index++] = |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 853 | FACTORY->NewStringFromAscii(CStrVector("abcdefghij"), TENURED); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 854 | |
| 855 | // Allocate a large string (for large object space). |
yangguo@chromium.org | ab30bb8 | 2012-02-24 14:41:46 +0000 | [diff] [blame] | 856 | int large_size = Page::kMaxNonCodeHeapObjectSize + 1; |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 857 | char* str = new char[large_size]; |
| 858 | for (int i = 0; i < large_size - 1; ++i) str[i] = 'a'; |
| 859 | str[large_size - 1] = '\0'; |
| 860 | objs[next_objs_index++] = |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 861 | FACTORY->NewStringFromAscii(CStrVector(str), TENURED); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 862 | delete[] str; |
| 863 | |
| 864 | // Add a Map object to look for. |
| 865 | objs[next_objs_index++] = Handle<Map>(HeapObject::cast(*objs[0])->map()); |
| 866 | |
| 867 | CHECK_EQ(objs_count, next_objs_index); |
| 868 | CHECK_EQ(objs_count, ObjectsFoundInHeap(objs, objs_count)); |
| 869 | } |
sgjesse@chromium.org | df7a284 | 2010-03-25 14:34:15 +0000 | [diff] [blame] | 870 | |
| 871 | |
ager@chromium.org | b26c50a | 2010-03-26 09:27:16 +0000 | [diff] [blame] | 872 | TEST(EmptyHandleEscapeFrom) { |
| 873 | InitializeVM(); |
| 874 | |
| 875 | v8::HandleScope scope; |
| 876 | Handle<JSObject> runaway; |
| 877 | |
| 878 | { |
| 879 | v8::HandleScope nested; |
| 880 | Handle<JSObject> empty; |
| 881 | runaway = empty.EscapeFrom(&nested); |
| 882 | } |
| 883 | |
| 884 | CHECK(runaway.is_null()); |
| 885 | } |
| 886 | |
| 887 | |
| 888 | static int LenFromSize(int size) { |
| 889 | return (size - FixedArray::kHeaderSize) / kPointerSize; |
| 890 | } |
| 891 | |
| 892 | |
| 893 | TEST(Regression39128) { |
| 894 | // Test case for crbug.com/39128. |
| 895 | InitializeVM(); |
| 896 | |
| 897 | // Increase the chance of 'bump-the-pointer' allocation in old space. |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 898 | HEAP->CollectAllGarbage(Heap::kNoGCFlags); |
ager@chromium.org | b26c50a | 2010-03-26 09:27:16 +0000 | [diff] [blame] | 899 | |
| 900 | v8::HandleScope scope; |
| 901 | |
| 902 | // The plan: create JSObject which references objects in new space. |
| 903 | // Then clone this object (forcing it to go into old space) and check |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 904 | // that region dirty marks are updated correctly. |
ager@chromium.org | b26c50a | 2010-03-26 09:27:16 +0000 | [diff] [blame] | 905 | |
| 906 | // Step 1: prepare a map for the object. We add 1 inobject property to it. |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 907 | Handle<JSFunction> object_ctor( |
yangguo@chromium.org | 46839fb | 2012-08-28 09:06:19 +0000 | [diff] [blame] | 908 | Isolate::Current()->native_context()->object_function()); |
ager@chromium.org | b26c50a | 2010-03-26 09:27:16 +0000 | [diff] [blame] | 909 | CHECK(object_ctor->has_initial_map()); |
| 910 | Handle<Map> object_map(object_ctor->initial_map()); |
| 911 | // Create a map with single inobject property. |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 912 | Handle<Map> my_map = FACTORY->CopyMap(object_map, 1); |
ager@chromium.org | b26c50a | 2010-03-26 09:27:16 +0000 | [diff] [blame] | 913 | int n_properties = my_map->inobject_properties(); |
| 914 | CHECK_GT(n_properties, 0); |
| 915 | |
| 916 | int object_size = my_map->instance_size(); |
| 917 | |
| 918 | // Step 2: allocate a lot of objects so to almost fill new space: we need |
| 919 | // just enough room to allocate JSObject and thus fill the newspace. |
| 920 | |
| 921 | int allocation_amount = Min(FixedArray::kMaxSize, |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 922 | HEAP->MaxObjectSizeInNewSpace()); |
ager@chromium.org | b26c50a | 2010-03-26 09:27:16 +0000 | [diff] [blame] | 923 | int allocation_len = LenFromSize(allocation_amount); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 924 | NewSpace* new_space = HEAP->new_space(); |
ager@chromium.org | b26c50a | 2010-03-26 09:27:16 +0000 | [diff] [blame] | 925 | Address* top_addr = new_space->allocation_top_address(); |
| 926 | Address* limit_addr = new_space->allocation_limit_address(); |
| 927 | while ((*limit_addr - *top_addr) > allocation_amount) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 928 | CHECK(!HEAP->always_allocate()); |
| 929 | Object* array = HEAP->AllocateFixedArray(allocation_len)->ToObjectChecked(); |
| 930 | CHECK(!array->IsFailure()); |
ager@chromium.org | b26c50a | 2010-03-26 09:27:16 +0000 | [diff] [blame] | 931 | CHECK(new_space->Contains(array)); |
| 932 | } |
| 933 | |
| 934 | // Step 3: now allocate fixed array and JSObject to fill the whole new space. |
whesse@chromium.org | b6e43bb | 2010-04-14 09:36:28 +0000 | [diff] [blame] | 935 | int to_fill = static_cast<int>(*limit_addr - *top_addr - object_size); |
ager@chromium.org | b26c50a | 2010-03-26 09:27:16 +0000 | [diff] [blame] | 936 | int fixed_array_len = LenFromSize(to_fill); |
| 937 | CHECK(fixed_array_len < FixedArray::kMaxLength); |
| 938 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 939 | CHECK(!HEAP->always_allocate()); |
| 940 | Object* array = HEAP->AllocateFixedArray(fixed_array_len)->ToObjectChecked(); |
| 941 | CHECK(!array->IsFailure()); |
ager@chromium.org | b26c50a | 2010-03-26 09:27:16 +0000 | [diff] [blame] | 942 | CHECK(new_space->Contains(array)); |
| 943 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 944 | Object* object = HEAP->AllocateJSObjectFromMap(*my_map)->ToObjectChecked(); |
ager@chromium.org | b26c50a | 2010-03-26 09:27:16 +0000 | [diff] [blame] | 945 | CHECK(new_space->Contains(object)); |
| 946 | JSObject* jsobject = JSObject::cast(object); |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 947 | CHECK_EQ(0, FixedArray::cast(jsobject->elements())->length()); |
ager@chromium.org | b26c50a | 2010-03-26 09:27:16 +0000 | [diff] [blame] | 948 | CHECK_EQ(0, jsobject->properties()->length()); |
| 949 | // Create a reference to object in new space in jsobject. |
| 950 | jsobject->FastPropertyAtPut(-1, array); |
| 951 | |
whesse@chromium.org | b6e43bb | 2010-04-14 09:36:28 +0000 | [diff] [blame] | 952 | CHECK_EQ(0, static_cast<int>(*limit_addr - *top_addr)); |
ager@chromium.org | b26c50a | 2010-03-26 09:27:16 +0000 | [diff] [blame] | 953 | |
| 954 | // Step 4: clone jsobject, but force always allocate first to create a clone |
| 955 | // in old pointer space. |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 956 | Address old_pointer_space_top = HEAP->old_pointer_space()->top(); |
ager@chromium.org | b26c50a | 2010-03-26 09:27:16 +0000 | [diff] [blame] | 957 | AlwaysAllocateScope aa_scope; |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 958 | Object* clone_obj = HEAP->CopyJSObject(jsobject)->ToObjectChecked(); |
ager@chromium.org | b26c50a | 2010-03-26 09:27:16 +0000 | [diff] [blame] | 959 | JSObject* clone = JSObject::cast(clone_obj); |
| 960 | if (clone->address() != old_pointer_space_top) { |
| 961 | // Alas, got allocated from free list, we cannot do checks. |
| 962 | return; |
| 963 | } |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 964 | CHECK(HEAP->old_pointer_space()->Contains(clone->address())); |
ager@chromium.org | b26c50a | 2010-03-26 09:27:16 +0000 | [diff] [blame] | 965 | } |
vegorov@chromium.org | 2356e6f | 2010-06-09 09:38:56 +0000 | [diff] [blame] | 966 | |
whesse@chromium.org | 4a5224e | 2010-10-20 12:37:07 +0000 | [diff] [blame] | 967 | |
vegorov@chromium.org | 2356e6f | 2010-06-09 09:38:56 +0000 | [diff] [blame] | 968 | TEST(TestCodeFlushing) { |
ricow@chromium.org | fd0930e | 2010-06-11 10:37:34 +0000 | [diff] [blame] | 969 | // If we do not flush code this test is invalid. |
| 970 | if (!FLAG_flush_code) return; |
verwaest@chromium.org | e4ee6de | 2012-11-06 12:13:00 +0000 | [diff] [blame] | 971 | i::FLAG_allow_natives_syntax = true; |
vegorov@chromium.org | 2356e6f | 2010-06-09 09:38:56 +0000 | [diff] [blame] | 972 | InitializeVM(); |
| 973 | v8::HandleScope scope; |
| 974 | const char* source = "function foo() {" |
| 975 | " var x = 42;" |
| 976 | " var y = 42;" |
| 977 | " var z = x + y;" |
| 978 | "};" |
| 979 | "foo()"; |
yangguo@chromium.org | a6bbcc8 | 2012-12-21 12:35:02 +0000 | [diff] [blame] | 980 | Handle<String> foo_name = FACTORY->LookupUtf8Symbol("foo"); |
vegorov@chromium.org | 2356e6f | 2010-06-09 09:38:56 +0000 | [diff] [blame] | 981 | |
| 982 | // This compile will add the code to the compilation cache. |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 983 | { v8::HandleScope scope; |
| 984 | CompileRun(source); |
| 985 | } |
vegorov@chromium.org | 2356e6f | 2010-06-09 09:38:56 +0000 | [diff] [blame] | 986 | |
| 987 | // Check function is compiled. |
yangguo@chromium.org | 46839fb | 2012-08-28 09:06:19 +0000 | [diff] [blame] | 988 | Object* func_value = Isolate::Current()->context()->global_object()-> |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 989 | GetProperty(*foo_name)->ToObjectChecked(); |
vegorov@chromium.org | 2356e6f | 2010-06-09 09:38:56 +0000 | [diff] [blame] | 990 | CHECK(func_value->IsJSFunction()); |
| 991 | Handle<JSFunction> function(JSFunction::cast(func_value)); |
| 992 | CHECK(function->shared()->is_compiled()); |
| 993 | |
verwaest@chromium.org | e4ee6de | 2012-11-06 12:13:00 +0000 | [diff] [blame] | 994 | // The code will survive at least two GCs. |
jkummerow@chromium.org | 5323a9c | 2012-12-10 19:00:50 +0000 | [diff] [blame] | 995 | HEAP->CollectAllGarbage(Heap::kAbortIncrementalMarkingMask); |
| 996 | HEAP->CollectAllGarbage(Heap::kAbortIncrementalMarkingMask); |
vegorov@chromium.org | 2356e6f | 2010-06-09 09:38:56 +0000 | [diff] [blame] | 997 | CHECK(function->shared()->is_compiled()); |
ricow@chromium.org | 0b9f850 | 2010-08-18 07:45:01 +0000 | [diff] [blame] | 998 | |
verwaest@chromium.org | e4ee6de | 2012-11-06 12:13:00 +0000 | [diff] [blame] | 999 | // Simulate several GCs that use full marking. |
| 1000 | const int kAgingThreshold = 6; |
| 1001 | for (int i = 0; i < kAgingThreshold; i++) { |
| 1002 | HEAP->CollectAllGarbage(Heap::kAbortIncrementalMarkingMask); |
| 1003 | } |
vegorov@chromium.org | 2356e6f | 2010-06-09 09:38:56 +0000 | [diff] [blame] | 1004 | |
| 1005 | // foo should no longer be in the compilation cache |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1006 | CHECK(!function->shared()->is_compiled() || function->IsOptimized()); |
| 1007 | CHECK(!function->is_compiled() || function->IsOptimized()); |
vegorov@chromium.org | 2356e6f | 2010-06-09 09:38:56 +0000 | [diff] [blame] | 1008 | // Call foo to get it recompiled. |
| 1009 | CompileRun("foo()"); |
| 1010 | CHECK(function->shared()->is_compiled()); |
ricow@chromium.org | 0b9f850 | 2010-08-18 07:45:01 +0000 | [diff] [blame] | 1011 | CHECK(function->is_compiled()); |
vegorov@chromium.org | 2356e6f | 2010-06-09 09:38:56 +0000 | [diff] [blame] | 1012 | } |
whesse@chromium.org | 4a5224e | 2010-10-20 12:37:07 +0000 | [diff] [blame] | 1013 | |
| 1014 | |
verwaest@chromium.org | e4ee6de | 2012-11-06 12:13:00 +0000 | [diff] [blame] | 1015 | TEST(TestCodeFlushingIncremental) { |
| 1016 | // If we do not flush code this test is invalid. |
| 1017 | if (!FLAG_flush_code || !FLAG_flush_code_incrementally) return; |
| 1018 | i::FLAG_allow_natives_syntax = true; |
| 1019 | InitializeVM(); |
| 1020 | v8::HandleScope scope; |
| 1021 | const char* source = "function foo() {" |
| 1022 | " var x = 42;" |
| 1023 | " var y = 42;" |
| 1024 | " var z = x + y;" |
| 1025 | "};" |
| 1026 | "foo()"; |
yangguo@chromium.org | a6bbcc8 | 2012-12-21 12:35:02 +0000 | [diff] [blame] | 1027 | Handle<String> foo_name = FACTORY->LookupUtf8Symbol("foo"); |
verwaest@chromium.org | e4ee6de | 2012-11-06 12:13:00 +0000 | [diff] [blame] | 1028 | |
| 1029 | // This compile will add the code to the compilation cache. |
| 1030 | { v8::HandleScope scope; |
| 1031 | CompileRun(source); |
| 1032 | } |
| 1033 | |
| 1034 | // Check function is compiled. |
