7dab62ee96
This avoids back-to-back mark-sweep collections. Review URL: http://codereview.chromium.org/136001 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@2219 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
799 lines
24 KiB
C++
799 lines
24 KiB
C++
// Copyright 2006-2008 the V8 project authors. All rights reserved.
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#include <stdlib.h>
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#include "v8.h"
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#include "execution.h"
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#include "factory.h"
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#include "macro-assembler.h"
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#include "global-handles.h"
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#include "cctest.h"
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using namespace v8::internal;
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static v8::Persistent<v8::Context> env;
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static void InitializeVM() {
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if (env.IsEmpty()) env = v8::Context::New();
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v8::HandleScope scope;
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env->Enter();
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}
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static void CheckMap(Map* map, int type, int instance_size) {
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CHECK(map->IsHeapObject());
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#ifdef DEBUG
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CHECK(Heap::Contains(map));
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#endif
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CHECK_EQ(Heap::meta_map(), map->map());
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CHECK_EQ(type, map->instance_type());
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CHECK_EQ(instance_size, map->instance_size());
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}
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TEST(HeapMaps) {
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InitializeVM();
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CheckMap(Heap::meta_map(), MAP_TYPE, Map::kSize);
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CheckMap(Heap::heap_number_map(), HEAP_NUMBER_TYPE, HeapNumber::kSize);
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CheckMap(Heap::fixed_array_map(), FIXED_ARRAY_TYPE, Array::kAlignedSize);
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CheckMap(Heap::long_string_map(), LONG_STRING_TYPE,
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SeqTwoByteString::kAlignedSize);
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}
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static void CheckOddball(Object* obj, const char* string) {
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CHECK(obj->IsOddball());
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#ifndef V8_HOST_ARCH_64_BIT
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// TODO(X64): Reenable when native builtins work.
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bool exc;
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Object* print_string = *Execution::ToString(Handle<Object>(obj), &exc);
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CHECK(String::cast(print_string)->IsEqualTo(CStrVector(string)));
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#endif // V8_HOST_ARCH_64_BIT
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}
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static void CheckSmi(int value, const char* string) {
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#ifndef V8_HOST_ARCH_64_BIT
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// TODO(X64): Reenable when native builtins work.
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bool exc;
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Object* print_string =
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*Execution::ToString(Handle<Object>(Smi::FromInt(value)), &exc);
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CHECK(String::cast(print_string)->IsEqualTo(CStrVector(string)));
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#endif // V8_HOST_ARCH_64_BIT
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}
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static void CheckNumber(double value, const char* string) {
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Object* obj = Heap::NumberFromDouble(value);
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CHECK(obj->IsNumber());
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#ifndef V8_HOST_ARCH_64_BIT
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// TODO(X64): Reenable when native builtins work.
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bool exc;
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Object* print_string = *Execution::ToString(Handle<Object>(obj), &exc);
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CHECK(String::cast(print_string)->IsEqualTo(CStrVector(string)));
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#endif // V8_HOST_ARCH_64_BIT
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}
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static void CheckFindCodeObject() {
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// Test FindCodeObject
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#define __ assm.
