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 | |
| 7 | #include "execution.h" |
| 8 | #include "factory.h" |
| 9 | #include "macro-assembler.h" |
| 10 | #include "global-handles.h" |
| 11 | #include "cctest.h" |
| 12 | |
| 13 | using namespace v8::internal; |
| 14 | |
| 15 | static v8::Persistent<v8::Context> env; |
| 16 | |
| 17 | static void InitializeVM() { |
| 18 | if (env.IsEmpty()) env = v8::Context::New(); |
| 19 | v8::HandleScope scope; |
| 20 | env->Enter(); |
| 21 | } |
| 22 | |
| 23 | |
| 24 | static void CheckMap(Map* map, int type, int instance_size) { |
| 25 | CHECK(map->IsHeapObject()); |
| 26 | #ifdef DEBUG |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 27 | CHECK(HEAP->Contains(map)); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 28 | #endif |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 29 | CHECK_EQ(HEAP->meta_map(), map->map()); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 30 | CHECK_EQ(type, map->instance_type()); |
| 31 | CHECK_EQ(instance_size, map->instance_size()); |
| 32 | } |
| 33 | |
| 34 | |
| 35 | TEST(HeapMaps) { |
| 36 | InitializeVM(); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 37 | CheckMap(HEAP->meta_map(), MAP_TYPE, Map::kSize); |
| 38 | CheckMap(HEAP->heap_number_map(), HEAP_NUMBER_TYPE, HeapNumber::kSize); |
| 39 | CheckMap(HEAP->fixed_array_map(), FIXED_ARRAY_TYPE, kVariableSizeSentinel); |
| 40 | CheckMap(HEAP->string_map(), STRING_TYPE, kVariableSizeSentinel); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 41 | } |
| 42 | |
| 43 | |
| 44 | static void CheckOddball(Object* obj, const char* string) { |
| 45 | CHECK(obj->IsOddball()); |
| 46 | bool exc; |
| 47 | Object* print_string = *Execution::ToString(Handle<Object>(obj), &exc); |
| 48 | CHECK(String::cast(print_string)->IsEqualTo(CStrVector(string))); |
| 49 | } |
| 50 | |
| 51 | |
| 52 | static void CheckSmi(int value, const char* string) { |
| 53 | bool exc; |
| 54 | Object* print_string = |
| 55 | *Execution::ToString(Handle<Object>(Smi::FromInt(value)), &exc); |
| 56 | CHECK(String::cast(print_string)->IsEqualTo(CStrVector(string))); |
| 57 | } |
| 58 | |
| 59 | |
| 60 | static void CheckNumber(double value, const char* string) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 61 | Object* obj = HEAP->NumberFromDouble(value)->ToObjectChecked(); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 62 | CHECK(obj->IsNumber()); |
| 63 | bool exc; |
| 64 | Object* print_string = *Execution::ToString(Handle<Object>(obj), &exc); |
| 65 | CHECK(String::cast(print_string)->IsEqualTo(CStrVector(string))); |
| 66 | } |
| 67 | |
| 68 | |
| 69 | static void CheckFindCodeObject() { |
| 70 | // Test FindCodeObject |
| 71 | #define __ assm. |
| 72 | |
kmillikin@chromium.org | c36ce6e | 2011-04-04 08:25:31 +0000 | [diff] [blame] | 73 | Assembler assm(Isolate::Current(), NULL, 0); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 74 | |
| 75 | __ nop(); // supported on all architectures |
| 76 | |
| 77 | CodeDesc desc; |
| 78 | assm.GetCode(&desc); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 79 | Object* code = HEAP->CreateCode( |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 80 | desc, |
| 81 | Code::ComputeFlags(Code::STUB), |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 82 | Handle<Object>(HEAP->undefined_value()))->ToObjectChecked(); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 83 | CHECK(code->IsCode()); |
| 84 | |
| 85 | HeapObject* obj = HeapObject::cast(code); |
| 86 | Address obj_addr = obj->address(); |
| 87 | |
| 88 | for (int i = 0; i < obj->Size(); i += kPointerSize) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 89 | Object* found = HEAP->FindCodeObject(obj_addr + i); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 90 | CHECK_EQ(code, found); |
| 91 | } |
| 92 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 93 | Object* copy = HEAP->CreateCode( |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 94 | desc, |
| 95 | Code::ComputeFlags(Code::STUB), |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 96 | Handle<Object>(HEAP->undefined_value()))->ToObjectChecked(); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 97 | CHECK(copy->IsCode()); |
| 98 | HeapObject* obj_copy = HeapObject::cast(copy); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 99 | Object* not_right = HEAP->FindCodeObject(obj_copy->address() + |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 100 | obj_copy->Size() / 2); |
| 101 | CHECK(not_right != code); |
| 102 | } |
| 103 | |
| 104 | |
| 105 | TEST(HeapObjects) { |
| 106 | InitializeVM(); |
| 107 | |
| 108 | v8::HandleScope sc; |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 109 | Object* value = HEAP->NumberFromDouble(1.000123)->ToObjectChecked(); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 110 | CHECK(value->IsHeapNumber()); |
| 111 | CHECK(value->IsNumber()); |
| 112 | CHECK_EQ(1.000123, value->Number()); |
| 113 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 114 | value = HEAP->NumberFromDouble(1.0)->ToObjectChecked(); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 115 | CHECK(value->IsSmi()); |
| 116 | CHECK(value->IsNumber()); |
| 117 | CHECK_EQ(1.0, value->Number()); |
| 118 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 119 | value = HEAP->NumberFromInt32(1024)->ToObjectChecked(); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 120 | CHECK(value->IsSmi()); |
| 121 | CHECK(value->IsNumber()); |
| 122 | CHECK_EQ(1024.0, value->Number()); |
| 123 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 124 | value = HEAP->NumberFromInt32(Smi::kMinValue)->ToObjectChecked(); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 125 | CHECK(value->IsSmi()); |
| 126 | CHECK(value->IsNumber()); |
| 127 | CHECK_EQ(Smi::kMinValue, Smi::cast(value)->value()); |
| 128 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 129 | value = HEAP->NumberFromInt32(Smi::kMaxValue)->ToObjectChecked(); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 130 | CHECK(value->IsSmi()); |
| 131 | CHECK(value->IsNumber()); |
| 132 | CHECK_EQ(Smi::kMaxValue, Smi::cast(value)->value()); |
| 133 | |
christian.plesner.hansen@gmail.com | 9d58c2b | 2009-10-16 11:48:38 +0000 | [diff] [blame] | 134 | #ifndef V8_TARGET_ARCH_X64 |
| 135 | // 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] | 136 | value = HEAP->NumberFromInt32(Smi::kMinValue - 1)->ToObjectChecked(); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 137 | CHECK(value->IsHeapNumber()); |
| 138 | CHECK(value->IsNumber()); |
| 139 | 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] | 140 | #endif |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 141 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 142 | MaybeObject* maybe_value = |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 143 | HEAP->NumberFromUint32(static_cast<uint32_t>(Smi::kMaxValue) + 1); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 144 | value = maybe_value->ToObjectChecked(); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 145 | CHECK(value->IsHeapNumber()); |
| 146 | CHECK(value->IsNumber()); |
christian.plesner.hansen@gmail.com | 9d58c2b | 2009-10-16 11:48:38 +0000 | [diff] [blame] | 147 | CHECK_EQ(static_cast<double>(static_cast<uint32_t>(Smi::kMaxValue) + 1), |
| 148 | value->Number()); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 149 | |
| 150 | // nan oddball checks |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 151 | CHECK(HEAP->nan_value()->IsNumber()); |
| 152 | CHECK(isnan(HEAP->nan_value()->Number())); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 153 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 154 | Handle<String> s = FACTORY->NewStringFromAscii(CStrVector("fisk hest ")); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 155 | CHECK(s->IsString()); |
| 156 | CHECK_EQ(10, s->length()); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 157 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 158 | String* object_symbol = String::cast(HEAP->Object_symbol()); |
| 159 | CHECK( |
| 160 | Isolate::Current()->context()->global()->HasLocalProperty(object_symbol)); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 161 | |
| 162 | // Check ToString for oddballs |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 163 | CheckOddball(HEAP->true_value(), "true"); |
| 164 | CheckOddball(HEAP->false_value(), "false"); |
| 165 | CheckOddball(HEAP->null_value(), "null"); |
| 166 | CheckOddball(HEAP->undefined_value(), "undefined"); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 167 | |
| 168 | // Check ToString for Smis |
| 169 | CheckSmi(0, "0"); |
| 170 | CheckSmi(42, "42"); |
| 171 | CheckSmi(-42, "-42"); |
| 172 | |
| 173 | // Check ToString for Numbers |
| 174 | CheckNumber(1.1, "1.1"); |
| 175 | |
| 176 | CheckFindCodeObject(); |
| 177 | } |
| 178 | |
| 179 | |
| 180 | TEST(Tagging) { |
| 181 | InitializeVM(); |
kasperl@chromium.org | 71affb5 | 2009-05-26 05:44:31 +0000 | [diff] [blame] | 182 | int request = 24; |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 183 | 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] | 184 | CHECK(Smi::FromInt(42)->IsSmi()); |
whesse@chromium.org | 4a5224e | 2010-10-20 12:37:07 +0000 | [diff] [blame] | 185 | CHECK(Failure::RetryAfterGC(NEW_SPACE)->IsFailure()); |
kasperl@chromium.org | 71affb5 | 2009-05-26 05:44:31 +0000 | [diff] [blame] | 186 | CHECK_EQ(NEW_SPACE, |
whesse@chromium.org | 4a5224e | 2010-10-20 12:37:07 +0000 | [diff] [blame] | 187 | Failure::RetryAfterGC(NEW_SPACE)->allocation_space()); |
ager@chromium.org | 9258b6b | 2008-09-11 09:11:10 +0000 | [diff] [blame] | 188 | CHECK_EQ(OLD_POINTER_SPACE, |
whesse@chromium.org | 4a5224e | 2010-10-20 12:37:07 +0000 | [diff] [blame] | 189 | Failure::RetryAfterGC(OLD_POINTER_SPACE)->allocation_space()); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 190 | CHECK(Failure::Exception()->IsFailure()); |
| 191 | CHECK(Smi::FromInt(Smi::kMinValue)->IsSmi()); |
| 192 | CHECK(Smi::FromInt(Smi::kMaxValue)->IsSmi()); |
| 193 | } |
| 194 | |
| 195 | |
| 196 | TEST(GarbageCollection) { |
| 197 | InitializeVM(); |
| 198 | |
| 199 | v8::HandleScope sc; |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 200 | // Check GC. |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 201 | HEAP->CollectGarbage(NEW_SPACE); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 202 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 203 | Handle<String> name = FACTORY->LookupAsciiSymbol("theFunction"); |
| 204 | Handle<String> prop_name = FACTORY->LookupAsciiSymbol("theSlot"); |
| 205 | Handle<String> prop_namex = FACTORY->LookupAsciiSymbol("theSlotx"); |
| 206 | Handle<String> obj_name = FACTORY->LookupAsciiSymbol("theObject"); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 207 | |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 208 | { |
| 209 | v8::HandleScope inner_scope; |
| 210 | // Allocate a function and keep it in global object's property. |
| 211 | Handle<JSFunction> function = |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 212 | FACTORY->NewFunction(name, FACTORY->undefined_value()); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 213 | Handle<Map> initial_map = |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 214 | FACTORY->NewMap(JS_OBJECT_TYPE, JSObject::kHeaderSize); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 215 | function->set_initial_map(*initial_map); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 216 | Isolate::Current()->context()->global()->SetProperty( |
ager@chromium.org | 9ee27ae | 2011-03-02 13:43:26 +0000 | [diff] [blame] | 217 | *name, *function, NONE, kNonStrictMode)->ToObjectChecked(); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 218 | // Allocate an object. Unrooted after leaving the scope. |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 219 | Handle<JSObject> obj = FACTORY->NewJSObject(function); |
ager@chromium.org | 9ee27ae | 2011-03-02 13:43:26 +0000 | [diff] [blame] | 220 | obj->SetProperty( |
| 221 | *prop_name, Smi::FromInt(23), NONE, kNonStrictMode)->ToObjectChecked(); |
| 222 | obj->SetProperty( |
| 223 | *prop_namex, Smi::FromInt(24), NONE, kNonStrictMode)->ToObjectChecked(); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 224 | |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 225 | CHECK_EQ(Smi::FromInt(23), obj->GetProperty(*prop_name)); |
| 226 | CHECK_EQ(Smi::FromInt(24), obj->GetProperty(*prop_namex)); |
| 227 | } |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 228 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 229 | HEAP->CollectGarbage(NEW_SPACE); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 230 | |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 231 | // Function should be alive. |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 232 | CHECK(Isolate::Current()->context()->global()->HasLocalProperty(*name)); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 233 | // Check function is retained. |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 234 | Object* func_value = Isolate::Current()->context()->global()-> |
| 235 | GetProperty(*name)->ToObjectChecked(); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 236 | CHECK(func_value->IsJSFunction()); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 237 | Handle<JSFunction> function(JSFunction::cast(func_value)); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 238 | |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 239 | { |
| 240 | HandleScope inner_scope; |
| 241 | // Allocate another object, make it reachable from global. |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 242 | Handle<JSObject> obj = FACTORY->NewJSObject(function); |
| 243 | Isolate::Current()->context()->global()->SetProperty( |
ager@chromium.org | 9ee27ae | 2011-03-02 13:43:26 +0000 | [diff] [blame] | 244 | *obj_name, *obj, NONE, kNonStrictMode)->ToObjectChecked(); |
| 245 | obj->SetProperty( |
| 246 | *prop_name, Smi::FromInt(23), NONE, kNonStrictMode)->ToObjectChecked(); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 247 | } |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 248 | |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 249 | // After gc, it should survive. |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 250 | HEAP->CollectGarbage(NEW_SPACE); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 251 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 252 | CHECK(Isolate::Current()->context()->global()->HasLocalProperty(*obj_name)); |