| 1035 | Object* func_value = Isolate::Current()->context()->global_object()-> |
| 1036 | GetProperty(*foo_name)->ToObjectChecked(); |
| 1037 | CHECK(func_value->IsJSFunction()); |
| 1038 | Handle<JSFunction> function(JSFunction::cast(func_value)); |
| 1039 | CHECK(function->shared()->is_compiled()); |
| 1040 | |
| 1041 | // The code will survive at least two GCs. |
jkummerow@chromium.org | 5323a9c | 2012-12-10 19:00:50 +0000 | [diff] [blame] | 1042 | HEAP->CollectAllGarbage(Heap::kAbortIncrementalMarkingMask); |
| 1043 | HEAP->CollectAllGarbage(Heap::kAbortIncrementalMarkingMask); |
verwaest@chromium.org | e4ee6de | 2012-11-06 12:13:00 +0000 | [diff] [blame] | 1044 | CHECK(function->shared()->is_compiled()); |
| 1045 | |
| 1046 | // Simulate several GCs that use incremental marking. |
| 1047 | const int kAgingThreshold = 6; |
| 1048 | for (int i = 0; i < kAgingThreshold; i++) { |
verwaest@chromium.org | e4ee6de | 2012-11-06 12:13:00 +0000 | [diff] [blame] | 1049 | SimulateIncrementalMarking(); |
| 1050 | HEAP->CollectAllGarbage(Heap::kNoGCFlags); |
| 1051 | } |
| 1052 | CHECK(!function->shared()->is_compiled() || function->IsOptimized()); |
| 1053 | CHECK(!function->is_compiled() || function->IsOptimized()); |
| 1054 | |
| 1055 | // This compile will compile the function again. |
| 1056 | { v8::HandleScope scope; |
| 1057 | CompileRun("foo();"); |
| 1058 | } |
| 1059 | |
| 1060 | // Simulate several GCs that use incremental marking but make sure |
| 1061 | // the loop breaks once the function is enqueued as a candidate. |
| 1062 | for (int i = 0; i < kAgingThreshold; i++) { |
verwaest@chromium.org | e4ee6de | 2012-11-06 12:13:00 +0000 | [diff] [blame] | 1063 | SimulateIncrementalMarking(); |
| 1064 | if (!function->next_function_link()->IsUndefined()) break; |
| 1065 | HEAP->CollectAllGarbage(Heap::kNoGCFlags); |
| 1066 | } |
| 1067 | |
| 1068 | // Force optimization while incremental marking is active and while |
| 1069 | // the function is enqueued as a candidate. |
| 1070 | { v8::HandleScope scope; |
| 1071 | CompileRun("%OptimizeFunctionOnNextCall(foo); foo();"); |
| 1072 | } |
| 1073 | |
| 1074 | // Simulate one final GC to make sure the candidate queue is sane. |
| 1075 | HEAP->CollectAllGarbage(Heap::kNoGCFlags); |
| 1076 | CHECK(function->shared()->is_compiled() || !function->IsOptimized()); |
| 1077 | CHECK(function->is_compiled() || !function->IsOptimized()); |
| 1078 | } |
| 1079 | |
| 1080 | |
| 1081 | TEST(TestCodeFlushingIncrementalScavenge) { |
| 1082 | // If we do not flush code this test is invalid. |
| 1083 | if (!FLAG_flush_code || !FLAG_flush_code_incrementally) return; |
| 1084 | i::FLAG_allow_natives_syntax = true; |
| 1085 | InitializeVM(); |
| 1086 | v8::HandleScope scope; |
| 1087 | const char* source = "var foo = function() {" |
| 1088 | " var x = 42;" |
| 1089 | " var y = 42;" |
| 1090 | " var z = x + y;" |
| 1091 | "};" |
| 1092 | "foo();" |
| 1093 | "var bar = function() {" |
| 1094 | " var x = 23;" |
| 1095 | "};" |
| 1096 | "bar();"; |
yangguo@chromium.org | a6bbcc8 | 2012-12-21 12:35:02 +0000 | [diff] [blame] | 1097 | Handle<String> foo_name = FACTORY->LookupUtf8Symbol("foo"); |
| 1098 | Handle<String> bar_name = FACTORY->LookupUtf8Symbol("bar"); |
verwaest@chromium.org | e4ee6de | 2012-11-06 12:13:00 +0000 | [diff] [blame] | 1099 | |
| 1100 | // Perfrom one initial GC to enable code flushing. |
jkummerow@chromium.org | 5323a9c | 2012-12-10 19:00:50 +0000 | [diff] [blame] | 1101 | HEAP->CollectAllGarbage(Heap::kAbortIncrementalMarkingMask); |
verwaest@chromium.org | e4ee6de | 2012-11-06 12:13:00 +0000 | [diff] [blame] | 1102 | |
| 1103 | // This compile will add the code to the compilation cache. |
| 1104 | { v8::HandleScope scope; |
| 1105 | CompileRun(source); |
| 1106 | } |
| 1107 | |
| 1108 | // Check functions are compiled. |
| 1109 | Object* func_value = Isolate::Current()->context()->global_object()-> |
| 1110 | GetProperty(*foo_name)->ToObjectChecked(); |
| 1111 | CHECK(func_value->IsJSFunction()); |
| 1112 | Handle<JSFunction> function(JSFunction::cast(func_value)); |
| 1113 | CHECK(function->shared()->is_compiled()); |
| 1114 | Object* func_value2 = Isolate::Current()->context()->global_object()-> |
| 1115 | GetProperty(*bar_name)->ToObjectChecked(); |
| 1116 | CHECK(func_value2->IsJSFunction()); |
| 1117 | Handle<JSFunction> function2(JSFunction::cast(func_value2)); |
| 1118 | CHECK(function2->shared()->is_compiled()); |
| 1119 | |
| 1120 | // Clear references to functions so that one of them can die. |
| 1121 | { v8::HandleScope scope; |
| 1122 | CompileRun("foo = 0; bar = 0;"); |
| 1123 | } |
| 1124 | |
| 1125 | // Bump the code age so that flushing is triggered while the function |
| 1126 | // object is still located in new-space. |
| 1127 | const int kAgingThreshold = 6; |
mmassi@chromium.org | 49a4467 | 2012-12-04 13:52:03 +0000 | [diff] [blame] | 1128 | for (int i = 0; i < kAgingThreshold; i++) { |
| 1129 | function->shared()->code()->MakeOlder(static_cast<MarkingParity>(i % 2)); |
| 1130 | function2->shared()->code()->MakeOlder(static_cast<MarkingParity>(i % 2)); |
| 1131 | } |
verwaest@chromium.org | e4ee6de | 2012-11-06 12:13:00 +0000 | [diff] [blame] | 1132 | |
| 1133 | // Simulate incremental marking so that the functions are enqueued as |
| 1134 | // code flushing candidates. Then kill one of the functions. Finally |
| 1135 | // perform a scavenge while incremental marking is still running. |
| 1136 | SimulateIncrementalMarking(); |
| 1137 | *function2.location() = NULL; |
| 1138 | HEAP->CollectGarbage(NEW_SPACE, "test scavenge while marking"); |
| 1139 | |
| 1140 | // Simulate one final GC to make sure the candidate queue is sane. |
| 1141 | HEAP->CollectAllGarbage(Heap::kNoGCFlags); |
| 1142 | CHECK(!function->shared()->is_compiled() || function->IsOptimized()); |
| 1143 | CHECK(!function->is_compiled() || function->IsOptimized()); |
| 1144 | } |
| 1145 | |
| 1146 | |
mvstanton@chromium.org | e4ac3ef | 2012-11-12 14:53:34 +0000 | [diff] [blame] | 1147 | TEST(TestCodeFlushingIncrementalAbort) { |
| 1148 | // If we do not flush code this test is invalid. |
| 1149 | if (!FLAG_flush_code || !FLAG_flush_code_incrementally) return; |
| 1150 | i::FLAG_allow_natives_syntax = true; |
| 1151 | InitializeVM(); |
| 1152 | v8::HandleScope scope; |
| 1153 | const char* source = "function foo() {" |
| 1154 | " var x = 42;" |
| 1155 | " var y = 42;" |
| 1156 | " var z = x + y;" |
| 1157 | "};" |
| 1158 | "foo()"; |
yangguo@chromium.org | a6bbcc8 | 2012-12-21 12:35:02 +0000 | [diff] [blame] | 1159 | Handle<String> foo_name = FACTORY->LookupUtf8Symbol("foo"); |
mvstanton@chromium.org | e4ac3ef | 2012-11-12 14:53:34 +0000 | [diff] [blame] | 1160 | |
| 1161 | // This compile will add the code to the compilation cache. |
| 1162 | { v8::HandleScope scope; |
| 1163 | CompileRun(source); |
| 1164 | } |
| 1165 | |
| 1166 | // Check function is compiled. |
| 1167 | Object* func_value = Isolate::Current()->context()->global_object()-> |
| 1168 | GetProperty(*foo_name)->ToObjectChecked(); |
| 1169 | CHECK(func_value->IsJSFunction()); |
| 1170 | Handle<JSFunction> function(JSFunction::cast(func_value)); |
| 1171 | CHECK(function->shared()->is_compiled()); |
| 1172 | |
| 1173 | // The code will survive at least two GCs. |
jkummerow@chromium.org | 5323a9c | 2012-12-10 19:00:50 +0000 | [diff] [blame] | 1174 | HEAP->CollectAllGarbage(Heap::kAbortIncrementalMarkingMask); |
| 1175 | HEAP->CollectAllGarbage(Heap::kAbortIncrementalMarkingMask); |
mvstanton@chromium.org | e4ac3ef | 2012-11-12 14:53:34 +0000 | [diff] [blame] | 1176 | CHECK(function->shared()->is_compiled()); |
| 1177 | |
| 1178 | // Bump the code age so that flushing is triggered. |
| 1179 | const int kAgingThreshold = 6; |
mmassi@chromium.org | 49a4467 | 2012-12-04 13:52:03 +0000 | [diff] [blame] | 1180 | for (int i = 0; i < kAgingThreshold; i++) { |
| 1181 | function->shared()->code()->MakeOlder(static_cast<MarkingParity>(i % 2)); |
| 1182 | } |
mvstanton@chromium.org | e4ac3ef | 2012-11-12 14:53:34 +0000 | [diff] [blame] | 1183 | |
| 1184 | // Simulate incremental marking so that the function is enqueued as |
| 1185 | // code flushing candidate. |
| 1186 | SimulateIncrementalMarking(); |
| 1187 | |
| 1188 | // Enable the debugger and add a breakpoint while incremental marking |
| 1189 | // is running so that incremental marking aborts and code flushing is |
| 1190 | // disabled. |
| 1191 | int position = 0; |
| 1192 | Handle<Object> breakpoint_object(Smi::FromInt(0)); |
| 1193 | ISOLATE->debug()->SetBreakPoint(function, breakpoint_object, &position); |
| 1194 | ISOLATE->debug()->ClearAllBreakPoints(); |
| 1195 | |
| 1196 | // Force optimization now that code flushing is disabled. |
| 1197 | { v8::HandleScope scope; |
| 1198 | CompileRun("%OptimizeFunctionOnNextCall(foo); foo();"); |
| 1199 | } |
| 1200 | |
| 1201 | // Simulate one final GC to make sure the candidate queue is sane. |
| 1202 | HEAP->CollectAllGarbage(Heap::kNoGCFlags); |
| 1203 | CHECK(function->shared()->is_compiled() || !function->IsOptimized()); |
| 1204 | CHECK(function->is_compiled() || !function->IsOptimized()); |
| 1205 | } |
| 1206 | |
| 1207 | |
yangguo@chromium.org | 46839fb | 2012-08-28 09:06:19 +0000 | [diff] [blame] | 1208 | // Count the number of native contexts in the weak list of native contexts. |
| 1209 | int CountNativeContexts() { |
whesse@chromium.org | 4a5224e | 2010-10-20 12:37:07 +0000 | [diff] [blame] | 1210 | int count = 0; |
yangguo@chromium.org | 46839fb | 2012-08-28 09:06:19 +0000 | [diff] [blame] | 1211 | Object* object = HEAP->native_contexts_list(); |
whesse@chromium.org | 4a5224e | 2010-10-20 12:37:07 +0000 | [diff] [blame] | 1212 | while (!object->IsUndefined()) { |
| 1213 | count++; |
| 1214 | object = Context::cast(object)->get(Context::NEXT_CONTEXT_LINK); |
| 1215 | } |
| 1216 | return count; |
| 1217 | } |
| 1218 | |
| 1219 | |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1220 | // Count the number of user functions in the weak list of optimized |
yangguo@chromium.org | 46839fb | 2012-08-28 09:06:19 +0000 | [diff] [blame] | 1221 | // functions attached to a native context. |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1222 | static int CountOptimizedUserFunctions(v8::Handle<v8::Context> context) { |
| 1223 | int count = 0; |
| 1224 | Handle<Context> icontext = v8::Utils::OpenHandle(*context); |
| 1225 | Object* object = icontext->get(Context::OPTIMIZED_FUNCTIONS_LIST); |
| 1226 | while (object->IsJSFunction() && !JSFunction::cast(object)->IsBuiltin()) { |
| 1227 | count++; |
| 1228 | object = JSFunction::cast(object)->next_function_link(); |
| 1229 | } |
| 1230 | return count; |
| 1231 | } |
| 1232 | |
| 1233 | |
whesse@chromium.org | 4a5224e | 2010-10-20 12:37:07 +0000 | [diff] [blame] | 1234 | TEST(TestInternalWeakLists) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1235 | v8::V8::Initialize(); |
| 1236 | |
jkummerow@chromium.org | 5323a9c | 2012-12-10 19:00:50 +0000 | [diff] [blame] | 1237 | // Some flags turn Scavenge collections into Mark-sweep collections |
| 1238 | // and hence are incompatible with this test case. |
| 1239 | if (FLAG_gc_global || FLAG_stress_compaction) return; |
| 1240 | |
whesse@chromium.org | 4a5224e | 2010-10-20 12:37:07 +0000 | [diff] [blame] | 1241 | static const int kNumTestContexts = 10; |
| 1242 | |
| 1243 | v8::HandleScope scope; |
| 1244 | v8::Persistent<v8::Context> ctx[kNumTestContexts]; |
| 1245 | |
yangguo@chromium.org | 46839fb | 2012-08-28 09:06:19 +0000 | [diff] [blame] | 1246 | CHECK_EQ(0, CountNativeContexts()); |
whesse@chromium.org | 4a5224e | 2010-10-20 12:37:07 +0000 | [diff] [blame] | 1247 | |
| 1248 | // Create a number of global contests which gets linked together. |
| 1249 | for (int i = 0; i < kNumTestContexts; i++) { |
| 1250 | ctx[i] = v8::Context::New(); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1251 | |
| 1252 | bool opt = (FLAG_always_opt && i::V8::UseCrankshaft()); |
| 1253 | |
