fschneider@chromium.org | fb144a0 | 2011-05-04 12:43:48 +0000 | [diff] [blame] | 1 | // Copyright 2011 the V8 project authors. All rights reserved. |
christian.plesner.hansen@gmail.com | 2bc58ef | 2009-09-22 10:00:30 +0000 | [diff] [blame] | 2 | // |
| 3 | // Tests for heap profiler |
| 4 | |
christian.plesner.hansen@gmail.com | 2bc58ef | 2009-09-22 10:00:30 +0000 | [diff] [blame] | 5 | #include "v8.h" |
fschneider@chromium.org | fb144a0 | 2011-05-04 12:43:48 +0000 | [diff] [blame] | 6 | |
| 7 | #include "cctest.h" |
christian.plesner.hansen@gmail.com | 2bc58ef | 2009-09-22 10:00:30 +0000 | [diff] [blame] | 8 | #include "heap-profiler.h" |
whesse@chromium.org | 2c186ca | 2010-06-16 11:32:39 +0000 | [diff] [blame] | 9 | #include "snapshot.h" |
fschneider@chromium.org | fb144a0 | 2011-05-04 12:43:48 +0000 | [diff] [blame] | 10 | #include "utils-inl.h" |
whesse@chromium.org | 2c186ca | 2010-06-16 11:32:39 +0000 | [diff] [blame] | 11 | #include "../include/v8-profiler.h" |
christian.plesner.hansen@gmail.com | 2bc58ef | 2009-09-22 10:00:30 +0000 | [diff] [blame] | 12 | |
whesse@chromium.org | 2c186ca | 2010-06-16 11:32:39 +0000 | [diff] [blame] | 13 | namespace { |
| 14 | |
| 15 | class NamedEntriesDetector { |
| 16 | public: |
| 17 | NamedEntriesDetector() |
ager@chromium.org | 01fe7df | 2010-11-10 11:59:11 +0000 | [diff] [blame] | 18 | : has_A2(false), has_B2(false), has_C2(false) { |
whesse@chromium.org | 2c186ca | 2010-06-16 11:32:39 +0000 | [diff] [blame] | 19 | } |
| 20 | |
vegorov@chromium.org | 26c16f8 | 2010-08-11 13:41:03 +0000 | [diff] [blame] | 21 | void Apply(i::HeapEntry** entry_ptr) { |
vegorov@chromium.org | 26c16f8 | 2010-08-11 13:41:03 +0000 | [diff] [blame] | 22 | if (IsReachableNodeWithName(*entry_ptr, "A2")) has_A2 = true; |
| 23 | if (IsReachableNodeWithName(*entry_ptr, "B2")) has_B2 = true; |
| 24 | if (IsReachableNodeWithName(*entry_ptr, "C2")) has_C2 = true; |
| 25 | } |
| 26 | |
| 27 | static bool IsReachableNodeWithName(i::HeapEntry* entry, const char* name) { |
| 28 | return strcmp(name, entry->name()) == 0 && entry->painted_reachable(); |
whesse@chromium.org | 2c186ca | 2010-06-16 11:32:39 +0000 | [diff] [blame] | 29 | } |
| 30 | |
whesse@chromium.org | 2c186ca | 2010-06-16 11:32:39 +0000 | [diff] [blame] | 31 | bool has_A2; |
| 32 | bool has_B2; |
| 33 | bool has_C2; |
| 34 | }; |
| 35 | |
| 36 | } // namespace |
| 37 | |
ricow@chromium.org | 5ad5ace | 2010-06-23 09:06:43 +0000 | [diff] [blame] | 38 | |
| 39 | static const v8::HeapGraphNode* GetGlobalObject( |
| 40 | const v8::HeapSnapshot* snapshot) { |
vegorov@chromium.org | 21b5e95 | 2010-11-23 10:24:40 +0000 | [diff] [blame] | 41 | CHECK_EQ(2, snapshot->GetRoot()->GetChildrenCount()); |
| 42 | const v8::HeapGraphNode* global_obj = |
| 43 | snapshot->GetRoot()->GetChild(0)->GetToNode(); |
ricow@chromium.org | d2be901 | 2011-06-01 06:00:58 +0000 | [diff] [blame] | 44 | CHECK_EQ(0, strncmp("Object", const_cast<i::HeapEntry*>( |
| 45 | reinterpret_cast<const i::HeapEntry*>(global_obj))->name(), 6)); |
vegorov@chromium.org | 21b5e95 | 2010-11-23 10:24:40 +0000 | [diff] [blame] | 46 | return global_obj; |
ricow@chromium.org | 5ad5ace | 2010-06-23 09:06:43 +0000 | [diff] [blame] | 47 | } |
| 48 | |
| 49 | |
| 50 | static const v8::HeapGraphNode* GetProperty(const v8::HeapGraphNode* node, |
| 51 | v8::HeapGraphEdge::Type type, |
| 52 | const char* name) { |
| 53 | for (int i = 0, count = node->GetChildrenCount(); i < count; ++i) { |
| 54 | const v8::HeapGraphEdge* prop = node->GetChild(i); |
| 55 | v8::String::AsciiValue prop_name(prop->GetName()); |
| 56 | if (prop->GetType() == type && strcmp(name, *prop_name) == 0) |
| 57 | return prop->GetToNode(); |
| 58 | } |
| 59 | return NULL; |
| 60 | } |
| 61 | |
| 62 | |
| 63 | static bool HasString(const v8::HeapGraphNode* node, const char* contents) { |
| 64 | for (int i = 0, count = node->GetChildrenCount(); i < count; ++i) { |
| 65 | const v8::HeapGraphEdge* prop = node->GetChild(i); |
| 66 | const v8::HeapGraphNode* node = prop->GetToNode(); |
vegorov@chromium.org | 26c16f8 | 2010-08-11 13:41:03 +0000 | [diff] [blame] | 67 | if (node->GetType() == v8::HeapGraphNode::kString) { |
ricow@chromium.org | 5ad5ace | 2010-06-23 09:06:43 +0000 | [diff] [blame] | 68 | v8::String::AsciiValue node_name(node->GetName()); |
| 69 | if (strcmp(contents, *node_name) == 0) return true; |
| 70 | } |
| 71 | } |
| 72 | return false; |
| 73 | } |
| 74 | |
| 75 | |
whesse@chromium.org | 2c186ca | 2010-06-16 11:32:39 +0000 | [diff] [blame] | 76 | TEST(HeapSnapshot) { |
| 77 | v8::HandleScope scope; |
ricow@chromium.org | 4980dff | 2010-07-19 08:33:45 +0000 | [diff] [blame] | 78 | LocalContext env2; |
whesse@chromium.org | 2c186ca | 2010-06-16 11:32:39 +0000 | [diff] [blame] | 79 | |
vegorov@chromium.org | 4284196 | 2010-10-18 11:18:59 +0000 | [diff] [blame] | 80 | CompileRun( |
whesse@chromium.org | 2c186ca | 2010-06-16 11:32:39 +0000 | [diff] [blame] | 81 | "function A2() {}\n" |
| 82 | "function B2(x) { return function() { return typeof x; }; }\n" |
| 83 | "function C2(x) { this.x1 = x; this.x2 = x; this[1] = x; }\n" |
| 84 | "var a2 = new A2();\n" |
| 85 | "var b2_1 = new B2(a2), b2_2 = new B2(a2);\n" |
| 86 | "var c2 = new C2(a2);"); |
| 87 | const v8::HeapSnapshot* snapshot_env2 = |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame^] | 88 | v8::HeapProfiler::TakeSnapshot(v8_str("env2")); |
whesse@chromium.org | 2c186ca | 2010-06-16 11:32:39 +0000 | [diff] [blame] | 89 | i::HeapSnapshot* i_snapshot_env2 = |
| 90 | const_cast<i::HeapSnapshot*>( |
| 91 | reinterpret_cast<const i::HeapSnapshot*>(snapshot_env2)); |
vegorov@chromium.org | 26c16f8 | 2010-08-11 13:41:03 +0000 | [diff] [blame] | 92 | const v8::HeapGraphNode* global_env2 = GetGlobalObject(snapshot_env2); |
| 93 | // Paint all nodes reachable from global object. |
| 94 | i_snapshot_env2->ClearPaint(); |
| 95 | const_cast<i::HeapEntry*>( |
| 96 | reinterpret_cast<const i::HeapEntry*>(global_env2))->PaintAllReachable(); |
| 97 | |
ager@chromium.org | 01fe7df | 2010-11-10 11:59:11 +0000 | [diff] [blame] | 98 | // Verify, that JS global object of env2 has '..2' properties. |
vegorov@chromium.org | 26c16f8 | 2010-08-11 13:41:03 +0000 | [diff] [blame] | 99 | const v8::HeapGraphNode* a2_node = |
vegorov@chromium.org | 21b5e95 | 2010-11-23 10:24:40 +0000 | [diff] [blame] | 100 | GetProperty(global_env2, v8::HeapGraphEdge::kShortcut, "a2"); |
vegorov@chromium.org | 26c16f8 | 2010-08-11 13:41:03 +0000 | [diff] [blame] | 101 | CHECK_NE(NULL, a2_node); |
| 102 | CHECK_NE( |
vegorov@chromium.org | 21b5e95 | 2010-11-23 10:24:40 +0000 | [diff] [blame] | 103 | NULL, GetProperty(global_env2, v8::HeapGraphEdge::kShortcut, "b2_1")); |
vegorov@chromium.org | 26c16f8 | 2010-08-11 13:41:03 +0000 | [diff] [blame] | 104 | CHECK_NE( |
vegorov@chromium.org | 21b5e95 | 2010-11-23 10:24:40 +0000 | [diff] [blame] | 105 | NULL, GetProperty(global_env2, v8::HeapGraphEdge::kShortcut, "b2_2")); |
| 106 | CHECK_NE(NULL, GetProperty(global_env2, v8::HeapGraphEdge::kShortcut, "c2")); |