| 253 | CHECK(Isolate::Current()->context()->global()-> |
| 254 | GetProperty(*obj_name)->ToObjectChecked()->IsJSObject()); |
| 255 | Object* obj = Isolate::Current()->context()->global()-> |
| 256 | GetProperty(*obj_name)->ToObjectChecked(); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 257 | JSObject* js_obj = JSObject::cast(obj); |
| 258 | 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] | 259 | } |
| 260 | |
| 261 | |
| 262 | static void VerifyStringAllocation(const char* string) { |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 263 | v8::HandleScope scope; |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 264 | Handle<String> s = FACTORY->NewStringFromUtf8(CStrVector(string)); |
ager@chromium.org | c4c9272 | 2009-11-18 14:12:51 +0000 | [diff] [blame] | 265 | CHECK_EQ(StrLength(string), s->length()); |
ager@chromium.org | bb29dc9 | 2009-03-24 13:25:23 +0000 | [diff] [blame] | 266 | for (int index = 0; index < s->length(); index++) { |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 267 | CHECK_EQ(static_cast<uint16_t>(string[index]), s->Get(index)); |
| 268 | } |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 269 | } |
| 270 | |
| 271 | |
| 272 | TEST(String) { |
| 273 | InitializeVM(); |
| 274 | |
| 275 | VerifyStringAllocation("a"); |
| 276 | VerifyStringAllocation("ab"); |
| 277 | VerifyStringAllocation("abc"); |
| 278 | VerifyStringAllocation("abcd"); |
| 279 | VerifyStringAllocation("fiskerdrengen er paa havet"); |
| 280 | } |
| 281 | |
| 282 | |
| 283 | TEST(LocalHandles) { |
| 284 | InitializeVM(); |
| 285 | |
| 286 | v8::HandleScope scope; |
| 287 | const char* name = "Kasper the spunky"; |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 288 | Handle<String> string = FACTORY->NewStringFromAscii(CStrVector(name)); |
ager@chromium.org | c4c9272 | 2009-11-18 14:12:51 +0000 | [diff] [blame] | 289 | CHECK_EQ(StrLength(name), string->length()); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 290 | } |
| 291 | |
| 292 | |
| 293 | TEST(GlobalHandles) { |
| 294 | InitializeVM(); |
kmillikin@chromium.org | 7c2628c | 2011-08-10 11:27:35 +0000 | [diff] [blame] | 295 | GlobalHandles* global_handles = Isolate::Current()->global_handles(); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 296 | |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 297 | Handle<Object> h1; |
| 298 | Handle<Object> h2; |
| 299 | Handle<Object> h3; |
| 300 | Handle<Object> h4; |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 301 | |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 302 | { |
| 303 | HandleScope scope; |
| 304 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 305 | Handle<Object> i = FACTORY->NewStringFromAscii(CStrVector("fisk")); |
| 306 | Handle<Object> u = FACTORY->NewNumber(1.12344); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 307 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 308 | h1 = global_handles->Create(*i); |
| 309 | h2 = global_handles->Create(*u); |
| 310 | h3 = global_handles->Create(*i); |
| 311 | h4 = global_handles->Create(*u); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 312 | } |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 313 | |
| 314 | // after gc, it should survive |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 315 | HEAP->CollectGarbage(NEW_SPACE); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 316 | |
| 317 | CHECK((*h1)->IsString()); |
| 318 | CHECK((*h2)->IsHeapNumber()); |
| 319 | CHECK((*h3)->IsString()); |
| 320 | CHECK((*h4)->IsHeapNumber()); |
| 321 | |
| 322 | CHECK_EQ(*h3, *h1); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 323 | global_handles->Destroy(h1.location()); |
| 324 | global_handles->Destroy(h3.location()); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 325 | |
| 326 | CHECK_EQ(*h4, *h2); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 327 | global_handles->Destroy(h2.location()); |
| 328 | global_handles->Destroy(h4.location()); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 329 | } |
| 330 | |
| 331 | |
| 332 | static bool WeakPointerCleared = false; |
| 333 | |
kasperl@chromium.org | 5a8ca6c | 2008-10-23 13:57:19 +0000 | [diff] [blame] | 334 | static void TestWeakGlobalHandleCallback(v8::Persistent<v8::Value> handle, |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 335 | void* id) { |
kasperl@chromium.org | 71affb5 | 2009-05-26 05:44:31 +0000 | [diff] [blame] | 336 | if (1234 == reinterpret_cast<intptr_t>(id)) WeakPointerCleared = true; |
fschneider@chromium.org | ed78ffd | 2010-07-21 11:05:19 +0000 | [diff] [blame] | 337 | handle.Dispose(); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 338 | } |
| 339 | |
| 340 | |
| 341 | TEST(WeakGlobalHandlesScavenge) { |
| 342 | InitializeVM(); |
kmillikin@chromium.org | 7c2628c | 2011-08-10 11:27:35 +0000 | [diff] [blame] | 343 | GlobalHandles* global_handles = Isolate::Current()->global_handles(); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 344 | |
| 345 | WeakPointerCleared = false; |
| 346 | |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 347 | Handle<Object> h1; |
| 348 | Handle<Object> h2; |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 349 | |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 350 | { |
| 351 | HandleScope scope; |
| 352 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 353 | Handle<Object> i = FACTORY->NewStringFromAscii(CStrVector("fisk")); |
| 354 | Handle<Object> u = FACTORY->NewNumber(1.12344); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 355 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 356 | h1 = global_handles->Create(*i); |
| 357 | h2 = global_handles->Create(*u); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 358 | } |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 359 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 360 | global_handles->MakeWeak(h2.location(), |
| 361 | reinterpret_cast<void*>(1234), |
| 362 | &TestWeakGlobalHandleCallback); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 363 | |
| 364 | // Scavenge treats weak pointers as normal roots. |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 365 | HEAP->PerformScavenge(); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 366 | |
| 367 | CHECK((*h1)->IsString()); |
| 368 | CHECK((*h2)->IsHeapNumber()); |
| 369 | |
| 370 | CHECK(!WeakPointerCleared); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 371 | CHECK(!global_handles->IsNearDeath(h2.location())); |
| 372 | CHECK(!global_handles->IsNearDeath(h1.location())); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 373 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 374 | global_handles->Destroy(h1.location()); |
| 375 | global_handles->Destroy(h2.location()); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 376 | } |
| 377 | |
| 378 | |
| 379 | TEST(WeakGlobalHandlesMark) { |
| 380 | InitializeVM(); |
kmillikin@chromium.org | 7c2628c | 2011-08-10 11:27:35 +0000 | [diff] [blame] | 381 | GlobalHandles* global_handles = Isolate::Current()->global_handles(); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 382 | |
| 383 | WeakPointerCleared = false; |
| 384 | |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 385 | Handle<Object> h1; |
| 386 | Handle<Object> h2; |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 387 | |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 388 | { |
| 389 | HandleScope scope; |
| 390 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 391 | Handle<Object> i = FACTORY->NewStringFromAscii(CStrVector("fisk")); |
| 392 | Handle<Object> u = FACTORY->NewNumber(1.12344); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 393 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 394 | h1 = global_handles->Create(*i); |
| 395 | h2 = global_handles->Create(*u); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 396 | } |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 397 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 398 | HEAP->CollectGarbage(OLD_POINTER_SPACE); |
| 399 | HEAP->CollectGarbage(NEW_SPACE); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 400 | // Make sure the object is promoted. |
| 401 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 402 | global_handles->MakeWeak(h2.location(), |
| 403 | reinterpret_cast<void*>(1234), |
| 404 | &TestWeakGlobalHandleCallback); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 405 | CHECK(!GlobalHandles::IsNearDeath(h1.location())); |
| 406 | CHECK(!GlobalHandles::IsNearDeath(h2.location())); |
| 407 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 408 | HEAP->CollectGarbage(OLD_POINTER_SPACE); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 409 | |
| 410 | CHECK((*h1)->IsString()); |
| 411 | |
| 412 | CHECK(WeakPointerCleared); |
| 413 | CHECK(!GlobalHandles::IsNearDeath(h1.location())); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 414 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 415 | global_handles->Destroy(h1.location()); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 416 | } |
| 417 | |
mstarzinger@chromium.org | 471f2f1 | 2012-08-10 14:46:33 +0000 | [diff] [blame^] | 418 | |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 419 | TEST(DeleteWeakGlobalHandle) { |
| 420 | InitializeVM(); |
kmillikin@chromium.org | 7c2628c | 2011-08-10 11:27:35 +0000 | [diff] [blame] | 421 | GlobalHandles* global_handles = Isolate::Current()->global_handles(); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 422 | |
| 423 | WeakPointerCleared = false; |
| 424 | |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 425 | Handle<Object> h; |
| 426 | |
| 427 | { |
| 428 | HandleScope scope; |
| 429 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 430 | Handle<Object> i = FACTORY->NewStringFromAscii(CStrVector("fisk")); |
| 431 | h = global_handles->Create(*i); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 432 | } |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 433 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 434 | global_handles->MakeWeak(h.location(), |
| 435 | reinterpret_cast<void*>(1234), |
| 436 | &TestWeakGlobalHandleCallback); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 437 | |
| 438 | // Scanvenge does not recognize weak reference. |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 439 | HEAP->PerformScavenge(); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 440 | |
| 441 | CHECK(!WeakPointerCleared); |
| 442 | |
| 443 | // Mark-compact treats weak reference properly. |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 444 | HEAP->CollectGarbage(OLD_POINTER_SPACE); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 445 | |
| 446 | CHECK(WeakPointerCleared); |
| 447 | } |
| 448 | |
mstarzinger@chromium.org | 471f2f1 | 2012-08-10 14:46:33 +0000 | [diff] [blame^] | 449 | |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 450 | static const char* not_so_random_string_table[] = { |
| 451 | "abstract", |
| 452 | "boolean", |
| 453 | "break", |
| 454 | "byte", |
| 455 | "case", |
| 456 | "catch", |
| 457 | "char", |
| 458 | "class", |
| 459 | "const", |
| 460 | "continue", |
| 461 | "debugger", |
| 462 | "default", |
| 463 | "delete", |
| 464 | "do", |
| 465 | "double", |
| 466 | "else", |
| 467 | "enum", |
| 468 | "export", |
| 469 | "extends", |
| 470 | "false", |
| 471 | "final", |
| 472 | "finally", |
| 473 | "float", |
| 474 | "for", |
| 475 | "function", |
| 476 | "goto", |
| 477 | "if", |
| 478 | "implements", |
| 479 | "import", |
| 480 | "in", |
| 481 | "instanceof", |
| 482 | "int", |
| 483 | "interface", |
| 484 | "long", |
| 485 | "native", |
| 486 | "new", |
| 487 | "null", |
| 488 | "package", |
| 489 | "private", |
| 490 | "protected", |
| 491 | "public", |
| 492 | "return", |
| 493 | "short", |
| 494 | "static", |
| 495 | "super", |
| 496 | "switch", |
| 497 | "synchronized", |
| 498 | "this", |
| 499 | "throw", |
| 500 | "throws", |
| 501 | "transient", |
| 502 | "true", |
| 503 | "try", |
| 504 | "typeof", |
| 505 | "var", |
| 506 | "void", |
| 507 | "volatile", |
| 508 | "while", |
| 509 | "with", |
| 510 | 0 |
| 511 | }; |
| 512 | |
| 513 | |
| 514 | static void CheckSymbols(const char** strings) { |
| 515 | for (const char* string = *strings; *strings != 0; string = *strings++) { |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 516 | Object* a; |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 517 | MaybeObject* maybe_a = HEAP->LookupAsciiSymbol(string); |
sgjesse@chromium.org | 911335c | 2009-08-19 12:59:44 +0000 | [diff] [blame] | 518 | // LookupAsciiSymbol may return a failure if a GC is needed. |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 519 | if (!maybe_a->ToObject(&a)) continue; |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 520 | CHECK(a->IsSymbol()); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 521 | Object* b; |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 522 | MaybeObject* maybe_b = HEAP->LookupAsciiSymbol(string); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 523 | if (!maybe_b->ToObject(&b)) continue; |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 524 | CHECK_EQ(b, a); |
| 525 | CHECK(String::cast(b)->IsEqualTo(CStrVector(string))); |
| 526 | } |
| 527 | } |
| 528 | |
| 529 | |
| 530 | TEST(SymbolTable) { |
| 531 | InitializeVM(); |
| 532 | |
| 533 | CheckSymbols(not_so_random_string_table); |
| 534 | CheckSymbols(not_so_random_string_table); |
| 535 | } |
| 536 | |
| 537 | |
| 538 | TEST(FunctionAllocation) { |
| 539 | InitializeVM(); |
| 540 | |
| 541 | v8::HandleScope sc; |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 542 | Handle<String> name = FACTORY->LookupAsciiSymbol("theFunction"); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 543 | Handle<JSFunction> function = |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 544 | FACTORY->NewFunction(name, FACTORY->undefined_value()); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 545 | Handle<Map> initial_map = |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 546 | FACTORY->NewMap(JS_OBJECT_TYPE, JSObject::kHeaderSize); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 547 | function->set_initial_map(*initial_map); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 548 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 549 | Handle<String> prop_name = FACTORY->LookupAsciiSymbol("theSlot"); |