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Assembler assm(NULL, 0);
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__ nop(); // supported on all architectures
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CodeDesc desc;
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assm.GetCode(&desc);
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Object* code = Heap::CreateCode(desc,
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NULL,
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Code::ComputeFlags(Code::STUB),
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Handle<Object>(Heap::undefined_value()));
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CHECK(code->IsCode());
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HeapObject* obj = HeapObject::cast(code);
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Address obj_addr = obj->address();
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for (int i = 0; i < obj->Size(); i += kPointerSize) {
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Object* found = Heap::FindCodeObject(obj_addr + i);
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CHECK_EQ(code, found);
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}
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Object* copy = Heap::CreateCode(desc,
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NULL,
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Code::ComputeFlags(Code::STUB),
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Handle<Object>(Heap::undefined_value()));
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CHECK(copy->IsCode());
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HeapObject* obj_copy = HeapObject::cast(copy);
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Object* not_right = Heap::FindCodeObject(obj_copy->address() +
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obj_copy->Size() / 2);
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CHECK(not_right != code);
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}
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TEST(HeapObjects) {
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InitializeVM();
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v8::HandleScope sc;
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Object* value = Heap::NumberFromDouble(1.000123);
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CHECK(value->IsHeapNumber());
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CHECK(value->IsNumber());
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CHECK_EQ(1.000123, value->Number());
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value = Heap::NumberFromDouble(1.0);
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CHECK(value->IsSmi());
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CHECK(value->IsNumber());
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CHECK_EQ(1.0, value->Number());
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value = Heap::NumberFromInt32(1024);
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CHECK(value->IsSmi());
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CHECK(value->IsNumber());
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CHECK_EQ(1024.0, value->Number());
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value = Heap::NumberFromInt32(Smi::kMinValue);
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CHECK(value->IsSmi());
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CHECK(value->IsNumber());
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CHECK_EQ(Smi::kMinValue, Smi::cast(value)->value());
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value = Heap::NumberFromInt32(Smi::kMaxValue);
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CHECK(value->IsSmi());
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CHECK(value->IsNumber());
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CHECK_EQ(Smi::kMaxValue, Smi::cast(value)->value());
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value = Heap::NumberFromInt32(Smi::kMinValue - 1);
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CHECK(value->IsHeapNumber());
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CHECK(value->IsNumber());
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CHECK_EQ(static_cast<double>(Smi::kMinValue - 1), value->Number());
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value = Heap::NumberFromInt32(Smi::kMaxValue + 1);
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CHECK(value->IsHeapNumber());
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CHECK(value->IsNumber());
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CHECK_EQ(static_cast<double>(Smi::kMaxValue + 1), value->Number());
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// nan oddball checks
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CHECK(Heap::nan_value()->IsNumber());
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CHECK(isnan(Heap::nan_value()->Number()));
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Object* str = Heap::AllocateStringFromAscii(CStrVector("fisk hest "));
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if (!str->IsFailure()) {
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String* s = String::cast(str);
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CHECK(s->IsString());
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CHECK_EQ(10, s->length());
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} else {
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CHECK(false);
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}
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String* object_symbol = String::cast(Heap::Object_symbol());
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CHECK(Top::context()->global()->HasLocalProperty(object_symbol));
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// Check ToString for oddballs
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CheckOddball(Heap::true_value(), "true");
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CheckOddball(Heap::false_value(), "false");
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CheckOddball(Heap::null_value(), "null");
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CheckOddball(Heap::undefined_value(), "undefined");
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// Check ToString for Smis
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CheckSmi(0, "0");
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CheckSmi(42, "42");
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CheckSmi(-42, "-42");
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// Check ToString for Numbers
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CheckNumber(1.1, "1.1");
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CheckFindCodeObject();
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}
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TEST(Tagging) {
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InitializeVM();
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int request = 24;
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ASSERT_EQ(request, OBJECT_SIZE_ALIGN(request));
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CHECK(Smi::FromInt(42)->IsSmi());
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CHECK(Failure::RetryAfterGC(request, NEW_SPACE)->IsFailure());
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CHECK_EQ(request, Failure::RetryAfterGC(request, NEW_SPACE)->requested());
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CHECK_EQ(NEW_SPACE,
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Failure::RetryAfterGC(request, NEW_SPACE)->allocation_space());
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CHECK_EQ(OLD_POINTER_SPACE,
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Failure::RetryAfterGC(request,
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OLD_POINTER_SPACE)->allocation_space());
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CHECK(Failure::Exception()->IsFailure());
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CHECK(Smi::FromInt(Smi::kMinValue)->IsSmi());
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CHECK(Smi::FromInt(Smi::kMaxValue)->IsSmi());
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}
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TEST(GarbageCollection) {
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InitializeVM();
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v8::HandleScope sc;
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// check GC when heap is empty
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int free_bytes = Heap::MaxObjectSizeInPagedSpace();
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CHECK(Heap::CollectGarbage(free_bytes, NEW_SPACE));
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// allocate a function and keep it in global object's property
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String* func_name = String::cast(Heap::LookupAsciiSymbol("theFunction"));
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SharedFunctionInfo* function_share =
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SharedFunctionInfo::cast(Heap::AllocateSharedFunctionInfo(func_name));
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JSFunction* function =