vegorov@chromium.org | 26c16f8 | 2010-08-11 13:41:03 +0000 | [diff] [blame] | 107 | |
vegorov@chromium.org | 26c16f8 | 2010-08-11 13:41:03 +0000 | [diff] [blame] | 108 | NamedEntriesDetector det; |
whesse@chromium.org | 2c186ca | 2010-06-16 11:32:39 +0000 | [diff] [blame] | 109 | i_snapshot_env2->IterateEntries(&det); |
whesse@chromium.org | 2c186ca | 2010-06-16 11:32:39 +0000 | [diff] [blame] | 110 | CHECK(det.has_A2); |
| 111 | CHECK(det.has_B2); |
| 112 | CHECK(det.has_C2); |
whesse@chromium.org | 2c186ca | 2010-06-16 11:32:39 +0000 | [diff] [blame] | 113 | } |
| 114 | |
ricow@chromium.org | 5ad5ace | 2010-06-23 09:06:43 +0000 | [diff] [blame] | 115 | |
vegorov@chromium.org | 26c16f8 | 2010-08-11 13:41:03 +0000 | [diff] [blame] | 116 | TEST(HeapSnapshotObjectSizes) { |
| 117 | v8::HandleScope scope; |
| 118 | LocalContext env; |
| 119 | |
| 120 | // -a-> X1 --a |
| 121 | // x -b-> X2 <-| |
vegorov@chromium.org | 4284196 | 2010-10-18 11:18:59 +0000 | [diff] [blame] | 122 | CompileRun( |
vegorov@chromium.org | 26c16f8 | 2010-08-11 13:41:03 +0000 | [diff] [blame] | 123 | "function X(a, b) { this.a = a; this.b = b; }\n" |
| 124 | "x = new X(new X(), new X());\n" |
vegorov@chromium.org | 21b5e95 | 2010-11-23 10:24:40 +0000 | [diff] [blame] | 125 | "(function() { x.a.a = x.b; })();"); |
vegorov@chromium.org | 26c16f8 | 2010-08-11 13:41:03 +0000 | [diff] [blame] | 126 | const v8::HeapSnapshot* snapshot = |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame^] | 127 | v8::HeapProfiler::TakeSnapshot(v8_str("sizes")); |
vegorov@chromium.org | 26c16f8 | 2010-08-11 13:41:03 +0000 | [diff] [blame] | 128 | const v8::HeapGraphNode* global = GetGlobalObject(snapshot); |
| 129 | const v8::HeapGraphNode* x = |
vegorov@chromium.org | 21b5e95 | 2010-11-23 10:24:40 +0000 | [diff] [blame] | 130 | GetProperty(global, v8::HeapGraphEdge::kShortcut, "x"); |
vegorov@chromium.org | 26c16f8 | 2010-08-11 13:41:03 +0000 | [diff] [blame] | 131 | CHECK_NE(NULL, x); |
vegorov@chromium.org | 26c16f8 | 2010-08-11 13:41:03 +0000 | [diff] [blame] | 132 | const v8::HeapGraphNode* x1 = |
| 133 | GetProperty(x, v8::HeapGraphEdge::kProperty, "a"); |
| 134 | CHECK_NE(NULL, x1); |
| 135 | const v8::HeapGraphNode* x2 = |
| 136 | GetProperty(x, v8::HeapGraphEdge::kProperty, "b"); |
| 137 | CHECK_NE(NULL, x2); |
vegorov@chromium.org | 21b5e95 | 2010-11-23 10:24:40 +0000 | [diff] [blame] | 138 | |
| 139 | // Test approximate sizes. |
| 140 | CHECK_EQ(x->GetSelfSize() * 3, x->GetRetainedSize(false)); |
| 141 | CHECK_EQ(x1->GetSelfSize(), x1->GetRetainedSize(false)); |
| 142 | CHECK_EQ(x2->GetSelfSize(), x2->GetRetainedSize(false)); |
| 143 | // Test exact sizes. |
| 144 | CHECK_EQ(x->GetSelfSize() * 3, x->GetRetainedSize(true)); |
| 145 | CHECK_EQ(x1->GetSelfSize(), x1->GetRetainedSize(true)); |
| 146 | CHECK_EQ(x2->GetSelfSize(), x2->GetRetainedSize(true)); |
vegorov@chromium.org | 26c16f8 | 2010-08-11 13:41:03 +0000 | [diff] [blame] | 147 | } |
| 148 | |
| 149 | |
| 150 | TEST(HeapSnapshotEntryChildren) { |
| 151 | v8::HandleScope scope; |
| 152 | LocalContext env; |
| 153 | |
vegorov@chromium.org | 4284196 | 2010-10-18 11:18:59 +0000 | [diff] [blame] | 154 | CompileRun( |
vegorov@chromium.org | 26c16f8 | 2010-08-11 13:41:03 +0000 | [diff] [blame] | 155 | "function A() { }\n" |
| 156 | "a = new A;"); |
| 157 | const v8::HeapSnapshot* snapshot = |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame^] | 158 | v8::HeapProfiler::TakeSnapshot(v8_str("children")); |
vegorov@chromium.org | 26c16f8 | 2010-08-11 13:41:03 +0000 | [diff] [blame] | 159 | const v8::HeapGraphNode* global = GetGlobalObject(snapshot); |
| 160 | for (int i = 0, count = global->GetChildrenCount(); i < count; ++i) { |
| 161 | const v8::HeapGraphEdge* prop = global->GetChild(i); |
| 162 | CHECK_EQ(global, prop->GetFromNode()); |
| 163 | } |
| 164 | const v8::HeapGraphNode* a = |
| 165 | GetProperty(global, v8::HeapGraphEdge::kProperty, "a"); |
| 166 | CHECK_NE(NULL, a); |
| 167 | for (int i = 0, count = a->GetChildrenCount(); i < count; ++i) { |
| 168 | const v8::HeapGraphEdge* prop = a->GetChild(i); |
| 169 | CHECK_EQ(a, prop->GetFromNode()); |
| 170 | } |
| 171 | } |
| 172 | |
| 173 | |
ricow@chromium.org | 5ad5ace | 2010-06-23 09:06:43 +0000 | [diff] [blame] | 174 | TEST(HeapSnapshotCodeObjects) { |
| 175 | v8::HandleScope scope; |
ricow@chromium.org | 4980dff | 2010-07-19 08:33:45 +0000 | [diff] [blame] | 176 | LocalContext env; |
ricow@chromium.org | 5ad5ace | 2010-06-23 09:06:43 +0000 | [diff] [blame] | 177 | |
vegorov@chromium.org | 4284196 | 2010-10-18 11:18:59 +0000 | [diff] [blame] | 178 | CompileRun( |
ricow@chromium.org | 5ad5ace | 2010-06-23 09:06:43 +0000 | [diff] [blame] | 179 | "function lazy(x) { return x - 1; }\n" |
| 180 | "function compiled(x) { return x + 1; }\n" |
erik.corry@gmail.com | 145eff5 | 2010-08-23 11:36:18 +0000 | [diff] [blame] | 181 | "var anonymous = (function() { return function() { return 0; } })();\n" |
ricow@chromium.org | 5ad5ace | 2010-06-23 09:06:43 +0000 | [diff] [blame] | 182 | "compiled(1)"); |
| 183 | const v8::HeapSnapshot* snapshot = |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame^] | 184 | v8::HeapProfiler::TakeSnapshot(v8_str("code")); |
ricow@chromium.org | 5ad5ace | 2010-06-23 09:06:43 +0000 | [diff] [blame] | 185 | |
| 186 | const v8::HeapGraphNode* global = GetGlobalObject(snapshot); |
| 187 | const v8::HeapGraphNode* compiled = |
vegorov@chromium.org | 21b5e95 | 2010-11-23 10:24:40 +0000 | [diff] [blame] | 188 | GetProperty(global, v8::HeapGraphEdge::kShortcut, "compiled"); |
ricow@chromium.org | 5ad5ace | 2010-06-23 09:06:43 +0000 | [diff] [blame] | 189 | CHECK_NE(NULL, compiled); |
vegorov@chromium.org | 26c16f8 | 2010-08-11 13:41:03 +0000 | [diff] [blame] | 190 | CHECK_EQ(v8::HeapGraphNode::kClosure, compiled->GetType()); |
ricow@chromium.org | 5ad5ace | 2010-06-23 09:06:43 +0000 | [diff] [blame] | 191 | const v8::HeapGraphNode* lazy = |
vegorov@chromium.org | 21b5e95 | 2010-11-23 10:24:40 +0000 | [diff] [blame] | 192 | GetProperty(global, v8::HeapGraphEdge::kShortcut, "lazy"); |
ricow@chromium.org | 5ad5ace | 2010-06-23 09:06:43 +0000 | [diff] [blame] | 193 | CHECK_NE(NULL, lazy); |
vegorov@chromium.org | 26c16f8 | 2010-08-11 13:41:03 +0000 | [diff] [blame] | 194 | CHECK_EQ(v8::HeapGraphNode::kClosure, lazy->GetType()); |
erik.corry@gmail.com | 145eff5 | 2010-08-23 11:36:18 +0000 | [diff] [blame] | 195 | const v8::HeapGraphNode* anonymous = |
vegorov@chromium.org | 21b5e95 | 2010-11-23 10:24:40 +0000 | [diff] [blame] | 196 | GetProperty(global, v8::HeapGraphEdge::kShortcut, "anonymous"); |
erik.corry@gmail.com | 145eff5 | 2010-08-23 11:36:18 +0000 | [diff] [blame] | 197 | CHECK_NE(NULL, anonymous); |
| 198 | CHECK_EQ(v8::HeapGraphNode::kClosure, anonymous->GetType()); |
| 199 | v8::String::AsciiValue anonymous_name(anonymous->GetName()); |
vegorov@chromium.org | 4284196 | 2010-10-18 11:18:59 +0000 | [diff] [blame] | 200 | CHECK_EQ("", *anonymous_name); |
ricow@chromium.org | 5ad5ace | 2010-06-23 09:06:43 +0000 | [diff] [blame] | 201 | |