| 550 | Handle<JSObject> obj = FACTORY->NewJSObject(function); |
ager@chromium.org | 9ee27ae | 2011-03-02 13:43:26 +0000 | [diff] [blame] | 551 | obj->SetProperty( |
| 552 | *prop_name, Smi::FromInt(23), NONE, kNonStrictMode)->ToObjectChecked(); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 553 | CHECK_EQ(Smi::FromInt(23), obj->GetProperty(*prop_name)); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 554 | // Check that we can add properties to function objects. |
ager@chromium.org | 9ee27ae | 2011-03-02 13:43:26 +0000 | [diff] [blame] | 555 | function->SetProperty( |
| 556 | *prop_name, Smi::FromInt(24), NONE, kNonStrictMode)->ToObjectChecked(); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 557 | CHECK_EQ(Smi::FromInt(24), function->GetProperty(*prop_name)); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 558 | } |
| 559 | |
| 560 | |
| 561 | TEST(ObjectProperties) { |
| 562 | InitializeVM(); |
| 563 | |
| 564 | v8::HandleScope sc; |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 565 | String* object_symbol = String::cast(HEAP->Object_symbol()); |
| 566 | Object* raw_object = Isolate::Current()->context()->global()-> |
| 567 | GetProperty(object_symbol)->ToObjectChecked(); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 568 | JSFunction* object_function = JSFunction::cast(raw_object); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 569 | Handle<JSFunction> constructor(object_function); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 570 | Handle<JSObject> obj = FACTORY->NewJSObject(constructor); |
| 571 | Handle<String> first = FACTORY->LookupAsciiSymbol("first"); |
| 572 | Handle<String> second = FACTORY->LookupAsciiSymbol("second"); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 573 | |
| 574 | // check for empty |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 575 | CHECK(!obj->HasLocalProperty(*first)); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 576 | |
| 577 | // add first |
ager@chromium.org | 9ee27ae | 2011-03-02 13:43:26 +0000 | [diff] [blame] | 578 | obj->SetProperty( |
| 579 | *first, Smi::FromInt(1), NONE, kNonStrictMode)->ToObjectChecked(); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 580 | CHECK(obj->HasLocalProperty(*first)); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 581 | |
| 582 | // delete first |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 583 | CHECK(obj->DeleteProperty(*first, JSObject::NORMAL_DELETION)); |
| 584 | CHECK(!obj->HasLocalProperty(*first)); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 585 | |
| 586 | // add first and then second |
ager@chromium.org | 9ee27ae | 2011-03-02 13:43:26 +0000 | [diff] [blame] | 587 | obj->SetProperty( |
| 588 | *first, Smi::FromInt(1), NONE, kNonStrictMode)->ToObjectChecked(); |
| 589 | obj->SetProperty( |
| 590 | *second, Smi::FromInt(2), NONE, kNonStrictMode)->ToObjectChecked(); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 591 | CHECK(obj->HasLocalProperty(*first)); |
| 592 | CHECK(obj->HasLocalProperty(*second)); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 593 | |
| 594 | // delete first and then second |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 595 | CHECK(obj->DeleteProperty(*first, JSObject::NORMAL_DELETION)); |
| 596 | CHECK(obj->HasLocalProperty(*second)); |
| 597 | CHECK(obj->DeleteProperty(*second, JSObject::NORMAL_DELETION)); |
| 598 | CHECK(!obj->HasLocalProperty(*first)); |
| 599 | CHECK(!obj->HasLocalProperty(*second)); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 600 | |
| 601 | // add first and then second |
ager@chromium.org | 9ee27ae | 2011-03-02 13:43:26 +0000 | [diff] [blame] | 602 | obj->SetProperty( |
| 603 | *first, Smi::FromInt(1), NONE, kNonStrictMode)->ToObjectChecked(); |
| 604 | obj->SetProperty( |
| 605 | *second, Smi::FromInt(2), NONE, kNonStrictMode)->ToObjectChecked(); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 606 | CHECK(obj->HasLocalProperty(*first)); |
| 607 | CHECK(obj->HasLocalProperty(*second)); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 608 | |
| 609 | // delete second and then first |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 610 | CHECK(obj->DeleteProperty(*second, JSObject::NORMAL_DELETION)); |
| 611 | CHECK(obj->HasLocalProperty(*first)); |
| 612 | CHECK(obj->DeleteProperty(*first, JSObject::NORMAL_DELETION)); |
| 613 | CHECK(!obj->HasLocalProperty(*first)); |
| 614 | CHECK(!obj->HasLocalProperty(*second)); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 615 | |
| 616 | // check string and symbol match |
danno@chromium.org | fa458e4 | 2012-02-01 10:48:36 +0000 | [diff] [blame] | 617 | const char* string1 = "fisk"; |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 618 | Handle<String> s1 = FACTORY->NewStringFromAscii(CStrVector(string1)); |
ager@chromium.org | 9ee27ae | 2011-03-02 13:43:26 +0000 | [diff] [blame] | 619 | obj->SetProperty( |
| 620 | *s1, Smi::FromInt(1), NONE, kNonStrictMode)->ToObjectChecked(); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 621 | Handle<String> s1_symbol = FACTORY->LookupAsciiSymbol(string1); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 622 | CHECK(obj->HasLocalProperty(*s1_symbol)); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 623 | |
| 624 | // check symbol and string match |
danno@chromium.org | fa458e4 | 2012-02-01 10:48:36 +0000 | [diff] [blame] | 625 | const char* string2 = "fugl"; |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 626 | Handle<String> s2_symbol = FACTORY->LookupAsciiSymbol(string2); |
ager@chromium.org | 9ee27ae | 2011-03-02 13:43:26 +0000 | [diff] [blame] | 627 | obj->SetProperty( |
| 628 | *s2_symbol, Smi::FromInt(1), NONE, kNonStrictMode)->ToObjectChecked(); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 629 | Handle<String> s2 = FACTORY->NewStringFromAscii(CStrVector(string2)); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 630 | CHECK(obj->HasLocalProperty(*s2)); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 631 | } |
| 632 | |
| 633 | |
| 634 | TEST(JSObjectMaps) { |
| 635 | InitializeVM(); |
| 636 | |
| 637 | v8::HandleScope sc; |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 638 | Handle<String> name = FACTORY->LookupAsciiSymbol("theFunction"); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 639 | Handle<JSFunction> function = |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 640 | FACTORY->NewFunction(name, FACTORY->undefined_value()); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 641 | Handle<Map> initial_map = |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 642 | FACTORY->NewMap(JS_OBJECT_TYPE, JSObject::kHeaderSize); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 643 | function->set_initial_map(*initial_map); |
| 644 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 645 | Handle<String> prop_name = FACTORY->LookupAsciiSymbol("theSlot"); |
| 646 | Handle<JSObject> obj = FACTORY->NewJSObject(function); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 647 | |
| 648 | // Set a propery |
ager@chromium.org | 9ee27ae | 2011-03-02 13:43:26 +0000 | [diff] [blame] | 649 | obj->SetProperty( |
| 650 | *prop_name, Smi::FromInt(23), NONE, kNonStrictMode)->ToObjectChecked(); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 651 | CHECK_EQ(Smi::FromInt(23), obj->GetProperty(*prop_name)); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 652 | |
| 653 | // Check the map has changed |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 654 | CHECK(*initial_map != obj->map()); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 655 | } |
| 656 | |
| 657 | |
| 658 | TEST(JSArray) { |
| 659 | InitializeVM(); |
| 660 | |
| 661 | v8::HandleScope sc; |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 662 | Handle<String> name = FACTORY->LookupAsciiSymbol("Array"); |
| 663 | Object* raw_object = Isolate::Current()->context()->global()-> |
| 664 | GetProperty(*name)->ToObjectChecked(); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 665 | Handle<JSFunction> function = Handle<JSFunction>( |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 666 | JSFunction::cast(raw_object)); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 667 | |
| 668 | // Allocate the object. |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 669 | Handle<JSObject> object = FACTORY->NewJSObject(function); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 670 | Handle<JSArray> array = Handle<JSArray>::cast(object); |
ricow@chromium.org | d236f4d | 2010-09-01 06:52:08 +0000 | [diff] [blame] | 671 | // We just initialized the VM, no heap allocation failure yet. |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 672 | array->Initialize(0)->ToObjectChecked(); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 673 | |
| 674 | // Set array length to 0. |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 675 | array->SetElementsLength(Smi::FromInt(0))->ToObjectChecked(); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 676 | CHECK_EQ(Smi::FromInt(0), array->length()); |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 677 | // Must be in fast mode. |
svenpanne@chromium.org | 830d30c | 2012-05-29 13:20:14 +0000 | [diff] [blame] | 678 | CHECK(array->HasFastSmiOrObjectElements()); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 679 | |
| 680 | // array[length] = name. |
yangguo@chromium.org | ab30bb8 | 2012-02-24 14:41:46 +0000 | [diff] [blame] | 681 | array->SetElement(0, *name, NONE, kNonStrictMode)->ToObjectChecked(); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 682 | CHECK_EQ(Smi::FromInt(1), array->length()); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 683 | CHECK_EQ(array->GetElement(0), *name); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 684 | |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 685 | // Set array length with larger than smi value. |
| 686 | Handle<Object> length = |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 687 | FACTORY->NewNumberFromUint(static_cast<uint32_t>(Smi::kMaxValue) + 1); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 688 | array->SetElementsLength(*length)->ToObjectChecked(); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 689 | |
| 690 | uint32_t int_length = 0; |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 691 | CHECK(length->ToArrayIndex(&int_length)); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 692 | CHECK_EQ(*length, array->length()); |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 693 | CHECK(array->HasDictionaryElements()); // Must be in slow mode. |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 694 | |
| 695 | // array[length] = name. |
yangguo@chromium.org | ab30bb8 | 2012-02-24 14:41:46 +0000 | [diff] [blame] | 696 | array->SetElement(int_length, *name, NONE, kNonStrictMode)->ToObjectChecked(); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 697 | uint32_t new_int_length = 0; |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 698 | CHECK(array->length()->ToArrayIndex(&new_int_length)); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 699 | CHECK_EQ(static_cast<double>(int_length), new_int_length - 1); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 700 | CHECK_EQ(array->GetElement(int_length), *name); |
| 701 | CHECK_EQ(array->GetElement(0), *name); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 702 | } |
| 703 | |
| 704 | |
| 705 | TEST(JSObjectCopy) { |
| 706 | InitializeVM(); |
| 707 | |
| 708 | v8::HandleScope sc; |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 709 | String* object_symbol = String::cast(HEAP->Object_symbol()); |
| 710 | Object* raw_object = Isolate::Current()->context()->global()-> |
| 711 | GetProperty(object_symbol)->ToObjectChecked(); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 712 | JSFunction* object_function = JSFunction::cast(raw_object); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 713 | Handle<JSFunction> constructor(object_function); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 714 | Handle<JSObject> obj = FACTORY->NewJSObject(constructor); |
| 715 | Handle<String> first = FACTORY->LookupAsciiSymbol("first"); |
| 716 | Handle<String> second = FACTORY->LookupAsciiSymbol("second"); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 717 | |
ager@chromium.org | 9ee27ae | 2011-03-02 13:43:26 +0000 | [diff] [blame] | 718 | obj->SetProperty( |
| 719 | *first, Smi::FromInt(1), NONE, kNonStrictMode)->ToObjectChecked(); |
| 720 | obj->SetProperty( |
| 721 | *second, Smi::FromInt(2), NONE, kNonStrictMode)->ToObjectChecked(); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 722 | |
yangguo@chromium.org | ab30bb8 | 2012-02-24 14:41:46 +0000 | [diff] [blame] | 723 | obj->SetElement(0, *first, NONE, kNonStrictMode)->ToObjectChecked(); |
| 724 | obj->SetElement(1, *second, NONE, kNonStrictMode)->ToObjectChecked(); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 725 | |
| 726 | // Make the clone. |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 727 | Handle<JSObject> clone = Copy(obj); |
| 728 | CHECK(!clone.is_identical_to(obj)); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 729 | |
| 730 | CHECK_EQ(obj->GetElement(0), clone->GetElement(0)); |
| 731 | CHECK_EQ(obj->GetElement(1), clone->GetElement(1)); |
| 732 | |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 733 | CHECK_EQ(obj->GetProperty(*first), clone->GetProperty(*first)); |
| 734 | CHECK_EQ(obj->GetProperty(*second), clone->GetProperty(*second)); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 735 | |
| 736 | // Flip the values. |
ager@chromium.org | 9ee27ae | 2011-03-02 13:43:26 +0000 | [diff] [blame] | 737 | clone->SetProperty( |
| 738 | *first, Smi::FromInt(2), NONE, kNonStrictMode)->ToObjectChecked(); |
| 739 | clone->SetProperty( |
| 740 | *second, Smi::FromInt(1), NONE, kNonStrictMode)->ToObjectChecked(); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 741 | |
yangguo@chromium.org | ab30bb8 | 2012-02-24 14:41:46 +0000 | [diff] [blame] | 742 | clone->SetElement(0, *second, NONE, kNonStrictMode)->ToObjectChecked(); |
| 743 | clone->SetElement(1, *first, NONE, kNonStrictMode)->ToObjectChecked(); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 744 | |
| 745 | CHECK_EQ(obj->GetElement(1), clone->GetElement(0)); |
| 746 | CHECK_EQ(obj->GetElement(0), clone->GetElement(1)); |
| 747 | |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 748 | CHECK_EQ(obj->GetProperty(*second), clone->GetProperty(*first)); |