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JSFunction::cast(Heap::AllocateFunction(*Top::function_map(),
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function_share,
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Heap::undefined_value()));
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Map* initial_map =
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Map::cast(Heap::AllocateMap(JS_OBJECT_TYPE, JSObject::kHeaderSize));
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function->set_initial_map(initial_map);
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Top::context()->global()->SetProperty(func_name, function, NONE);
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// allocate an object, but it is unrooted
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String* prop_name = String::cast(Heap::LookupAsciiSymbol("theSlot"));
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String* prop_namex = String::cast(Heap::LookupAsciiSymbol("theSlotx"));
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JSObject* obj = JSObject::cast(Heap::AllocateJSObject(function));
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obj->SetProperty(prop_name, Smi::FromInt(23), NONE);
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obj->SetProperty(prop_namex, Smi::FromInt(24), NONE);
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CHECK_EQ(Smi::FromInt(23), obj->GetProperty(prop_name));
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CHECK_EQ(Smi::FromInt(24), obj->GetProperty(prop_namex));
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CHECK(Heap::CollectGarbage(free_bytes, NEW_SPACE));
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// function should be alive, func_name might be invalid after GC
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func_name = String::cast(Heap::LookupAsciiSymbol("theFunction"));
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CHECK(Top::context()->global()->HasLocalProperty(func_name));
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// check function is retained
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Object* func_value = Top::context()->global()->GetProperty(func_name);
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CHECK(func_value->IsJSFunction());
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// old function pointer may not be valid
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function = JSFunction::cast(func_value);
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// allocate another object, make it reachable from global
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obj = JSObject::cast(Heap::AllocateJSObject(function));
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String* obj_name = String::cast(Heap::LookupAsciiSymbol("theObject"));
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Top::context()->global()->SetProperty(obj_name, obj, NONE);
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// set property
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prop_name = String::cast(Heap::LookupAsciiSymbol("theSlot"));
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obj->SetProperty(prop_name, Smi::FromInt(23), NONE);
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// after gc, it should survive
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CHECK(Heap::CollectGarbage(free_bytes, NEW_SPACE));
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obj_name = String::cast(Heap::LookupAsciiSymbol("theObject"));
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CHECK(Top::context()->global()->HasLocalProperty(obj_name));
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CHECK(Top::context()->global()->GetProperty(obj_name)->IsJSObject());
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obj = JSObject::cast(Top::context()->global()->GetProperty(obj_name));
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prop_name = String::cast(Heap::LookupAsciiSymbol("theSlot"));
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CHECK_EQ(Smi::FromInt(23), obj->GetProperty(prop_name));
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}
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static void VerifyStringAllocation(const char* string) {
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String* s = String::cast(Heap::AllocateStringFromUtf8(CStrVector(string)));
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CHECK_EQ(static_cast<int>(strlen(string)), s->length());
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for (int index = 0; index < s->length(); index++) {
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CHECK_EQ(static_cast<uint16_t>(string[index]), s->Get(index)); }
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}
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TEST(String) {
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InitializeVM();
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VerifyStringAllocation("a");
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VerifyStringAllocation("ab");
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VerifyStringAllocation("abc");
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VerifyStringAllocation("abcd");
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VerifyStringAllocation("fiskerdrengen er paa havet");
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}
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TEST(LocalHandles) {
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InitializeVM();
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v8::HandleScope scope;
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const char* name = "Kasper the spunky";
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Handle<String> string = Factory::NewStringFromAscii(CStrVector(name));
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CHECK_EQ(static_cast<int>(strlen(name)), string->length());
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}
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TEST(GlobalHandles) {
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InitializeVM();
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Object* i = Heap::AllocateStringFromAscii(CStrVector("fisk"));
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Object* u = Heap::AllocateHeapNumber(1.12344);
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Handle<Object> h1 = GlobalHandles::Create(i);
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Handle<Object> h2 = GlobalHandles::Create(u);
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Handle<Object> h3 = GlobalHandles::Create(i);
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Handle<Object> h4 = GlobalHandles::Create(u);
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// after gc, it should survive
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CHECK(Heap::CollectGarbage(0, NEW_SPACE));
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CHECK((*h1)->IsString());
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CHECK((*h2)->IsHeapNumber());
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CHECK((*h3)->IsString());
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CHECK((*h4)->IsHeapNumber());
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CHECK_EQ(*h3, *h1);
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GlobalHandles::Destroy(h1.location());
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GlobalHandles::Destroy(h3.location());
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CHECK_EQ(*h4, *h2);
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GlobalHandles::Destroy(h2.location());
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GlobalHandles::Destroy(h4.location());
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}
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static bool WeakPointerCleared = false;
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static void TestWeakGlobalHandleCallback(v8::Persistent<v8::Value> handle,
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void* id) {
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USE(handle);
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if (1234 == reinterpret_cast<intptr_t>(id)) WeakPointerCleared = true;
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}
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TEST(WeakGlobalHandlesScavenge) {
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InitializeVM();
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WeakPointerCleared = false;
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Object* i = Heap::AllocateStringFromAscii(CStrVector("fisk"));
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Object* u = Heap::AllocateHeapNumber(1.12344);
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Handle<Object> h1 = GlobalHandles::Create(i);
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Handle<Object> h2 = GlobalHandles::Create(u);
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GlobalHandles::MakeWeak(h2.location(),
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reinterpret_cast<void*>(1234),
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&TestWeakGlobalHandleCallback);
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// Scavenge treats weak pointers as normal roots.