| 202 | // Find references to code. |
| 203 | const v8::HeapGraphNode* compiled_code = |
kmillikin@chromium.org | c36ce6e | 2011-04-04 08:25:31 +0000 | [diff] [blame] | 204 | GetProperty(compiled, v8::HeapGraphEdge::kInternal, "shared"); |
ricow@chromium.org | 5ad5ace | 2010-06-23 09:06:43 +0000 | [diff] [blame] | 205 | CHECK_NE(NULL, compiled_code); |
| 206 | const v8::HeapGraphNode* lazy_code = |
kmillikin@chromium.org | c36ce6e | 2011-04-04 08:25:31 +0000 | [diff] [blame] | 207 | GetProperty(lazy, v8::HeapGraphEdge::kInternal, "shared"); |
ricow@chromium.org | 5ad5ace | 2010-06-23 09:06:43 +0000 | [diff] [blame] | 208 | CHECK_NE(NULL, lazy_code); |
| 209 | |
| 210 | // Verify that non-compiled code doesn't contain references to "x" |
ager@chromium.org | 6a2b0aa | 2010-07-13 20:58:03 +0000 | [diff] [blame] | 211 | // literal, while compiled code does. The scope info is stored in FixedArray |
| 212 | // objects attached to the SharedFunctionInfo. |
ricow@chromium.org | 5ad5ace | 2010-06-23 09:06:43 +0000 | [diff] [blame] | 213 | bool compiled_references_x = false, lazy_references_x = false; |
| 214 | for (int i = 0, count = compiled_code->GetChildrenCount(); i < count; ++i) { |
| 215 | const v8::HeapGraphEdge* prop = compiled_code->GetChild(i); |
| 216 | const v8::HeapGraphNode* node = prop->GetToNode(); |
vegorov@chromium.org | 26c16f8 | 2010-08-11 13:41:03 +0000 | [diff] [blame] | 217 | if (node->GetType() == v8::HeapGraphNode::kArray) { |
ricow@chromium.org | 5ad5ace | 2010-06-23 09:06:43 +0000 | [diff] [blame] | 218 | if (HasString(node, "x")) { |
| 219 | compiled_references_x = true; |
| 220 | break; |
| 221 | } |
| 222 | } |
| 223 | } |
| 224 | for (int i = 0, count = lazy_code->GetChildrenCount(); i < count; ++i) { |
| 225 | const v8::HeapGraphEdge* prop = lazy_code->GetChild(i); |
| 226 | const v8::HeapGraphNode* node = prop->GetToNode(); |
vegorov@chromium.org | 26c16f8 | 2010-08-11 13:41:03 +0000 | [diff] [blame] | 227 | if (node->GetType() == v8::HeapGraphNode::kArray) { |
ricow@chromium.org | 5ad5ace | 2010-06-23 09:06:43 +0000 | [diff] [blame] | 228 | if (HasString(node, "x")) { |
| 229 | lazy_references_x = true; |
| 230 | break; |
| 231 | } |
| 232 | } |
| 233 | } |
| 234 | CHECK(compiled_references_x); |
| 235 | CHECK(!lazy_references_x); |
| 236 | } |
| 237 | |
ricow@chromium.org | 4980dff | 2010-07-19 08:33:45 +0000 | [diff] [blame] | 238 | |
vegorov@chromium.org | 4284196 | 2010-10-18 11:18:59 +0000 | [diff] [blame] | 239 | TEST(HeapSnapshotHeapNumbers) { |
| 240 | v8::HandleScope scope; |
| 241 | LocalContext env; |
| 242 | CompileRun( |
| 243 | "a = 1; // a is Smi\n" |
| 244 | "b = 2.5; // b is HeapNumber"); |
| 245 | const v8::HeapSnapshot* snapshot = |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame^] | 246 | v8::HeapProfiler::TakeSnapshot(v8_str("numbers")); |
vegorov@chromium.org | 4284196 | 2010-10-18 11:18:59 +0000 | [diff] [blame] | 247 | const v8::HeapGraphNode* global = GetGlobalObject(snapshot); |
vegorov@chromium.org | 21b5e95 | 2010-11-23 10:24:40 +0000 | [diff] [blame] | 248 | CHECK_EQ(NULL, GetProperty(global, v8::HeapGraphEdge::kShortcut, "a")); |
vegorov@chromium.org | 4284196 | 2010-10-18 11:18:59 +0000 | [diff] [blame] | 249 | const v8::HeapGraphNode* b = |
vegorov@chromium.org | 21b5e95 | 2010-11-23 10:24:40 +0000 | [diff] [blame] | 250 | GetProperty(global, v8::HeapGraphEdge::kShortcut, "b"); |
vegorov@chromium.org | 4284196 | 2010-10-18 11:18:59 +0000 | [diff] [blame] | 251 | CHECK_NE(NULL, b); |
| 252 | CHECK_EQ(v8::HeapGraphNode::kHeapNumber, b->GetType()); |
| 253 | } |
| 254 | |
| 255 | |
| 256 | TEST(HeapSnapshotInternalReferences) { |
| 257 | v8::HandleScope scope; |
| 258 | v8::Local<v8::ObjectTemplate> global_template = v8::ObjectTemplate::New(); |
| 259 | global_template->SetInternalFieldCount(2); |
| 260 | LocalContext env(NULL, global_template); |
| 261 | v8::Handle<v8::Object> global_proxy = env->Global(); |
| 262 | v8::Handle<v8::Object> global = global_proxy->GetPrototype().As<v8::Object>(); |
| 263 | CHECK_EQ(2, global->InternalFieldCount()); |
| 264 | v8::Local<v8::Object> obj = v8::Object::New(); |
| 265 | global->SetInternalField(0, v8_num(17)); |
| 266 | global->SetInternalField(1, obj); |
| 267 | const v8::HeapSnapshot* snapshot = |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame^] | 268 | v8::HeapProfiler::TakeSnapshot(v8_str("internals")); |
vegorov@chromium.org | 4284196 | 2010-10-18 11:18:59 +0000 | [diff] [blame] | 269 | const v8::HeapGraphNode* global_node = GetGlobalObject(snapshot); |
| 270 | // The first reference will not present, because it's a Smi. |
| 271 | CHECK_EQ(NULL, GetProperty(global_node, v8::HeapGraphEdge::kInternal, "0")); |
| 272 | // The second reference is to an object. |
| 273 | CHECK_NE(NULL, GetProperty(global_node, v8::HeapGraphEdge::kInternal, "1")); |
| 274 | } |
| 275 | |
| 276 | |
ricow@chromium.org | 4980dff | 2010-07-19 08:33:45 +0000 | [diff] [blame] | 277 | // Trying to introduce a check helper for uint64_t causes many |
| 278 | // overloading ambiguities, so it seems easier just to cast |
| 279 | // them to a signed type. |
| 280 | #define CHECK_EQ_UINT64_T(a, b) \ |
| 281 | CHECK_EQ(static_cast<int64_t>(a), static_cast<int64_t>(b)) |
vegorov@chromium.org | 26c16f8 | 2010-08-11 13:41:03 +0000 | [diff] [blame] | 282 | #define CHECK_NE_UINT64_T(a, b) \ |
| 283 | CHECK((a) != (b)) // NOLINT |
ricow@chromium.org | 4980dff | 2010-07-19 08:33:45 +0000 | [diff] [blame] | 284 | |
| 285 | TEST(HeapEntryIdsAndGC) { |
| 286 | v8::HandleScope scope; |
| 287 | LocalContext env; |
| 288 | |
vegorov@chromium.org | 4284196 | 2010-10-18 11:18:59 +0000 | [diff] [blame] | 289 | CompileRun( |
ricow@chromium.org | 4980dff | 2010-07-19 08:33:45 +0000 | [diff] [blame] | 290 | "function A() {}\n" |
| 291 | "function B(x) { this.x = x; }\n" |
| 292 | "var a = new A();\n" |
| 293 | "var b = new B(a);"); |
| 294 | const v8::HeapSnapshot* snapshot1 = |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame^] | 295 | v8::HeapProfiler::TakeSnapshot(v8_str("s1")); |
ricow@chromium.org | 4980dff | 2010-07-19 08:33:45 +0000 | [diff] [blame] | 296 | |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame^] | 297 | HEAP->CollectAllGarbage(i::Heap::kNoGCFlags); |
ricow@chromium.org | 4980dff | 2010-07-19 08:33:45 +0000 | [diff] [blame] | 298 | |
| 299 | const v8::HeapSnapshot* snapshot2 = |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame^] | 300 | v8::HeapProfiler::TakeSnapshot(v8_str("s2")); |
ricow@chromium.org | 4980dff | 2010-07-19 08:33:45 +0000 | [diff] [blame] | 301 | |
| 302 | const v8::HeapGraphNode* global1 = GetGlobalObject(snapshot1); |
| 303 | const v8::HeapGraphNode* global2 = GetGlobalObject(snapshot2); |
| 304 | CHECK_NE_UINT64_T(0, global1->GetId()); |
| 305 | CHECK_EQ_UINT64_T(global1->GetId(), global2->GetId()); |
| 306 | const v8::HeapGraphNode* A1 = |
vegorov@chromium.org | 26c16f8 | 2010-08-11 13:41:03 +0000 | [diff] [blame] | 307 | GetProperty(global1, v8::HeapGraphEdge::kProperty, "A"); |