yangguo@chromium.org | 46839fb | 2012-08-28 09:06:19 +0000 | [diff] [blame] | 1254 | CHECK_EQ(i + 1, CountNativeContexts()); |
whesse@chromium.org | 4a5224e | 2010-10-20 12:37:07 +0000 | [diff] [blame] | 1255 | |
| 1256 | ctx[i]->Enter(); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1257 | |
| 1258 | // Create a handle scope so no function objects get stuch in the outer |
| 1259 | // handle scope |
| 1260 | v8::HandleScope scope; |
| 1261 | const char* source = "function f1() { };" |
| 1262 | "function f2() { };" |
| 1263 | "function f3() { };" |
| 1264 | "function f4() { };" |
| 1265 | "function f5() { };"; |
| 1266 | CompileRun(source); |
| 1267 | CHECK_EQ(0, CountOptimizedUserFunctions(ctx[i])); |
| 1268 | CompileRun("f1()"); |
| 1269 | CHECK_EQ(opt ? 1 : 0, CountOptimizedUserFunctions(ctx[i])); |
| 1270 | CompileRun("f2()"); |
| 1271 | CHECK_EQ(opt ? 2 : 0, CountOptimizedUserFunctions(ctx[i])); |
| 1272 | CompileRun("f3()"); |
| 1273 | CHECK_EQ(opt ? 3 : 0, CountOptimizedUserFunctions(ctx[i])); |
| 1274 | CompileRun("f4()"); |
| 1275 | CHECK_EQ(opt ? 4 : 0, CountOptimizedUserFunctions(ctx[i])); |
| 1276 | CompileRun("f5()"); |
| 1277 | CHECK_EQ(opt ? 5 : 0, CountOptimizedUserFunctions(ctx[i])); |
| 1278 | |
| 1279 | // Remove function f1, and |
| 1280 | CompileRun("f1=null"); |
| 1281 | |
| 1282 | // Scavenge treats these references as strong. |
| 1283 | for (int j = 0; j < 10; j++) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1284 | HEAP->PerformScavenge(); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1285 | CHECK_EQ(opt ? 5 : 0, CountOptimizedUserFunctions(ctx[i])); |
| 1286 | } |
| 1287 | |
| 1288 | // Mark compact handles the weak references. |
svenpanne@chromium.org | c859c4f | 2012-10-15 11:51:39 +0000 | [diff] [blame] | 1289 | ISOLATE->compilation_cache()->Clear(); |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1290 | HEAP->CollectAllGarbage(Heap::kNoGCFlags); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1291 | CHECK_EQ(opt ? 4 : 0, CountOptimizedUserFunctions(ctx[i])); |
| 1292 | |
| 1293 | // Get rid of f3 and f5 in the same way. |
| 1294 | CompileRun("f3=null"); |
| 1295 | for (int j = 0; j < 10; j++) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1296 | HEAP->PerformScavenge(); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1297 | CHECK_EQ(opt ? 4 : 0, CountOptimizedUserFunctions(ctx[i])); |
| 1298 | } |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1299 | HEAP->CollectAllGarbage(Heap::kNoGCFlags); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1300 | CHECK_EQ(opt ? 3 : 0, CountOptimizedUserFunctions(ctx[i])); |
| 1301 | CompileRun("f5=null"); |
| 1302 | for (int j = 0; j < 10; j++) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1303 | HEAP->PerformScavenge(); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1304 | CHECK_EQ(opt ? 3 : 0, CountOptimizedUserFunctions(ctx[i])); |
| 1305 | } |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1306 | HEAP->CollectAllGarbage(Heap::kNoGCFlags); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1307 | CHECK_EQ(opt ? 2 : 0, CountOptimizedUserFunctions(ctx[i])); |
| 1308 | |
whesse@chromium.org | 4a5224e | 2010-10-20 12:37:07 +0000 | [diff] [blame] | 1309 | ctx[i]->Exit(); |
| 1310 | } |
| 1311 | |
| 1312 | // Force compilation cache cleanup. |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1313 | HEAP->CollectAllGarbage(Heap::kNoGCFlags); |
whesse@chromium.org | 4a5224e | 2010-10-20 12:37:07 +0000 | [diff] [blame] | 1314 | |
yangguo@chromium.org | 46839fb | 2012-08-28 09:06:19 +0000 | [diff] [blame] | 1315 | // Dispose the native contexts one by one. |
whesse@chromium.org | 4a5224e | 2010-10-20 12:37:07 +0000 | [diff] [blame] | 1316 | for (int i = 0; i < kNumTestContexts; i++) { |
| 1317 | ctx[i].Dispose(); |
| 1318 | ctx[i].Clear(); |
| 1319 | |
| 1320 | // Scavenge treats these references as strong. |
| 1321 | for (int j = 0; j < 10; j++) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1322 | HEAP->PerformScavenge(); |
yangguo@chromium.org | 46839fb | 2012-08-28 09:06:19 +0000 | [diff] [blame] | 1323 | CHECK_EQ(kNumTestContexts - i, CountNativeContexts()); |
whesse@chromium.org | 4a5224e | 2010-10-20 12:37:07 +0000 | [diff] [blame] | 1324 | } |
| 1325 | |
| 1326 | // Mark compact handles the weak references. |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1327 | HEAP->CollectAllGarbage(Heap::kNoGCFlags); |
yangguo@chromium.org | 46839fb | 2012-08-28 09:06:19 +0000 | [diff] [blame] | 1328 | CHECK_EQ(kNumTestContexts - i - 1, CountNativeContexts()); |
whesse@chromium.org | 4a5224e | 2010-10-20 12:37:07 +0000 | [diff] [blame] | 1329 | } |
| 1330 | |
yangguo@chromium.org | 46839fb | 2012-08-28 09:06:19 +0000 | [diff] [blame] | 1331 | CHECK_EQ(0, CountNativeContexts()); |
whesse@chromium.org | 4a5224e | 2010-10-20 12:37:07 +0000 | [diff] [blame] | 1332 | } |
| 1333 | |
| 1334 | |
yangguo@chromium.org | 46839fb | 2012-08-28 09:06:19 +0000 | [diff] [blame] | 1335 | // Count the number of native contexts in the weak list of native contexts |
whesse@chromium.org | 4a5224e | 2010-10-20 12:37:07 +0000 | [diff] [blame] | 1336 | // causing a GC after the specified number of elements. |
yangguo@chromium.org | 46839fb | 2012-08-28 09:06:19 +0000 | [diff] [blame] | 1337 | static int CountNativeContextsWithGC(int n) { |
whesse@chromium.org | 4a5224e | 2010-10-20 12:37:07 +0000 | [diff] [blame] | 1338 | int count = 0; |
yangguo@chromium.org | 46839fb | 2012-08-28 09:06:19 +0000 | [diff] [blame] | 1339 | Handle<Object> object(HEAP->native_contexts_list()); |
whesse@chromium.org | 4a5224e | 2010-10-20 12:37:07 +0000 | [diff] [blame] | 1340 | while (!object->IsUndefined()) { |
| 1341 | count++; |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1342 | if (count == n) HEAP->CollectAllGarbage(Heap::kNoGCFlags); |
whesse@chromium.org | 4a5224e | 2010-10-20 12:37:07 +0000 | [diff] [blame] | 1343 | object = |
| 1344 | Handle<Object>(Context::cast(*object)->get(Context::NEXT_CONTEXT_LINK)); |
| 1345 | } |
| 1346 | return count; |
| 1347 | } |
| 1348 | |
| 1349 | |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1350 | // Count the number of user functions in the weak list of optimized |
yangguo@chromium.org | 46839fb | 2012-08-28 09:06:19 +0000 | [diff] [blame] | 1351 | // functions attached to a native context causing a GC after the |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1352 | // specified number of elements. |
| 1353 | static int CountOptimizedUserFunctionsWithGC(v8::Handle<v8::Context> context, |
| 1354 | int n) { |
| 1355 | int count = 0; |
| 1356 | Handle<Context> icontext = v8::Utils::OpenHandle(*context); |
| 1357 | Handle<Object> object(icontext->get(Context::OPTIMIZED_FUNCTIONS_LIST)); |
| 1358 | while (object->IsJSFunction() && |
| 1359 | !Handle<JSFunction>::cast(object)->IsBuiltin()) { |
| 1360 | count++; |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1361 | if (count == n) HEAP->CollectAllGarbage(Heap::kNoGCFlags); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1362 | object = Handle<Object>( |
| 1363 | Object::cast(JSFunction::cast(*object)->next_function_link())); |
| 1364 | } |
| 1365 | return count; |
| 1366 | } |
| 1367 | |
| 1368 | |
whesse@chromium.org | 4a5224e | 2010-10-20 12:37:07 +0000 | [diff] [blame] | 1369 | TEST(TestInternalWeakListsTraverseWithGC) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1370 | v8::V8::Initialize(); |
| 1371 | |
whesse@chromium.org | 4a5224e | 2010-10-20 12:37:07 +0000 | [diff] [blame] | 1372 | static const int kNumTestContexts = 10; |
| 1373 | |
| 1374 | v8::HandleScope scope; |
| 1375 | v8::Persistent<v8::Context> ctx[kNumTestContexts]; |
| 1376 | |
yangguo@chromium.org | 46839fb | 2012-08-28 09:06:19 +0000 | [diff] [blame] | 1377 | CHECK_EQ(0, CountNativeContexts()); |
whesse@chromium.org | 4a5224e | 2010-10-20 12:37:07 +0000 | [diff] [blame] | 1378 | |
| 1379 | // Create an number of contexts and check the length of the weak list both |
| 1380 | // with and without GCs while iterating the list. |
| 1381 | for (int i = 0; i < kNumTestContexts; i++) { |
| 1382 | ctx[i] = v8::Context::New(); |
yangguo@chromium.org | 46839fb | 2012-08-28 09:06:19 +0000 | [diff] [blame] | 1383 | CHECK_EQ(i + 1, CountNativeContexts()); |
| 1384 | CHECK_EQ(i + 1, CountNativeContextsWithGC(i / 2 + 1)); |
whesse@chromium.org | 4a5224e | 2010-10-20 12:37:07 +0000 | [diff] [blame] | 1385 | } |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1386 | |
| 1387 | bool opt = (FLAG_always_opt && i::V8::UseCrankshaft()); |
| 1388 | |
| 1389 | // Compile a number of functions the length of the weak list of optimized |
| 1390 | // functions both with and without GCs while iterating the list. |
| 1391 | ctx[0]->Enter(); |
| 1392 | const char* source = "function f1() { };" |
| 1393 | "function f2() { };" |
| 1394 | "function f3() { };" |
| 1395 | "function f4() { };" |
| 1396 | "function f5() { };"; |
| 1397 | CompileRun(source); |
| 1398 | CHECK_EQ(0, CountOptimizedUserFunctions(ctx[0])); |
| 1399 | CompileRun("f1()"); |
| 1400 | CHECK_EQ(opt ? 1 : 0, CountOptimizedUserFunctions(ctx[0])); |
| 1401 | CHECK_EQ(opt ? 1 : 0, CountOptimizedUserFunctionsWithGC(ctx[0], 1)); |
| 1402 | CompileRun("f2()"); |
| 1403 | CHECK_EQ(opt ? 2 : 0, CountOptimizedUserFunctions(ctx[0])); |
| 1404 | CHECK_EQ(opt ? 2 : 0, CountOptimizedUserFunctionsWithGC(ctx[0], 1)); |
| 1405 | CompileRun("f3()"); |
| 1406 | CHECK_EQ(opt ? 3 : 0, CountOptimizedUserFunctions(ctx[0])); |
| 1407 | CHECK_EQ(opt ? 3 : 0, CountOptimizedUserFunctionsWithGC(ctx[0], 1)); |
| 1408 | CompileRun("f4()"); |
| 1409 | CHECK_EQ(opt ? 4 : 0, CountOptimizedUserFunctions(ctx[0])); |
| 1410 | CHECK_EQ(opt ? 4 : 0, CountOptimizedUserFunctionsWithGC(ctx[0], 2)); |
| 1411 | CompileRun("f5()"); |
| 1412 | CHECK_EQ(opt ? 5 : 0, CountOptimizedUserFunctions(ctx[0])); |
| 1413 | CHECK_EQ(opt ? 5 : 0, CountOptimizedUserFunctionsWithGC(ctx[0], 4)); |
| 1414 | |
| 1415 | ctx[0]->Exit(); |
whesse@chromium.org | 4a5224e | 2010-10-20 12:37:07 +0000 | [diff] [blame] | 1416 | } |
erik.corry@gmail.com | 4a6c327 | 2010-11-18 12:04:40 +0000 | [diff] [blame] | 1417 | |
| 1418 | |
erik.corry@gmail.com | f2038fb | 2012-01-16 11:42:08 +0000 | [diff] [blame] | 1419 | TEST(TestSizeOfObjects) { |
| 1420 | v8::V8::Initialize(); |
| 1421 | |
| 1422 | // Get initial heap size after several full GCs, which will stabilize |
| 1423 | // the heap size and return with sweeping finished completely. |
| 1424 | HEAP->CollectAllGarbage(Heap::kNoGCFlags); |
| 1425 | HEAP->CollectAllGarbage(Heap::kNoGCFlags); |
| 1426 | HEAP->CollectAllGarbage(Heap::kNoGCFlags); |
| 1427 | HEAP->CollectAllGarbage(Heap::kNoGCFlags); |
yangguo@chromium.org | 5a11aaf | 2012-06-20 11:29:00 +0000 | [diff] [blame] | 1428 | HEAP->CollectAllGarbage(Heap::kNoGCFlags); |
erik.corry@gmail.com | f2038fb | 2012-01-16 11:42:08 +0000 | [diff] [blame] | 1429 | CHECK(HEAP->old_pointer_space()->IsSweepingComplete()); |
| 1430 | int initial_size = static_cast<int>(HEAP->SizeOfObjects()); |
| 1431 | |
| 1432 | { |
| 1433 | // Allocate objects on several different old-space pages so that |
| 1434 | // lazy sweeping kicks in for subsequent GC runs. |
| 1435 | AlwaysAllocateScope always_allocate; |
| 1436 | int filler_size = static_cast<int>(FixedArray::SizeFor(8192)); |
| 1437 | for (int i = 1; i <= 100; i++) { |
| 1438 | HEAP->AllocateFixedArray(8192, TENURED)->ToObjectChecked(); |
| 1439 | CHECK_EQ(initial_size + i * filler_size, |
| 1440 | static_cast<int>(HEAP->SizeOfObjects())); |
| 1441 | } |
| 1442 | } |
| 1443 | |
| 1444 | // The heap size should go back to initial size after a full GC, even |
| 1445 | // though sweeping didn't finish yet. |
| 1446 | HEAP->CollectAllGarbage(Heap::kNoGCFlags); |
danno@chromium.org | 2c26cb1 | 2012-05-03 09:06:43 +0000 | [diff] [blame] | 1447 | |
| 1448 | // Normally sweeping would not be complete here, but no guarantees. |
| 1449 | |
erik.corry@gmail.com | f2038fb | 2012-01-16 11:42:08 +0000 | [diff] [blame] | 1450 | CHECK_EQ(initial_size, static_cast<int>(HEAP->SizeOfObjects())); |