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Heap::PerformScavenge();
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CHECK((*h1)->IsString());
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CHECK((*h2)->IsHeapNumber());
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CHECK(!WeakPointerCleared);
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CHECK(!GlobalHandles::IsNearDeath(h2.location()));
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CHECK(!GlobalHandles::IsNearDeath(h1.location()));
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GlobalHandles::Destroy(h1.location());
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GlobalHandles::Destroy(h2.location());
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}
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TEST(WeakGlobalHandlesMark) {
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InitializeVM();
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WeakPointerCleared = false;
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Object* i = Heap::AllocateStringFromAscii(CStrVector("fisk"));
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Object* u = Heap::AllocateHeapNumber(1.12344);
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Handle<Object> h1 = GlobalHandles::Create(i);
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Handle<Object> h2 = GlobalHandles::Create(u);
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CHECK(Heap::CollectGarbage(0, OLD_POINTER_SPACE));
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CHECK(Heap::CollectGarbage(0, NEW_SPACE));
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// Make sure the object is promoted.
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GlobalHandles::MakeWeak(h2.location(),
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reinterpret_cast<void*>(1234),
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&TestWeakGlobalHandleCallback);
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CHECK(!GlobalHandles::IsNearDeath(h1.location()));
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CHECK(!GlobalHandles::IsNearDeath(h2.location()));
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CHECK(Heap::CollectGarbage(0, OLD_POINTER_SPACE));
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CHECK((*h1)->IsString());
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CHECK(WeakPointerCleared);
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CHECK(!GlobalHandles::IsNearDeath(h1.location()));
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CHECK(GlobalHandles::IsNearDeath(h2.location()));
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GlobalHandles::Destroy(h1.location());
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GlobalHandles::Destroy(h2.location());
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}
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static void TestDeleteWeakGlobalHandleCallback(
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v8::Persistent<v8::Value> handle,
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void* id) {
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if (1234 == reinterpret_cast<intptr_t>(id)) WeakPointerCleared = true;
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handle.Dispose();
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}
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TEST(DeleteWeakGlobalHandle) {
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InitializeVM();
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WeakPointerCleared = false;
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Object* i = Heap::AllocateStringFromAscii(CStrVector("fisk"));
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Handle<Object> h = GlobalHandles::Create(i);
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GlobalHandles::MakeWeak(h.location(),
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reinterpret_cast<void*>(1234),
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&TestDeleteWeakGlobalHandleCallback);
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// Scanvenge does not recognize weak reference.
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Heap::PerformScavenge();
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CHECK(!WeakPointerCleared);
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// Mark-compact treats weak reference properly.