| 308 | CHECK_NE(NULL, A1); |
ricow@chromium.org | 4980dff | 2010-07-19 08:33:45 +0000 | [diff] [blame] | 309 | const v8::HeapGraphNode* A2 = |
vegorov@chromium.org | 26c16f8 | 2010-08-11 13:41:03 +0000 | [diff] [blame] | 310 | GetProperty(global2, v8::HeapGraphEdge::kProperty, "A"); |
| 311 | CHECK_NE(NULL, A2); |
ricow@chromium.org | 4980dff | 2010-07-19 08:33:45 +0000 | [diff] [blame] | 312 | CHECK_NE_UINT64_T(0, A1->GetId()); |
| 313 | CHECK_EQ_UINT64_T(A1->GetId(), A2->GetId()); |
| 314 | const v8::HeapGraphNode* B1 = |
vegorov@chromium.org | 26c16f8 | 2010-08-11 13:41:03 +0000 | [diff] [blame] | 315 | GetProperty(global1, v8::HeapGraphEdge::kProperty, "B"); |
| 316 | CHECK_NE(NULL, B1); |
ricow@chromium.org | 4980dff | 2010-07-19 08:33:45 +0000 | [diff] [blame] | 317 | const v8::HeapGraphNode* B2 = |
vegorov@chromium.org | 26c16f8 | 2010-08-11 13:41:03 +0000 | [diff] [blame] | 318 | GetProperty(global2, v8::HeapGraphEdge::kProperty, "B"); |
| 319 | CHECK_NE(NULL, B2); |
ricow@chromium.org | 4980dff | 2010-07-19 08:33:45 +0000 | [diff] [blame] | 320 | CHECK_NE_UINT64_T(0, B1->GetId()); |
| 321 | CHECK_EQ_UINT64_T(B1->GetId(), B2->GetId()); |
| 322 | const v8::HeapGraphNode* a1 = |
vegorov@chromium.org | 26c16f8 | 2010-08-11 13:41:03 +0000 | [diff] [blame] | 323 | GetProperty(global1, v8::HeapGraphEdge::kProperty, "a"); |
| 324 | CHECK_NE(NULL, a1); |
ricow@chromium.org | 4980dff | 2010-07-19 08:33:45 +0000 | [diff] [blame] | 325 | const v8::HeapGraphNode* a2 = |
vegorov@chromium.org | 26c16f8 | 2010-08-11 13:41:03 +0000 | [diff] [blame] | 326 | GetProperty(global2, v8::HeapGraphEdge::kProperty, "a"); |
| 327 | CHECK_NE(NULL, a2); |
ricow@chromium.org | 4980dff | 2010-07-19 08:33:45 +0000 | [diff] [blame] | 328 | CHECK_NE_UINT64_T(0, a1->GetId()); |
| 329 | CHECK_EQ_UINT64_T(a1->GetId(), a2->GetId()); |
| 330 | const v8::HeapGraphNode* b1 = |
vegorov@chromium.org | 26c16f8 | 2010-08-11 13:41:03 +0000 | [diff] [blame] | 331 | GetProperty(global1, v8::HeapGraphEdge::kProperty, "b"); |
| 332 | CHECK_NE(NULL, b1); |
ricow@chromium.org | 4980dff | 2010-07-19 08:33:45 +0000 | [diff] [blame] | 333 | const v8::HeapGraphNode* b2 = |
vegorov@chromium.org | 26c16f8 | 2010-08-11 13:41:03 +0000 | [diff] [blame] | 334 | GetProperty(global2, v8::HeapGraphEdge::kProperty, "b"); |
| 335 | CHECK_NE(NULL, b2); |
ricow@chromium.org | 4980dff | 2010-07-19 08:33:45 +0000 | [diff] [blame] | 336 | CHECK_NE_UINT64_T(0, b1->GetId()); |
| 337 | CHECK_EQ_UINT64_T(b1->GetId(), b2->GetId()); |
| 338 | } |
| 339 | |
| 340 | |
ricow@chromium.org | eb7c144 | 2010-10-04 08:54:21 +0000 | [diff] [blame] | 341 | TEST(HeapSnapshotRootPreservedAfterSorting) { |
| 342 | v8::HandleScope scope; |
| 343 | LocalContext env; |
| 344 | const v8::HeapSnapshot* snapshot = |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame^] | 345 | v8::HeapProfiler::TakeSnapshot(v8_str("s")); |
ricow@chromium.org | eb7c144 | 2010-10-04 08:54:21 +0000 | [diff] [blame] | 346 | const v8::HeapGraphNode* root1 = snapshot->GetRoot(); |
| 347 | const_cast<i::HeapSnapshot*>(reinterpret_cast<const i::HeapSnapshot*>( |
| 348 | snapshot))->GetSortedEntriesList(); |
| 349 | const v8::HeapGraphNode* root2 = snapshot->GetRoot(); |
| 350 | CHECK_EQ(root1, root2); |
| 351 | } |
| 352 | |
| 353 | |
vegorov@chromium.org | 21b5e95 | 2010-11-23 10:24:40 +0000 | [diff] [blame] | 354 | TEST(HeapEntryDominator) { |
| 355 | // The graph looks like this: |
| 356 | // |
| 357 | // -> node1 |
| 358 | // a |^ |
| 359 | // -> node5 ba |
| 360 | // a v| |
| 361 | // node6 -> node2 |
| 362 | // b a |^ |
| 363 | // -> node4 ba |
| 364 | // b v| |
| 365 | // -> node3 |
| 366 | // |
| 367 | // The dominator for all nodes is node6. |
| 368 | |
| 369 | v8::HandleScope scope; |
| 370 | LocalContext env; |
| 371 | |
| 372 | CompileRun( |
| 373 | "function X(a, b) { this.a = a; this.b = b; }\n" |
| 374 | "node6 = new X(new X(new X()), new X(new X(),new X()));\n" |
| 375 | "(function(){\n" |
| 376 | "node6.a.a.b = node6.b.a; // node1 -> node2\n" |
| 377 | "node6.b.a.a = node6.a.a; // node2 -> node1\n" |
| 378 | "node6.b.a.b = node6.b.b; // node2 -> node3\n" |
| 379 | "node6.b.b.a = node6.b.a; // node3 -> node2\n" |
| 380 | "})();"); |
| 381 | |
| 382 | const v8::HeapSnapshot* snapshot = |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame^] | 383 | v8::HeapProfiler::TakeSnapshot(v8_str("dominators")); |
vegorov@chromium.org | 21b5e95 | 2010-11-23 10:24:40 +0000 | [diff] [blame] | 384 | |
| 385 | const v8::HeapGraphNode* global = GetGlobalObject(snapshot); |
| 386 | CHECK_NE(NULL, global); |
| 387 | const v8::HeapGraphNode* node6 = |
| 388 | GetProperty(global, v8::HeapGraphEdge::kShortcut, "node6"); |
| 389 | CHECK_NE(NULL, node6); |
| 390 | const v8::HeapGraphNode* node5 = |
| 391 | GetProperty(node6, v8::HeapGraphEdge::kProperty, "a"); |
| 392 | CHECK_NE(NULL, node5); |
| 393 | const v8::HeapGraphNode* node4 = |
| 394 | GetProperty(node6, v8::HeapGraphEdge::kProperty, "b"); |
| 395 | CHECK_NE(NULL, node4); |
| 396 | const v8::HeapGraphNode* node3 = |
| 397 | GetProperty(node4, v8::HeapGraphEdge::kProperty, "b"); |
| 398 | CHECK_NE(NULL, node3); |
| 399 | const v8::HeapGraphNode* node2 = |
| 400 | GetProperty(node4, v8::HeapGraphEdge::kProperty, "a"); |
| 401 | CHECK_NE(NULL, node2); |
| 402 | const v8::HeapGraphNode* node1 = |
| 403 | GetProperty(node5, v8::HeapGraphEdge::kProperty, "a"); |
| 404 | CHECK_NE(NULL, node1); |
| 405 | |
| 406 | CHECK_EQ(node6, node1->GetDominatorNode()); |
| 407 | CHECK_EQ(node6, node2->GetDominatorNode()); |
| 408 | CHECK_EQ(node6, node3->GetDominatorNode()); |
| 409 | CHECK_EQ(node6, node4->GetDominatorNode()); |
| 410 | CHECK_EQ(node6, node5->GetDominatorNode()); |
| 411 | } |
| 412 | |
| 413 | |
erik.corry@gmail.com | d88afa2 | 2010-09-15 12:33:05 +0000 | [diff] [blame] | 414 | namespace { |
| 415 | |
| 416 | class TestJSONStream : public v8::OutputStream { |
| 417 | public: |
| 418 | TestJSONStream() : eos_signaled_(0), abort_countdown_(-1) {} |
| 419 | explicit TestJSONStream(int abort_countdown) |
| 420 | : eos_signaled_(0), abort_countdown_(abort_countdown) {} |
| 421 | virtual ~TestJSONStream() {} |
| 422 | virtual void EndOfStream() { ++eos_signaled_; } |
| 423 | virtual WriteResult WriteAsciiChunk(char* buffer, int chars_written) { |
| 424 | if (abort_countdown_ > 0) --abort_countdown_; |
| 425 | if (abort_countdown_ == 0) return kAbort; |
| 426 | CHECK_GT(chars_written, 0); |
| 427 | i::Vector<char> chunk = buffer_.AddBlock(chars_written, '\0'); |
| 428 | memcpy(chunk.start(), buffer, chars_written); |
| 429 | return kContinue; |
| 430 | } |
| 431 | void WriteTo(i::Vector<char> dest) { buffer_.WriteTo(dest); } |
| 432 | int eos_signaled() { return eos_signaled_; } |
| 433 | int size() { return buffer_.size(); } |
| 434 | private: |
| 435 | i::Collector<char> buffer_; |
| 436 | int eos_signaled_; |
| 437 | int abort_countdown_; |
| 438 | }; |
| 439 | |
| 440 | class AsciiResource: public v8::String::ExternalAsciiStringResource { |