| 749 | CHECK_EQ(obj->GetProperty(*first), clone->GetProperty(*second)); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 750 | } |
| 751 | |
| 752 | |
| 753 | TEST(StringAllocation) { |
| 754 | InitializeVM(); |
| 755 | |
| 756 | |
| 757 | const unsigned char chars[] = { 0xe5, 0xa4, 0xa7 }; |
| 758 | for (int length = 0; length < 100; length++) { |
| 759 | v8::HandleScope scope; |
| 760 | char* non_ascii = NewArray<char>(3 * length + 1); |
| 761 | char* ascii = NewArray<char>(length + 1); |
| 762 | non_ascii[3 * length] = 0; |
| 763 | ascii[length] = 0; |
| 764 | for (int i = 0; i < length; i++) { |
| 765 | ascii[i] = 'a'; |
| 766 | non_ascii[3 * i] = chars[0]; |
| 767 | non_ascii[3 * i + 1] = chars[1]; |
| 768 | non_ascii[3 * i + 2] = chars[2]; |
| 769 | } |
| 770 | Handle<String> non_ascii_sym = |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 771 | FACTORY->LookupSymbol(Vector<const char>(non_ascii, 3 * length)); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 772 | CHECK_EQ(length, non_ascii_sym->length()); |
| 773 | Handle<String> ascii_sym = |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 774 | FACTORY->LookupSymbol(Vector<const char>(ascii, length)); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 775 | CHECK_EQ(length, ascii_sym->length()); |
| 776 | Handle<String> non_ascii_str = |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 777 | FACTORY->NewStringFromUtf8(Vector<const char>(non_ascii, 3 * length)); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 778 | non_ascii_str->Hash(); |
| 779 | CHECK_EQ(length, non_ascii_str->length()); |
| 780 | Handle<String> ascii_str = |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 781 | FACTORY->NewStringFromUtf8(Vector<const char>(ascii, length)); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 782 | ascii_str->Hash(); |
| 783 | CHECK_EQ(length, ascii_str->length()); |
| 784 | DeleteArray(non_ascii); |
| 785 | DeleteArray(ascii); |
| 786 | } |
| 787 | } |
| 788 | |
| 789 | |
| 790 | static int ObjectsFoundInHeap(Handle<Object> objs[], int size) { |
| 791 | // Count the number of objects found in the heap. |
| 792 | int found_count = 0; |
| 793 | HeapIterator iterator; |
sgjesse@chromium.org | b302e56 | 2010-02-03 11:26:59 +0000 | [diff] [blame] | 794 | 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] | 795 | for (int i = 0; i < size; i++) { |
| 796 | if (*objs[i] == obj) { |
| 797 | found_count++; |
| 798 | } |
| 799 | } |
| 800 | } |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 801 | return found_count; |
| 802 | } |
| 803 | |
| 804 | |
| 805 | TEST(Iteration) { |
| 806 | InitializeVM(); |
| 807 | v8::HandleScope scope; |
| 808 | |
| 809 | // Array of objects to scan haep for. |
| 810 | const int objs_count = 6; |
| 811 | Handle<Object> objs[objs_count]; |
| 812 | int next_objs_index = 0; |
| 813 | |
ager@chromium.org | 9258b6b | 2008-09-11 09:11:10 +0000 | [diff] [blame] | 814 | // Allocate a JS array to OLD_POINTER_SPACE and NEW_SPACE |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 815 | objs[next_objs_index++] = FACTORY->NewJSArray(10); |
svenpanne@chromium.org | 830d30c | 2012-05-29 13:20:14 +0000 | [diff] [blame] | 816 | objs[next_objs_index++] = FACTORY->NewJSArray(10, |
| 817 | FAST_HOLEY_ELEMENTS, |
| 818 | TENURED); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 819 | |
ager@chromium.org | 9258b6b | 2008-09-11 09:11:10 +0000 | [diff] [blame] | 820 | // 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] | 821 | objs[next_objs_index++] = |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 822 | FACTORY->NewStringFromAscii(CStrVector("abcdefghij")); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 823 | objs[next_objs_index++] = |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 824 | FACTORY->NewStringFromAscii(CStrVector("abcdefghij"), TENURED); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 825 | |
| 826 | // Allocate a large string (for large object space). |
yangguo@chromium.org | ab30bb8 | 2012-02-24 14:41:46 +0000 | [diff] [blame] | 827 | int large_size = Page::kMaxNonCodeHeapObjectSize + 1; |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 828 | char* str = new char[large_size]; |
| 829 | for (int i = 0; i < large_size - 1; ++i) str[i] = 'a'; |
| 830 | str[large_size - 1] = '\0'; |
| 831 | objs[next_objs_index++] = |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 832 | FACTORY->NewStringFromAscii(CStrVector(str), TENURED); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 833 | delete[] str; |
| 834 | |
| 835 | // Add a Map object to look for. |
| 836 | objs[next_objs_index++] = Handle<Map>(HeapObject::cast(*objs[0])->map()); |
| 837 | |
| 838 | CHECK_EQ(objs_count, next_objs_index); |
| 839 | CHECK_EQ(objs_count, ObjectsFoundInHeap(objs, objs_count)); |
| 840 | } |
sgjesse@chromium.org | df7a284 | 2010-03-25 14:34:15 +0000 | [diff] [blame] | 841 | |
| 842 | |
ager@chromium.org | b26c50a | 2010-03-26 09:27:16 +0000 | [diff] [blame] | 843 | TEST(EmptyHandleEscapeFrom) { |
| 844 | InitializeVM(); |
| 845 | |
| 846 | v8::HandleScope scope; |
| 847 | Handle<JSObject> runaway; |
| 848 | |
| 849 | { |
| 850 | v8::HandleScope nested; |
| 851 | Handle<JSObject> empty; |
| 852 | runaway = empty.EscapeFrom(&nested); |
| 853 | } |
| 854 | |
| 855 | CHECK(runaway.is_null()); |
| 856 | } |
| 857 | |
| 858 | |
| 859 | static int LenFromSize(int size) { |
| 860 | return (size - FixedArray::kHeaderSize) / kPointerSize; |
| 861 | } |
| 862 | |
| 863 | |
| 864 | TEST(Regression39128) { |
| 865 | // Test case for crbug.com/39128. |
| 866 | InitializeVM(); |
| 867 | |
| 868 | // 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] | 869 | HEAP->CollectAllGarbage(Heap::kNoGCFlags); |
ager@chromium.org | b26c50a | 2010-03-26 09:27:16 +0000 | [diff] [blame] | 870 | |
| 871 | v8::HandleScope scope; |
| 872 | |
| 873 | // The plan: create JSObject which references objects in new space. |
| 874 | // 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] | 875 | // that region dirty marks are updated correctly. |
ager@chromium.org | b26c50a | 2010-03-26 09:27:16 +0000 | [diff] [blame] | 876 | |
| 877 | // 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] | 878 | Handle<JSFunction> object_ctor( |
| 879 | Isolate::Current()->global_context()->object_function()); |
ager@chromium.org | b26c50a | 2010-03-26 09:27:16 +0000 | [diff] [blame] | 880 | CHECK(object_ctor->has_initial_map()); |
| 881 | Handle<Map> object_map(object_ctor->initial_map()); |
| 882 | // Create a map with single inobject property. |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 883 | Handle<Map> my_map = FACTORY->CopyMap(object_map, 1); |
ager@chromium.org | b26c50a | 2010-03-26 09:27:16 +0000 | [diff] [blame] | 884 | int n_properties = my_map->inobject_properties(); |
| 885 | CHECK_GT(n_properties, 0); |
| 886 | |
| 887 | int object_size = my_map->instance_size(); |
| 888 | |
| 889 | // Step 2: allocate a lot of objects so to almost fill new space: we need |
| 890 | // just enough room to allocate JSObject and thus fill the newspace. |
| 891 | |
| 892 | int allocation_amount = Min(FixedArray::kMaxSize, |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 893 | HEAP->MaxObjectSizeInNewSpace()); |
ager@chromium.org | b26c50a | 2010-03-26 09:27:16 +0000 | [diff] [blame] | 894 | int allocation_len = LenFromSize(allocation_amount); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 895 | NewSpace* new_space = HEAP->new_space(); |
ager@chromium.org | b26c50a | 2010-03-26 09:27:16 +0000 | [diff] [blame] | 896 | Address* top_addr = new_space->allocation_top_address(); |
| 897 | Address* limit_addr = new_space->allocation_limit_address(); |
| 898 | while ((*limit_addr - *top_addr) > allocation_amount) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 899 | CHECK(!HEAP->always_allocate()); |
| 900 | Object* array = HEAP->AllocateFixedArray(allocation_len)->ToObjectChecked(); |
| 901 | CHECK(!array->IsFailure()); |
ager@chromium.org | b26c50a | 2010-03-26 09:27:16 +0000 | [diff] [blame] | 902 | CHECK(new_space->Contains(array)); |
| 903 | } |
| 904 | |
| 905 | // 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] | 906 | 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] | 907 | int fixed_array_len = LenFromSize(to_fill); |
| 908 | CHECK(fixed_array_len < FixedArray::kMaxLength); |
| 909 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 910 | CHECK(!HEAP->always_allocate()); |
| 911 | Object* array = HEAP->AllocateFixedArray(fixed_array_len)->ToObjectChecked(); |
| 912 | CHECK(!array->IsFailure()); |
ager@chromium.org | b26c50a | 2010-03-26 09:27:16 +0000 | [diff] [blame] | 913 | CHECK(new_space->Contains(array)); |
| 914 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 915 | Object* object = HEAP->AllocateJSObjectFromMap(*my_map)->ToObjectChecked(); |
ager@chromium.org | b26c50a | 2010-03-26 09:27:16 +0000 | [diff] [blame] | 916 | CHECK(new_space->Contains(object)); |
| 917 | JSObject* jsobject = JSObject::cast(object); |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 918 | CHECK_EQ(0, FixedArray::cast(jsobject->elements())->length()); |
ager@chromium.org | b26c50a | 2010-03-26 09:27:16 +0000 | [diff] [blame] | 919 | CHECK_EQ(0, jsobject->properties()->length()); |
| 920 | // Create a reference to object in new space in jsobject. |
| 921 | jsobject->FastPropertyAtPut(-1, array); |
| 922 | |
whesse@chromium.org | b6e43bb | 2010-04-14 09:36:28 +0000 | [diff] [blame] | 923 | CHECK_EQ(0, static_cast<int>(*limit_addr - *top_addr)); |
ager@chromium.org | b26c50a | 2010-03-26 09:27:16 +0000 | [diff] [blame] | 924 | |
| 925 | // Step 4: clone jsobject, but force always allocate first to create a clone |
| 926 | // in old pointer space. |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 927 | Address old_pointer_space_top = HEAP->old_pointer_space()->top(); |
ager@chromium.org | b26c50a | 2010-03-26 09:27:16 +0000 | [diff] [blame] | 928 | AlwaysAllocateScope aa_scope; |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 929 | Object* clone_obj = HEAP->CopyJSObject(jsobject)->ToObjectChecked(); |
ager@chromium.org | b26c50a | 2010-03-26 09:27:16 +0000 | [diff] [blame] | 930 | JSObject* clone = JSObject::cast(clone_obj); |
| 931 | if (clone->address() != old_pointer_space_top) { |
| 932 | // Alas, got allocated from free list, we cannot do checks. |
| 933 | return; |
| 934 | } |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 935 | CHECK(HEAP->old_pointer_space()->Contains(clone->address())); |
ager@chromium.org | b26c50a | 2010-03-26 09:27:16 +0000 | [diff] [blame] | 936 | } |
vegorov@chromium.org | 2356e6f | 2010-06-09 09:38:56 +0000 | [diff] [blame] | 937 | |
whesse@chromium.org | 4a5224e | 2010-10-20 12:37:07 +0000 | [diff] [blame] | 938 | |
vegorov@chromium.org | 2356e6f | 2010-06-09 09:38:56 +0000 | [diff] [blame] | 939 | TEST(TestCodeFlushing) { |
| 940 | i::FLAG_allow_natives_syntax = true; |
ricow@chromium.org | fd0930e | 2010-06-11 10:37:34 +0000 | [diff] [blame] | 941 | // If we do not flush code this test is invalid. |
| 942 | if (!FLAG_flush_code) return; |
vegorov@chromium.org | 2356e6f | 2010-06-09 09:38:56 +0000 | [diff] [blame] | 943 | InitializeVM(); |
| 944 | v8::HandleScope scope; |
| 945 | const char* source = "function foo() {" |
| 946 | " var x = 42;" |
| 947 | " var y = 42;" |
| 948 | " var z = x + y;" |
| 949 | "};" |
| 950 | "foo()"; |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 951 | Handle<String> foo_name = FACTORY->LookupAsciiSymbol("foo"); |
vegorov@chromium.org | 2356e6f | 2010-06-09 09:38:56 +0000 | [diff] [blame] | 952 | |
| 953 | // This compile will add the code to the compilation cache. |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 954 | { v8::HandleScope scope; |
| 955 | CompileRun(source); |
| 956 | } |
vegorov@chromium.org | 2356e6f | 2010-06-09 09:38:56 +0000 | [diff] [blame] | 957 | |
| 958 | // Check function is compiled. |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 959 | Object* func_value = Isolate::Current()->context()->global()-> |
| 960 | GetProperty(*foo_name)->ToObjectChecked(); |
vegorov@chromium.org | 2356e6f | 2010-06-09 09:38:56 +0000 | [diff] [blame] | 961 | CHECK(func_value->IsJSFunction()); |
| 962 | Handle<JSFunction> function(JSFunction::cast(func_value)); |
| 963 | CHECK(function->shared()->is_compiled()); |
| 964 | |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 965 | // TODO(1609) Currently incremental marker does not support code flushing. |
erik.corry@gmail.com | bbceb57 | 2012-03-09 10:52:05 +0000 | [diff] [blame] | 966 | HEAP->CollectAllGarbage(Heap::kAbortIncrementalMarkingMask); |
| 967 | HEAP->CollectAllGarbage(Heap::kAbortIncrementalMarkingMask); |
vegorov@chromium.org | 2356e6f | 2010-06-09 09:38:56 +0000 | [diff] [blame] | 968 | |
vegorov@chromium.org | 2356e6f | 2010-06-09 09:38:56 +0000 | [diff] [blame] | 969 | CHECK(function->shared()->is_compiled()); |
ricow@chromium.org | 0b9f850 | 2010-08-18 07:45:01 +0000 | [diff] [blame] | 970 | |
erik.corry@gmail.com | bbceb57 | 2012-03-09 10:52:05 +0000 | [diff] [blame] | 971 | HEAP->CollectAllGarbage(Heap::kAbortIncrementalMarkingMask); |
| 972 | HEAP->CollectAllGarbage(Heap::kAbortIncrementalMarkingMask); |
| 973 | HEAP->CollectAllGarbage(Heap::kAbortIncrementalMarkingMask); |
| 974 | HEAP->CollectAllGarbage(Heap::kAbortIncrementalMarkingMask); |
| 975 | HEAP->CollectAllGarbage(Heap::kAbortIncrementalMarkingMask); |
| 976 | HEAP->CollectAllGarbage(Heap::kAbortIncrementalMarkingMask); |
vegorov@chromium.org | 2356e6f | 2010-06-09 09:38:56 +0000 | [diff] [blame] | 977 | |
| 978 | // foo should no longer be in the compilation cache |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 979 | CHECK(!function->shared()->is_compiled() || function->IsOptimized()); |
| 980 | CHECK(!function->is_compiled() || function->IsOptimized()); |
vegorov@chromium.org | 2356e6f | 2010-06-09 09:38:56 +0000 | [diff] [blame] | 981 | // Call foo to get it recompiled. |
| 982 | CompileRun("foo()"); |
| 983 | CHECK(function->shared()->is_compiled()); |
ricow@chromium.org | 0b9f850 | 2010-08-18 07:45:01 +0000 | [diff] [blame] | 984 | CHECK(function->is_compiled()); |
vegorov@chromium.org | 2356e6f | 2010-06-09 09:38:56 +0000 | [diff] [blame] | 985 | } |
whesse@chromium.org | 4a5224e | 2010-10-20 12:37:07 +0000 | [diff] [blame] | 986 | |
| 987 | |
| 988 | // Count the number of global contexts in the weak list of global contexts. |
