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| 1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. | 
| 2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without | 
| 3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are | 
| 4 // met: | 4 // met: | 
| 5 // | 5 // | 
| 6 //     * Redistributions of source code must retain the above copyright | 6 //     * Redistributions of source code must retain the above copyright | 
| 7 //       notice, this list of conditions and the following disclaimer. | 7 //       notice, this list of conditions and the following disclaimer. | 
| 8 //     * Redistributions in binary form must reproduce the above | 8 //     * Redistributions in binary form must reproduce the above | 
| 9 //       copyright notice, this list of conditions and the following | 9 //       copyright notice, this list of conditions and the following | 
| 10 //       disclaimer in the documentation and/or other materials provided | 10 //       disclaimer in the documentation and/or other materials provided | 
| 11 //       with the distribution. | 11 //       with the distribution. | 
| 12 //     * Neither the name of Google Inc. nor the names of its | 12 //     * Neither the name of Google Inc. nor the names of its | 
| 13 //       contributors may be used to endorse or promote products derived | 13 //       contributors may be used to endorse or promote products derived | 
| 14 //       from this software without specific prior written permission. | 14 //       from this software without specific prior written permission. | 
| 15 // | 15 // | 
| 16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | 16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | 
| 17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | 17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | 
| 18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | 18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | 
| 19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | 19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | 
| 20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | 20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | 
| 21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | 21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | 
| 22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | 22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | 
| 23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | 23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | 
| 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 
| 25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 
| 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 
| 27 | 27 | 
| 28 #include "v8.h" | 28 #include "v8.h" | 
| 29 #include "accessors.h" | 29 #include "accessors.h" | 
|  | 30 #include "api.h" | 
| 30 | 31 | 
| 31 #include "cctest.h" | 32 #include "cctest.h" | 
| 32 | 33 | 
| 33 | 34 | 
| 34 using namespace v8::internal; | 35 using namespace v8::internal; | 
| 35 | 36 | 
| 36 | 37 | 
| 37 static MaybeObject* AllocateAfterFailures() { | 38 static MaybeObject* AllocateAfterFailures() { | 
| 38   static int attempts = 0; | 39   static int attempts = 0; | 
| 39   if (++attempts < 3) return Failure::RetryAfterGC(); | 40   if (++attempts < 3) return Failure::RetryAfterGC(); | 
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| 97 TEST(StressHandles) { | 98 TEST(StressHandles) { | 
| 98   v8::HandleScope scope(CcTest::isolate()); | 99   v8::HandleScope scope(CcTest::isolate()); | 
| 99   v8::Handle<v8::Context> env = v8::Context::New(CcTest::isolate()); | 100   v8::Handle<v8::Context> env = v8::Context::New(CcTest::isolate()); | 
| 100   env->Enter(); | 101   env->Enter(); | 
| 101   Handle<Object> o = Test(); | 102   Handle<Object> o = Test(); | 
| 102   CHECK(o->IsSmi() && Smi::cast(*o)->value() == 42); | 103   CHECK(o->IsSmi() && Smi::cast(*o)->value() == 42); | 
| 103   env->Exit(); | 104   env->Exit(); | 
| 104 } | 105 } | 
| 105 | 106 | 
| 106 | 107 | 
| 107 static Object* TestAccessorGet(Isolate* isolate, Object* object, void*) { | 108 void TestGetter( | 
| 108   return *Test(); | 109     v8::Local<v8::String> name, | 
|  | 110     const v8::PropertyCallbackInfo<v8::Value>& info) { | 
|  | 111   i::Isolate* isolate = reinterpret_cast<i::Isolate*>(info.GetIsolate()); | 
|  | 112   HandleScope scope(isolate); | 
|  | 113   info.GetReturnValue().Set(v8::Utils::ToLocal(Test())); | 
| 109 } | 114 } | 
| 110 | 115 | 
| 111 | 116 | 
| 112 const AccessorDescriptor kDescriptor = { | 117 void TestSetter( | 
| 113   TestAccessorGet, | 118     v8::Local<v8::String> name, | 
| 114   0, | 119     v8::Local<v8::Value> value, | 