| 441 | public: |
| 442 | explicit AsciiResource(i::Vector<char> string): data_(string.start()) { |
| 443 | length_ = string.length(); |
| 444 | } |
| 445 | virtual const char* data() const { return data_; } |
| 446 | virtual size_t length() const { return length_; } |
| 447 | private: |
| 448 | const char* data_; |
| 449 | size_t length_; |
| 450 | }; |
| 451 | |
| 452 | } // namespace |
| 453 | |
| 454 | TEST(HeapSnapshotJSONSerialization) { |
| 455 | v8::HandleScope scope; |
| 456 | LocalContext env; |
| 457 | |
| 458 | #define STRING_LITERAL_FOR_TEST \ |
| 459 | "\"String \\n\\r\\u0008\\u0081\\u0101\\u0801\\u8001\"" |
vegorov@chromium.org | 4284196 | 2010-10-18 11:18:59 +0000 | [diff] [blame] | 460 | CompileRun( |
erik.corry@gmail.com | d88afa2 | 2010-09-15 12:33:05 +0000 | [diff] [blame] | 461 | "function A(s) { this.s = s; }\n" |
| 462 | "function B(x) { this.x = x; }\n" |
| 463 | "var a = new A(" STRING_LITERAL_FOR_TEST ");\n" |
| 464 | "var b = new B(a);"); |
| 465 | const v8::HeapSnapshot* snapshot = |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame^] | 466 | v8::HeapProfiler::TakeSnapshot(v8_str("json")); |
erik.corry@gmail.com | d88afa2 | 2010-09-15 12:33:05 +0000 | [diff] [blame] | 467 | TestJSONStream stream; |
| 468 | snapshot->Serialize(&stream, v8::HeapSnapshot::kJSON); |
| 469 | CHECK_GT(stream.size(), 0); |
| 470 | CHECK_EQ(1, stream.eos_signaled()); |
| 471 | i::ScopedVector<char> json(stream.size()); |
| 472 | stream.WriteTo(json); |
| 473 | |
| 474 | // Verify that snapshot string is valid JSON. |
| 475 | AsciiResource json_res(json); |
| 476 | v8::Local<v8::String> json_string = v8::String::NewExternal(&json_res); |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame^] | 477 | env->Global()->Set(v8_str("json_snapshot"), json_string); |
erik.corry@gmail.com | d88afa2 | 2010-09-15 12:33:05 +0000 | [diff] [blame] | 478 | v8::Local<v8::Value> snapshot_parse_result = CompileRun( |
| 479 | "var parsed = JSON.parse(json_snapshot); true;"); |
| 480 | CHECK(!snapshot_parse_result.IsEmpty()); |
| 481 | |
| 482 | // Verify that snapshot object has required fields. |
| 483 | v8::Local<v8::Object> parsed_snapshot = |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame^] | 484 | env->Global()->Get(v8_str("parsed"))->ToObject(); |
| 485 | CHECK(parsed_snapshot->Has(v8_str("snapshot"))); |
| 486 | CHECK(parsed_snapshot->Has(v8_str("nodes"))); |
| 487 | CHECK(parsed_snapshot->Has(v8_str("strings"))); |
erik.corry@gmail.com | d88afa2 | 2010-09-15 12:33:05 +0000 | [diff] [blame] | 488 | |
erik.corry@gmail.com | d88afa2 | 2010-09-15 12:33:05 +0000 | [diff] [blame] | 489 | // Get node and edge "member" offsets. |
| 490 | v8::Local<v8::Value> meta_analysis_result = CompileRun( |
vegorov@chromium.org | 21b5e95 | 2010-11-23 10:24:40 +0000 | [diff] [blame] | 491 | "var parsed_meta = parsed.nodes[0];\n" |
erik.corry@gmail.com | d88afa2 | 2010-09-15 12:33:05 +0000 | [diff] [blame] | 492 | "var children_count_offset =" |
| 493 | " parsed_meta.fields.indexOf('children_count');\n" |
| 494 | "var children_offset =" |
| 495 | " parsed_meta.fields.indexOf('children');\n" |
| 496 | "var children_meta =" |
| 497 | " parsed_meta.types[children_offset];\n" |
| 498 | "var child_fields_count = children_meta.fields.length;\n" |
| 499 | "var child_type_offset =" |
| 500 | " children_meta.fields.indexOf('type');\n" |
| 501 | "var child_name_offset =" |
| 502 | " children_meta.fields.indexOf('name_or_index');\n" |
| 503 | "var child_to_node_offset =" |
| 504 | " children_meta.fields.indexOf('to_node');\n" |
| 505 | "var property_type =" |
vegorov@chromium.org | 21b5e95 | 2010-11-23 10:24:40 +0000 | [diff] [blame] | 506 | " children_meta.types[child_type_offset].indexOf('property');\n" |
| 507 | "var shortcut_type =" |
| 508 | " children_meta.types[child_type_offset].indexOf('shortcut');"); |
erik.corry@gmail.com | d88afa2 | 2010-09-15 12:33:05 +0000 | [diff] [blame] | 509 | CHECK(!meta_analysis_result.IsEmpty()); |
| 510 | |
| 511 | // A helper function for processing encoded nodes. |
| 512 | CompileRun( |
vegorov@chromium.org | 21b5e95 | 2010-11-23 10:24:40 +0000 | [diff] [blame] | 513 | "function GetChildPosByProperty(pos, prop_name, prop_type) {\n" |
erik.corry@gmail.com | d88afa2 | 2010-09-15 12:33:05 +0000 | [diff] [blame] | 514 | " var nodes = parsed.nodes;\n" |
| 515 | " var strings = parsed.strings;\n" |
| 516 | " for (var i = 0,\n" |
| 517 | " count = nodes[pos + children_count_offset] * child_fields_count;\n" |
| 518 | " i < count; i += child_fields_count) {\n" |
| 519 | " var child_pos = pos + children_offset + i;\n" |
vegorov@chromium.org | 21b5e95 | 2010-11-23 10:24:40 +0000 | [diff] [blame] | 520 | " if (nodes[child_pos + child_type_offset] === prop_type\n" |
erik.corry@gmail.com | d88afa2 | 2010-09-15 12:33:05 +0000 | [diff] [blame] | 521 | " && strings[nodes[child_pos + child_name_offset]] === prop_name)\n" |
| 522 | " return nodes[child_pos + child_to_node_offset];\n" |
| 523 | " }\n" |
| 524 | " return null;\n" |
| 525 | "}\n"); |
| 526 | // Get the string index using the path: <root> -> <global>.b.x.s |
| 527 | v8::Local<v8::Value> string_obj_pos_val = CompileRun( |
| 528 | "GetChildPosByProperty(\n" |
| 529 | " GetChildPosByProperty(\n" |
| 530 | " GetChildPosByProperty(" |
vegorov@chromium.org | 21b5e95 | 2010-11-23 10:24:40 +0000 | [diff] [blame] | 531 | " parsed.nodes[1 + children_offset + child_to_node_offset]," |
| 532 | " \"b\",shortcut_type),\n" |
| 533 | " \"x\", property_type)," |
| 534 | " \"s\", property_type)"); |
erik.corry@gmail.com | d88afa2 | 2010-09-15 12:33:05 +0000 | [diff] [blame] | 535 | CHECK(!string_obj_pos_val.IsEmpty()); |
| 536 | int string_obj_pos = |
| 537 | static_cast<int>(string_obj_pos_val->ToNumber()->Value()); |
| 538 | v8::Local<v8::Object> nodes_array = |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame^] | 539 | parsed_snapshot->Get(v8_str("nodes"))->ToObject(); |
erik.corry@gmail.com | d88afa2 | 2010-09-15 12:33:05 +0000 | [diff] [blame] | 540 | int string_index = static_cast<int>( |
| 541 | nodes_array->Get(string_obj_pos + 1)->ToNumber()->Value()); |
| 542 | CHECK_GT(string_index, 0); |
| 543 | v8::Local<v8::Object> strings_array = |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame^] | 544 | parsed_snapshot->Get(v8_str("strings"))->ToObject(); |
erik.corry@gmail.com | d88afa2 | 2010-09-15 12:33:05 +0000 | [diff] [blame] | 545 | v8::Local<v8::String> string = strings_array->Get(string_index)->ToString(); |
| 546 | v8::Local<v8::String> ref_string = |
| 547 | CompileRun(STRING_LITERAL_FOR_TEST)->ToString(); |
| 548 | #undef STRING_LITERAL_FOR_TEST |
| 549 | CHECK_EQ(*v8::String::Utf8Value(ref_string), |
| 550 | *v8::String::Utf8Value(string)); |
| 551 | } |
| 552 | |
| 553 | |
| 554 | TEST(HeapSnapshotJSONSerializationAborting) { |
| 555 | v8::HandleScope scope; |
| 556 | LocalContext env; |
| 557 | const v8::HeapSnapshot* snapshot = |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame^] | 558 | v8::HeapProfiler::TakeSnapshot(v8_str("abort")); |