jkummerow@chromium.org | 28583c9 | 2012-07-16 11:31:55 +0000 | [diff] [blame] | 989 | int CountGlobalContexts() { |
whesse@chromium.org | 4a5224e | 2010-10-20 12:37:07 +0000 | [diff] [blame] | 990 | int count = 0; |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 991 | Object* object = HEAP->global_contexts_list(); |
whesse@chromium.org | 4a5224e | 2010-10-20 12:37:07 +0000 | [diff] [blame] | 992 | while (!object->IsUndefined()) { |
| 993 | count++; |
| 994 | object = Context::cast(object)->get(Context::NEXT_CONTEXT_LINK); |
| 995 | } |
| 996 | return count; |
| 997 | } |
| 998 | |
| 999 | |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1000 | // Count the number of user functions in the weak list of optimized |
| 1001 | // functions attached to a global context. |
| 1002 | static int CountOptimizedUserFunctions(v8::Handle<v8::Context> context) { |
| 1003 | int count = 0; |
| 1004 | Handle<Context> icontext = v8::Utils::OpenHandle(*context); |
| 1005 | Object* object = icontext->get(Context::OPTIMIZED_FUNCTIONS_LIST); |
| 1006 | while (object->IsJSFunction() && !JSFunction::cast(object)->IsBuiltin()) { |
| 1007 | count++; |
| 1008 | object = JSFunction::cast(object)->next_function_link(); |
| 1009 | } |
| 1010 | return count; |
| 1011 | } |
| 1012 | |
| 1013 | |
whesse@chromium.org | 4a5224e | 2010-10-20 12:37:07 +0000 | [diff] [blame] | 1014 | TEST(TestInternalWeakLists) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1015 | v8::V8::Initialize(); |
| 1016 | |
whesse@chromium.org | 4a5224e | 2010-10-20 12:37:07 +0000 | [diff] [blame] | 1017 | static const int kNumTestContexts = 10; |
| 1018 | |
| 1019 | v8::HandleScope scope; |
| 1020 | v8::Persistent<v8::Context> ctx[kNumTestContexts]; |
| 1021 | |
| 1022 | CHECK_EQ(0, CountGlobalContexts()); |
| 1023 | |
| 1024 | // Create a number of global contests which gets linked together. |
| 1025 | for (int i = 0; i < kNumTestContexts; i++) { |
| 1026 | ctx[i] = v8::Context::New(); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1027 | |
| 1028 | bool opt = (FLAG_always_opt && i::V8::UseCrankshaft()); |
| 1029 | |
whesse@chromium.org | 4a5224e | 2010-10-20 12:37:07 +0000 | [diff] [blame] | 1030 | CHECK_EQ(i + 1, CountGlobalContexts()); |
| 1031 | |
| 1032 | ctx[i]->Enter(); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1033 | |
| 1034 | // Create a handle scope so no function objects get stuch in the outer |
| 1035 | // handle scope |
| 1036 | v8::HandleScope scope; |
| 1037 | const char* source = "function f1() { };" |
| 1038 | "function f2() { };" |
| 1039 | "function f3() { };" |
| 1040 | "function f4() { };" |
| 1041 | "function f5() { };"; |
| 1042 | CompileRun(source); |
| 1043 | CHECK_EQ(0, CountOptimizedUserFunctions(ctx[i])); |
| 1044 | CompileRun("f1()"); |
| 1045 | CHECK_EQ(opt ? 1 : 0, CountOptimizedUserFunctions(ctx[i])); |
| 1046 | CompileRun("f2()"); |
| 1047 | CHECK_EQ(opt ? 2 : 0, CountOptimizedUserFunctions(ctx[i])); |
| 1048 | CompileRun("f3()"); |
| 1049 | CHECK_EQ(opt ? 3 : 0, CountOptimizedUserFunctions(ctx[i])); |
| 1050 | CompileRun("f4()"); |
| 1051 | CHECK_EQ(opt ? 4 : 0, CountOptimizedUserFunctions(ctx[i])); |
| 1052 | CompileRun("f5()"); |
| 1053 | CHECK_EQ(opt ? 5 : 0, CountOptimizedUserFunctions(ctx[i])); |
| 1054 | |
| 1055 | // Remove function f1, and |
| 1056 | CompileRun("f1=null"); |
| 1057 | |
| 1058 | // Scavenge treats these references as strong. |
| 1059 | for (int j = 0; j < 10; j++) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1060 | HEAP->PerformScavenge(); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1061 | CHECK_EQ(opt ? 5 : 0, CountOptimizedUserFunctions(ctx[i])); |
| 1062 | } |
| 1063 | |
| 1064 | // Mark compact handles the weak references. |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1065 | HEAP->CollectAllGarbage(Heap::kNoGCFlags); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1066 | CHECK_EQ(opt ? 4 : 0, CountOptimizedUserFunctions(ctx[i])); |
| 1067 | |
| 1068 | // Get rid of f3 and f5 in the same way. |
| 1069 | CompileRun("f3=null"); |
| 1070 | for (int j = 0; j < 10; j++) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1071 | HEAP->PerformScavenge(); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1072 | CHECK_EQ(opt ? 4 : 0, CountOptimizedUserFunctions(ctx[i])); |
| 1073 | } |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1074 | HEAP->CollectAllGarbage(Heap::kNoGCFlags); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1075 | CHECK_EQ(opt ? 3 : 0, CountOptimizedUserFunctions(ctx[i])); |
| 1076 | CompileRun("f5=null"); |
| 1077 | for (int j = 0; j < 10; j++) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1078 | HEAP->PerformScavenge(); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1079 | CHECK_EQ(opt ? 3 : 0, CountOptimizedUserFunctions(ctx[i])); |
| 1080 | } |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1081 | HEAP->CollectAllGarbage(Heap::kNoGCFlags); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1082 | CHECK_EQ(opt ? 2 : 0, CountOptimizedUserFunctions(ctx[i])); |
| 1083 | |
whesse@chromium.org | 4a5224e | 2010-10-20 12:37:07 +0000 | [diff] [blame] | 1084 | ctx[i]->Exit(); |
| 1085 | } |
| 1086 | |
| 1087 | // Force compilation cache cleanup. |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1088 | HEAP->CollectAllGarbage(Heap::kNoGCFlags); |
whesse@chromium.org | 4a5224e | 2010-10-20 12:37:07 +0000 | [diff] [blame] | 1089 | |
| 1090 | // Dispose the global contexts one by one. |
| 1091 | for (int i = 0; i < kNumTestContexts; i++) { |
| 1092 | ctx[i].Dispose(); |
| 1093 | ctx[i].Clear(); |
| 1094 | |
| 1095 | // Scavenge treats these references as strong. |
| 1096 | for (int j = 0; j < 10; j++) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1097 | HEAP->PerformScavenge(); |
whesse@chromium.org | 4a5224e | 2010-10-20 12:37:07 +0000 | [diff] [blame] | 1098 | CHECK_EQ(kNumTestContexts - i, CountGlobalContexts()); |
| 1099 | } |
| 1100 | |
| 1101 | // Mark compact handles the weak references. |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1102 | HEAP->CollectAllGarbage(Heap::kNoGCFlags); |
whesse@chromium.org | 4a5224e | 2010-10-20 12:37:07 +0000 | [diff] [blame] | 1103 | CHECK_EQ(kNumTestContexts - i - 1, CountGlobalContexts()); |
| 1104 | } |
| 1105 | |
| 1106 | CHECK_EQ(0, CountGlobalContexts()); |
| 1107 | } |
| 1108 | |
| 1109 | |
| 1110 | // Count the number of global contexts in the weak list of global contexts |
| 1111 | // causing a GC after the specified number of elements. |
| 1112 | static int CountGlobalContextsWithGC(int n) { |
| 1113 | int count = 0; |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1114 | Handle<Object> object(HEAP->global_contexts_list()); |
whesse@chromium.org | 4a5224e | 2010-10-20 12:37:07 +0000 | [diff] [blame] | 1115 | while (!object->IsUndefined()) { |
| 1116 | count++; |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1117 | if (count == n) HEAP->CollectAllGarbage(Heap::kNoGCFlags); |
whesse@chromium.org | 4a5224e | 2010-10-20 12:37:07 +0000 | [diff] [blame] | 1118 | object = |
| 1119 | Handle<Object>(Context::cast(*object)->get(Context::NEXT_CONTEXT_LINK)); |
| 1120 | } |
| 1121 | return count; |
| 1122 | } |
| 1123 | |
| 1124 | |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1125 | // Count the number of user functions in the weak list of optimized |
| 1126 | // functions attached to a global context causing a GC after the |
| 1127 | // specified number of elements. |
| 1128 | static int CountOptimizedUserFunctionsWithGC(v8::Handle<v8::Context> context, |
| 1129 | int n) { |
| 1130 | int count = 0; |
| 1131 | Handle<Context> icontext = v8::Utils::OpenHandle(*context); |
| 1132 | Handle<Object> object(icontext->get(Context::OPTIMIZED_FUNCTIONS_LIST)); |
| 1133 | while (object->IsJSFunction() && |
| 1134 | !Handle<JSFunction>::cast(object)->IsBuiltin()) { |
| 1135 | count++; |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1136 | if (count == n) HEAP->CollectAllGarbage(Heap::kNoGCFlags); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1137 | object = Handle<Object>( |
| 1138 | Object::cast(JSFunction::cast(*object)->next_function_link())); |
| 1139 | } |
| 1140 | return count; |
| 1141 | } |
| 1142 | |
| 1143 | |
whesse@chromium.org | 4a5224e | 2010-10-20 12:37:07 +0000 | [diff] [blame] | 1144 | TEST(TestInternalWeakListsTraverseWithGC) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1145 | v8::V8::Initialize(); |
| 1146 | |
whesse@chromium.org | 4a5224e | 2010-10-20 12:37:07 +0000 | [diff] [blame] | 1147 | static const int kNumTestContexts = 10; |
| 1148 | |
| 1149 | v8::HandleScope scope; |
| 1150 | v8::Persistent<v8::Context> ctx[kNumTestContexts]; |
| 1151 | |
| 1152 | CHECK_EQ(0, CountGlobalContexts()); |
| 1153 | |
| 1154 | // Create an number of contexts and check the length of the weak list both |
| 1155 | // with and without GCs while iterating the list. |
| 1156 | for (int i = 0; i < kNumTestContexts; i++) { |
| 1157 | ctx[i] = v8::Context::New(); |
| 1158 | CHECK_EQ(i + 1, CountGlobalContexts()); |
| 1159 | CHECK_EQ(i + 1, CountGlobalContextsWithGC(i / 2 + 1)); |
whesse@chromium.org | 4a5224e | 2010-10-20 12:37:07 +0000 | [diff] [blame] | 1160 | } |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1161 | |
| 1162 | bool opt = (FLAG_always_opt && i::V8::UseCrankshaft()); |
| 1163 | |
| 1164 | // Compile a number of functions the length of the weak list of optimized |
| 1165 | // functions both with and without GCs while iterating the list. |
| 1166 | ctx[0]->Enter(); |
| 1167 | const char* source = "function f1() { };" |
| 1168 | "function f2() { };" |
| 1169 | "function f3() { };" |
| 1170 | "function f4() { };" |
| 1171 | "function f5() { };"; |
| 1172 | CompileRun(source); |
| 1173 | CHECK_EQ(0, CountOptimizedUserFunctions(ctx[0])); |
| 1174 | CompileRun("f1()"); |
| 1175 | CHECK_EQ(opt ? 1 : 0, CountOptimizedUserFunctions(ctx[0])); |
| 1176 | CHECK_EQ(opt ? 1 : 0, CountOptimizedUserFunctionsWithGC(ctx[0], 1)); |
| 1177 | CompileRun("f2()"); |
| 1178 | CHECK_EQ(opt ? 2 : 0, CountOptimizedUserFunctions(ctx[0])); |
| 1179 | CHECK_EQ(opt ? 2 : 0, CountOptimizedUserFunctionsWithGC(ctx[0], 1)); |
| 1180 | CompileRun("f3()"); |
| 1181 | CHECK_EQ(opt ? 3 : 0, CountOptimizedUserFunctions(ctx[0])); |
| 1182 | CHECK_EQ(opt ? 3 : 0, CountOptimizedUserFunctionsWithGC(ctx[0], 1)); |
| 1183 | CompileRun("f4()"); |
| 1184 | CHECK_EQ(opt ? 4 : 0, CountOptimizedUserFunctions(ctx[0])); |
| 1185 | CHECK_EQ(opt ? 4 : 0, CountOptimizedUserFunctionsWithGC(ctx[0], 2)); |
| 1186 | CompileRun("f5()"); |
| 1187 | CHECK_EQ(opt ? 5 : 0, CountOptimizedUserFunctions(ctx[0])); |
| 1188 | CHECK_EQ(opt ? 5 : 0, CountOptimizedUserFunctionsWithGC(ctx[0], 4)); |
| 1189 | |
| 1190 | ctx[0]->Exit(); |
whesse@chromium.org | 4a5224e | 2010-10-20 12:37:07 +0000 | [diff] [blame] | 1191 | } |
erik.corry@gmail.com | 4a6c327 | 2010-11-18 12:04:40 +0000 | [diff] [blame] | 1192 | |
| 1193 | |
erik.corry@gmail.com | f2038fb | 2012-01-16 11:42:08 +0000 | [diff] [blame] | 1194 | TEST(TestSizeOfObjects) { |
| 1195 | v8::V8::Initialize(); |
| 1196 | |
| 1197 | // Get initial heap size after several full GCs, which will stabilize |
| 1198 | // the heap size and return with sweeping finished completely. |
| 1199 | HEAP->CollectAllGarbage(Heap::kNoGCFlags); |
| 1200 | HEAP->CollectAllGarbage(Heap::kNoGCFlags); |
| 1201 | HEAP->CollectAllGarbage(Heap::kNoGCFlags); |
| 1202 | HEAP->CollectAllGarbage(Heap::kNoGCFlags); |
yangguo@chromium.org | 5a11aaf | 2012-06-20 11:29:00 +0000 | [diff] [blame] | 1203 | HEAP->CollectAllGarbage(Heap::kNoGCFlags); |
erik.corry@gmail.com | f2038fb | 2012-01-16 11:42:08 +0000 | [diff] [blame] | 1204 | CHECK(HEAP->old_pointer_space()->IsSweepingComplete()); |
| 1205 | int initial_size = static_cast<int>(HEAP->SizeOfObjects()); |
| 1206 | |
| 1207 | { |
| 1208 | // Allocate objects on several different old-space pages so that |
| 1209 | // lazy sweeping kicks in for subsequent GC runs. |
| 1210 | AlwaysAllocateScope always_allocate; |
| 1211 | int filler_size = static_cast<int>(FixedArray::SizeFor(8192)); |
| 1212 | for (int i = 1; i <= 100; i++) { |
| 1213 | HEAP->AllocateFixedArray(8192, TENURED)->ToObjectChecked(); |
| 1214 | CHECK_EQ(initial_size + i * filler_size, |
| 1215 | static_cast<int>(HEAP->SizeOfObjects())); |
| 1216 | } |
| 1217 | } |
| 1218 | |
| 1219 | // The heap size should go back to initial size after a full GC, even |
| 1220 | // though sweeping didn't finish yet. |
| 1221 | HEAP->CollectAllGarbage(Heap::kNoGCFlags); |
danno@chromium.org | 2c26cb1 | 2012-05-03 09:06:43 +0000 | [diff] [blame] | 1222 | |
| 1223 | // Normally sweeping would not be complete here, but no guarantees. |
| 1224 | |
erik.corry@gmail.com | f2038fb | 2012-01-16 11:42:08 +0000 | [diff] [blame] | 1225 | CHECK_EQ(initial_size, static_cast<int>(HEAP->SizeOfObjects())); |
| 1226 | |
| 1227 | // Advancing the sweeper step-wise should not change the heap size. |
| 1228 | while (!HEAP->old_pointer_space()->IsSweepingComplete()) { |
| 1229 | HEAP->old_pointer_space()->AdvanceSweeper(KB); |
| 1230 | CHECK_EQ(initial_size, static_cast<int>(HEAP->SizeOfObjects())); |
| 1231 | } |
| 1232 | } |
| 1233 | |
| 1234 | |
erik.corry@gmail.com | 4a6c327 | 2010-11-18 12:04:40 +0000 | [diff] [blame] | 1235 | TEST(TestSizeOfObjectsVsHeapIteratorPrecision) { |
| 1236 | InitializeVM(); |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1237 | HEAP->EnsureHeapIsIterable(); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1238 | intptr_t size_of_objects_1 = HEAP->SizeOfObjects(); |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1239 | HeapIterator iterator; |
erik.corry@gmail.com | 4a6c327 | 2010-11-18 12:04:40 +0000 | [diff] [blame] | 1240 | intptr_t size_of_objects_2 = 0; |
| 1241 | for (HeapObject* obj = iterator.next(); |
| 1242 | obj != NULL; |
| 1243 | obj = iterator.next()) { |
| 1244 | size_of_objects_2 += obj->Size(); |
| 1245 | } |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1246 | // Delta must be within 5% of the larger result. |
| 1247 | // TODO(gc): Tighten this up by distinguishing between byte |
| 1248 | // arrays that are real and those that merely mark free space |
| 1249 | // on the heap. |
erik.corry@gmail.com | 4a6c327 | 2010-11-18 12:04:40 +0000 | [diff] [blame] | 1250 | if (size_of_objects_1 > size_of_objects_2) { |
| 1251 | intptr_t delta = size_of_objects_1 - size_of_objects_2; |
| 1252 | PrintF("Heap::SizeOfObjects: %" V8_PTR_PREFIX "d, " |
| 1253 | "Iterator: %" V8_PTR_PREFIX "d, " |