| 1451 | |
| 1452 | // Advancing the sweeper step-wise should not change the heap size. |
| 1453 | while (!HEAP->old_pointer_space()->IsSweepingComplete()) { |
| 1454 | HEAP->old_pointer_space()->AdvanceSweeper(KB); |
| 1455 | CHECK_EQ(initial_size, static_cast<int>(HEAP->SizeOfObjects())); |
| 1456 | } |
| 1457 | } |
| 1458 | |
| 1459 | |
erik.corry@gmail.com | 4a6c327 | 2010-11-18 12:04:40 +0000 | [diff] [blame] | 1460 | TEST(TestSizeOfObjectsVsHeapIteratorPrecision) { |
| 1461 | InitializeVM(); |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1462 | HEAP->EnsureHeapIsIterable(); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1463 | intptr_t size_of_objects_1 = HEAP->SizeOfObjects(); |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1464 | HeapIterator iterator; |
erik.corry@gmail.com | 4a6c327 | 2010-11-18 12:04:40 +0000 | [diff] [blame] | 1465 | intptr_t size_of_objects_2 = 0; |
| 1466 | for (HeapObject* obj = iterator.next(); |
| 1467 | obj != NULL; |
| 1468 | obj = iterator.next()) { |
ulan@chromium.org | 56c14af | 2012-09-20 12:51:09 +0000 | [diff] [blame] | 1469 | if (!obj->IsFreeSpace()) { |
| 1470 | size_of_objects_2 += obj->Size(); |
| 1471 | } |
erik.corry@gmail.com | 4a6c327 | 2010-11-18 12:04:40 +0000 | [diff] [blame] | 1472 | } |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1473 | // Delta must be within 5% of the larger result. |
| 1474 | // TODO(gc): Tighten this up by distinguishing between byte |
| 1475 | // arrays that are real and those that merely mark free space |
| 1476 | // on the heap. |
erik.corry@gmail.com | 4a6c327 | 2010-11-18 12:04:40 +0000 | [diff] [blame] | 1477 | if (size_of_objects_1 > size_of_objects_2) { |
| 1478 | intptr_t delta = size_of_objects_1 - size_of_objects_2; |
| 1479 | PrintF("Heap::SizeOfObjects: %" V8_PTR_PREFIX "d, " |
| 1480 | "Iterator: %" V8_PTR_PREFIX "d, " |
| 1481 | "delta: %" V8_PTR_PREFIX "d\n", |
| 1482 | size_of_objects_1, size_of_objects_2, delta); |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1483 | CHECK_GT(size_of_objects_1 / 20, delta); |
erik.corry@gmail.com | 4a6c327 | 2010-11-18 12:04:40 +0000 | [diff] [blame] | 1484 | } else { |
| 1485 | intptr_t delta = size_of_objects_2 - size_of_objects_1; |
| 1486 | PrintF("Heap::SizeOfObjects: %" V8_PTR_PREFIX "d, " |
| 1487 | "Iterator: %" V8_PTR_PREFIX "d, " |
| 1488 | "delta: %" V8_PTR_PREFIX "d\n", |
| 1489 | size_of_objects_1, size_of_objects_2, delta); |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1490 | CHECK_GT(size_of_objects_2 / 20, delta); |
erik.corry@gmail.com | 4a6c327 | 2010-11-18 12:04:40 +0000 | [diff] [blame] | 1491 | } |
| 1492 | } |
whesse@chromium.org | 023421e | 2010-12-21 12:19:12 +0000 | [diff] [blame] | 1493 | |
| 1494 | |
danno@chromium.org | c612e02 | 2011-11-10 11:38:15 +0000 | [diff] [blame] | 1495 | static void FillUpNewSpace(NewSpace* new_space) { |
| 1496 | // Fill up new space to the point that it is completely full. Make sure |
| 1497 | // that the scavenger does not undo the filling. |
| 1498 | v8::HandleScope scope; |
| 1499 | AlwaysAllocateScope always_allocate; |
| 1500 | intptr_t available = new_space->EffectiveCapacity() - new_space->Size(); |
fschneider@chromium.org | 7d10be5 | 2012-04-10 12:30:14 +0000 | [diff] [blame] | 1501 | intptr_t number_of_fillers = (available / FixedArray::SizeFor(32)) - 1; |
danno@chromium.org | c612e02 | 2011-11-10 11:38:15 +0000 | [diff] [blame] | 1502 | for (intptr_t i = 0; i < number_of_fillers; i++) { |
fschneider@chromium.org | 7d10be5 | 2012-04-10 12:30:14 +0000 | [diff] [blame] | 1503 | CHECK(HEAP->InNewSpace(*FACTORY->NewFixedArray(32, NOT_TENURED))); |
danno@chromium.org | c612e02 | 2011-11-10 11:38:15 +0000 | [diff] [blame] | 1504 | } |
| 1505 | } |
| 1506 | |
| 1507 | |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1508 | TEST(GrowAndShrinkNewSpace) { |
| 1509 | InitializeVM(); |
| 1510 | NewSpace* new_space = HEAP->new_space(); |
| 1511 | |
mstarzinger@chromium.org | 471f2f1 | 2012-08-10 14:46:33 +0000 | [diff] [blame] | 1512 | if (HEAP->ReservedSemiSpaceSize() == HEAP->InitialSemiSpaceSize() || |
| 1513 | HEAP->MaxSemiSpaceSize() == HEAP->InitialSemiSpaceSize()) { |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 1514 | // The max size cannot exceed the reserved size, since semispaces must be |
| 1515 | // always within the reserved space. We can't test new space growing and |
| 1516 | // shrinking if the reserved size is the same as the minimum (initial) size. |
| 1517 | return; |
| 1518 | } |
| 1519 | |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1520 | // Explicitly growing should double the space capacity. |
| 1521 | intptr_t old_capacity, new_capacity; |
| 1522 | old_capacity = new_space->Capacity(); |
| 1523 | new_space->Grow(); |
| 1524 | new_capacity = new_space->Capacity(); |
| 1525 | CHECK(2 * old_capacity == new_capacity); |
| 1526 | |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1527 | old_capacity = new_space->Capacity(); |
danno@chromium.org | c612e02 | 2011-11-10 11:38:15 +0000 | [diff] [blame] | 1528 | FillUpNewSpace(new_space); |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1529 | new_capacity = new_space->Capacity(); |
| 1530 | CHECK(old_capacity == new_capacity); |
whesse@chromium.org | 023421e | 2010-12-21 12:19:12 +0000 | [diff] [blame] | 1531 | |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1532 | // Explicitly shrinking should not affect space capacity. |
| 1533 | old_capacity = new_space->Capacity(); |
| 1534 | new_space->Shrink(); |
| 1535 | new_capacity = new_space->Capacity(); |
| 1536 | CHECK(old_capacity == new_capacity); |
| 1537 | |
| 1538 | // Let the scavenger empty the new space. |
| 1539 | HEAP->CollectGarbage(NEW_SPACE); |
| 1540 | CHECK_LE(new_space->Size(), old_capacity); |
| 1541 | |
| 1542 | // Explicitly shrinking should halve the space capacity. |
| 1543 | old_capacity = new_space->Capacity(); |
| 1544 | new_space->Shrink(); |
| 1545 | new_capacity = new_space->Capacity(); |
| 1546 | CHECK(old_capacity == 2 * new_capacity); |
| 1547 | |
| 1548 | // Consecutive shrinking should not affect space capacity. |
| 1549 | old_capacity = new_space->Capacity(); |
| 1550 | new_space->Shrink(); |
| 1551 | new_space->Shrink(); |
| 1552 | new_space->Shrink(); |
| 1553 | new_capacity = new_space->Capacity(); |
| 1554 | CHECK(old_capacity == new_capacity); |
whesse@chromium.org | 023421e | 2010-12-21 12:19:12 +0000 | [diff] [blame] | 1555 | } |
danno@chromium.org | c612e02 | 2011-11-10 11:38:15 +0000 | [diff] [blame] | 1556 | |
| 1557 | |
| 1558 | TEST(CollectingAllAvailableGarbageShrinksNewSpace) { |
| 1559 | InitializeVM(); |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 1560 | |
mstarzinger@chromium.org | 471f2f1 | 2012-08-10 14:46:33 +0000 | [diff] [blame] | 1561 | if (HEAP->ReservedSemiSpaceSize() == HEAP->InitialSemiSpaceSize() || |
| 1562 | HEAP->MaxSemiSpaceSize() == HEAP->InitialSemiSpaceSize()) { |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 1563 | // The max size cannot exceed the reserved size, since semispaces must be |
| 1564 | // always within the reserved space. We can't test new space growing and |
| 1565 | // shrinking if the reserved size is the same as the minimum (initial) size. |
| 1566 | return; |
| 1567 | } |
| 1568 | |
danno@chromium.org | c612e02 | 2011-11-10 11:38:15 +0000 | [diff] [blame] | 1569 | v8::HandleScope scope; |
| 1570 | NewSpace* new_space = HEAP->new_space(); |
| 1571 | intptr_t old_capacity, new_capacity; |
| 1572 | old_capacity = new_space->Capacity(); |
| 1573 | new_space->Grow(); |
| 1574 | new_capacity = new_space->Capacity(); |
| 1575 | CHECK(2 * old_capacity == new_capacity); |
| 1576 | FillUpNewSpace(new_space); |
| 1577 | HEAP->CollectAllAvailableGarbage(); |
| 1578 | new_capacity = new_space->Capacity(); |
| 1579 | CHECK(old_capacity == new_capacity); |
| 1580 | } |
svenpanne@chromium.org | ecb9dd6 | 2011-12-01 08:22:35 +0000 | [diff] [blame] | 1581 | |
ricow@chromium.org | 7ad6522 | 2011-12-19 12:13:11 +0000 | [diff] [blame] | 1582 | |
| 1583 | static int NumberOfGlobalObjects() { |
| 1584 | int count = 0; |
| 1585 | HeapIterator iterator; |
| 1586 | for (HeapObject* obj = iterator.next(); obj != NULL; obj = iterator.next()) { |
| 1587 | if (obj->IsGlobalObject()) count++; |
| 1588 | } |
| 1589 | return count; |
| 1590 | } |
| 1591 | |
| 1592 | |
| 1593 | // Test that we don't embed maps from foreign contexts into |
| 1594 | // optimized code. |
yangguo@chromium.org | 46839fb | 2012-08-28 09:06:19 +0000 | [diff] [blame] | 1595 | TEST(LeakNativeContextViaMap) { |
danno@chromium.org | e78f9fc | 2011-12-21 08:29:34 +0000 | [diff] [blame] | 1596 | i::FLAG_allow_natives_syntax = true; |
ricow@chromium.org | 7ad6522 | 2011-12-19 12:13:11 +0000 | [diff] [blame] | 1597 | v8::HandleScope outer_scope; |
| 1598 | v8::Persistent<v8::Context> ctx1 = v8::Context::New(); |
| 1599 | v8::Persistent<v8::Context> ctx2 = v8::Context::New(); |
| 1600 | ctx1->Enter(); |
| 1601 | |
| 1602 | HEAP->CollectAllAvailableGarbage(); |
| 1603 | CHECK_EQ(4, NumberOfGlobalObjects()); |
| 1604 | |
| 1605 | { |
| 1606 | v8::HandleScope inner_scope; |
| 1607 | CompileRun("var v = {x: 42}"); |
| 1608 | v8::Local<v8::Value> v = ctx1->Global()->Get(v8_str("v")); |
| 1609 | ctx2->Enter(); |
| 1610 | ctx2->Global()->Set(v8_str("o"), v); |
| 1611 | v8::Local<v8::Value> res = CompileRun( |
| 1612 | "function f() { return o.x; }" |
danno@chromium.org | e78f9fc | 2011-12-21 08:29:34 +0000 | [diff] [blame] | 1613 | "for (var i = 0; i < 10; ++i) f();" |
| 1614 | "%OptimizeFunctionOnNextCall(f);" |
ricow@chromium.org | 7ad6522 | 2011-12-19 12:13:11 +0000 | [diff] [blame] | 1615 | "f();"); |
| 1616 | CHECK_EQ(42, res->Int32Value()); |
| 1617 | ctx2->Global()->Set(v8_str("o"), v8::Int32::New(0)); |
| 1618 | ctx2->Exit(); |
| 1619 | ctx1->Exit(); |
| 1620 | ctx1.Dispose(); |
svenpanne@chromium.org | c859c4f | 2012-10-15 11:51:39 +0000 | [diff] [blame] | 1621 | v8::V8::ContextDisposedNotification(); |
ricow@chromium.org | 7ad6522 | 2011-12-19 12:13:11 +0000 | [diff] [blame] | 1622 | } |
| 1623 | HEAP->CollectAllAvailableGarbage(); |
| 1624 | CHECK_EQ(2, NumberOfGlobalObjects()); |
| 1625 | ctx2.Dispose(); |
| 1626 | HEAP->CollectAllAvailableGarbage(); |
| 1627 | CHECK_EQ(0, NumberOfGlobalObjects()); |
| 1628 | } |
| 1629 | |
| 1630 | |
| 1631 | // Test that we don't embed functions from foreign contexts into |
| 1632 | // optimized code. |
yangguo@chromium.org | 46839fb | 2012-08-28 09:06:19 +0000 | [diff] [blame] | 1633 | TEST(LeakNativeContextViaFunction) { |
danno@chromium.org | e78f9fc | 2011-12-21 08:29:34 +0000 | [diff] [blame] | 1634 | i::FLAG_allow_natives_syntax = true; |
ricow@chromium.org | 7ad6522 | 2011-12-19 12:13:11 +0000 | [diff] [blame] | 1635 | v8::HandleScope outer_scope; |
| 1636 | v8::Persistent<v8::Context> ctx1 = v8::Context::New(); |
| 1637 | v8::Persistent<v8::Context> ctx2 = v8::Context::New(); |
| 1638 | ctx1->Enter(); |
| 1639 | |
| 1640 | HEAP->CollectAllAvailableGarbage(); |
| 1641 | CHECK_EQ(4, NumberOfGlobalObjects()); |
| 1642 | |
| 1643 | { |
| 1644 | v8::HandleScope inner_scope; |
| 1645 | CompileRun("var v = function() { return 42; }"); |
| 1646 | v8::Local<v8::Value> v = ctx1->Global()->Get(v8_str("v")); |
| 1647 | ctx2->Enter(); |
| 1648 | ctx2->Global()->Set(v8_str("o"), v); |
| 1649 | v8::Local<v8::Value> res = CompileRun( |
| 1650 | "function f(x) { return x(); }" |
danno@chromium.org | e78f9fc | 2011-12-21 08:29:34 +0000 | [diff] [blame] | 1651 | "for (var i = 0; i < 10; ++i) f(o);" |
| 1652 | "%OptimizeFunctionOnNextCall(f);" |
ricow@chromium.org | 7ad6522 | 2011-12-19 12:13:11 +0000 | [diff] [blame] | 1653 | "f(o);"); |
| 1654 | CHECK_EQ(42, res->Int32Value()); |
| 1655 | ctx2->Global()->Set(v8_str("o"), v8::Int32::New(0)); |
| 1656 | ctx2->Exit(); |
| 1657 | ctx1->Exit(); |
| 1658 | ctx1.Dispose(); |
svenpanne@chromium.org | c859c4f | 2012-10-15 11:51:39 +0000 | [diff] [blame] | 1659 | v8::V8::ContextDisposedNotification(); |
