| // Copyright 2007-2008 the V8 project authors. All rights reserved. |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are |
| // met: |
| // |
| // * Redistributions of source code must retain the above copyright |
| // notice, this list of conditions and the following disclaimer. |
| // * Redistributions in binary form must reproduce the above |
| // copyright notice, this list of conditions and the following |
| // disclaimer in the documentation and/or other materials provided |
| // with the distribution. |
| // * Neither the name of Google Inc. nor the names of its |
| // contributors may be used to endorse or promote products derived |
| // from this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| #include "v8.h" |
| #include "accessors.h" |
| #include "top.h" |
| |
| #include "cctest.h" |
| |
| |
| using namespace v8::internal; |
| |
| |
| static Object* AllocateAfterFailures() { |
| static int attempts = 0; |
| if (++attempts < 3) return Failure::RetryAfterGC(0); |
| |
| // New space. |
| NewSpace* new_space = Heap::new_space(); |
| static const int kNewSpaceFillerSize = ByteArray::SizeFor(0); |
| while (new_space->Available() > kNewSpaceFillerSize) { |
| CHECK(!Heap::AllocateByteArray(0)->IsFailure()); |
| } |
| CHECK(!Heap::AllocateByteArray(100)->IsFailure()); |
| CHECK(!Heap::AllocateFixedArray(100, NOT_TENURED)->IsFailure()); |
| |
| // Make sure we can allocate through optimized allocation functions |
| // for specific kinds. |
| CHECK(!Heap::AllocateFixedArray(100)->IsFailure()); |
| CHECK(!Heap::AllocateHeapNumber(0.42)->IsFailure()); |
| CHECK(!Heap::AllocateArgumentsObject(Smi::FromInt(87), 10)->IsFailure()); |
| Object* object = Heap::AllocateJSObject(*Top::object_function()); |
| CHECK(!Heap::CopyJSObject(JSObject::cast(object))->IsFailure()); |
| |
| // Old data space. |
| OldSpace* old_data_space = Heap::old_data_space(); |
| static const int kOldDataSpaceFillerSize = SeqAsciiString::SizeFor(0); |
| while (old_data_space->Available() > kOldDataSpaceFillerSize) { |
| CHECK(!Heap::AllocateRawAsciiString(0, TENURED)->IsFailure()); |
| } |
| CHECK(!Heap::AllocateRawAsciiString(100, TENURED)->IsFailure()); |
| |
| // Large object space. |
| while (!Heap::OldGenerationAllocationLimitReached()) { |
| CHECK(!Heap::AllocateFixedArray(10000, TENURED)->IsFailure()); |
| } |
| CHECK(!Heap::AllocateFixedArray(10000, TENURED)->IsFailure()); |
| |
| // Map space. |
| MapSpace* map_space = Heap::map_space(); |
| static const int kMapSpaceFillerSize = Map::kSize; |
| InstanceType instance_type = JS_OBJECT_TYPE; |
| int instance_size = JSObject::kHeaderSize; |
| while (map_space->Available() > kMapSpaceFillerSize) { |
| CHECK(!Heap::AllocateMap(instance_type, instance_size)->IsFailure()); |
| } |
| CHECK(!Heap::AllocateMap(instance_type, instance_size)->IsFailure()); |
| |
| // Test that we can allocate in old pointer space and code space. |
| CHECK(!Heap::AllocateFixedArray(100, TENURED)->IsFailure()); |
| CHECK(!Heap::CopyCode(Builtins::builtin(Builtins::Illegal))->IsFailure()); |
| |
| // Return success. |
| return Smi::FromInt(42); |
| } |
| |
| |
| static Handle<Object> Test() { |
| CALL_HEAP_FUNCTION(AllocateAfterFailures(), Object); |
| } |
| |
| |
| TEST(StressHandles) { |
| v8::Persistent<v8::Context> env = v8::Context::New(); |
| v8::HandleScope scope; |
| env->Enter(); |
| Handle<Object> o = Test(); |
| CHECK(o->IsSmi() && Smi::cast(*o)->value() == 42); |
| env->Exit(); |
| } |
| |
| |
| static Object* TestAccessorGet(Object* object, void*) { |
| return AllocateAfterFailures(); |
| } |
| |
| |
| const AccessorDescriptor kDescriptor = { |
| TestAccessorGet, |
| 0, |
| 0 |
| }; |
| |
| |
| TEST(StressJS) { |
| v8::Persistent<v8::Context> env = v8::Context::New(); |
| v8::HandleScope scope; |
| env->Enter(); |
| Handle<JSFunction> function = |
| Factory::NewFunction(Factory::function_symbol(), Factory::null_value()); |
| // Force the creation of an initial map and set the code to |
| // something empty. |
| Factory::NewJSObject(function); |
| function->set_code(Builtins::builtin(Builtins::EmptyFunction)); |
| // Patch the map to have an accessor for "get". |
| Handle<Map> map(function->initial_map()); |
| Handle<DescriptorArray> instance_descriptors(map->instance_descriptors()); |
| Handle<Proxy> proxy = Factory::NewProxy(&kDescriptor); |
| instance_descriptors = Factory::CopyAppendProxyDescriptor( |
| instance_descriptors, |
| Factory::NewStringFromAscii(Vector<const char>("get", 3)), |
| proxy, |
| static_cast<PropertyAttributes>(0)); |
| map->set_instance_descriptors(*instance_descriptors); |
| // Add the Foo constructor the global object. |
| env->Global()->Set(v8::String::New("Foo"), v8::Utils::ToLocal(function)); |
| // Call the accessor through JavaScript. |
| v8::Handle<v8::Value> result = |
| v8::Script::Compile(v8::String::New("(new Foo).get"))->Run(); |
| CHECK_EQ(42, result->Int32Value()); |
| env->Exit(); |
| } |