erik.corry@gmail.com | d88afa2 | 2010-09-15 12:33:05 +0000 | [diff] [blame] | 559 | TestJSONStream stream(5); |
| 560 | snapshot->Serialize(&stream, v8::HeapSnapshot::kJSON); |
| 561 | CHECK_GT(stream.size(), 0); |
| 562 | CHECK_EQ(0, stream.eos_signaled()); |
| 563 | } |
| 564 | |
ager@chromium.org | beb2571 | 2010-11-29 08:02:25 +0000 | [diff] [blame] | 565 | |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 566 | TEST(HeapSnapshotGetNodeById) { |
| 567 | v8::HandleScope scope; |
| 568 | LocalContext env; |
| 569 | |
| 570 | const v8::HeapSnapshot* snapshot = |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame^] | 571 | v8::HeapProfiler::TakeSnapshot(v8_str("id")); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 572 | const v8::HeapGraphNode* root = snapshot->GetRoot(); |
| 573 | CHECK_EQ(root, snapshot->GetNodeById(root->GetId())); |
| 574 | for (int i = 0, count = root->GetChildrenCount(); i < count; ++i) { |
| 575 | const v8::HeapGraphEdge* prop = root->GetChild(i); |
| 576 | CHECK_EQ( |
| 577 | prop->GetToNode(), snapshot->GetNodeById(prop->GetToNode()->GetId())); |
| 578 | } |
| 579 | // Check a big id, which should not exist yet. |
| 580 | CHECK_EQ(NULL, snapshot->GetNodeById(0x1000000UL)); |
| 581 | } |
| 582 | |
ager@chromium.org | 5f0c45f | 2010-12-17 08:51:21 +0000 | [diff] [blame] | 583 | |
| 584 | namespace { |
| 585 | |
| 586 | class TestActivityControl : public v8::ActivityControl { |
| 587 | public: |
| 588 | explicit TestActivityControl(int abort_count) |
| 589 | : done_(0), total_(0), abort_count_(abort_count) {} |
| 590 | ControlOption ReportProgressValue(int done, int total) { |
| 591 | done_ = done; |
| 592 | total_ = total; |
| 593 | return --abort_count_ != 0 ? kContinue : kAbort; |
| 594 | } |
| 595 | int done() { return done_; } |
| 596 | int total() { return total_; } |
| 597 | |
| 598 | private: |
| 599 | int done_; |
| 600 | int total_; |
| 601 | int abort_count_; |
| 602 | }; |
| 603 | } |
| 604 | |
| 605 | TEST(TakeHeapSnapshotAborting) { |
| 606 | v8::HandleScope scope; |
| 607 | LocalContext env; |
| 608 | |
| 609 | const int snapshots_count = v8::HeapProfiler::GetSnapshotsCount(); |
| 610 | TestActivityControl aborting_control(3); |
| 611 | const v8::HeapSnapshot* no_snapshot = |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame^] | 612 | v8::HeapProfiler::TakeSnapshot(v8_str("abort"), |
ager@chromium.org | 5f0c45f | 2010-12-17 08:51:21 +0000 | [diff] [blame] | 613 | v8::HeapSnapshot::kFull, |
| 614 | &aborting_control); |
| 615 | CHECK_EQ(NULL, no_snapshot); |
| 616 | CHECK_EQ(snapshots_count, v8::HeapProfiler::GetSnapshotsCount()); |
| 617 | CHECK_GT(aborting_control.total(), aborting_control.done()); |
| 618 | |
| 619 | TestActivityControl control(-1); // Don't abort. |
| 620 | const v8::HeapSnapshot* snapshot = |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame^] | 621 | v8::HeapProfiler::TakeSnapshot(v8_str("full"), |
ager@chromium.org | 5f0c45f | 2010-12-17 08:51:21 +0000 | [diff] [blame] | 622 | v8::HeapSnapshot::kFull, |
| 623 | &control); |
| 624 | CHECK_NE(NULL, snapshot); |
| 625 | CHECK_EQ(snapshots_count + 1, v8::HeapProfiler::GetSnapshotsCount()); |
| 626 | CHECK_EQ(control.total(), control.done()); |
| 627 | CHECK_GT(control.total(), 0); |
| 628 | } |
| 629 | |
whesse@chromium.org | b08986c | 2011-03-14 16:13:42 +0000 | [diff] [blame] | 630 | |
| 631 | namespace { |
| 632 | |
| 633 | class TestRetainedObjectInfo : public v8::RetainedObjectInfo { |
| 634 | public: |
| 635 | TestRetainedObjectInfo(int hash, |
| 636 | const char* label, |
| 637 | intptr_t element_count = -1, |
| 638 | intptr_t size = -1) |
| 639 | : disposed_(false), |
| 640 | hash_(hash), |
| 641 | label_(label), |
| 642 | element_count_(element_count), |
| 643 | size_(size) { |
| 644 | instances.Add(this); |
| 645 | } |
| 646 | virtual ~TestRetainedObjectInfo() {} |
| 647 | virtual void Dispose() { |
| 648 | CHECK(!disposed_); |
| 649 | disposed_ = true; |
| 650 | } |
| 651 | virtual bool IsEquivalent(RetainedObjectInfo* other) { |
| 652 | return GetHash() == other->GetHash(); |
| 653 | } |
| 654 | virtual intptr_t GetHash() { return hash_; } |
| 655 | virtual const char* GetLabel() { return label_; } |
| 656 | virtual intptr_t GetElementCount() { return element_count_; } |
| 657 | virtual intptr_t GetSizeInBytes() { return size_; } |
| 658 | bool disposed() { return disposed_; } |
| 659 | |
| 660 | static v8::RetainedObjectInfo* WrapperInfoCallback( |
| 661 | uint16_t class_id, v8::Handle<v8::Value> wrapper) { |
| 662 | if (class_id == 1) { |
| 663 | if (wrapper->IsString()) { |
| 664 | v8::String::AsciiValue ascii(wrapper); |
| 665 | if (strcmp(*ascii, "AAA") == 0) |
| 666 | return new TestRetainedObjectInfo(1, "aaa", 100); |
| 667 | else if (strcmp(*ascii, "BBB") == 0) |
| 668 | return new TestRetainedObjectInfo(1, "aaa", 100); |
| 669 | } |
| 670 | } else if (class_id == 2) { |
| 671 | if (wrapper->IsString()) { |
| 672 | v8::String::AsciiValue ascii(wrapper); |
| 673 | if (strcmp(*ascii, "CCC") == 0) |
| 674 | return new TestRetainedObjectInfo(2, "ccc"); |
| 675 | } |
| 676 | } |
| 677 | CHECK(false); |
| 678 | return NULL; |
| 679 | } |
| 680 | |
| 681 | static i::List<TestRetainedObjectInfo*> instances; |
| 682 | |
| 683 | private: |
| 684 | bool disposed_; |
| 685 | int category_; |
| 686 | int hash_; |
| 687 | const char* label_; |
| 688 | intptr_t element_count_; |
| 689 | intptr_t size_; |
| 690 | }; |
| 691 | |
| 692 | |
| 693 | i::List<TestRetainedObjectInfo*> TestRetainedObjectInfo::instances; |
| 694 | } |
| 695 | |
| 696 | |
| 697 | static const v8::HeapGraphNode* GetNode(const v8::HeapGraphNode* parent, |
| 698 | v8::HeapGraphNode::Type type, |
| 699 | const char* name) { |
| 700 | for (int i = 0, count = parent->GetChildrenCount(); i < count; ++i) { |
| 701 | const v8::HeapGraphNode* node = parent->GetChild(i)->GetToNode(); |
| 702 | if (node->GetType() == type && strcmp(name, |
| 703 | const_cast<i::HeapEntry*>( |
| 704 | reinterpret_cast<const i::HeapEntry*>(node))->name()) == 0) { |
| 705 | return node; |
| 706 | } |
| 707 | } |
| 708 | return NULL; |
| 709 | } |
| 710 | |
| 711 | |
| 712 | TEST(HeapSnapshotRetainedObjectInfo) { |
| 713 | v8::HandleScope scope; |
| 714 | LocalContext env; |
| 715 | |
| 716 | v8::HeapProfiler::DefineWrapperClass( |
| 717 | 1, TestRetainedObjectInfo::WrapperInfoCallback); |
| 718 | v8::HeapProfiler::DefineWrapperClass( |
| 719 | 2, TestRetainedObjectInfo::WrapperInfoCallback); |
| 720 | v8::Persistent<v8::String> p_AAA = |
| 721 | v8::Persistent<v8::String>::New(v8_str("AAA")); |
| 722 | p_AAA.SetWrapperClassId(1); |
| 723 | v8::Persistent<v8::String> p_BBB = |
| 724 | v8::Persistent<v8::String>::New(v8_str("BBB")); |
| 725 | p_BBB.SetWrapperClassId(1); |
| 726 | v8::Persistent<v8::String> p_CCC = |
| 727 | v8::Persistent<v8::String>::New(v8_str("CCC")); |
| 728 | p_CCC.SetWrapperClassId(2); |
| 729 | CHECK_EQ(0, TestRetainedObjectInfo::instances.length()); |