ricow@chromium.org | 7ad6522 | 2011-12-19 12:13:11 +0000 | [diff] [blame] | 1660 | } |
| 1661 | HEAP->CollectAllAvailableGarbage(); |
| 1662 | CHECK_EQ(2, NumberOfGlobalObjects()); |
| 1663 | ctx2.Dispose(); |
| 1664 | HEAP->CollectAllAvailableGarbage(); |
| 1665 | CHECK_EQ(0, NumberOfGlobalObjects()); |
| 1666 | } |
danno@chromium.org | e78f9fc | 2011-12-21 08:29:34 +0000 | [diff] [blame] | 1667 | |
| 1668 | |
yangguo@chromium.org | 46839fb | 2012-08-28 09:06:19 +0000 | [diff] [blame] | 1669 | TEST(LeakNativeContextViaMapKeyed) { |
danno@chromium.org | e78f9fc | 2011-12-21 08:29:34 +0000 | [diff] [blame] | 1670 | i::FLAG_allow_natives_syntax = true; |
| 1671 | v8::HandleScope outer_scope; |
| 1672 | v8::Persistent<v8::Context> ctx1 = v8::Context::New(); |
| 1673 | v8::Persistent<v8::Context> ctx2 = v8::Context::New(); |
| 1674 | ctx1->Enter(); |
| 1675 | |
| 1676 | HEAP->CollectAllAvailableGarbage(); |
| 1677 | CHECK_EQ(4, NumberOfGlobalObjects()); |
| 1678 | |
| 1679 | { |
| 1680 | v8::HandleScope inner_scope; |
| 1681 | CompileRun("var v = [42, 43]"); |
| 1682 | v8::Local<v8::Value> v = ctx1->Global()->Get(v8_str("v")); |
| 1683 | ctx2->Enter(); |
| 1684 | ctx2->Global()->Set(v8_str("o"), v); |
| 1685 | v8::Local<v8::Value> res = CompileRun( |
| 1686 | "function f() { return o[0]; }" |
| 1687 | "for (var i = 0; i < 10; ++i) f();" |
| 1688 | "%OptimizeFunctionOnNextCall(f);" |
| 1689 | "f();"); |
| 1690 | CHECK_EQ(42, res->Int32Value()); |
| 1691 | ctx2->Global()->Set(v8_str("o"), v8::Int32::New(0)); |
| 1692 | ctx2->Exit(); |
| 1693 | ctx1->Exit(); |
| 1694 | ctx1.Dispose(); |
svenpanne@chromium.org | c859c4f | 2012-10-15 11:51:39 +0000 | [diff] [blame] | 1695 | v8::V8::ContextDisposedNotification(); |
danno@chromium.org | e78f9fc | 2011-12-21 08:29:34 +0000 | [diff] [blame] | 1696 | } |
| 1697 | HEAP->CollectAllAvailableGarbage(); |
| 1698 | CHECK_EQ(2, NumberOfGlobalObjects()); |
| 1699 | ctx2.Dispose(); |
| 1700 | HEAP->CollectAllAvailableGarbage(); |
| 1701 | CHECK_EQ(0, NumberOfGlobalObjects()); |
| 1702 | } |
| 1703 | |
| 1704 | |
yangguo@chromium.org | 46839fb | 2012-08-28 09:06:19 +0000 | [diff] [blame] | 1705 | TEST(LeakNativeContextViaMapProto) { |
danno@chromium.org | e78f9fc | 2011-12-21 08:29:34 +0000 | [diff] [blame] | 1706 | i::FLAG_allow_natives_syntax = true; |
| 1707 | v8::HandleScope outer_scope; |
| 1708 | v8::Persistent<v8::Context> ctx1 = v8::Context::New(); |
| 1709 | v8::Persistent<v8::Context> ctx2 = v8::Context::New(); |
| 1710 | ctx1->Enter(); |
| 1711 | |
| 1712 | HEAP->CollectAllAvailableGarbage(); |
| 1713 | CHECK_EQ(4, NumberOfGlobalObjects()); |
| 1714 | |
| 1715 | { |
| 1716 | v8::HandleScope inner_scope; |
| 1717 | CompileRun("var v = { y: 42}"); |
| 1718 | v8::Local<v8::Value> v = ctx1->Global()->Get(v8_str("v")); |
| 1719 | ctx2->Enter(); |
| 1720 | ctx2->Global()->Set(v8_str("o"), v); |
| 1721 | v8::Local<v8::Value> res = CompileRun( |
| 1722 | "function f() {" |
| 1723 | " var p = {x: 42};" |
| 1724 | " p.__proto__ = o;" |
| 1725 | " return p.x;" |
| 1726 | "}" |
| 1727 | "for (var i = 0; i < 10; ++i) f();" |
| 1728 | "%OptimizeFunctionOnNextCall(f);" |
| 1729 | "f();"); |
| 1730 | CHECK_EQ(42, res->Int32Value()); |
| 1731 | ctx2->Global()->Set(v8_str("o"), v8::Int32::New(0)); |
| 1732 | ctx2->Exit(); |
| 1733 | ctx1->Exit(); |
| 1734 | ctx1.Dispose(); |
svenpanne@chromium.org | c859c4f | 2012-10-15 11:51:39 +0000 | [diff] [blame] | 1735 | v8::V8::ContextDisposedNotification(); |
danno@chromium.org | e78f9fc | 2011-12-21 08:29:34 +0000 | [diff] [blame] | 1736 | } |
| 1737 | HEAP->CollectAllAvailableGarbage(); |
| 1738 | CHECK_EQ(2, NumberOfGlobalObjects()); |
| 1739 | ctx2.Dispose(); |
| 1740 | HEAP->CollectAllAvailableGarbage(); |
| 1741 | CHECK_EQ(0, NumberOfGlobalObjects()); |
| 1742 | } |
erik.corry@gmail.com | f2038fb | 2012-01-16 11:42:08 +0000 | [diff] [blame] | 1743 | |
| 1744 | |
| 1745 | TEST(InstanceOfStubWriteBarrier) { |
| 1746 | i::FLAG_allow_natives_syntax = true; |
svenpanne@chromium.org | c859c4f | 2012-10-15 11:51:39 +0000 | [diff] [blame] | 1747 | #ifdef VERIFY_HEAP |
erik.corry@gmail.com | f2038fb | 2012-01-16 11:42:08 +0000 | [diff] [blame] | 1748 | i::FLAG_verify_heap = true; |
| 1749 | #endif |
svenpanne@chromium.org | c859c4f | 2012-10-15 11:51:39 +0000 | [diff] [blame] | 1750 | |
erik.corry@gmail.com | f2038fb | 2012-01-16 11:42:08 +0000 | [diff] [blame] | 1751 | InitializeVM(); |
| 1752 | if (!i::V8::UseCrankshaft()) return; |
yangguo@chromium.org | fb37721 | 2012-11-16 14:43:43 +0000 | [diff] [blame] | 1753 | if (i::FLAG_force_marking_deque_overflows) return; |
erik.corry@gmail.com | f2038fb | 2012-01-16 11:42:08 +0000 | [diff] [blame] | 1754 | v8::HandleScope outer_scope; |
| 1755 | |
| 1756 | { |
| 1757 | v8::HandleScope scope; |
| 1758 | CompileRun( |
| 1759 | "function foo () { }" |
| 1760 | "function mkbar () { return new (new Function(\"\")) (); }" |
| 1761 | "function f (x) { return (x instanceof foo); }" |
| 1762 | "function g () { f(mkbar()); }" |
| 1763 | "f(new foo()); f(new foo());" |
| 1764 | "%OptimizeFunctionOnNextCall(f);" |
| 1765 | "f(new foo()); g();"); |
| 1766 | } |
| 1767 | |
| 1768 | IncrementalMarking* marking = HEAP->incremental_marking(); |
| 1769 | marking->Abort(); |
| 1770 | marking->Start(); |
| 1771 | |
| 1772 | Handle<JSFunction> f = |
| 1773 | v8::Utils::OpenHandle( |
| 1774 | *v8::Handle<v8::Function>::Cast( |
| 1775 | v8::Context::GetCurrent()->Global()->Get(v8_str("f")))); |
| 1776 | |
| 1777 | CHECK(f->IsOptimized()); |
| 1778 | |
| 1779 | while (!Marking::IsBlack(Marking::MarkBitFrom(f->code())) && |
| 1780 | !marking->IsStopped()) { |
fschneider@chromium.org | 7d10be5 | 2012-04-10 12:30:14 +0000 | [diff] [blame] | 1781 | // Discard any pending GC requests otherwise we will get GC when we enter |
| 1782 | // code below. |
| 1783 | marking->Step(MB, IncrementalMarking::NO_GC_VIA_STACK_GUARD); |
erik.corry@gmail.com | f2038fb | 2012-01-16 11:42:08 +0000 | [diff] [blame] | 1784 | } |
| 1785 | |
| 1786 | CHECK(marking->IsMarking()); |
| 1787 | |
erik.corry@gmail.com | f2038fb | 2012-01-16 11:42:08 +0000 | [diff] [blame] | 1788 | { |
| 1789 | v8::HandleScope scope; |
| 1790 | v8::Handle<v8::Object> global = v8::Context::GetCurrent()->Global(); |
| 1791 | v8::Handle<v8::Function> g = |
| 1792 | v8::Handle<v8::Function>::Cast(global->Get(v8_str("g"))); |
| 1793 | g->Call(global, 0, NULL); |
| 1794 | } |
| 1795 | |
| 1796 | HEAP->incremental_marking()->set_should_hurry(true); |
| 1797 | HEAP->CollectGarbage(OLD_POINTER_SPACE); |
| 1798 | } |
ulan@chromium.org | 2efb900 | 2012-01-19 15:36:35 +0000 | [diff] [blame] | 1799 | |
| 1800 | |
| 1801 | TEST(PrototypeTransitionClearing) { |
| 1802 | InitializeVM(); |
| 1803 | v8::HandleScope scope; |
| 1804 | |
| 1805 | CompileRun( |
| 1806 | "var base = {};" |
| 1807 | "var live = [];" |
| 1808 | "for (var i = 0; i < 10; i++) {" |
| 1809 | " var object = {};" |
| 1810 | " var prototype = {};" |
| 1811 | " object.__proto__ = prototype;" |
| 1812 | " if (i >= 3) live.push(object, prototype);" |
| 1813 | "}"); |
| 1814 | |
| 1815 | Handle<JSObject> baseObject = |
| 1816 | v8::Utils::OpenHandle( |
| 1817 | *v8::Handle<v8::Object>::Cast( |
| 1818 | v8::Context::GetCurrent()->Global()->Get(v8_str("base")))); |
| 1819 | |
ulan@chromium.org | f6a0c41 | 2012-06-15 12:31:06 +0000 | [diff] [blame] | 1820 | // Verify that only dead prototype transitions are cleared. |
| 1821 | CHECK_EQ(10, baseObject->map()->NumberOfProtoTransitions()); |
ulan@chromium.org | 2efb900 | 2012-01-19 15:36:35 +0000 | [diff] [blame] | 1822 | HEAP->CollectAllGarbage(Heap::kNoGCFlags); |
ulan@chromium.org | f6a0c41 | 2012-06-15 12:31:06 +0000 | [diff] [blame] | 1823 | const int transitions = 10 - 3; |
mmassi@chromium.org | 7028c05 | 2012-06-13 11:51:58 +0000 | [diff] [blame] | 1824 | CHECK_EQ(transitions, baseObject->map()->NumberOfProtoTransitions()); |
ulan@chromium.org | 2efb900 | 2012-01-19 15:36:35 +0000 | [diff] [blame] | 1825 | |
| 1826 | // Verify that prototype transitions array was compacted. |
danno@chromium.org | 81cac2b | 2012-07-10 11:28:27 +0000 | [diff] [blame] | 1827 | FixedArray* trans = baseObject->map()->GetPrototypeTransitions(); |
mmassi@chromium.org | 7028c05 | 2012-06-13 11:51:58 +0000 | [diff] [blame] | 1828 | for (int i = 0; i < transitions; i++) { |
ulan@chromium.org | 2efb900 | 2012-01-19 15:36:35 +0000 | [diff] [blame] | 1829 | int j = Map::kProtoTransitionHeaderSize + |
| 1830 | i * Map::kProtoTransitionElementsPerEntry; |
| 1831 | CHECK(trans->get(j + Map::kProtoTransitionMapOffset)->IsMap()); |
mmassi@chromium.org | 7028c05 | 2012-06-13 11:51:58 +0000 | [diff] [blame] | 1832 | Object* proto = trans->get(j + Map::kProtoTransitionPrototypeOffset); |
| 1833 | CHECK(proto->IsTheHole() || proto->IsJSObject()); |
ulan@chromium.org | 2efb900 | 2012-01-19 15:36:35 +0000 | [diff] [blame] | 1834 | } |
jkummerow@chromium.org | 05ed9dd | 2012-01-23 14:42:48 +0000 | [diff] [blame] | 1835 | |
| 1836 | // Make sure next prototype is placed on an old-space evacuation candidate. |
| 1837 | Handle<JSObject> prototype; |
| 1838 | PagedSpace* space = HEAP->old_pointer_space(); |
yangguo@chromium.org | fb37721 | 2012-11-16 14:43:43 +0000 | [diff] [blame] | 1839 | { |
| 1840 | AlwaysAllocateScope always_allocate; |
| 1841 | SimulateFullSpace(space); |
svenpanne@chromium.org | 830d30c | 2012-05-29 13:20:14 +0000 | [diff] [blame] | 1842 | prototype = FACTORY->NewJSArray(32 * KB, FAST_HOLEY_ELEMENTS, TENURED); |
yangguo@chromium.org | fb37721 | 2012-11-16 14:43:43 +0000 | [diff] [blame] | 1843 | } |
jkummerow@chromium.org | 05ed9dd | 2012-01-23 14:42:48 +0000 | [diff] [blame] | 1844 | |
| 1845 | // Add a prototype on an evacuation candidate and verify that transition |
| 1846 | // clearing correctly records slots in prototype transition array. |
| 1847 | i::FLAG_always_compact = true; |
| 1848 | Handle<Map> map(baseObject->map()); |
danno@chromium.org | 81cac2b | 2012-07-10 11:28:27 +0000 | [diff] [blame] | 1849 | CHECK(!space->LastPage()->Contains( |
| 1850 | map->GetPrototypeTransitions()->address())); |
jkummerow@chromium.org | 05ed9dd | 2012-01-23 14:42:48 +0000 | [diff] [blame] | 1851 | CHECK(space->LastPage()->Contains(prototype->address())); |
| 1852 | baseObject->SetPrototype(*prototype, false)->ToObjectChecked(); |
| 1853 | CHECK(map->GetPrototypeTransition(*prototype)->IsMap()); |
| 1854 | HEAP->CollectAllGarbage(Heap::kNoGCFlags); |
| 1855 | CHECK(map->GetPrototypeTransition(*prototype)->IsMap()); |
ulan@chromium.org | 2efb900 | 2012-01-19 15:36:35 +0000 | [diff] [blame] | 1856 | } |
fschneider@chromium.org | 7d10be5 | 2012-04-10 12:30:14 +0000 | [diff] [blame] | 1857 | |
| 1858 | |
| 1859 | TEST(ResetSharedFunctionInfoCountersDuringIncrementalMarking) { |
| 1860 | i::FLAG_allow_natives_syntax = true; |
svenpanne@chromium.org | c859c4f | 2012-10-15 11:51:39 +0000 | [diff] [blame] | 1861 | #ifdef VERIFY_HEAP |
fschneider@chromium.org | 7d10be5 | 2012-04-10 12:30:14 +0000 | [diff] [blame] | 1862 | i::FLAG_verify_heap = true; |
| 1863 | #endif |
svenpanne@chromium.org | c859c4f | 2012-10-15 11:51:39 +0000 | [diff] [blame] | 1864 | |
fschneider@chromium.org | 7d10be5 | 2012-04-10 12:30:14 +0000 | [diff] [blame] | 1865 | InitializeVM(); |
| 1866 | if (!i::V8::UseCrankshaft()) return; |
| 1867 | v8::HandleScope outer_scope; |
| 1868 | |
| 1869 | { |
| 1870 | v8::HandleScope scope; |
| 1871 | CompileRun( |
| 1872 | "function f () {" |
| 1873 | " var s = 0;" |
| 1874 | " for (var i = 0; i < 100; i++) s += i;" |
| 1875 | " return s;" |
| 1876 | "}" |
| 1877 | "f(); f();" |
| 1878 | "%OptimizeFunctionOnNextCall(f);" |
| 1879 | "f();"); |
| 1880 | } |
| 1881 | Handle<JSFunction> f = |
| 1882 | v8::Utils::OpenHandle( |
| 1883 | *v8::Handle<v8::Function>::Cast( |
| 1884 | v8::Context::GetCurrent()->Global()->Get(v8_str("f")))); |
| 1885 | CHECK(f->IsOptimized()); |
| 1886 | |
| 1887 | IncrementalMarking* marking = HEAP->incremental_marking(); |
| 1888 | marking->Abort(); |
| 1889 | marking->Start(); |