| 1254 | "delta: %" V8_PTR_PREFIX "d\n", |
| 1255 | size_of_objects_1, size_of_objects_2, delta); |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1256 | CHECK_GT(size_of_objects_1 / 20, delta); |
erik.corry@gmail.com | 4a6c327 | 2010-11-18 12:04:40 +0000 | [diff] [blame] | 1257 | } else { |
| 1258 | intptr_t delta = size_of_objects_2 - size_of_objects_1; |
| 1259 | PrintF("Heap::SizeOfObjects: %" V8_PTR_PREFIX "d, " |
| 1260 | "Iterator: %" V8_PTR_PREFIX "d, " |
| 1261 | "delta: %" V8_PTR_PREFIX "d\n", |
| 1262 | size_of_objects_1, size_of_objects_2, delta); |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1263 | CHECK_GT(size_of_objects_2 / 20, delta); |
erik.corry@gmail.com | 4a6c327 | 2010-11-18 12:04:40 +0000 | [diff] [blame] | 1264 | } |
| 1265 | } |
whesse@chromium.org | 023421e | 2010-12-21 12:19:12 +0000 | [diff] [blame] | 1266 | |
| 1267 | |
danno@chromium.org | c612e02 | 2011-11-10 11:38:15 +0000 | [diff] [blame] | 1268 | static void FillUpNewSpace(NewSpace* new_space) { |
| 1269 | // Fill up new space to the point that it is completely full. Make sure |
| 1270 | // that the scavenger does not undo the filling. |
| 1271 | v8::HandleScope scope; |
| 1272 | AlwaysAllocateScope always_allocate; |
jkummerow@chromium.org | 000f7fb | 2012-08-01 11:14:42 +0000 | [diff] [blame] | 1273 | LinearAllocationScope allocate_linearly; |
danno@chromium.org | c612e02 | 2011-11-10 11:38:15 +0000 | [diff] [blame] | 1274 | intptr_t available = new_space->EffectiveCapacity() - new_space->Size(); |
fschneider@chromium.org | 7d10be5 | 2012-04-10 12:30:14 +0000 | [diff] [blame] | 1275 | intptr_t number_of_fillers = (available / FixedArray::SizeFor(32)) - 1; |
danno@chromium.org | c612e02 | 2011-11-10 11:38:15 +0000 | [diff] [blame] | 1276 | for (intptr_t i = 0; i < number_of_fillers; i++) { |
fschneider@chromium.org | 7d10be5 | 2012-04-10 12:30:14 +0000 | [diff] [blame] | 1277 | CHECK(HEAP->InNewSpace(*FACTORY->NewFixedArray(32, NOT_TENURED))); |
danno@chromium.org | c612e02 | 2011-11-10 11:38:15 +0000 | [diff] [blame] | 1278 | } |
| 1279 | } |
| 1280 | |
| 1281 | |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1282 | TEST(GrowAndShrinkNewSpace) { |
| 1283 | InitializeVM(); |
| 1284 | NewSpace* new_space = HEAP->new_space(); |
| 1285 | |
mstarzinger@chromium.org | 471f2f1 | 2012-08-10 14:46:33 +0000 | [diff] [blame^] | 1286 | if (HEAP->ReservedSemiSpaceSize() == HEAP->InitialSemiSpaceSize() || |
| 1287 | HEAP->MaxSemiSpaceSize() == HEAP->InitialSemiSpaceSize()) { |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 1288 | // The max size cannot exceed the reserved size, since semispaces must be |
| 1289 | // always within the reserved space. We can't test new space growing and |
| 1290 | // shrinking if the reserved size is the same as the minimum (initial) size. |
| 1291 | return; |
| 1292 | } |
| 1293 | |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1294 | // Explicitly growing should double the space capacity. |
| 1295 | intptr_t old_capacity, new_capacity; |
| 1296 | old_capacity = new_space->Capacity(); |
| 1297 | new_space->Grow(); |
| 1298 | new_capacity = new_space->Capacity(); |
| 1299 | CHECK(2 * old_capacity == new_capacity); |
| 1300 | |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1301 | old_capacity = new_space->Capacity(); |
danno@chromium.org | c612e02 | 2011-11-10 11:38:15 +0000 | [diff] [blame] | 1302 | FillUpNewSpace(new_space); |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1303 | new_capacity = new_space->Capacity(); |
| 1304 | CHECK(old_capacity == new_capacity); |
whesse@chromium.org | 023421e | 2010-12-21 12:19:12 +0000 | [diff] [blame] | 1305 | |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1306 | // Explicitly shrinking should not affect space capacity. |
| 1307 | old_capacity = new_space->Capacity(); |
| 1308 | new_space->Shrink(); |
| 1309 | new_capacity = new_space->Capacity(); |
| 1310 | CHECK(old_capacity == new_capacity); |
| 1311 | |
| 1312 | // Let the scavenger empty the new space. |
| 1313 | HEAP->CollectGarbage(NEW_SPACE); |
| 1314 | CHECK_LE(new_space->Size(), old_capacity); |
| 1315 | |
| 1316 | // Explicitly shrinking should halve the space capacity. |
| 1317 | old_capacity = new_space->Capacity(); |
| 1318 | new_space->Shrink(); |
| 1319 | new_capacity = new_space->Capacity(); |
| 1320 | CHECK(old_capacity == 2 * new_capacity); |
| 1321 | |
| 1322 | // Consecutive shrinking should not affect space capacity. |
| 1323 | old_capacity = new_space->Capacity(); |
| 1324 | new_space->Shrink(); |
| 1325 | new_space->Shrink(); |
| 1326 | new_space->Shrink(); |
| 1327 | new_capacity = new_space->Capacity(); |
| 1328 | CHECK(old_capacity == new_capacity); |
whesse@chromium.org | 023421e | 2010-12-21 12:19:12 +0000 | [diff] [blame] | 1329 | } |
danno@chromium.org | c612e02 | 2011-11-10 11:38:15 +0000 | [diff] [blame] | 1330 | |
| 1331 | |
| 1332 | TEST(CollectingAllAvailableGarbageShrinksNewSpace) { |
| 1333 | InitializeVM(); |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 1334 | |
mstarzinger@chromium.org | 471f2f1 | 2012-08-10 14:46:33 +0000 | [diff] [blame^] | 1335 | if (HEAP->ReservedSemiSpaceSize() == HEAP->InitialSemiSpaceSize() || |
| 1336 | HEAP->MaxSemiSpaceSize() == HEAP->InitialSemiSpaceSize()) { |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 1337 | // The max size cannot exceed the reserved size, since semispaces must be |
| 1338 | // always within the reserved space. We can't test new space growing and |
| 1339 | // shrinking if the reserved size is the same as the minimum (initial) size. |
| 1340 | return; |
| 1341 | } |
| 1342 | |
danno@chromium.org | c612e02 | 2011-11-10 11:38:15 +0000 | [diff] [blame] | 1343 | v8::HandleScope scope; |
| 1344 | NewSpace* new_space = HEAP->new_space(); |
| 1345 | intptr_t old_capacity, new_capacity; |
| 1346 | old_capacity = new_space->Capacity(); |
| 1347 | new_space->Grow(); |
| 1348 | new_capacity = new_space->Capacity(); |
| 1349 | CHECK(2 * old_capacity == new_capacity); |
| 1350 | FillUpNewSpace(new_space); |
| 1351 | HEAP->CollectAllAvailableGarbage(); |
| 1352 | new_capacity = new_space->Capacity(); |
| 1353 | CHECK(old_capacity == new_capacity); |
| 1354 | } |
svenpanne@chromium.org | ecb9dd6 | 2011-12-01 08:22:35 +0000 | [diff] [blame] | 1355 | |
ricow@chromium.org | 7ad6522 | 2011-12-19 12:13:11 +0000 | [diff] [blame] | 1356 | |
| 1357 | static int NumberOfGlobalObjects() { |
| 1358 | int count = 0; |
| 1359 | HeapIterator iterator; |
| 1360 | for (HeapObject* obj = iterator.next(); obj != NULL; obj = iterator.next()) { |
| 1361 | if (obj->IsGlobalObject()) count++; |
| 1362 | } |
| 1363 | return count; |
| 1364 | } |
| 1365 | |
| 1366 | |
| 1367 | // Test that we don't embed maps from foreign contexts into |
| 1368 | // optimized code. |
| 1369 | TEST(LeakGlobalContextViaMap) { |
danno@chromium.org | e78f9fc | 2011-12-21 08:29:34 +0000 | [diff] [blame] | 1370 | i::FLAG_allow_natives_syntax = true; |
ricow@chromium.org | 7ad6522 | 2011-12-19 12:13:11 +0000 | [diff] [blame] | 1371 | v8::HandleScope outer_scope; |
| 1372 | v8::Persistent<v8::Context> ctx1 = v8::Context::New(); |
| 1373 | v8::Persistent<v8::Context> ctx2 = v8::Context::New(); |
| 1374 | ctx1->Enter(); |
| 1375 | |
| 1376 | HEAP->CollectAllAvailableGarbage(); |
| 1377 | CHECK_EQ(4, NumberOfGlobalObjects()); |
| 1378 | |
| 1379 | { |
| 1380 | v8::HandleScope inner_scope; |
| 1381 | CompileRun("var v = {x: 42}"); |
| 1382 | v8::Local<v8::Value> v = ctx1->Global()->Get(v8_str("v")); |
| 1383 | ctx2->Enter(); |
| 1384 | ctx2->Global()->Set(v8_str("o"), v); |
| 1385 | v8::Local<v8::Value> res = CompileRun( |
| 1386 | "function f() { return o.x; }" |
danno@chromium.org | e78f9fc | 2011-12-21 08:29:34 +0000 | [diff] [blame] | 1387 | "for (var i = 0; i < 10; ++i) f();" |
| 1388 | "%OptimizeFunctionOnNextCall(f);" |
ricow@chromium.org | 7ad6522 | 2011-12-19 12:13:11 +0000 | [diff] [blame] | 1389 | "f();"); |
| 1390 | CHECK_EQ(42, res->Int32Value()); |
| 1391 | ctx2->Global()->Set(v8_str("o"), v8::Int32::New(0)); |
| 1392 | ctx2->Exit(); |
| 1393 | ctx1->Exit(); |
| 1394 | ctx1.Dispose(); |
| 1395 | } |
| 1396 | HEAP->CollectAllAvailableGarbage(); |
| 1397 | CHECK_EQ(2, NumberOfGlobalObjects()); |
| 1398 | ctx2.Dispose(); |
| 1399 | HEAP->CollectAllAvailableGarbage(); |
| 1400 | CHECK_EQ(0, NumberOfGlobalObjects()); |
| 1401 | } |
| 1402 | |
| 1403 | |
| 1404 | // Test that we don't embed functions from foreign contexts into |
| 1405 | // optimized code. |
| 1406 | TEST(LeakGlobalContextViaFunction) { |
danno@chromium.org | e78f9fc | 2011-12-21 08:29:34 +0000 | [diff] [blame] | 1407 | i::FLAG_allow_natives_syntax = true; |
ricow@chromium.org | 7ad6522 | 2011-12-19 12:13:11 +0000 | [diff] [blame] | 1408 | v8::HandleScope outer_scope; |
| 1409 | v8::Persistent<v8::Context> ctx1 = v8::Context::New(); |
| 1410 | v8::Persistent<v8::Context> ctx2 = v8::Context::New(); |
| 1411 | ctx1->Enter(); |
| 1412 | |
| 1413 | HEAP->CollectAllAvailableGarbage(); |
| 1414 | CHECK_EQ(4, NumberOfGlobalObjects()); |
| 1415 | |
| 1416 | { |
| 1417 | v8::HandleScope inner_scope; |
| 1418 | CompileRun("var v = function() { return 42; }"); |
| 1419 | v8::Local<v8::Value> v = ctx1->Global()->Get(v8_str("v")); |
| 1420 | ctx2->Enter(); |
| 1421 | ctx2->Global()->Set(v8_str("o"), v); |
| 1422 | v8::Local<v8::Value> res = CompileRun( |
| 1423 | "function f(x) { return x(); }" |
danno@chromium.org | e78f9fc | 2011-12-21 08:29:34 +0000 | [diff] [blame] | 1424 | "for (var i = 0; i < 10; ++i) f(o);" |
| 1425 | "%OptimizeFunctionOnNextCall(f);" |
ricow@chromium.org | 7ad6522 | 2011-12-19 12:13:11 +0000 | [diff] [blame] | 1426 | "f(o);"); |
| 1427 | CHECK_EQ(42, res->Int32Value()); |
| 1428 | ctx2->Global()->Set(v8_str("o"), v8::Int32::New(0)); |
| 1429 | ctx2->Exit(); |
| 1430 | ctx1->Exit(); |
| 1431 | ctx1.Dispose(); |
| 1432 | } |
| 1433 | HEAP->CollectAllAvailableGarbage(); |
| 1434 | CHECK_EQ(2, NumberOfGlobalObjects()); |
| 1435 | ctx2.Dispose(); |
| 1436 | HEAP->CollectAllAvailableGarbage(); |
| 1437 | CHECK_EQ(0, NumberOfGlobalObjects()); |
| 1438 | } |
danno@chromium.org | e78f9fc | 2011-12-21 08:29:34 +0000 | [diff] [blame] | 1439 | |
| 1440 | |
| 1441 | TEST(LeakGlobalContextViaMapKeyed) { |
| 1442 | i::FLAG_allow_natives_syntax = true; |
| 1443 | v8::HandleScope outer_scope; |
| 1444 | v8::Persistent<v8::Context> ctx1 = v8::Context::New(); |
| 1445 | v8::Persistent<v8::Context> ctx2 = v8::Context::New(); |
| 1446 | ctx1->Enter(); |
| 1447 | |
| 1448 | HEAP->CollectAllAvailableGarbage(); |
| 1449 | CHECK_EQ(4, NumberOfGlobalObjects()); |
| 1450 | |
| 1451 | { |
| 1452 | v8::HandleScope inner_scope; |
| 1453 | CompileRun("var v = [42, 43]"); |
| 1454 | v8::Local<v8::Value> v = ctx1->Global()->Get(v8_str("v")); |
| 1455 | ctx2->Enter(); |
| 1456 | ctx2->Global()->Set(v8_str("o"), v); |
| 1457 | v8::Local<v8::Value> res = CompileRun( |
| 1458 | "function f() { return o[0]; }" |
| 1459 | "for (var i = 0; i < 10; ++i) f();" |
| 1460 | "%OptimizeFunctionOnNextCall(f);" |
| 1461 | "f();"); |
| 1462 | CHECK_EQ(42, res->Int32Value()); |
| 1463 | ctx2->Global()->Set(v8_str("o"), v8::Int32::New(0)); |
| 1464 | ctx2->Exit(); |
| 1465 | ctx1->Exit(); |
| 1466 | ctx1.Dispose(); |
| 1467 | } |
| 1468 | HEAP->CollectAllAvailableGarbage(); |
| 1469 | CHECK_EQ(2, NumberOfGlobalObjects()); |
| 1470 | ctx2.Dispose(); |
| 1471 | HEAP->CollectAllAvailableGarbage(); |
| 1472 | CHECK_EQ(0, NumberOfGlobalObjects()); |
| 1473 | } |
| 1474 | |
| 1475 | |
| 1476 | TEST(LeakGlobalContextViaMapProto) { |
| 1477 | i::FLAG_allow_natives_syntax = true; |
| 1478 | v8::HandleScope outer_scope; |
| 1479 | v8::Persistent<v8::Context> ctx1 = v8::Context::New(); |
| 1480 | v8::Persistent<v8::Context> ctx2 = v8::Context::New(); |
| 1481 | ctx1->Enter(); |
| 1482 | |
| 1483 | HEAP->CollectAllAvailableGarbage(); |
| 1484 | CHECK_EQ(4, NumberOfGlobalObjects()); |
| 1485 | |
| 1486 | { |
| 1487 | v8::HandleScope inner_scope; |
| 1488 | CompileRun("var v = { y: 42}"); |
| 1489 | v8::Local<v8::Value> v = ctx1->Global()->Get(v8_str("v")); |
| 1490 | ctx2->Enter(); |
| 1491 | ctx2->Global()->Set(v8_str("o"), v); |
| 1492 | v8::Local<v8::Value> res = CompileRun( |
| 1493 | "function f() {" |
| 1494 | " var p = {x: 42};" |
| 1495 | " p.__proto__ = o;" |
| 1496 | " return p.x;" |
| 1497 | "}" |
| 1498 | "for (var i = 0; i < 10; ++i) f();" |
| 1499 | "%OptimizeFunctionOnNextCall(f);" |
| 1500 | "f();"); |
| 1501 | CHECK_EQ(42, res->Int32Value()); |
| 1502 | ctx2->Global()->Set(v8_str("o"), v8::Int32::New(0)); |
| 1503 | ctx2->Exit(); |
| 1504 | ctx1->Exit(); |
| 1505 | ctx1.Dispose(); |
| 1506 | } |
| 1507 | HEAP->CollectAllAvailableGarbage(); |
| 1508 | CHECK_EQ(2, NumberOfGlobalObjects()); |
| 1509 | ctx2.Dispose(); |
| 1510 | HEAP->CollectAllAvailableGarbage(); |
| 1511 | CHECK_EQ(0, NumberOfGlobalObjects()); |
| 1512 | } |
erik.corry@gmail.com | f2038fb | 2012-01-16 11:42:08 +0000 | [diff] [blame] | 1513 | |
| 1514 | |
| 1515 | TEST(InstanceOfStubWriteBarrier) { |
| 1516 | i::FLAG_allow_natives_syntax = true; |
| 1517 | #ifdef DEBUG |
| 1518 | i::FLAG_verify_heap = true; |
| 1519 | #endif |
| 1520 | InitializeVM(); |
| 1521 | if (!i::V8::UseCrankshaft()) return; |
| 1522 | v8::HandleScope outer_scope; |
| 1523 | |
| 1524 | { |
| 1525 | v8::HandleScope scope; |
| 1526 | CompileRun( |
| 1527 | "function foo () { }" |
| 1528 | "function mkbar () { return new (new Function(\"\")) (); }" |
| 1529 | "function f (x) { return (x instanceof foo); }" |
| 1530 | "function g () { f(mkbar()); }" |
| 1531 | "f(new foo()); f(new foo());" |
| 1532 | "%OptimizeFunctionOnNextCall(f);" |
| 1533 | "f(new foo()); g();"); |
| 1534 | } |
| 1535 | |
| 1536 | IncrementalMarking* marking = HEAP->incremental_marking(); |
| 1537 | marking->Abort(); |
| 1538 | marking->Start(); |
| 1539 | |
| 1540 | Handle<JSFunction> f = |
| 1541 | v8::Utils::OpenHandle( |
| 1542 | *v8::Handle<v8::Function>::Cast( |
| 1543 | v8::Context::GetCurrent()->Global()->Get(v8_str("f")))); |
| 1544 | |
| 1545 | CHECK(f->IsOptimized()); |
| 1546 | |
| 1547 | while (!Marking::IsBlack(Marking::MarkBitFrom(f->code())) && |
| 1548 | !marking->IsStopped()) { |
fschneider@chromium.org | 7d10be5 | 2012-04-10 12:30:14 +0000 | [diff] [blame] | 1549 | // Discard any pending GC requests otherwise we will get GC when we enter |
| 1550 | // code below. |
| 1551 | marking->Step(MB, IncrementalMarking::NO_GC_VIA_STACK_GUARD); |
erik.corry@gmail.com | f2038fb | 2012-01-16 11:42:08 +0000 | [diff] [blame] | 1552 | } |