| 730 | const v8::HeapSnapshot* snapshot = |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame^] | 731 | v8::HeapProfiler::TakeSnapshot(v8_str("retained")); |
whesse@chromium.org | b08986c | 2011-03-14 16:13:42 +0000 | [diff] [blame] | 732 | |
| 733 | CHECK_EQ(3, TestRetainedObjectInfo::instances.length()); |
| 734 | for (int i = 0; i < TestRetainedObjectInfo::instances.length(); ++i) { |
| 735 | CHECK(TestRetainedObjectInfo::instances[i]->disposed()); |
| 736 | delete TestRetainedObjectInfo::instances[i]; |
| 737 | } |
| 738 | |
| 739 | const v8::HeapGraphNode* natives = GetNode( |
| 740 | snapshot->GetRoot(), v8::HeapGraphNode::kObject, "(Native objects)"); |
| 741 | CHECK_NE(NULL, natives); |
| 742 | CHECK_EQ(2, natives->GetChildrenCount()); |
| 743 | const v8::HeapGraphNode* aaa = GetNode( |
| 744 | natives, v8::HeapGraphNode::kNative, "aaa / 100 entries"); |
| 745 | CHECK_NE(NULL, aaa); |
| 746 | const v8::HeapGraphNode* ccc = GetNode( |
| 747 | natives, v8::HeapGraphNode::kNative, "ccc"); |
| 748 | CHECK_NE(NULL, ccc); |
| 749 | |
| 750 | CHECK_EQ(2, aaa->GetChildrenCount()); |
| 751 | const v8::HeapGraphNode* n_AAA = GetNode( |
| 752 | aaa, v8::HeapGraphNode::kString, "AAA"); |
| 753 | CHECK_NE(NULL, n_AAA); |
| 754 | const v8::HeapGraphNode* n_BBB = GetNode( |
| 755 | aaa, v8::HeapGraphNode::kString, "BBB"); |
| 756 | CHECK_NE(NULL, n_BBB); |
| 757 | CHECK_EQ(1, ccc->GetChildrenCount()); |
| 758 | const v8::HeapGraphNode* n_CCC = GetNode( |
| 759 | ccc, v8::HeapGraphNode::kString, "CCC"); |
| 760 | CHECK_NE(NULL, n_CCC); |
| 761 | |
kmillikin@chromium.org | c36ce6e | 2011-04-04 08:25:31 +0000 | [diff] [blame] | 762 | CHECK_EQ(aaa, GetProperty(n_AAA, v8::HeapGraphEdge::kInternal, "native")); |
| 763 | CHECK_EQ(aaa, GetProperty(n_BBB, v8::HeapGraphEdge::kInternal, "native")); |
| 764 | CHECK_EQ(ccc, GetProperty(n_CCC, v8::HeapGraphEdge::kInternal, "native")); |
whesse@chromium.org | b08986c | 2011-03-14 16:13:42 +0000 | [diff] [blame] | 765 | } |
| 766 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 767 | |
| 768 | TEST(DeleteAllHeapSnapshots) { |
| 769 | v8::HandleScope scope; |
| 770 | LocalContext env; |
| 771 | |
| 772 | CHECK_EQ(0, v8::HeapProfiler::GetSnapshotsCount()); |
| 773 | v8::HeapProfiler::DeleteAllSnapshots(); |
| 774 | CHECK_EQ(0, v8::HeapProfiler::GetSnapshotsCount()); |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame^] | 775 | CHECK_NE(NULL, v8::HeapProfiler::TakeSnapshot(v8_str("1"))); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 776 | CHECK_EQ(1, v8::HeapProfiler::GetSnapshotsCount()); |
| 777 | v8::HeapProfiler::DeleteAllSnapshots(); |
| 778 | CHECK_EQ(0, v8::HeapProfiler::GetSnapshotsCount()); |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame^] | 779 | CHECK_NE(NULL, v8::HeapProfiler::TakeSnapshot(v8_str("1"))); |
| 780 | CHECK_NE(NULL, v8::HeapProfiler::TakeSnapshot(v8_str("2"))); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 781 | CHECK_EQ(2, v8::HeapProfiler::GetSnapshotsCount()); |
| 782 | v8::HeapProfiler::DeleteAllSnapshots(); |
| 783 | CHECK_EQ(0, v8::HeapProfiler::GetSnapshotsCount()); |
| 784 | } |
| 785 | |
| 786 | |
| 787 | TEST(DeleteHeapSnapshot) { |
| 788 | v8::HandleScope scope; |
| 789 | LocalContext env; |
| 790 | |
| 791 | CHECK_EQ(0, v8::HeapProfiler::GetSnapshotsCount()); |
| 792 | const v8::HeapSnapshot* s1 = |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame^] | 793 | v8::HeapProfiler::TakeSnapshot(v8_str("1")); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 794 | CHECK_NE(NULL, s1); |
| 795 | CHECK_EQ(1, v8::HeapProfiler::GetSnapshotsCount()); |
| 796 | unsigned uid1 = s1->GetUid(); |
| 797 | CHECK_EQ(s1, v8::HeapProfiler::FindSnapshot(uid1)); |
| 798 | const_cast<v8::HeapSnapshot*>(s1)->Delete(); |
| 799 | CHECK_EQ(0, v8::HeapProfiler::GetSnapshotsCount()); |
| 800 | CHECK_EQ(NULL, v8::HeapProfiler::FindSnapshot(uid1)); |
| 801 | |
| 802 | const v8::HeapSnapshot* s2 = |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame^] | 803 | v8::HeapProfiler::TakeSnapshot(v8_str("2")); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 804 | CHECK_NE(NULL, s2); |
| 805 | CHECK_EQ(1, v8::HeapProfiler::GetSnapshotsCount()); |
| 806 | unsigned uid2 = s2->GetUid(); |
| 807 | CHECK_NE(static_cast<int>(uid1), static_cast<int>(uid2)); |
| 808 | CHECK_EQ(s2, v8::HeapProfiler::FindSnapshot(uid2)); |
| 809 | const v8::HeapSnapshot* s3 = |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame^] | 810 | v8::HeapProfiler::TakeSnapshot(v8_str("3")); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 811 | CHECK_NE(NULL, s3); |
| 812 | CHECK_EQ(2, v8::HeapProfiler::GetSnapshotsCount()); |
| 813 | unsigned uid3 = s3->GetUid(); |
| 814 | CHECK_NE(static_cast<int>(uid1), static_cast<int>(uid3)); |
| 815 | CHECK_EQ(s3, v8::HeapProfiler::FindSnapshot(uid3)); |
| 816 | const_cast<v8::HeapSnapshot*>(s2)->Delete(); |
| 817 | CHECK_EQ(1, v8::HeapProfiler::GetSnapshotsCount()); |
| 818 | CHECK_EQ(NULL, v8::HeapProfiler::FindSnapshot(uid2)); |
| 819 | CHECK_EQ(s3, v8::HeapProfiler::FindSnapshot(uid3)); |
| 820 | const_cast<v8::HeapSnapshot*>(s3)->Delete(); |
| 821 | CHECK_EQ(0, v8::HeapProfiler::GetSnapshotsCount()); |
| 822 | CHECK_EQ(NULL, v8::HeapProfiler::FindSnapshot(uid3)); |
| 823 | } |
| 824 | |
ricow@chromium.org | d2be901 | 2011-06-01 06:00:58 +0000 | [diff] [blame] | 825 | |
| 826 | TEST(DocumentURL) { |
| 827 | v8::HandleScope scope; |
| 828 | LocalContext env; |
| 829 | |
| 830 | CompileRun("document = { URL:\"abcdefgh\" };"); |
| 831 | |
| 832 | const v8::HeapSnapshot* snapshot = |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame^] | 833 | v8::HeapProfiler::TakeSnapshot(v8_str("document")); |
ricow@chromium.org | d2be901 | 2011-06-01 06:00:58 +0000 | [diff] [blame] | 834 | const v8::HeapGraphNode* global = GetGlobalObject(snapshot); |
| 835 | CHECK_NE(NULL, global); |
| 836 | CHECK_EQ("Object / abcdefgh", |
| 837 | const_cast<i::HeapEntry*>( |
| 838 | reinterpret_cast<const i::HeapEntry*>(global))->name()); |
| 839 | } |
| 840 | |
| 841 | |
| 842 | TEST(DocumentWithException) { |
| 843 | v8::HandleScope scope; |
| 844 | LocalContext env; |
| 845 | |
| 846 | CompileRun( |
| 847 | "this.__defineGetter__(\"document\", function() { throw new Error(); })"); |
| 848 | const v8::HeapSnapshot* snapshot = |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame^] | 849 | v8::HeapProfiler::TakeSnapshot(v8_str("document")); |
ricow@chromium.org | d2be901 | 2011-06-01 06:00:58 +0000 | [diff] [blame] | 850 | const v8::HeapGraphNode* global = GetGlobalObject(snapshot); |
| 851 | CHECK_NE(NULL, global); |
| 852 | CHECK_EQ("Object", |
| 853 | const_cast<i::HeapEntry*>( |
| 854 | reinterpret_cast<const i::HeapEntry*>(global))->name()); |
| 855 | } |
| 856 | |
| 857 | |
| 858 | TEST(DocumentURLWithException) { |
| 859 | v8::HandleScope scope; |
| 860 | LocalContext env; |
| 861 | |
| 862 | CompileRun( |
| 863 | "function URLWithException() {}\n" |
| 864 | "URLWithException.prototype = { get URL() { throw new Error(); } };\n" |
| 865 | "document = { URL: new URLWithException() };"); |