| 1890 | |
| 1891 | // The following two calls will increment HEAP->global_ic_age(). |
| 1892 | const int kLongIdlePauseInMs = 1000; |
| 1893 | v8::V8::ContextDisposedNotification(); |
| 1894 | v8::V8::IdleNotification(kLongIdlePauseInMs); |
| 1895 | |
| 1896 | while (!marking->IsStopped() && !marking->IsComplete()) { |
| 1897 | marking->Step(1 * MB, IncrementalMarking::NO_GC_VIA_STACK_GUARD); |
| 1898 | } |
danno@chromium.org | 2c26cb1 | 2012-05-03 09:06:43 +0000 | [diff] [blame] | 1899 | if (!marking->IsStopped() || marking->should_hurry()) { |
| 1900 | // We don't normally finish a GC via Step(), we normally finish by |
| 1901 | // setting the stack guard and then do the final steps in the stack |
| 1902 | // guard interrupt. But here we didn't ask for that, and there is no |
| 1903 | // JS code running to trigger the interrupt, so we explicitly finalize |
| 1904 | // here. |
| 1905 | HEAP->CollectAllGarbage(Heap::kNoGCFlags, |
| 1906 | "Test finalizing incremental mark-sweep"); |
| 1907 | } |
fschneider@chromium.org | 7d10be5 | 2012-04-10 12:30:14 +0000 | [diff] [blame] | 1908 | |
| 1909 | CHECK_EQ(HEAP->global_ic_age(), f->shared()->ic_age()); |
| 1910 | CHECK_EQ(0, f->shared()->opt_count()); |
| 1911 | CHECK_EQ(0, f->shared()->code()->profiler_ticks()); |
| 1912 | } |
| 1913 | |
| 1914 | |
| 1915 | TEST(ResetSharedFunctionInfoCountersDuringMarkSweep) { |
| 1916 | i::FLAG_allow_natives_syntax = true; |
svenpanne@chromium.org | c859c4f | 2012-10-15 11:51:39 +0000 | [diff] [blame] | 1917 | #ifdef VERIFY_HEAP |
fschneider@chromium.org | 7d10be5 | 2012-04-10 12:30:14 +0000 | [diff] [blame] | 1918 | i::FLAG_verify_heap = true; |
| 1919 | #endif |
svenpanne@chromium.org | c859c4f | 2012-10-15 11:51:39 +0000 | [diff] [blame] | 1920 | |
fschneider@chromium.org | 7d10be5 | 2012-04-10 12:30:14 +0000 | [diff] [blame] | 1921 | InitializeVM(); |
| 1922 | if (!i::V8::UseCrankshaft()) return; |
| 1923 | v8::HandleScope outer_scope; |
| 1924 | |
| 1925 | { |
| 1926 | v8::HandleScope scope; |
| 1927 | CompileRun( |
| 1928 | "function f () {" |
| 1929 | " var s = 0;" |
| 1930 | " for (var i = 0; i < 100; i++) s += i;" |
| 1931 | " return s;" |
| 1932 | "}" |
| 1933 | "f(); f();" |
| 1934 | "%OptimizeFunctionOnNextCall(f);" |
| 1935 | "f();"); |
| 1936 | } |
| 1937 | Handle<JSFunction> f = |
| 1938 | v8::Utils::OpenHandle( |
| 1939 | *v8::Handle<v8::Function>::Cast( |
| 1940 | v8::Context::GetCurrent()->Global()->Get(v8_str("f")))); |
| 1941 | CHECK(f->IsOptimized()); |
| 1942 | |
| 1943 | HEAP->incremental_marking()->Abort(); |
| 1944 | |
| 1945 | // The following two calls will increment HEAP->global_ic_age(). |
| 1946 | // Since incremental marking is off, IdleNotification will do full GC. |
| 1947 | const int kLongIdlePauseInMs = 1000; |
| 1948 | v8::V8::ContextDisposedNotification(); |
| 1949 | v8::V8::IdleNotification(kLongIdlePauseInMs); |
| 1950 | |
| 1951 | CHECK_EQ(HEAP->global_ic_age(), f->shared()->ic_age()); |
| 1952 | CHECK_EQ(0, f->shared()->opt_count()); |
| 1953 | CHECK_EQ(0, f->shared()->code()->profiler_ticks()); |
| 1954 | } |
| 1955 | |
| 1956 | |
| 1957 | // Test that HAllocateObject will always return an object in new-space. |
| 1958 | TEST(OptimizedAllocationAlwaysInNewSpace) { |
| 1959 | i::FLAG_allow_natives_syntax = true; |
| 1960 | InitializeVM(); |
| 1961 | if (!i::V8::UseCrankshaft() || i::FLAG_always_opt) return; |
jkummerow@chromium.org | 5323a9c | 2012-12-10 19:00:50 +0000 | [diff] [blame] | 1962 | if (i::FLAG_gc_global || i::FLAG_stress_compaction) return; |
fschneider@chromium.org | 7d10be5 | 2012-04-10 12:30:14 +0000 | [diff] [blame] | 1963 | v8::HandleScope scope; |
| 1964 | |
svenpanne@chromium.org | 83130cf | 2012-11-30 10:13:25 +0000 | [diff] [blame] | 1965 | SimulateFullSpace(HEAP->new_space()); |
fschneider@chromium.org | 7d10be5 | 2012-04-10 12:30:14 +0000 | [diff] [blame] | 1966 | AlwaysAllocateScope always_allocate; |
| 1967 | v8::Local<v8::Value> res = CompileRun( |
| 1968 | "function c(x) {" |
| 1969 | " this.x = x;" |
| 1970 | " for (var i = 0; i < 32; i++) {" |
| 1971 | " this['x' + i] = x;" |
| 1972 | " }" |
| 1973 | "}" |
| 1974 | "function f(x) { return new c(x); };" |
| 1975 | "f(1); f(2); f(3);" |
| 1976 | "%OptimizeFunctionOnNextCall(f);" |
| 1977 | "f(4);"); |
| 1978 | CHECK_EQ(4, res->ToObject()->GetRealNamedProperty(v8_str("x"))->Int32Value()); |
| 1979 | |
| 1980 | Handle<JSObject> o = |
| 1981 | v8::Utils::OpenHandle(*v8::Handle<v8::Object>::Cast(res)); |
| 1982 | |
| 1983 | CHECK(HEAP->InNewSpace(*o)); |
| 1984 | } |
yangguo@chromium.org | 5f0b8ea | 2012-05-16 12:37:04 +0000 | [diff] [blame] | 1985 | |
| 1986 | |
| 1987 | static int CountMapTransitions(Map* map) { |
yangguo@chromium.org | 99aa490 | 2012-07-06 16:21:55 +0000 | [diff] [blame] | 1988 | return map->transitions()->number_of_transitions(); |
yangguo@chromium.org | 5f0b8ea | 2012-05-16 12:37:04 +0000 | [diff] [blame] | 1989 | } |
| 1990 | |
| 1991 | |
mstarzinger@chromium.org | 471f2f1 | 2012-08-10 14:46:33 +0000 | [diff] [blame] | 1992 | // Test that map transitions are cleared and maps are collected with |
| 1993 | // incremental marking as well. |
| 1994 | TEST(Regress1465) { |
| 1995 | i::FLAG_allow_natives_syntax = true; |
| 1996 | i::FLAG_trace_incremental_marking = true; |
| 1997 | InitializeVM(); |
| 1998 | v8::HandleScope scope; |
| 1999 | static const int transitions_count = 256; |
| 2000 | |
| 2001 | { |
| 2002 | AlwaysAllocateScope always_allocate; |
| 2003 | for (int i = 0; i < transitions_count; i++) { |
| 2004 | EmbeddedVector<char, 64> buffer; |
| 2005 | OS::SNPrintF(buffer, "var o = new Object; o.prop%d = %d;", i, i); |
| 2006 | CompileRun(buffer.start()); |
| 2007 | } |
| 2008 | CompileRun("var root = new Object;"); |
| 2009 | } |
| 2010 | |
| 2011 | Handle<JSObject> root = |
| 2012 | v8::Utils::OpenHandle( |
| 2013 | *v8::Handle<v8::Object>::Cast( |
| 2014 | v8::Context::GetCurrent()->Global()->Get(v8_str("root")))); |
| 2015 | |
| 2016 | // Count number of live transitions before marking. |
| 2017 | int transitions_before = CountMapTransitions(root->map()); |
| 2018 | CompileRun("%DebugPrint(root);"); |
| 2019 | CHECK_EQ(transitions_count, transitions_before); |
| 2020 | |
| 2021 | SimulateIncrementalMarking(); |
yangguo@chromium.org | 5f0b8ea | 2012-05-16 12:37:04 +0000 | [diff] [blame] | 2022 | HEAP->CollectAllGarbage(Heap::kNoGCFlags); |
yangguo@chromium.org | 5f0b8ea | 2012-05-16 12:37:04 +0000 | [diff] [blame] | 2023 | |
| 2024 | // Count number of live transitions after marking. Note that one transition |
| 2025 | // is left, because 'o' still holds an instance of one transition target. |
| 2026 | int transitions_after = CountMapTransitions(root->map()); |
| 2027 | CompileRun("%DebugPrint(root);"); |
| 2028 | CHECK_EQ(1, transitions_after); |
| 2029 | } |
verwaest@chromium.org | 3714139 | 2012-05-31 13:27:02 +0000 | [diff] [blame] | 2030 | |
| 2031 | |
| 2032 | TEST(Regress2143a) { |
| 2033 | i::FLAG_collect_maps = true; |
| 2034 | i::FLAG_incremental_marking = true; |
| 2035 | InitializeVM(); |
| 2036 | v8::HandleScope scope; |
| 2037 | |
| 2038 | // Prepare a map transition from the root object together with a yet |
| 2039 | // untransitioned root object. |
| 2040 | CompileRun("var root = new Object;" |
| 2041 | "root.foo = 0;" |
| 2042 | "root = new Object;"); |
| 2043 | |
mstarzinger@chromium.org | 471f2f1 | 2012-08-10 14:46:33 +0000 | [diff] [blame] | 2044 | SimulateIncrementalMarking(); |
verwaest@chromium.org | 3714139 | 2012-05-31 13:27:02 +0000 | [diff] [blame] | 2045 | |
| 2046 | // Compile a StoreIC that performs the prepared map transition. This |
| 2047 | // will restart incremental marking and should make sure the root is |
| 2048 | // marked grey again. |
| 2049 | CompileRun("function f(o) {" |
| 2050 | " o.foo = 0;" |
| 2051 | "}" |
| 2052 | "f(new Object);" |
| 2053 | "f(root);"); |
| 2054 | |
| 2055 | // This bug only triggers with aggressive IC clearing. |
| 2056 | HEAP->AgeInlineCaches(); |
| 2057 | |
| 2058 | // Explicitly request GC to perform final marking step and sweeping. |
| 2059 | HEAP->CollectAllGarbage(Heap::kNoGCFlags); |
verwaest@chromium.org | 3714139 | 2012-05-31 13:27:02 +0000 | [diff] [blame] | 2060 | |
| 2061 | Handle<JSObject> root = |
| 2062 | v8::Utils::OpenHandle( |
| 2063 | *v8::Handle<v8::Object>::Cast( |
| 2064 | v8::Context::GetCurrent()->Global()->Get(v8_str("root")))); |
| 2065 | |
| 2066 | // The root object should be in a sane state. |
| 2067 | CHECK(root->IsJSObject()); |
| 2068 | CHECK(root->map()->IsMap()); |
| 2069 | } |
| 2070 | |
| 2071 | |
| 2072 | TEST(Regress2143b) { |
| 2073 | i::FLAG_collect_maps = true; |
| 2074 | i::FLAG_incremental_marking = true; |
| 2075 | i::FLAG_allow_natives_syntax = true; |
| 2076 | InitializeVM(); |
| 2077 | v8::HandleScope scope; |
| 2078 | |
| 2079 | // Prepare a map transition from the root object together with a yet |
| 2080 | // untransitioned root object. |
| 2081 | CompileRun("var root = new Object;" |
| 2082 | "root.foo = 0;" |
| 2083 | "root = new Object;"); |
| 2084 | |
mstarzinger@chromium.org | 471f2f1 | 2012-08-10 14:46:33 +0000 | [diff] [blame] | 2085 | SimulateIncrementalMarking(); |
verwaest@chromium.org | 3714139 | 2012-05-31 13:27:02 +0000 | [diff] [blame] | 2086 | |
| 2087 | // Compile an optimized LStoreNamedField that performs the prepared |
| 2088 | // map transition. This will restart incremental marking and should |
| 2089 | // make sure the root is marked grey again. |
| 2090 | CompileRun("function f(o) {" |
| 2091 | " o.foo = 0;" |
| 2092 | "}" |
| 2093 | "f(new Object);" |
| 2094 | "f(new Object);" |
| 2095 | "%OptimizeFunctionOnNextCall(f);" |
| 2096 | "f(root);" |
| 2097 | "%DeoptimizeFunction(f);"); |
| 2098 | |
| 2099 | // This bug only triggers with aggressive IC clearing. |
| 2100 | HEAP->AgeInlineCaches(); |
| 2101 | |
| 2102 | // Explicitly request GC to perform final marking step and sweeping. |
| 2103 | HEAP->CollectAllGarbage(Heap::kNoGCFlags); |
verwaest@chromium.org | 3714139 | 2012-05-31 13:27:02 +0000 | [diff] [blame] | 2104 | |
| 2105 | Handle<JSObject> root = |
| 2106 | v8::Utils::OpenHandle( |
| 2107 | *v8::Handle<v8::Object>::Cast( |
| 2108 | v8::Context::GetCurrent()->Global()->Get(v8_str("root")))); |
| 2109 | |
| 2110 | // The root object should be in a sane state. |
| 2111 | CHECK(root->IsJSObject()); |
| 2112 | CHECK(root->map()->IsMap()); |
| 2113 | } |
yangguo@chromium.org | de0db00 | 2012-06-22 13:44:28 +0000 | [diff] [blame] | 2114 | |
| 2115 | |
yangguo@chromium.org | de0db00 | 2012-06-22 13:44:28 +0000 | [diff] [blame] | 2116 | TEST(ReleaseOverReservedPages) { |
| 2117 | i::FLAG_trace_gc = true; |
jkummerow@chromium.org | 000f7fb | 2012-08-01 11:14:42 +0000 | [diff] [blame] | 2118 | // The optimizer can allocate stuff, messing up the test. |
| 2119 | i::FLAG_crankshaft = false; |
| 2120 | i::FLAG_always_opt = false; |
yangguo@chromium.org | de0db00 | 2012-06-22 13:44:28 +0000 | [diff] [blame] | 2121 | InitializeVM(); |
| 2122 | v8::HandleScope scope; |
| 2123 | static const int number_of_test_pages = 20; |
| 2124 | |
| 2125 | // Prepare many pages with low live-bytes count. |
| 2126 | PagedSpace* old_pointer_space = HEAP->old_pointer_space(); |
| 2127 | CHECK_EQ(1, old_pointer_space->CountTotalPages()); |
| 2128 | for (int i = 0; i < number_of_test_pages; i++) { |
| 2129 | AlwaysAllocateScope always_allocate; |
| 2130 | SimulateFullSpace(old_pointer_space); |
| 2131 | FACTORY->NewFixedArray(1, TENURED); |
| 2132 | } |
| 2133 | CHECK_EQ(number_of_test_pages + 1, old_pointer_space->CountTotalPages()); |
| 2134 | |
| 2135 | // Triggering one GC will cause a lot of garbage to be discovered but |
| 2136 | // even spread across all allocated pages. |
| 2137 | HEAP->CollectAllGarbage(Heap::kNoGCFlags, "triggered for preparation"); |
jkummerow@chromium.org | 5323a9c | 2012-12-10 19:00:50 +0000 | [diff] [blame] | 2138 | CHECK_GE(number_of_test_pages + 1, old_pointer_space->CountTotalPages()); |