| 1553 | |
| 1554 | CHECK(marking->IsMarking()); |
| 1555 | |
erik.corry@gmail.com | f2038fb | 2012-01-16 11:42:08 +0000 | [diff] [blame] | 1556 | { |
| 1557 | v8::HandleScope scope; |
| 1558 | v8::Handle<v8::Object> global = v8::Context::GetCurrent()->Global(); |
| 1559 | v8::Handle<v8::Function> g = |
| 1560 | v8::Handle<v8::Function>::Cast(global->Get(v8_str("g"))); |
| 1561 | g->Call(global, 0, NULL); |
| 1562 | } |
| 1563 | |
| 1564 | HEAP->incremental_marking()->set_should_hurry(true); |
| 1565 | HEAP->CollectGarbage(OLD_POINTER_SPACE); |
| 1566 | } |
ulan@chromium.org | 2efb900 | 2012-01-19 15:36:35 +0000 | [diff] [blame] | 1567 | |
| 1568 | |
| 1569 | TEST(PrototypeTransitionClearing) { |
| 1570 | InitializeVM(); |
| 1571 | v8::HandleScope scope; |
| 1572 | |
| 1573 | CompileRun( |
| 1574 | "var base = {};" |
| 1575 | "var live = [];" |
| 1576 | "for (var i = 0; i < 10; i++) {" |
| 1577 | " var object = {};" |
| 1578 | " var prototype = {};" |
| 1579 | " object.__proto__ = prototype;" |
| 1580 | " if (i >= 3) live.push(object, prototype);" |
| 1581 | "}"); |
| 1582 | |
| 1583 | Handle<JSObject> baseObject = |
| 1584 | v8::Utils::OpenHandle( |
| 1585 | *v8::Handle<v8::Object>::Cast( |
| 1586 | v8::Context::GetCurrent()->Global()->Get(v8_str("base")))); |
| 1587 | |
ulan@chromium.org | f6a0c41 | 2012-06-15 12:31:06 +0000 | [diff] [blame] | 1588 | // Verify that only dead prototype transitions are cleared. |
| 1589 | CHECK_EQ(10, baseObject->map()->NumberOfProtoTransitions()); |
ulan@chromium.org | 2efb900 | 2012-01-19 15:36:35 +0000 | [diff] [blame] | 1590 | HEAP->CollectAllGarbage(Heap::kNoGCFlags); |
ulan@chromium.org | f6a0c41 | 2012-06-15 12:31:06 +0000 | [diff] [blame] | 1591 | const int transitions = 10 - 3; |
mmassi@chromium.org | 7028c05 | 2012-06-13 11:51:58 +0000 | [diff] [blame] | 1592 | CHECK_EQ(transitions, baseObject->map()->NumberOfProtoTransitions()); |
ulan@chromium.org | 2efb900 | 2012-01-19 15:36:35 +0000 | [diff] [blame] | 1593 | |
| 1594 | // Verify that prototype transitions array was compacted. |
danno@chromium.org | 81cac2b | 2012-07-10 11:28:27 +0000 | [diff] [blame] | 1595 | FixedArray* trans = baseObject->map()->GetPrototypeTransitions(); |
mmassi@chromium.org | 7028c05 | 2012-06-13 11:51:58 +0000 | [diff] [blame] | 1596 | for (int i = 0; i < transitions; i++) { |
ulan@chromium.org | 2efb900 | 2012-01-19 15:36:35 +0000 | [diff] [blame] | 1597 | int j = Map::kProtoTransitionHeaderSize + |
| 1598 | i * Map::kProtoTransitionElementsPerEntry; |
| 1599 | CHECK(trans->get(j + Map::kProtoTransitionMapOffset)->IsMap()); |
mmassi@chromium.org | 7028c05 | 2012-06-13 11:51:58 +0000 | [diff] [blame] | 1600 | Object* proto = trans->get(j + Map::kProtoTransitionPrototypeOffset); |
| 1601 | CHECK(proto->IsTheHole() || proto->IsJSObject()); |
ulan@chromium.org | 2efb900 | 2012-01-19 15:36:35 +0000 | [diff] [blame] | 1602 | } |
jkummerow@chromium.org | 05ed9dd | 2012-01-23 14:42:48 +0000 | [diff] [blame] | 1603 | |
| 1604 | // Make sure next prototype is placed on an old-space evacuation candidate. |
| 1605 | Handle<JSObject> prototype; |
| 1606 | PagedSpace* space = HEAP->old_pointer_space(); |
| 1607 | do { |
svenpanne@chromium.org | 830d30c | 2012-05-29 13:20:14 +0000 | [diff] [blame] | 1608 | prototype = FACTORY->NewJSArray(32 * KB, FAST_HOLEY_ELEMENTS, TENURED); |
jkummerow@chromium.org | 05ed9dd | 2012-01-23 14:42:48 +0000 | [diff] [blame] | 1609 | } while (space->FirstPage() == space->LastPage() || |
| 1610 | !space->LastPage()->Contains(prototype->address())); |
| 1611 | |
| 1612 | // Add a prototype on an evacuation candidate and verify that transition |
| 1613 | // clearing correctly records slots in prototype transition array. |
| 1614 | i::FLAG_always_compact = true; |
| 1615 | Handle<Map> map(baseObject->map()); |
danno@chromium.org | 81cac2b | 2012-07-10 11:28:27 +0000 | [diff] [blame] | 1616 | CHECK(!space->LastPage()->Contains( |
| 1617 | map->GetPrototypeTransitions()->address())); |
jkummerow@chromium.org | 05ed9dd | 2012-01-23 14:42:48 +0000 | [diff] [blame] | 1618 | CHECK(space->LastPage()->Contains(prototype->address())); |
| 1619 | baseObject->SetPrototype(*prototype, false)->ToObjectChecked(); |
| 1620 | CHECK(map->GetPrototypeTransition(*prototype)->IsMap()); |
| 1621 | HEAP->CollectAllGarbage(Heap::kNoGCFlags); |
| 1622 | CHECK(map->GetPrototypeTransition(*prototype)->IsMap()); |
ulan@chromium.org | 2efb900 | 2012-01-19 15:36:35 +0000 | [diff] [blame] | 1623 | } |
fschneider@chromium.org | 7d10be5 | 2012-04-10 12:30:14 +0000 | [diff] [blame] | 1624 | |
| 1625 | |
| 1626 | TEST(ResetSharedFunctionInfoCountersDuringIncrementalMarking) { |
| 1627 | i::FLAG_allow_natives_syntax = true; |
| 1628 | #ifdef DEBUG |
| 1629 | i::FLAG_verify_heap = true; |
| 1630 | #endif |
| 1631 | InitializeVM(); |
| 1632 | if (!i::V8::UseCrankshaft()) return; |
| 1633 | v8::HandleScope outer_scope; |
| 1634 | |
| 1635 | { |
| 1636 | v8::HandleScope scope; |
| 1637 | CompileRun( |
| 1638 | "function f () {" |
| 1639 | " var s = 0;" |
| 1640 | " for (var i = 0; i < 100; i++) s += i;" |
| 1641 | " return s;" |
| 1642 | "}" |
| 1643 | "f(); f();" |
| 1644 | "%OptimizeFunctionOnNextCall(f);" |
| 1645 | "f();"); |
| 1646 | } |
| 1647 | Handle<JSFunction> f = |
| 1648 | v8::Utils::OpenHandle( |
| 1649 | *v8::Handle<v8::Function>::Cast( |
| 1650 | v8::Context::GetCurrent()->Global()->Get(v8_str("f")))); |
| 1651 | CHECK(f->IsOptimized()); |
| 1652 | |
| 1653 | IncrementalMarking* marking = HEAP->incremental_marking(); |
| 1654 | marking->Abort(); |
| 1655 | marking->Start(); |
| 1656 | |
| 1657 | // The following two calls will increment HEAP->global_ic_age(). |
| 1658 | const int kLongIdlePauseInMs = 1000; |
| 1659 | v8::V8::ContextDisposedNotification(); |
| 1660 | v8::V8::IdleNotification(kLongIdlePauseInMs); |
| 1661 | |
| 1662 | while (!marking->IsStopped() && !marking->IsComplete()) { |
| 1663 | marking->Step(1 * MB, IncrementalMarking::NO_GC_VIA_STACK_GUARD); |
| 1664 | } |
danno@chromium.org | 2c26cb1 | 2012-05-03 09:06:43 +0000 | [diff] [blame] | 1665 | if (!marking->IsStopped() || marking->should_hurry()) { |
| 1666 | // We don't normally finish a GC via Step(), we normally finish by |
| 1667 | // setting the stack guard and then do the final steps in the stack |
| 1668 | // guard interrupt. But here we didn't ask for that, and there is no |
| 1669 | // JS code running to trigger the interrupt, so we explicitly finalize |
| 1670 | // here. |
| 1671 | HEAP->CollectAllGarbage(Heap::kNoGCFlags, |
| 1672 | "Test finalizing incremental mark-sweep"); |
| 1673 | } |
fschneider@chromium.org | 7d10be5 | 2012-04-10 12:30:14 +0000 | [diff] [blame] | 1674 | |
| 1675 | CHECK_EQ(HEAP->global_ic_age(), f->shared()->ic_age()); |
| 1676 | CHECK_EQ(0, f->shared()->opt_count()); |
| 1677 | CHECK_EQ(0, f->shared()->code()->profiler_ticks()); |
| 1678 | } |
| 1679 | |
| 1680 | |
| 1681 | TEST(ResetSharedFunctionInfoCountersDuringMarkSweep) { |
| 1682 | i::FLAG_allow_natives_syntax = true; |
| 1683 | #ifdef DEBUG |
| 1684 | i::FLAG_verify_heap = true; |
| 1685 | #endif |
| 1686 | InitializeVM(); |
| 1687 | if (!i::V8::UseCrankshaft()) return; |
| 1688 | v8::HandleScope outer_scope; |
| 1689 | |
| 1690 | { |
| 1691 | v8::HandleScope scope; |
| 1692 | CompileRun( |
| 1693 | "function f () {" |
| 1694 | " var s = 0;" |
| 1695 | " for (var i = 0; i < 100; i++) s += i;" |
| 1696 | " return s;" |
| 1697 | "}" |
| 1698 | "f(); f();" |
| 1699 | "%OptimizeFunctionOnNextCall(f);" |
| 1700 | "f();"); |
| 1701 | } |
| 1702 | Handle<JSFunction> f = |
| 1703 | v8::Utils::OpenHandle( |
| 1704 | *v8::Handle<v8::Function>::Cast( |
| 1705 | v8::Context::GetCurrent()->Global()->Get(v8_str("f")))); |
| 1706 | CHECK(f->IsOptimized()); |
| 1707 | |
| 1708 | HEAP->incremental_marking()->Abort(); |
| 1709 | |
| 1710 | // The following two calls will increment HEAP->global_ic_age(). |
| 1711 | // Since incremental marking is off, IdleNotification will do full GC. |
| 1712 | const int kLongIdlePauseInMs = 1000; |
| 1713 | v8::V8::ContextDisposedNotification(); |
| 1714 | v8::V8::IdleNotification(kLongIdlePauseInMs); |
| 1715 | |
| 1716 | CHECK_EQ(HEAP->global_ic_age(), f->shared()->ic_age()); |
| 1717 | CHECK_EQ(0, f->shared()->opt_count()); |
| 1718 | CHECK_EQ(0, f->shared()->code()->profiler_ticks()); |
| 1719 | } |
| 1720 | |
| 1721 | |
| 1722 | // Test that HAllocateObject will always return an object in new-space. |
| 1723 | TEST(OptimizedAllocationAlwaysInNewSpace) { |
| 1724 | i::FLAG_allow_natives_syntax = true; |
| 1725 | InitializeVM(); |
| 1726 | if (!i::V8::UseCrankshaft() || i::FLAG_always_opt) return; |
| 1727 | v8::HandleScope scope; |
| 1728 | |
| 1729 | FillUpNewSpace(HEAP->new_space()); |
| 1730 | AlwaysAllocateScope always_allocate; |
| 1731 | v8::Local<v8::Value> res = CompileRun( |
| 1732 | "function c(x) {" |
| 1733 | " this.x = x;" |
| 1734 | " for (var i = 0; i < 32; i++) {" |
| 1735 | " this['x' + i] = x;" |
| 1736 | " }" |
| 1737 | "}" |
| 1738 | "function f(x) { return new c(x); };" |
| 1739 | "f(1); f(2); f(3);" |
| 1740 | "%OptimizeFunctionOnNextCall(f);" |
| 1741 | "f(4);"); |
| 1742 | CHECK_EQ(4, res->ToObject()->GetRealNamedProperty(v8_str("x"))->Int32Value()); |
| 1743 | |
| 1744 | Handle<JSObject> o = |
| 1745 | v8::Utils::OpenHandle(*v8::Handle<v8::Object>::Cast(res)); |
| 1746 | |
| 1747 | CHECK(HEAP->InNewSpace(*o)); |
| 1748 | } |
yangguo@chromium.org | 5f0b8ea | 2012-05-16 12:37:04 +0000 | [diff] [blame] | 1749 | |
| 1750 | |
| 1751 | static int CountMapTransitions(Map* map) { |
yangguo@chromium.org | 99aa490 | 2012-07-06 16:21:55 +0000 | [diff] [blame] | 1752 | return map->transitions()->number_of_transitions(); |
yangguo@chromium.org | 5f0b8ea | 2012-05-16 12:37:04 +0000 | [diff] [blame] | 1753 | } |
| 1754 | |
| 1755 | |
mstarzinger@chromium.org | 471f2f1 | 2012-08-10 14:46:33 +0000 | [diff] [blame^] | 1756 | // Go through all incremental marking steps in one swoop. |
| 1757 | static void SimulateIncrementalMarking() { |
yangguo@chromium.org | 5f0b8ea | 2012-05-16 12:37:04 +0000 | [diff] [blame] | 1758 | IncrementalMarking* marking = HEAP->incremental_marking(); |
| 1759 | CHECK(marking->IsStopped()); |
| 1760 | marking->Start(); |
| 1761 | CHECK(marking->IsMarking()); |
| 1762 | while (!marking->IsComplete()) { |
| 1763 | marking->Step(MB, IncrementalMarking::NO_GC_VIA_STACK_GUARD); |
| 1764 | } |
| 1765 | CHECK(marking->IsComplete()); |
mstarzinger@chromium.org | 471f2f1 | 2012-08-10 14:46:33 +0000 | [diff] [blame^] | 1766 | } |
| 1767 | |
| 1768 | |
| 1769 | // Test that map transitions are cleared and maps are collected with |
| 1770 | // incremental marking as well. |
| 1771 | TEST(Regress1465) { |
| 1772 | i::FLAG_allow_natives_syntax = true; |
| 1773 | i::FLAG_trace_incremental_marking = true; |
| 1774 | InitializeVM(); |
| 1775 | v8::HandleScope scope; |
| 1776 | static const int transitions_count = 256; |
| 1777 | |
| 1778 | { |
| 1779 | AlwaysAllocateScope always_allocate; |
| 1780 | for (int i = 0; i < transitions_count; i++) { |
| 1781 | EmbeddedVector<char, 64> buffer; |
| 1782 | OS::SNPrintF(buffer, "var o = new Object; o.prop%d = %d;", i, i); |
| 1783 | CompileRun(buffer.start()); |
| 1784 | } |
| 1785 | CompileRun("var root = new Object;"); |
| 1786 | } |
| 1787 | |
| 1788 | Handle<JSObject> root = |
| 1789 | v8::Utils::OpenHandle( |
| 1790 | *v8::Handle<v8::Object>::Cast( |
| 1791 | v8::Context::GetCurrent()->Global()->Get(v8_str("root")))); |
| 1792 | |
| 1793 | // Count number of live transitions before marking. |
| 1794 | int transitions_before = CountMapTransitions(root->map()); |
| 1795 | CompileRun("%DebugPrint(root);"); |
| 1796 | CHECK_EQ(transitions_count, transitions_before); |
| 1797 | |
| 1798 | SimulateIncrementalMarking(); |
yangguo@chromium.org | 5f0b8ea | 2012-05-16 12:37:04 +0000 | [diff] [blame] | 1799 | HEAP->CollectAllGarbage(Heap::kNoGCFlags); |
yangguo@chromium.org | 5f0b8ea | 2012-05-16 12:37:04 +0000 | [diff] [blame] | 1800 | |
| 1801 | // Count number of live transitions after marking. Note that one transition |
| 1802 | // is left, because 'o' still holds an instance of one transition target. |
| 1803 | int transitions_after = CountMapTransitions(root->map()); |
| 1804 | CompileRun("%DebugPrint(root);"); |
| 1805 | CHECK_EQ(1, transitions_after); |
| 1806 | } |
verwaest@chromium.org | 3714139 | 2012-05-31 13:27:02 +0000 | [diff] [blame] | 1807 | |
| 1808 | |
| 1809 | TEST(Regress2143a) { |
| 1810 | i::FLAG_collect_maps = true; |
| 1811 | i::FLAG_incremental_marking = true; |
| 1812 | InitializeVM(); |
| 1813 | v8::HandleScope scope; |
| 1814 | |
| 1815 | // Prepare a map transition from the root object together with a yet |
| 1816 | // untransitioned root object. |
| 1817 | CompileRun("var root = new Object;" |
| 1818 | "root.foo = 0;" |
| 1819 | "root = new Object;"); |
| 1820 | |
mstarzinger@chromium.org | 471f2f1 | 2012-08-10 14:46:33 +0000 | [diff] [blame^] | 1821 | SimulateIncrementalMarking(); |
verwaest@chromium.org | 3714139 | 2012-05-31 13:27:02 +0000 | [diff] [blame] | 1822 | |
| 1823 | // Compile a StoreIC that performs the prepared map transition. This |
| 1824 | // will restart incremental marking and should make sure the root is |
| 1825 | // marked grey again. |
| 1826 | CompileRun("function f(o) {" |
| 1827 | " o.foo = 0;" |
| 1828 | "}" |
| 1829 | "f(new Object);" |
| 1830 | "f(root);"); |
| 1831 | |
| 1832 | // This bug only triggers with aggressive IC clearing. |
| 1833 | HEAP->AgeInlineCaches(); |
| 1834 | |
| 1835 | // Explicitly request GC to perform final marking step and sweeping. |
| 1836 | HEAP->CollectAllGarbage(Heap::kNoGCFlags); |
verwaest@chromium.org | 3714139 | 2012-05-31 13:27:02 +0000 | [diff] [blame] | 1837 | |
| 1838 | Handle<JSObject> root = |
| 1839 | v8::Utils::OpenHandle( |
| 1840 | *v8::Handle<v8::Object>::Cast( |
| 1841 | v8::Context::GetCurrent()->Global()->Get(v8_str("root")))); |
| 1842 | |
| 1843 | // The root object should be in a sane state. |
| 1844 | CHECK(root->IsJSObject()); |
| 1845 | CHECK(root->map()->IsMap()); |
| 1846 | } |
| 1847 | |
| 1848 | |
| 1849 | TEST(Regress2143b) { |
| 1850 | i::FLAG_collect_maps = true; |
| 1851 | i::FLAG_incremental_marking = true; |
| 1852 | i::FLAG_allow_natives_syntax = true; |
| 1853 | InitializeVM(); |
| 1854 | v8::HandleScope scope; |
| 1855 | |
| 1856 | // Prepare a map transition from the root object together with a yet |
| 1857 | // untransitioned root object. |