| 866 | const v8::HeapSnapshot* snapshot = |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame^] | 867 | v8::HeapProfiler::TakeSnapshot(v8_str("document")); |
ricow@chromium.org | d2be901 | 2011-06-01 06:00:58 +0000 | [diff] [blame] | 868 | const v8::HeapGraphNode* global = GetGlobalObject(snapshot); |
| 869 | CHECK_NE(NULL, global); |
| 870 | CHECK_EQ("Object", |
| 871 | const_cast<i::HeapEntry*>( |
| 872 | reinterpret_cast<const i::HeapEntry*>(global))->name()); |
| 873 | } |
| 874 | |
lrn@chromium.org | ac2828d | 2011-06-23 06:29:21 +0000 | [diff] [blame] | 875 | |
| 876 | TEST(NodesIteration) { |
| 877 | v8::HandleScope scope; |
| 878 | LocalContext env; |
| 879 | const v8::HeapSnapshot* snapshot = |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame^] | 880 | v8::HeapProfiler::TakeSnapshot(v8_str("iteration")); |
lrn@chromium.org | ac2828d | 2011-06-23 06:29:21 +0000 | [diff] [blame] | 881 | const v8::HeapGraphNode* global = GetGlobalObject(snapshot); |
| 882 | CHECK_NE(NULL, global); |
| 883 | // Verify that we can find this object by iteration. |
| 884 | const int nodes_count = snapshot->GetNodesCount(); |
| 885 | int count = 0; |
| 886 | for (int i = 0; i < nodes_count; ++i) { |
| 887 | if (snapshot->GetNode(i) == global) |
| 888 | ++count; |
| 889 | } |
| 890 | CHECK_EQ(1, count); |
| 891 | } |
ricow@chromium.org | ddd545c | 2011-08-24 12:02:41 +0000 | [diff] [blame] | 892 | |
| 893 | |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame^] | 894 | TEST(GetHeapValue) { |
| 895 | v8::HandleScope scope; |
| 896 | LocalContext env; |
| 897 | |
| 898 | CompileRun("a = { s_prop: \'value\', n_prop: 0.1 };"); |
| 899 | const v8::HeapSnapshot* snapshot = |
| 900 | v8::HeapProfiler::TakeSnapshot(v8_str("value")); |
| 901 | const v8::HeapGraphNode* global = GetGlobalObject(snapshot); |
| 902 | CHECK(global->GetHeapValue()->IsObject()); |
| 903 | v8::Local<v8::Object> js_global = |
| 904 | env->Global()->GetPrototype().As<v8::Object>(); |
| 905 | CHECK(js_global == global->GetHeapValue()); |
| 906 | const v8::HeapGraphNode* obj = GetProperty( |
| 907 | global, v8::HeapGraphEdge::kShortcut, "a"); |
| 908 | CHECK(obj->GetHeapValue()->IsObject()); |
| 909 | v8::Local<v8::Object> js_obj = js_global->Get(v8_str("a")).As<v8::Object>(); |
| 910 | CHECK(js_obj == obj->GetHeapValue()); |
| 911 | const v8::HeapGraphNode* s_prop = |
| 912 | GetProperty(obj, v8::HeapGraphEdge::kProperty, "s_prop"); |
| 913 | v8::Local<v8::String> js_s_prop = |
| 914 | js_obj->Get(v8_str("s_prop")).As<v8::String>(); |
| 915 | CHECK(js_s_prop == s_prop->GetHeapValue()); |
| 916 | const v8::HeapGraphNode* n_prop = |
| 917 | GetProperty(obj, v8::HeapGraphEdge::kProperty, "n_prop"); |
| 918 | v8::Local<v8::Number> js_n_prop = |
| 919 | js_obj->Get(v8_str("n_prop")).As<v8::Number>(); |
| 920 | CHECK(js_n_prop == n_prop->GetHeapValue()); |
| 921 | } |
| 922 | |
| 923 | |
| 924 | TEST(GetHeapValueForDeletedObject) { |
| 925 | v8::HandleScope scope; |
| 926 | LocalContext env; |
| 927 | |
| 928 | // It is impossible to delete a global property, so we are about to delete a |
| 929 | // property of the "a" object. Also, the "p" object can't be an empty one |
| 930 | // because the empty object is static and isn't actually deleted. |
| 931 | CompileRun("a = { p: { r: {} } };"); |
| 932 | const v8::HeapSnapshot* snapshot = |
| 933 | v8::HeapProfiler::TakeSnapshot(v8_str("snapshot")); |
| 934 | const v8::HeapGraphNode* global = GetGlobalObject(snapshot); |
| 935 | const v8::HeapGraphNode* obj = GetProperty( |
| 936 | global, v8::HeapGraphEdge::kShortcut, "a"); |
| 937 | const v8::HeapGraphNode* prop = GetProperty( |
| 938 | obj, v8::HeapGraphEdge::kProperty, "p"); |
| 939 | { |
| 940 | // Perform the check inside a nested local scope to avoid creating a |
| 941 | // reference to the object we are deleting. |
| 942 | v8::HandleScope scope; |
| 943 | CHECK(prop->GetHeapValue()->IsObject()); |
| 944 | } |
| 945 | CompileRun("delete a.p;"); |
| 946 | CHECK(prop->GetHeapValue()->IsUndefined()); |
| 947 | } |
| 948 | |
| 949 | |
ricow@chromium.org | ddd545c | 2011-08-24 12:02:41 +0000 | [diff] [blame] | 950 | static int StringCmp(const char* ref, i::String* act) { |
kmillikin@chromium.org | 83e1682 | 2011-09-13 08:21:47 +0000 | [diff] [blame] | 951 | i::SmartArrayPointer<char> s_act = act->ToCString(); |
ricow@chromium.org | ddd545c | 2011-08-24 12:02:41 +0000 | [diff] [blame] | 952 | int result = strcmp(ref, *s_act); |
| 953 | if (result != 0) |
| 954 | fprintf(stderr, "Expected: \"%s\", Actual: \"%s\"\n", ref, *s_act); |
| 955 | return result; |
| 956 | } |
| 957 | |
| 958 | |
| 959 | TEST(GetConstructorName) { |
| 960 | v8::HandleScope scope; |
| 961 | LocalContext env; |
| 962 | |
| 963 | CompileRun( |
| 964 | "function Constructor1() {};\n" |
| 965 | "var obj1 = new Constructor1();\n" |
| 966 | "var Constructor2 = function() {};\n" |
| 967 | "var obj2 = new Constructor2();\n" |
| 968 | "var obj3 = {};\n" |
| 969 | "obj3.constructor = function Constructor3() {};\n" |
| 970 | "var obj4 = {};\n" |
| 971 | "// Slow properties\n" |
| 972 | "for (var i=0; i<2000; ++i) obj4[\"p\" + i] = i;\n" |
| 973 | "obj4.constructor = function Constructor4() {};\n" |
| 974 | "var obj5 = {};\n" |
| 975 | "var obj6 = {};\n" |
| 976 | "obj6.constructor = 6;"); |
| 977 | v8::Local<v8::Object> js_global = |
| 978 | env->Global()->GetPrototype().As<v8::Object>(); |
| 979 | v8::Local<v8::Object> obj1 = js_global->Get(v8_str("obj1")).As<v8::Object>(); |
| 980 | i::Handle<i::JSObject> js_obj1 = v8::Utils::OpenHandle(*obj1); |
| 981 | CHECK_EQ(0, StringCmp( |
| 982 | "Constructor1", i::V8HeapExplorer::GetConstructorName(*js_obj1))); |
| 983 | v8::Local<v8::Object> obj2 = js_global->Get(v8_str("obj2")).As<v8::Object>(); |
| 984 | i::Handle<i::JSObject> js_obj2 = v8::Utils::OpenHandle(*obj2); |
| 985 | CHECK_EQ(0, StringCmp( |
| 986 | "Constructor2", i::V8HeapExplorer::GetConstructorName(*js_obj2))); |
| 987 | v8::Local<v8::Object> obj3 = js_global->Get(v8_str("obj3")).As<v8::Object>(); |
| 988 | i::Handle<i::JSObject> js_obj3 = v8::Utils::OpenHandle(*obj3); |
| 989 | CHECK_EQ(0, StringCmp( |
| 990 | "Constructor3", i::V8HeapExplorer::GetConstructorName(*js_obj3))); |
| 991 | v8::Local<v8::Object> obj4 = js_global->Get(v8_str("obj4")).As<v8::Object>(); |
| 992 | i::Handle<i::JSObject> js_obj4 = v8::Utils::OpenHandle(*obj4); |
| 993 | CHECK_EQ(0, StringCmp( |
| 994 | "Constructor4", i::V8HeapExplorer::GetConstructorName(*js_obj4))); |
| 995 | v8::Local<v8::Object> obj5 = js_global->Get(v8_str("obj5")).As<v8::Object>(); |
| 996 | i::Handle<i::JSObject> js_obj5 = v8::Utils::OpenHandle(*obj5); |
| 997 | CHECK_EQ(0, StringCmp( |
| 998 | "Object", i::V8HeapExplorer::GetConstructorName(*js_obj5))); |
| 999 | v8::Local<v8::Object> obj6 = js_global->Get(v8_str("obj6")).As<v8::Object>(); |
| 1000 | i::Handle<i::JSObject> js_obj6 = v8::Utils::OpenHandle(*obj6); |
| 1001 | CHECK_EQ(0, StringCmp( |
| 1002 | "Object", i::V8HeapExplorer::GetConstructorName(*js_obj6))); |
| 1003 | } |