yangguo@chromium.org | de0db00 | 2012-06-22 13:44:28 +0000 | [diff] [blame] | 2139 | |
| 2140 | // Triggering subsequent GCs should cause at least half of the pages |
| 2141 | // to be released to the OS after at most two cycles. |
| 2142 | HEAP->CollectAllGarbage(Heap::kNoGCFlags, "triggered by test 1"); |
| 2143 | CHECK_GE(number_of_test_pages + 1, old_pointer_space->CountTotalPages()); |
| 2144 | HEAP->CollectAllGarbage(Heap::kNoGCFlags, "triggered by test 2"); |
| 2145 | CHECK_GE(number_of_test_pages + 1, old_pointer_space->CountTotalPages() * 2); |
| 2146 | |
ulan@chromium.org | 56c14af | 2012-09-20 12:51:09 +0000 | [diff] [blame] | 2147 | // Triggering a last-resort GC should cause all pages to be released to the |
| 2148 | // OS so that other processes can seize the memory. If we get a failure here |
| 2149 | // where there are 2 pages left instead of 1, then we should increase the |
| 2150 | // size of the first page a little in SizeOfFirstPage in spaces.cc. The |
| 2151 | // first page should be small in order to reduce memory used when the VM |
| 2152 | // boots, but if the 20 small arrays don't fit on the first page then that's |
| 2153 | // an indication that it is too small. |
yangguo@chromium.org | de0db00 | 2012-06-22 13:44:28 +0000 | [diff] [blame] | 2154 | HEAP->CollectAllAvailableGarbage("triggered really hard"); |
| 2155 | CHECK_EQ(1, old_pointer_space->CountTotalPages()); |
| 2156 | } |
yangguo@chromium.org | 304cc33 | 2012-07-24 07:59:48 +0000 | [diff] [blame] | 2157 | |
| 2158 | |
| 2159 | TEST(Regress2237) { |
| 2160 | InitializeVM(); |
| 2161 | v8::HandleScope scope; |
| 2162 | Handle<String> slice(HEAP->empty_string()); |
| 2163 | |
| 2164 | { |
| 2165 | // Generate a parent that lives in new-space. |
| 2166 | v8::HandleScope inner_scope; |
| 2167 | const char* c = "This text is long enough to trigger sliced strings."; |
| 2168 | Handle<String> s = FACTORY->NewStringFromAscii(CStrVector(c)); |
yangguo@chromium.org | fb37721 | 2012-11-16 14:43:43 +0000 | [diff] [blame] | 2169 | CHECK(s->IsSeqOneByteString()); |
yangguo@chromium.org | 304cc33 | 2012-07-24 07:59:48 +0000 | [diff] [blame] | 2170 | CHECK(HEAP->InNewSpace(*s)); |
| 2171 | |
| 2172 | // Generate a sliced string that is based on the above parent and |
| 2173 | // lives in old-space. |
svenpanne@chromium.org | 83130cf | 2012-11-30 10:13:25 +0000 | [diff] [blame] | 2174 | SimulateFullSpace(HEAP->new_space()); |
yangguo@chromium.org | 304cc33 | 2012-07-24 07:59:48 +0000 | [diff] [blame] | 2175 | AlwaysAllocateScope always_allocate; |
svenpanne@chromium.org | 83130cf | 2012-11-30 10:13:25 +0000 | [diff] [blame] | 2176 | Handle<String> t = FACTORY->NewProperSubString(s, 5, 35); |
yangguo@chromium.org | 304cc33 | 2012-07-24 07:59:48 +0000 | [diff] [blame] | 2177 | CHECK(t->IsSlicedString()); |
| 2178 | CHECK(!HEAP->InNewSpace(*t)); |
| 2179 | *slice.location() = *t.location(); |
| 2180 | } |
| 2181 | |
yangguo@chromium.org | fb37721 | 2012-11-16 14:43:43 +0000 | [diff] [blame] | 2182 | CHECK(SlicedString::cast(*slice)->parent()->IsSeqOneByteString()); |
yangguo@chromium.org | 304cc33 | 2012-07-24 07:59:48 +0000 | [diff] [blame] | 2183 | HEAP->CollectAllGarbage(Heap::kNoGCFlags); |
yangguo@chromium.org | fb37721 | 2012-11-16 14:43:43 +0000 | [diff] [blame] | 2184 | CHECK(SlicedString::cast(*slice)->parent()->IsSeqOneByteString()); |
yangguo@chromium.org | 304cc33 | 2012-07-24 07:59:48 +0000 | [diff] [blame] | 2185 | } |
ulan@chromium.org | ea52b5f | 2012-07-30 13:05:33 +0000 | [diff] [blame] | 2186 | |
| 2187 | |
| 2188 | #ifdef OBJECT_PRINT |
| 2189 | TEST(PrintSharedFunctionInfo) { |
| 2190 | InitializeVM(); |
| 2191 | v8::HandleScope scope; |
| 2192 | const char* source = "f = function() { return 987654321; }\n" |
| 2193 | "g = function() { return 123456789; }\n"; |
| 2194 | CompileRun(source); |
| 2195 | Handle<JSFunction> g = |
| 2196 | v8::Utils::OpenHandle( |
| 2197 | *v8::Handle<v8::Function>::Cast( |
| 2198 | v8::Context::GetCurrent()->Global()->Get(v8_str("g")))); |
| 2199 | |
| 2200 | AssertNoAllocation no_alloc; |
| 2201 | g->shared()->PrintLn(); |
| 2202 | } |
| 2203 | #endif // OBJECT_PRINT |
jkummerow@chromium.org | 000f7fb | 2012-08-01 11:14:42 +0000 | [diff] [blame] | 2204 | |
| 2205 | |
| 2206 | TEST(Regress2211) { |
| 2207 | InitializeVM(); |
| 2208 | v8::HandleScope scope; |
| 2209 | |
| 2210 | v8::Handle<v8::String> value = v8_str("val string"); |
| 2211 | Smi* hash = Smi::FromInt(321); |
| 2212 | Heap* heap = Isolate::Current()->heap(); |
| 2213 | |
| 2214 | for (int i = 0; i < 2; i++) { |
| 2215 | // Store identity hash first and common hidden property second. |
| 2216 | v8::Handle<v8::Object> obj = v8::Object::New(); |
| 2217 | Handle<JSObject> internal_obj = v8::Utils::OpenHandle(*obj); |
| 2218 | CHECK(internal_obj->HasFastProperties()); |
| 2219 | |
| 2220 | // In the first iteration, set hidden value first and identity hash second. |
| 2221 | // In the second iteration, reverse the order. |
| 2222 | if (i == 0) obj->SetHiddenValue(v8_str("key string"), value); |
| 2223 | MaybeObject* maybe_obj = internal_obj->SetIdentityHash(hash, |
| 2224 | ALLOW_CREATION); |
| 2225 | CHECK(!maybe_obj->IsFailure()); |
| 2226 | if (i == 1) obj->SetHiddenValue(v8_str("key string"), value); |
| 2227 | |
| 2228 | // Check values. |
| 2229 | CHECK_EQ(hash, |
| 2230 | internal_obj->GetHiddenProperty(heap->identity_hash_symbol())); |
| 2231 | CHECK(value->Equals(obj->GetHiddenValue(v8_str("key string")))); |
| 2232 | |
| 2233 | // Check size. |
| 2234 | DescriptorArray* descriptors = internal_obj->map()->instance_descriptors(); |
| 2235 | ObjectHashTable* hashtable = ObjectHashTable::cast( |
| 2236 | internal_obj->FastPropertyAt(descriptors->GetFieldIndex(0))); |
| 2237 | // HashTable header (5) and 4 initial entries (8). |
| 2238 | CHECK_LE(hashtable->SizeFor(hashtable->length()), 13 * kPointerSize); |
| 2239 | } |
| 2240 | } |
mstarzinger@chromium.org | 471f2f1 | 2012-08-10 14:46:33 +0000 | [diff] [blame] | 2241 | |
| 2242 | |
| 2243 | TEST(IncrementalMarkingClearsTypeFeedbackCells) { |
| 2244 | if (i::FLAG_always_opt) return; |
| 2245 | InitializeVM(); |
| 2246 | v8::HandleScope scope; |
| 2247 | v8::Local<v8::Value> fun1, fun2; |
| 2248 | |
| 2249 | { |
| 2250 | LocalContext env; |
| 2251 | CompileRun("function fun() {};"); |
| 2252 | fun1 = env->Global()->Get(v8_str("fun")); |
| 2253 | } |
| 2254 | |
| 2255 | { |
| 2256 | LocalContext env; |
| 2257 | CompileRun("function fun() {};"); |
| 2258 | fun2 = env->Global()->Get(v8_str("fun")); |
| 2259 | } |
| 2260 | |
| 2261 | // Prepare function f that contains type feedback for closures |
yangguo@chromium.org | 46839fb | 2012-08-28 09:06:19 +0000 | [diff] [blame] | 2262 | // originating from two different native contexts. |
mstarzinger@chromium.org | 471f2f1 | 2012-08-10 14:46:33 +0000 | [diff] [blame] | 2263 | v8::Context::GetCurrent()->Global()->Set(v8_str("fun1"), fun1); |
| 2264 | v8::Context::GetCurrent()->Global()->Set(v8_str("fun2"), fun2); |
| 2265 | CompileRun("function f(a, b) { a(); b(); } f(fun1, fun2);"); |
| 2266 | Handle<JSFunction> f = |
| 2267 | v8::Utils::OpenHandle( |
| 2268 | *v8::Handle<v8::Function>::Cast( |
| 2269 | v8::Context::GetCurrent()->Global()->Get(v8_str("f")))); |
| 2270 | Handle<TypeFeedbackCells> cells(TypeFeedbackInfo::cast( |
| 2271 | f->shared()->code()->type_feedback_info())->type_feedback_cells()); |
| 2272 | |
| 2273 | CHECK_EQ(2, cells->CellCount()); |
| 2274 | CHECK(cells->Cell(0)->value()->IsJSFunction()); |
| 2275 | CHECK(cells->Cell(1)->value()->IsJSFunction()); |
| 2276 | |
| 2277 | SimulateIncrementalMarking(); |
| 2278 | HEAP->CollectAllGarbage(Heap::kNoGCFlags); |
| 2279 | |
| 2280 | CHECK_EQ(2, cells->CellCount()); |
| 2281 | CHECK(cells->Cell(0)->value()->IsTheHole()); |
| 2282 | CHECK(cells->Cell(1)->value()->IsTheHole()); |
| 2283 | } |
| 2284 | |
| 2285 | |
| 2286 | static Code* FindFirstIC(Code* code, Code::Kind kind) { |
| 2287 | int mask = RelocInfo::ModeMask(RelocInfo::CODE_TARGET) | |
| 2288 | RelocInfo::ModeMask(RelocInfo::CONSTRUCT_CALL) | |
| 2289 | RelocInfo::ModeMask(RelocInfo::CODE_TARGET_WITH_ID) | |
| 2290 | RelocInfo::ModeMask(RelocInfo::CODE_TARGET_CONTEXT); |
| 2291 | for (RelocIterator it(code, mask); !it.done(); it.next()) { |
| 2292 | RelocInfo* info = it.rinfo(); |
| 2293 | Code* target = Code::GetCodeFromTargetAddress(info->target_address()); |
| 2294 | if (target->is_inline_cache_stub() && target->kind() == kind) { |
| 2295 | return target; |
| 2296 | } |
| 2297 | } |
| 2298 | return NULL; |
| 2299 | } |
| 2300 | |
| 2301 | |
| 2302 | TEST(IncrementalMarkingPreservesMonomorhpicIC) { |
| 2303 | if (i::FLAG_always_opt) return; |
| 2304 | InitializeVM(); |
| 2305 | v8::HandleScope scope; |
| 2306 | |
| 2307 | // Prepare function f that contains a monomorphic IC for object |
yangguo@chromium.org | 46839fb | 2012-08-28 09:06:19 +0000 | [diff] [blame] | 2308 | // originating from the same native context. |
mstarzinger@chromium.org | 471f2f1 | 2012-08-10 14:46:33 +0000 | [diff] [blame] | 2309 | CompileRun("function fun() { this.x = 1; }; var obj = new fun();" |
| 2310 | "function f(o) { return o.x; } f(obj); f(obj);"); |
| 2311 | Handle<JSFunction> f = |
| 2312 | v8::Utils::OpenHandle( |
| 2313 | *v8::Handle<v8::Function>::Cast( |
| 2314 | v8::Context::GetCurrent()->Global()->Get(v8_str("f")))); |
| 2315 | |
| 2316 | Code* ic_before = FindFirstIC(f->shared()->code(), Code::LOAD_IC); |
| 2317 | CHECK(ic_before->ic_state() == MONOMORPHIC); |
| 2318 | |
mstarzinger@chromium.org | 471f2f1 | 2012-08-10 14:46:33 +0000 | [diff] [blame] | 2319 | SimulateIncrementalMarking(); |
| 2320 | HEAP->CollectAllGarbage(Heap::kNoGCFlags); |
| 2321 | |
| 2322 | Code* ic_after = FindFirstIC(f->shared()->code(), Code::LOAD_IC); |
| 2323 | CHECK(ic_after->ic_state() == MONOMORPHIC); |
| 2324 | } |
| 2325 | |
| 2326 | |
| 2327 | TEST(IncrementalMarkingClearsMonomorhpicIC) { |
| 2328 | if (i::FLAG_always_opt) return; |
| 2329 | InitializeVM(); |
| 2330 | v8::HandleScope scope; |
| 2331 | v8::Local<v8::Value> obj1; |
| 2332 | |
| 2333 | { |
| 2334 | LocalContext env; |
| 2335 | CompileRun("function fun() { this.x = 1; }; var obj = new fun();"); |
| 2336 | obj1 = env->Global()->Get(v8_str("obj")); |
| 2337 | } |
| 2338 | |
| 2339 | // Prepare function f that contains a monomorphic IC for object |
yangguo@chromium.org | 46839fb | 2012-08-28 09:06:19 +0000 | [diff] [blame] | 2340 | // originating from a different native context. |
mstarzinger@chromium.org | 471f2f1 | 2012-08-10 14:46:33 +0000 | [diff] [blame] | 2341 | v8::Context::GetCurrent()->Global()->Set(v8_str("obj1"), obj1); |
| 2342 | CompileRun("function f(o) { return o.x; } f(obj1); f(obj1);"); |
| 2343 | Handle<JSFunction> f = |
| 2344 | v8::Utils::OpenHandle( |
| 2345 | *v8::Handle<v8::Function>::Cast( |
| 2346 | v8::Context::GetCurrent()->Global()->Get(v8_str("f")))); |
| 2347 | |
| 2348 | Code* ic_before = FindFirstIC(f->shared()->code(), Code::LOAD_IC); |
| 2349 | CHECK(ic_before->ic_state() == MONOMORPHIC); |
| 2350 | |
| 2351 | // Fire context dispose notification. |
| 2352 | v8::V8::ContextDisposedNotification(); |
| 2353 | SimulateIncrementalMarking(); |
| 2354 | HEAP->CollectAllGarbage(Heap::kNoGCFlags); |
| 2355 | |
| 2356 | Code* ic_after = FindFirstIC(f->shared()->code(), Code::LOAD_IC); |
| 2357 | CHECK(ic_after->ic_state() == UNINITIALIZED); |
| 2358 | } |
| 2359 | |
| 2360 | |
| 2361 | TEST(IncrementalMarkingClearsPolymorhpicIC) { |
| 2362 | if (i::FLAG_always_opt) return; |
| 2363 | InitializeVM(); |
| 2364 | v8::HandleScope scope; |
| 2365 | v8::Local<v8::Value> obj1, obj2; |
| 2366 | |
| 2367 | { |
| 2368 | LocalContext env; |
| 2369 | CompileRun("function fun() { this.x = 1; }; var obj = new fun();"); |
| 2370 | obj1 = env->Global()->Get(v8_str("obj")); |
| 2371 | } |
| 2372 | |
| 2373 | { |
| 2374 | LocalContext env; |
| 2375 | CompileRun("function fun() { this.x = 2; }; var obj = new fun();"); |
| 2376 | obj2 = env->Global()->Get(v8_str("obj")); |
| 2377 | } |
| 2378 | |