| 1858 | CompileRun("var root = new Object;" |
| 1859 | "root.foo = 0;" |
| 1860 | "root = new Object;"); |
| 1861 | |
mstarzinger@chromium.org | 471f2f1 | 2012-08-10 14:46:33 +0000 | [diff] [blame^] | 1862 | SimulateIncrementalMarking(); |
verwaest@chromium.org | 3714139 | 2012-05-31 13:27:02 +0000 | [diff] [blame] | 1863 | |
| 1864 | // Compile an optimized LStoreNamedField that performs the prepared |
| 1865 | // map transition. This will restart incremental marking and should |
| 1866 | // make sure the root is marked grey again. |
| 1867 | CompileRun("function f(o) {" |
| 1868 | " o.foo = 0;" |
| 1869 | "}" |
| 1870 | "f(new Object);" |
| 1871 | "f(new Object);" |
| 1872 | "%OptimizeFunctionOnNextCall(f);" |
| 1873 | "f(root);" |
| 1874 | "%DeoptimizeFunction(f);"); |
| 1875 | |
| 1876 | // This bug only triggers with aggressive IC clearing. |
| 1877 | HEAP->AgeInlineCaches(); |
| 1878 | |
| 1879 | // Explicitly request GC to perform final marking step and sweeping. |
| 1880 | HEAP->CollectAllGarbage(Heap::kNoGCFlags); |
verwaest@chromium.org | 3714139 | 2012-05-31 13:27:02 +0000 | [diff] [blame] | 1881 | |
| 1882 | Handle<JSObject> root = |
| 1883 | v8::Utils::OpenHandle( |
| 1884 | *v8::Handle<v8::Object>::Cast( |
| 1885 | v8::Context::GetCurrent()->Global()->Get(v8_str("root")))); |
| 1886 | |
| 1887 | // The root object should be in a sane state. |
| 1888 | CHECK(root->IsJSObject()); |
| 1889 | CHECK(root->map()->IsMap()); |
| 1890 | } |
yangguo@chromium.org | de0db00 | 2012-06-22 13:44:28 +0000 | [diff] [blame] | 1891 | |
| 1892 | |
| 1893 | // Implemented in the test-alloc.cc test suite. |
| 1894 | void SimulateFullSpace(PagedSpace* space); |
| 1895 | |
| 1896 | |
| 1897 | TEST(ReleaseOverReservedPages) { |
| 1898 | i::FLAG_trace_gc = true; |
jkummerow@chromium.org | 000f7fb | 2012-08-01 11:14:42 +0000 | [diff] [blame] | 1899 | // The optimizer can allocate stuff, messing up the test. |
| 1900 | i::FLAG_crankshaft = false; |
| 1901 | i::FLAG_always_opt = false; |
yangguo@chromium.org | de0db00 | 2012-06-22 13:44:28 +0000 | [diff] [blame] | 1902 | InitializeVM(); |
| 1903 | v8::HandleScope scope; |
| 1904 | static const int number_of_test_pages = 20; |
| 1905 | |
| 1906 | // Prepare many pages with low live-bytes count. |
| 1907 | PagedSpace* old_pointer_space = HEAP->old_pointer_space(); |
| 1908 | CHECK_EQ(1, old_pointer_space->CountTotalPages()); |
| 1909 | for (int i = 0; i < number_of_test_pages; i++) { |
| 1910 | AlwaysAllocateScope always_allocate; |
| 1911 | SimulateFullSpace(old_pointer_space); |
| 1912 | FACTORY->NewFixedArray(1, TENURED); |
| 1913 | } |
| 1914 | CHECK_EQ(number_of_test_pages + 1, old_pointer_space->CountTotalPages()); |
| 1915 | |
| 1916 | // Triggering one GC will cause a lot of garbage to be discovered but |
| 1917 | // even spread across all allocated pages. |
| 1918 | HEAP->CollectAllGarbage(Heap::kNoGCFlags, "triggered for preparation"); |
| 1919 | CHECK_EQ(number_of_test_pages + 1, old_pointer_space->CountTotalPages()); |
| 1920 | |
| 1921 | // Triggering subsequent GCs should cause at least half of the pages |
| 1922 | // to be released to the OS after at most two cycles. |
| 1923 | HEAP->CollectAllGarbage(Heap::kNoGCFlags, "triggered by test 1"); |
| 1924 | CHECK_GE(number_of_test_pages + 1, old_pointer_space->CountTotalPages()); |
| 1925 | HEAP->CollectAllGarbage(Heap::kNoGCFlags, "triggered by test 2"); |
| 1926 | CHECK_GE(number_of_test_pages + 1, old_pointer_space->CountTotalPages() * 2); |
| 1927 | |
| 1928 | // Triggering a last-resort GC should cause all pages to be released |
| 1929 | // to the OS so that other processes can seize the memory. |
| 1930 | HEAP->CollectAllAvailableGarbage("triggered really hard"); |
| 1931 | CHECK_EQ(1, old_pointer_space->CountTotalPages()); |
| 1932 | } |
yangguo@chromium.org | 304cc33 | 2012-07-24 07:59:48 +0000 | [diff] [blame] | 1933 | |
| 1934 | |
| 1935 | TEST(Regress2237) { |
| 1936 | InitializeVM(); |
| 1937 | v8::HandleScope scope; |
| 1938 | Handle<String> slice(HEAP->empty_string()); |
| 1939 | |
| 1940 | { |
| 1941 | // Generate a parent that lives in new-space. |
| 1942 | v8::HandleScope inner_scope; |
| 1943 | const char* c = "This text is long enough to trigger sliced strings."; |
| 1944 | Handle<String> s = FACTORY->NewStringFromAscii(CStrVector(c)); |
| 1945 | CHECK(s->IsSeqAsciiString()); |
| 1946 | CHECK(HEAP->InNewSpace(*s)); |
| 1947 | |
| 1948 | // Generate a sliced string that is based on the above parent and |
| 1949 | // lives in old-space. |
| 1950 | FillUpNewSpace(HEAP->new_space()); |
| 1951 | AlwaysAllocateScope always_allocate; |
| 1952 | Handle<String> t; |
| 1953 | // TODO(mstarzinger): Unfortunately FillUpNewSpace() still leaves |
| 1954 | // some slack, so we need to allocate a few sliced strings. |
| 1955 | for (int i = 0; i < 16; i++) { |
| 1956 | t = FACTORY->NewProperSubString(s, 5, 35); |
| 1957 | } |
| 1958 | CHECK(t->IsSlicedString()); |
| 1959 | CHECK(!HEAP->InNewSpace(*t)); |
| 1960 | *slice.location() = *t.location(); |
| 1961 | } |
| 1962 | |
| 1963 | CHECK(SlicedString::cast(*slice)->parent()->IsSeqAsciiString()); |
| 1964 | HEAP->CollectAllGarbage(Heap::kNoGCFlags); |
| 1965 | CHECK(SlicedString::cast(*slice)->parent()->IsSeqAsciiString()); |
| 1966 | } |
ulan@chromium.org | ea52b5f | 2012-07-30 13:05:33 +0000 | [diff] [blame] | 1967 | |
| 1968 | |
| 1969 | #ifdef OBJECT_PRINT |
| 1970 | TEST(PrintSharedFunctionInfo) { |
| 1971 | InitializeVM(); |
| 1972 | v8::HandleScope scope; |
| 1973 | const char* source = "f = function() { return 987654321; }\n" |
| 1974 | "g = function() { return 123456789; }\n"; |
| 1975 | CompileRun(source); |
| 1976 | Handle<JSFunction> g = |
| 1977 | v8::Utils::OpenHandle( |
| 1978 | *v8::Handle<v8::Function>::Cast( |
| 1979 | v8::Context::GetCurrent()->Global()->Get(v8_str("g")))); |
| 1980 | |
| 1981 | AssertNoAllocation no_alloc; |
| 1982 | g->shared()->PrintLn(); |
| 1983 | } |
| 1984 | #endif // OBJECT_PRINT |
jkummerow@chromium.org | 000f7fb | 2012-08-01 11:14:42 +0000 | [diff] [blame] | 1985 | |
| 1986 | |
| 1987 | TEST(Regress2211) { |
| 1988 | InitializeVM(); |
| 1989 | v8::HandleScope scope; |
| 1990 | |
| 1991 | v8::Handle<v8::String> value = v8_str("val string"); |
| 1992 | Smi* hash = Smi::FromInt(321); |
| 1993 | Heap* heap = Isolate::Current()->heap(); |
| 1994 | |
| 1995 | for (int i = 0; i < 2; i++) { |
| 1996 | // Store identity hash first and common hidden property second. |
| 1997 | v8::Handle<v8::Object> obj = v8::Object::New(); |
| 1998 | Handle<JSObject> internal_obj = v8::Utils::OpenHandle(*obj); |
| 1999 | CHECK(internal_obj->HasFastProperties()); |
| 2000 | |
| 2001 | // In the first iteration, set hidden value first and identity hash second. |
| 2002 | // In the second iteration, reverse the order. |
| 2003 | if (i == 0) obj->SetHiddenValue(v8_str("key string"), value); |
| 2004 | MaybeObject* maybe_obj = internal_obj->SetIdentityHash(hash, |
| 2005 | ALLOW_CREATION); |
| 2006 | CHECK(!maybe_obj->IsFailure()); |
| 2007 | if (i == 1) obj->SetHiddenValue(v8_str("key string"), value); |
| 2008 | |
| 2009 | // Check values. |
| 2010 | CHECK_EQ(hash, |
| 2011 | internal_obj->GetHiddenProperty(heap->identity_hash_symbol())); |
| 2012 | CHECK(value->Equals(obj->GetHiddenValue(v8_str("key string")))); |
| 2013 | |
| 2014 | // Check size. |
| 2015 | DescriptorArray* descriptors = internal_obj->map()->instance_descriptors(); |
| 2016 | ObjectHashTable* hashtable = ObjectHashTable::cast( |
| 2017 | internal_obj->FastPropertyAt(descriptors->GetFieldIndex(0))); |
| 2018 | // HashTable header (5) and 4 initial entries (8). |
| 2019 | CHECK_LE(hashtable->SizeFor(hashtable->length()), 13 * kPointerSize); |
| 2020 | } |
| 2021 | } |
mstarzinger@chromium.org | 471f2f1 | 2012-08-10 14:46:33 +0000 | [diff] [blame^] | 2022 | |
| 2023 | |
| 2024 | TEST(IncrementalMarkingClearsTypeFeedbackCells) { |
| 2025 | if (i::FLAG_always_opt) return; |
| 2026 | InitializeVM(); |
| 2027 | v8::HandleScope scope; |
| 2028 | v8::Local<v8::Value> fun1, fun2; |
| 2029 | |
| 2030 | { |
| 2031 | LocalContext env; |
| 2032 | CompileRun("function fun() {};"); |
| 2033 | fun1 = env->Global()->Get(v8_str("fun")); |
| 2034 | } |
| 2035 | |
| 2036 | { |
| 2037 | LocalContext env; |
| 2038 | CompileRun("function fun() {};"); |
| 2039 | fun2 = env->Global()->Get(v8_str("fun")); |
| 2040 | } |
| 2041 | |
| 2042 | // Prepare function f that contains type feedback for closures |
| 2043 | // originating from two different global contexts. |
| 2044 | v8::Context::GetCurrent()->Global()->Set(v8_str("fun1"), fun1); |
| 2045 | v8::Context::GetCurrent()->Global()->Set(v8_str("fun2"), fun2); |
| 2046 | CompileRun("function f(a, b) { a(); b(); } f(fun1, fun2);"); |
| 2047 | Handle<JSFunction> f = |
| 2048 | v8::Utils::OpenHandle( |
| 2049 | *v8::Handle<v8::Function>::Cast( |
| 2050 | v8::Context::GetCurrent()->Global()->Get(v8_str("f")))); |
| 2051 | Handle<TypeFeedbackCells> cells(TypeFeedbackInfo::cast( |
| 2052 | f->shared()->code()->type_feedback_info())->type_feedback_cells()); |
| 2053 | |
| 2054 | CHECK_EQ(2, cells->CellCount()); |
| 2055 | CHECK(cells->Cell(0)->value()->IsJSFunction()); |
| 2056 | CHECK(cells->Cell(1)->value()->IsJSFunction()); |
| 2057 | |
| 2058 | SimulateIncrementalMarking(); |
| 2059 | HEAP->CollectAllGarbage(Heap::kNoGCFlags); |
| 2060 | |
| 2061 | CHECK_EQ(2, cells->CellCount()); |
| 2062 | CHECK(cells->Cell(0)->value()->IsTheHole()); |
| 2063 | CHECK(cells->Cell(1)->value()->IsTheHole()); |
| 2064 | } |
| 2065 | |
| 2066 | |
| 2067 | static Code* FindFirstIC(Code* code, Code::Kind kind) { |
| 2068 | int mask = RelocInfo::ModeMask(RelocInfo::CODE_TARGET) | |
| 2069 | RelocInfo::ModeMask(RelocInfo::CONSTRUCT_CALL) | |
| 2070 | RelocInfo::ModeMask(RelocInfo::CODE_TARGET_WITH_ID) | |
| 2071 | RelocInfo::ModeMask(RelocInfo::CODE_TARGET_CONTEXT); |
| 2072 | for (RelocIterator it(code, mask); !it.done(); it.next()) { |
| 2073 | RelocInfo* info = it.rinfo(); |
| 2074 | Code* target = Code::GetCodeFromTargetAddress(info->target_address()); |
| 2075 | if (target->is_inline_cache_stub() && target->kind() == kind) { |
| 2076 | return target; |
| 2077 | } |
| 2078 | } |
| 2079 | return NULL; |
| 2080 | } |
| 2081 | |
| 2082 | |
| 2083 | TEST(IncrementalMarkingPreservesMonomorhpicIC) { |
| 2084 | if (i::FLAG_always_opt) return; |
| 2085 | InitializeVM(); |
| 2086 | v8::HandleScope scope; |
| 2087 | |
| 2088 | // Prepare function f that contains a monomorphic IC for object |
| 2089 | // originating from the same global context. |
| 2090 | CompileRun("function fun() { this.x = 1; }; var obj = new fun();" |
| 2091 | "function f(o) { return o.x; } f(obj); f(obj);"); |
| 2092 | Handle<JSFunction> f = |
| 2093 | v8::Utils::OpenHandle( |
| 2094 | *v8::Handle<v8::Function>::Cast( |
| 2095 | v8::Context::GetCurrent()->Global()->Get(v8_str("f")))); |
| 2096 | |
| 2097 | Code* ic_before = FindFirstIC(f->shared()->code(), Code::LOAD_IC); |
| 2098 | CHECK(ic_before->ic_state() == MONOMORPHIC); |
| 2099 | |
| 2100 | // Fire context dispose notification. |
| 2101 | v8::V8::ContextDisposedNotification(); |
| 2102 | SimulateIncrementalMarking(); |
| 2103 | HEAP->CollectAllGarbage(Heap::kNoGCFlags); |
| 2104 | |
| 2105 | Code* ic_after = FindFirstIC(f->shared()->code(), Code::LOAD_IC); |
| 2106 | CHECK(ic_after->ic_state() == MONOMORPHIC); |
| 2107 | } |
| 2108 | |
| 2109 | |
| 2110 | TEST(IncrementalMarkingClearsMonomorhpicIC) { |
| 2111 | if (i::FLAG_always_opt) return; |
| 2112 | InitializeVM(); |
| 2113 | v8::HandleScope scope; |
| 2114 | v8::Local<v8::Value> obj1; |
| 2115 | |
| 2116 | { |
| 2117 | LocalContext env; |
| 2118 | CompileRun("function fun() { this.x = 1; }; var obj = new fun();"); |
| 2119 | obj1 = env->Global()->Get(v8_str("obj")); |
| 2120 | } |
| 2121 | |
| 2122 | // Prepare function f that contains a monomorphic IC for object |
| 2123 | // originating from a different global context. |
| 2124 | v8::Context::GetCurrent()->Global()->Set(v8_str("obj1"), obj1); |
| 2125 | CompileRun("function f(o) { return o.x; } f(obj1); f(obj1);"); |
| 2126 | Handle<JSFunction> f = |
| 2127 | v8::Utils::OpenHandle( |
| 2128 | *v8::Handle<v8::Function>::Cast( |
| 2129 | v8::Context::GetCurrent()->Global()->Get(v8_str("f")))); |
| 2130 | |
| 2131 | Code* ic_before = FindFirstIC(f->shared()->code(), Code::LOAD_IC); |
| 2132 | CHECK(ic_before->ic_state() == MONOMORPHIC); |
| 2133 | |
| 2134 | // Fire context dispose notification. |
| 2135 | v8::V8::ContextDisposedNotification(); |
| 2136 | SimulateIncrementalMarking(); |
| 2137 | HEAP->CollectAllGarbage(Heap::kNoGCFlags); |
| 2138 | |
| 2139 | Code* ic_after = FindFirstIC(f->shared()->code(), Code::LOAD_IC); |
| 2140 | CHECK(ic_after->ic_state() == UNINITIALIZED); |
| 2141 | } |
| 2142 | |
| 2143 | |
| 2144 | TEST(IncrementalMarkingClearsPolymorhpicIC) { |
| 2145 | if (i::FLAG_always_opt) return; |
| 2146 | InitializeVM(); |
| 2147 | v8::HandleScope scope; |
| 2148 | v8::Local<v8::Value> obj1, obj2; |
| 2149 | |
| 2150 | { |
| 2151 | LocalContext env; |
| 2152 | CompileRun("function fun() { this.x = 1; }; var obj = new fun();"); |
| 2153 | obj1 = env->Global()->Get(v8_str("obj")); |
| 2154 | } |
| 2155 | |
| 2156 | { |
| 2157 | LocalContext env; |
| 2158 | CompileRun("function fun() { this.x = 2; }; var obj = new fun();"); |
| 2159 | obj2 = env->Global()->Get(v8_str("obj")); |
| 2160 | } |
| 2161 | |
| 2162 | // Prepare function f that contains a polymorphic IC for objects |
| 2163 | // originating from two different global contexts. |
| 2164 | v8::Context::GetCurrent()->Global()->Set(v8_str("obj1"), obj1); |
| 2165 | v8::Context::GetCurrent()->Global()->Set(v8_str("obj2"), obj2); |
| 2166 | CompileRun("function f(o) { return o.x; } f(obj1); f(obj1); f(obj2);"); |
| 2167 | Handle<JSFunction> f = |
| 2168 | v8::Utils::OpenHandle( |
| 2169 | *v8::Handle<v8::Function>::Cast( |
| 2170 | v8::Context::GetCurrent()->Global()->Get(v8_str("f")))); |
| 2171 | |
| 2172 | Code* ic_before = FindFirstIC(f->shared()->code(), Code::LOAD_IC); |
| 2173 | CHECK(ic_before->ic_state() == MEGAMORPHIC); |
| 2174 | |
| 2175 | // Fire context dispose notification. |
| 2176 | v8::V8::ContextDisposedNotification(); |
| 2177 | SimulateIncrementalMarking(); |
| 2178 | HEAP->CollectAllGarbage(Heap::kNoGCFlags); |
| 2179 | |
| 2180 | Code* ic_after = FindFirstIC(f->shared()->code(), Code::LOAD_IC); |
| 2181 | CHECK(ic_after->ic_state() == UNINITIALIZED); |
| 2182 | } |