| 115   0 | 120     const v8::PropertyCallbackInfo<void>& info) { | 
| 116 }; | 121   UNREACHABLE(); | 
|  | 122 } | 
|  | 123 | 
|  | 124 | 
|  | 125 Handle<AccessorInfo> TestAccessorInfo( | 
|  | 126       Isolate* isolate, PropertyAttributes attributes) { | 
|  | 127   Handle<String> name = isolate->factory()->NewStringFromStaticAscii("get"); | 
|  | 128   return Accessors::MakeAccessor(isolate, name, &TestGetter, &TestSetter, | 
|  | 129                                  attributes); | 
|  | 130 } | 
| 117 | 131 | 
| 118 | 132 | 
| 119 TEST(StressJS) { | 133 TEST(StressJS) { | 
| 120   Isolate* isolate = CcTest::i_isolate(); | 134   Isolate* isolate = CcTest::i_isolate(); | 
| 121   Factory* factory = isolate->factory(); | 135   Factory* factory = isolate->factory(); | 
| 122   v8::HandleScope scope(CcTest::isolate()); | 136   v8::HandleScope scope(CcTest::isolate()); | 
| 123   v8::Handle<v8::Context> env = v8::Context::New(CcTest::isolate()); | 137   v8::Handle<v8::Context> env = v8::Context::New(CcTest::isolate()); | 
| 124   env->Enter(); | 138   env->Enter(); | 
| 125   Handle<JSFunction> function = factory->NewFunctionWithPrototype( | 139   Handle<JSFunction> function = factory->NewFunctionWithPrototype( | 
| 126       factory->function_string(), factory->null_value()); | 140       factory->function_string(), factory->null_value()); | 
| 127   // Force the creation of an initial map and set the code to | 141   // Force the creation of an initial map and set the code to | 
| 128   // something empty. | 142   // something empty. | 
| 129   factory->NewJSObject(function); | 143   factory->NewJSObject(function); | 
| 130   function->ReplaceCode(CcTest::i_isolate()->builtins()->builtin( | 144   function->ReplaceCode(CcTest::i_isolate()->builtins()->builtin( | 
| 131       Builtins::kEmptyFunction)); | 145       Builtins::kEmptyFunction)); | 
| 132   // Patch the map to have an accessor for "get". | 146   // Patch the map to have an accessor for "get". | 
| 133   Handle<Map> map(function->initial_map()); | 147   Handle<Map> map(function->initial_map()); | 
| 134   Handle<DescriptorArray> instance_descriptors(map->instance_descriptors()); | 148   Handle<DescriptorArray> instance_descriptors(map->instance_descriptors()); | 
| 135   Handle<Foreign> foreign = factory->NewForeign(&kDescriptor); |  | 
| 136   Handle<String> name = factory->NewStringFromStaticAscii("get"); |  | 
| 137   ASSERT(instance_descriptors->IsEmpty()); | 149   ASSERT(instance_descriptors->IsEmpty()); | 
| 138 | 150 | 
|  | 151   PropertyAttributes attrs = static_cast<PropertyAttributes>(0); | 
|  | 152   Handle<AccessorInfo> foreign = TestAccessorInfo(isolate, attrs); | 
| 139   Map::EnsureDescriptorSlack(map, 1); | 153   Map::EnsureDescriptorSlack(map, 1); | 
| 140 | 154 | 
| 141   CallbacksDescriptor d(name, | 155   CallbacksDescriptor d(Handle<Name>(Name::cast(foreign->name())), | 
| 142                         foreign, | 156                         foreign, attrs); | 
| 143                         static_cast<PropertyAttributes>(0)); |  | 
| 144   map->AppendDescriptor(&d); | 157   map->AppendDescriptor(&d); | 
| 145 | 158 | 
| 146   // Add the Foo constructor the global object. | 159   // Add the Foo constructor the global object. | 
| 147   env->Global()->Set(v8::String::NewFromUtf8(CcTest::isolate(), "Foo"), | 160   env->Global()->Set(v8::String::NewFromUtf8(CcTest::isolate(), "Foo"), | 
| 148                      v8::Utils::ToLocal(function)); | 161                      v8::Utils::ToLocal(function)); | 
| 149   // Call the accessor through JavaScript. | 162   // Call the accessor through JavaScript. | 
| 150   v8::Handle<v8::Value> result = v8::Script::Compile( | 163   v8::Handle<v8::Value> result = v8::Script::Compile( | 
| 151       v8::String::NewFromUtf8(CcTest::isolate(), "(new Foo).get"))->Run(); | 164       v8::String::NewFromUtf8(CcTest::isolate(), "(new Foo).get"))->Run(); | 
| 152   CHECK_EQ(42, result->Int32Value()); | 165   CHECK_EQ(42, result->Int32Value()); | 
| 153   env->Exit(); | 166   env->Exit(); | 
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| 216       if (index < blocks.length() - 1) { | 229       if (index < blocks.length() - 1) { | 
| 217         blocks[index] = blocks.RemoveLast(); | 230         blocks[index] = blocks.RemoveLast(); | 
| 218       } else { | 231       } else { | 
| 219         blocks.RemoveLast(); | 232         blocks.RemoveLast(); | 
| 220       } | 233       } | 
| 221     } | 234     } | 
| 222   } | 235   } | 
| 223 | 236 | 
| 224   code_range.TearDown(); | 237   code_range.TearDown(); | 
| 225 } | 238 } | 
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