| 2379 | // Prepare function f that contains a polymorphic IC for objects |
yangguo@chromium.org | 46839fb | 2012-08-28 09:06:19 +0000 | [diff] [blame] | 2380 | // originating from two different native contexts. |
mstarzinger@chromium.org | 471f2f1 | 2012-08-10 14:46:33 +0000 | [diff] [blame] | 2381 | v8::Context::GetCurrent()->Global()->Set(v8_str("obj1"), obj1); |
| 2382 | v8::Context::GetCurrent()->Global()->Set(v8_str("obj2"), obj2); |
| 2383 | CompileRun("function f(o) { return o.x; } f(obj1); f(obj1); f(obj2);"); |
| 2384 | Handle<JSFunction> f = |
| 2385 | v8::Utils::OpenHandle( |
| 2386 | *v8::Handle<v8::Function>::Cast( |
| 2387 | v8::Context::GetCurrent()->Global()->Get(v8_str("f")))); |
| 2388 | |
| 2389 | Code* ic_before = FindFirstIC(f->shared()->code(), Code::LOAD_IC); |
| 2390 | CHECK(ic_before->ic_state() == MEGAMORPHIC); |
| 2391 | |
| 2392 | // Fire context dispose notification. |
| 2393 | v8::V8::ContextDisposedNotification(); |
| 2394 | SimulateIncrementalMarking(); |
| 2395 | HEAP->CollectAllGarbage(Heap::kNoGCFlags); |
| 2396 | |
| 2397 | Code* ic_after = FindFirstIC(f->shared()->code(), Code::LOAD_IC); |
| 2398 | CHECK(ic_after->ic_state() == UNINITIALIZED); |
| 2399 | } |
yangguo@chromium.org | 355cfd1 | 2012-08-29 15:32:24 +0000 | [diff] [blame] | 2400 | |
| 2401 | |
| 2402 | class SourceResource: public v8::String::ExternalAsciiStringResource { |
| 2403 | public: |
| 2404 | explicit SourceResource(const char* data) |
| 2405 | : data_(data), length_(strlen(data)) { } |
| 2406 | |
| 2407 | virtual void Dispose() { |
| 2408 | i::DeleteArray(data_); |
| 2409 | data_ = NULL; |
| 2410 | } |
| 2411 | |
| 2412 | const char* data() const { return data_; } |
| 2413 | |
| 2414 | size_t length() const { return length_; } |
| 2415 | |
| 2416 | bool IsDisposed() { return data_ == NULL; } |
| 2417 | |
| 2418 | private: |
| 2419 | const char* data_; |
| 2420 | size_t length_; |
| 2421 | }; |
| 2422 | |
| 2423 | |
yangguo@chromium.org | eeb44b6 | 2012-11-13 13:56:09 +0000 | [diff] [blame] | 2424 | void ReleaseStackTraceDataTest(const char* source) { |
yangguo@chromium.org | 355cfd1 | 2012-08-29 15:32:24 +0000 | [diff] [blame] | 2425 | // Test that the data retained by the Error.stack accessor is released |
| 2426 | // after the first time the accessor is fired. We use external string |
| 2427 | // to check whether the data is being released since the external string |
| 2428 | // resource's callback is fired when the external string is GC'ed. |
| 2429 | InitializeVM(); |
| 2430 | v8::HandleScope scope; |
yangguo@chromium.org | 355cfd1 | 2012-08-29 15:32:24 +0000 | [diff] [blame] | 2431 | SourceResource* resource = new SourceResource(i::StrDup(source)); |
| 2432 | { |
| 2433 | v8::HandleScope scope; |
| 2434 | v8::Handle<v8::String> source_string = v8::String::NewExternal(resource); |
| 2435 | v8::Script::Compile(source_string)->Run(); |
| 2436 | CHECK(!resource->IsDisposed()); |
| 2437 | } |
| 2438 | HEAP->CollectAllAvailableGarbage(); |
ulan@chromium.org | 4121f23 | 2012-12-27 15:57:11 +0000 | [diff] [blame] | 2439 | // External source is being retained by the stack trace. |
| 2440 | CHECK(!resource->IsDisposed()); |
yangguo@chromium.org | 355cfd1 | 2012-08-29 15:32:24 +0000 | [diff] [blame] | 2441 | |
ulan@chromium.org | 4121f23 | 2012-12-27 15:57:11 +0000 | [diff] [blame] | 2442 | CompileRun("error.stack;"); |
| 2443 | HEAP->CollectAllAvailableGarbage(); |
yangguo@chromium.org | 355cfd1 | 2012-08-29 15:32:24 +0000 | [diff] [blame] | 2444 | // External source has been released. |
| 2445 | CHECK(resource->IsDisposed()); |
yangguo@chromium.org | 355cfd1 | 2012-08-29 15:32:24 +0000 | [diff] [blame] | 2446 | delete resource; |
| 2447 | } |
verwaest@chromium.org | 33e09c8 | 2012-10-10 17:07:22 +0000 | [diff] [blame] | 2448 | |
| 2449 | |
yangguo@chromium.org | eeb44b6 | 2012-11-13 13:56:09 +0000 | [diff] [blame] | 2450 | TEST(ReleaseStackTraceData) { |
| 2451 | static const char* source1 = "var error = null; " |
| 2452 | /* Normal Error */ "try { " |
| 2453 | " throw new Error(); " |
| 2454 | "} catch (e) { " |
| 2455 | " error = e; " |
| 2456 | "} "; |
| 2457 | static const char* source2 = "var error = null; " |
| 2458 | /* Stack overflow */ "try { " |
| 2459 | " (function f() { f(); })(); " |
| 2460 | "} catch (e) { " |
| 2461 | " error = e; " |
| 2462 | "} "; |
| 2463 | ReleaseStackTraceDataTest(source1); |
| 2464 | ReleaseStackTraceDataTest(source2); |
| 2465 | } |
| 2466 | |
| 2467 | |
verwaest@chromium.org | 33e09c8 | 2012-10-10 17:07:22 +0000 | [diff] [blame] | 2468 | TEST(Regression144230) { |
| 2469 | InitializeVM(); |
| 2470 | v8::HandleScope scope; |
| 2471 | |
| 2472 | // First make sure that the uninitialized CallIC stub is on a single page |
| 2473 | // that will later be selected as an evacuation candidate. |
| 2474 | { |
| 2475 | v8::HandleScope inner_scope; |
| 2476 | AlwaysAllocateScope always_allocate; |
| 2477 | SimulateFullSpace(HEAP->code_space()); |
| 2478 | ISOLATE->stub_cache()->ComputeCallInitialize(9, RelocInfo::CODE_TARGET); |
| 2479 | } |
| 2480 | |
| 2481 | // Second compile a CallIC and execute it once so that it gets patched to |
| 2482 | // the pre-monomorphic stub. These code objects are on yet another page. |
| 2483 | { |
| 2484 | v8::HandleScope inner_scope; |
| 2485 | AlwaysAllocateScope always_allocate; |
| 2486 | SimulateFullSpace(HEAP->code_space()); |
| 2487 | CompileRun("var o = { f:function(a,b,c,d,e,f,g,h,i) {}};" |
| 2488 | "function call() { o.f(1,2,3,4,5,6,7,8,9); };" |
| 2489 | "call();"); |
| 2490 | } |
| 2491 | |
| 2492 | // Third we fill up the last page of the code space so that it does not get |
| 2493 | // chosen as an evacuation candidate. |
| 2494 | { |
| 2495 | v8::HandleScope inner_scope; |
| 2496 | AlwaysAllocateScope always_allocate; |
| 2497 | CompileRun("for (var i = 0; i < 2000; i++) {" |
| 2498 | " eval('function f' + i + '() { return ' + i +'; };' +" |
| 2499 | " 'f' + i + '();');" |
| 2500 | "}"); |
| 2501 | } |
| 2502 | HEAP->CollectAllGarbage(Heap::kNoGCFlags); |
| 2503 | |
| 2504 | // Fourth is the tricky part. Make sure the code containing the CallIC is |
| 2505 | // visited first without clearing the IC. The shared function info is then |
| 2506 | // visited later, causing the CallIC to be cleared. |
yangguo@chromium.org | a6bbcc8 | 2012-12-21 12:35:02 +0000 | [diff] [blame] | 2507 | Handle<String> name = FACTORY->LookupUtf8Symbol("call"); |
verwaest@chromium.org | 33e09c8 | 2012-10-10 17:07:22 +0000 | [diff] [blame] | 2508 | Handle<GlobalObject> global(ISOLATE->context()->global_object()); |
| 2509 | MaybeObject* maybe_call = global->GetProperty(*name); |
| 2510 | JSFunction* call = JSFunction::cast(maybe_call->ToObjectChecked()); |
| 2511 | USE(global->SetProperty(*name, Smi::FromInt(0), NONE, kNonStrictMode)); |
| 2512 | ISOLATE->compilation_cache()->Clear(); |
| 2513 | call->shared()->set_ic_age(HEAP->global_ic_age() + 1); |
| 2514 | Handle<Object> call_code(call->code()); |
| 2515 | Handle<Object> call_function(call); |
| 2516 | |
| 2517 | // Now we are ready to mess up the heap. |
| 2518 | HEAP->CollectAllGarbage(Heap::kReduceMemoryFootprintMask); |
| 2519 | |
| 2520 | // Either heap verification caught the problem already or we go kaboom once |
| 2521 | // the CallIC is executed the next time. |
| 2522 | USE(global->SetProperty(*name, *call_function, NONE, kNonStrictMode)); |
| 2523 | CompileRun("call();"); |
| 2524 | } |
mstarzinger@chromium.org | 32280cf | 2012-12-06 17:32:37 +0000 | [diff] [blame] | 2525 | |
| 2526 | |
| 2527 | TEST(Regress159140) { |
| 2528 | i::FLAG_allow_natives_syntax = true; |
| 2529 | i::FLAG_flush_code_incrementally = true; |
| 2530 | InitializeVM(); |
| 2531 | v8::HandleScope scope; |
| 2532 | |
| 2533 | // Perform one initial GC to enable code flushing. |
jkummerow@chromium.org | 5323a9c | 2012-12-10 19:00:50 +0000 | [diff] [blame] | 2534 | HEAP->CollectAllGarbage(Heap::kAbortIncrementalMarkingMask); |
mstarzinger@chromium.org | 32280cf | 2012-12-06 17:32:37 +0000 | [diff] [blame] | 2535 | |
| 2536 | // Prepare several closures that are all eligible for code flushing |
| 2537 | // because all reachable ones are not optimized. Make sure that the |
| 2538 | // optimized code object is directly reachable through a handle so |
| 2539 | // that it is marked black during incremental marking. |
| 2540 | Handle<Code> code; |
| 2541 | { |
| 2542 | HandleScope inner_scope; |
| 2543 | CompileRun("function h(x) {}" |
| 2544 | "function mkClosure() {" |
| 2545 | " return function(x) { return x + 1; };" |
| 2546 | "}" |
| 2547 | "var f = mkClosure();" |
| 2548 | "var g = mkClosure();" |
| 2549 | "f(1); f(2);" |
| 2550 | "g(1); g(2);" |
| 2551 | "h(1); h(2);" |
| 2552 | "%OptimizeFunctionOnNextCall(f); f(3);" |
| 2553 | "%OptimizeFunctionOnNextCall(h); h(3);"); |
| 2554 | |
| 2555 | Handle<JSFunction> f = |
| 2556 | v8::Utils::OpenHandle( |
| 2557 | *v8::Handle<v8::Function>::Cast( |
| 2558 | v8::Context::GetCurrent()->Global()->Get(v8_str("f")))); |
| 2559 | CHECK(f->is_compiled()); |
| 2560 | CompileRun("f = null;"); |
| 2561 | |
| 2562 | Handle<JSFunction> g = |
| 2563 | v8::Utils::OpenHandle( |
| 2564 | *v8::Handle<v8::Function>::Cast( |
| 2565 | v8::Context::GetCurrent()->Global()->Get(v8_str("g")))); |
| 2566 | CHECK(g->is_compiled()); |
| 2567 | const int kAgingThreshold = 6; |
| 2568 | for (int i = 0; i < kAgingThreshold; i++) { |
| 2569 | g->code()->MakeOlder(static_cast<MarkingParity>(i % 2)); |
| 2570 | } |
| 2571 | |
| 2572 | code = inner_scope.CloseAndEscape(Handle<Code>(f->code())); |
| 2573 | } |
| 2574 | |
| 2575 | // Simulate incremental marking so that the functions are enqueued as |
| 2576 | // code flushing candidates. Then optimize one function. Finally |
| 2577 | // finish the GC to complete code flushing. |
| 2578 | SimulateIncrementalMarking(); |
| 2579 | CompileRun("%OptimizeFunctionOnNextCall(g); g(3);"); |
| 2580 | HEAP->CollectAllGarbage(Heap::kNoGCFlags); |
| 2581 | |
| 2582 | // Unoptimized code is missing and the deoptimizer will go ballistic. |
| 2583 | CompileRun("g('bozo');"); |
| 2584 | } |
yangguo@chromium.org | a6bbcc8 | 2012-12-21 12:35:02 +0000 | [diff] [blame] | 2585 | |
| 2586 | |
| 2587 | TEST(Regress165495) { |
| 2588 | i::FLAG_allow_natives_syntax = true; |
| 2589 | i::FLAG_flush_code_incrementally = true; |
| 2590 | InitializeVM(); |
| 2591 | v8::HandleScope scope; |
| 2592 | |
| 2593 | // Perform one initial GC to enable code flushing. |
| 2594 | HEAP->CollectAllGarbage(Heap::kAbortIncrementalMarkingMask); |
| 2595 | |
| 2596 | // Prepare an optimized closure that the optimized code map will get |
| 2597 | // populated. Then age the unoptimized code to trigger code flushing |
| 2598 | // but make sure the optimized code is unreachable. |
| 2599 | { |
| 2600 | HandleScope inner_scope; |
| 2601 | CompileRun("function mkClosure() {" |
| 2602 | " return function(x) { return x + 1; };" |
| 2603 | "}" |
| 2604 | "var f = mkClosure();" |
| 2605 | "f(1); f(2);" |
| 2606 | "%OptimizeFunctionOnNextCall(f); f(3);"); |
| 2607 | |
| 2608 | Handle<JSFunction> f = |
| 2609 | v8::Utils::OpenHandle( |
| 2610 | *v8::Handle<v8::Function>::Cast( |
| 2611 | v8::Context::GetCurrent()->Global()->Get(v8_str("f")))); |
| 2612 | CHECK(f->is_compiled()); |
| 2613 | const int kAgingThreshold = 6; |
| 2614 | for (int i = 0; i < kAgingThreshold; i++) { |
| 2615 | f->shared()->code()->MakeOlder(static_cast<MarkingParity>(i % 2)); |
| 2616 | } |
| 2617 | |
| 2618 | CompileRun("f = null;"); |
| 2619 | } |
| 2620 | |
| 2621 | // Simulate incremental marking so that unoptimized code is flushed |
| 2622 | // even though it still is cached in the optimized code map. |
| 2623 | SimulateIncrementalMarking(); |
| 2624 | HEAP->CollectAllGarbage(Heap::kNoGCFlags); |
| 2625 | |
| 2626 | // Make a new closure that will get code installed from the code map. |
| 2627 | // Unoptimized code is missing and the deoptimizer will go ballistic. |
| 2628 | CompileRun("var g = mkClosure(); g('bozo');"); |
| 2629 | } |