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CHECK(Heap::CollectGarbage(0, OLD_POINTER_SPACE));
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CHECK(WeakPointerCleared);
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}
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static const char* not_so_random_string_table[] = {
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"abstract",
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"boolean",
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"break",
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"byte",
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"case",
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"catch",
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"char",
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"class",
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"const",
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"continue",
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"debugger",
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"default",
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"delete",
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"do",
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"double",
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"else",
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"enum",
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"export",
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"extends",
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"false",
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"final",
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"finally",
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"float",
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"for",
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"function",
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"goto",
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"if",
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"implements",
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"import",
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"in",
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"instanceof",
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"int",
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"interface",
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"long",
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"native",
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"new",
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"null",
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"package",
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"private",
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"protected",
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"public",
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"return",
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"short",
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"static",
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"super",
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"switch",
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"synchronized",
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"this",
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"throw",
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"throws",
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"transient",
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"true",
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"try",
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"typeof",
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"var",
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"void",
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"volatile",
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"while",
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"with",
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0
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};
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static void CheckSymbols(const char** strings) {
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for (const char* string = *strings; *strings != 0; string = *strings++) {
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Object* a = Heap::LookupAsciiSymbol(string);
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CHECK(a->IsSymbol());
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Object* b = Heap::LookupAsciiSymbol(string);
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CHECK_EQ(b, a);
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CHECK(String::cast(b)->IsEqualTo(CStrVector(string)));
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}
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}
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TEST(SymbolTable) {
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InitializeVM();
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CheckSymbols(not_so_random_string_table);
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CheckSymbols(not_so_random_string_table);
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}
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TEST(FunctionAllocation) {
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InitializeVM();
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v8::HandleScope sc;
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String* name = String::cast(Heap::LookupAsciiSymbol("theFunction"));
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SharedFunctionInfo* function_share =
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SharedFunctionInfo::cast(Heap::AllocateSharedFunctionInfo(name));
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JSFunction* function =
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JSFunction::cast(Heap::AllocateFunction(*Top::function_map(),
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function_share,
|
|
Heap::undefined_value()));
|
|
Map* initial_map =
|
|
Map::cast(Heap::AllocateMap(JS_OBJECT_TYPE, JSObject::kHeaderSize));
|
|
function->set_initial_map(initial_map);
|
|
|
|
String* prop_name = String::cast(Heap::LookupAsciiSymbol("theSlot"));
|
|
JSObject* obj = JSObject::cast(Heap::AllocateJSObject(function));
|
|
obj->SetProperty(prop_name, Smi::FromInt(23), NONE);
|
|
CHECK_EQ(Smi::FromInt(23), obj->GetProperty(prop_name));
|
|
// Check that we can add properties to function objects.
|
|
function->SetProperty(prop_name, Smi::FromInt(24), NONE);
|
|
CHECK_EQ(Smi::FromInt(24), function->GetProperty(prop_name));
|
|
}
|
|
|
|
|
|
TEST(ObjectProperties) {
|
|
InitializeVM();
|
|
|
|
v8::HandleScope sc;
|
|
JSFunction* constructor =
|
|
JSFunction::cast(
|
|
Top::context()->global()->GetProperty(String::cast(
|
|
Heap::Object_symbol())));
|
|
JSObject* obj = JSObject::cast(Heap::AllocateJSObject(constructor));
|
|
String* first = String::cast(Heap::LookupAsciiSymbol("first"));
|
|
String* second = String::cast(Heap::LookupAsciiSymbol("second"));
|
|
|
|
// check for empty
|
|
CHECK(!obj->HasLocalProperty(first));
|
|
|
|
// add first
|
|
obj->SetProperty(first, Smi::FromInt(1), NONE);
|
|
CHECK(obj->HasLocalProperty(first));
|
|
|
|
// delete first
|
|
CHECK(obj->DeleteProperty(first, JSObject::NORMAL_DELETION));
|
|
CHECK(!obj->HasLocalProperty(first));
|
|
|
|
// add first and then second
|
|
obj->SetProperty(first, Smi::FromInt(1), NONE);
|
|
obj->SetProperty(second, Smi::FromInt(2), NONE);
|
|
CHECK(obj->HasLocalProperty(first));
|
|
CHECK(obj->HasLocalProperty(second));
|
|
|
|
// delete first and then second
|
|
CHECK(obj->DeleteProperty(first, JSObject::NORMAL_DELETION));
|
|
CHECK(obj->HasLocalProperty(second));
|
|
CHECK(obj->DeleteProperty(second, JSObject::NORMAL_DELETION));
|
|
CHECK(!obj->HasLocalProperty(first));
|
|
CHECK(!obj->HasLocalProperty(second));
|
|
|
|
// add first and then second
|
|
obj->SetProperty(first, Smi::FromInt(1), NONE);
|
|
obj->SetProperty(second, Smi::FromInt(2), NONE);
|
|
CHECK(obj->HasLocalProperty(first));
|
|
CHECK(obj->HasLocalProperty(second));
|
|
|
|
// delete second and then first
|
|
CHECK(obj->DeleteProperty(second, JSObject::NORMAL_DELETION));
|
|
CHECK(obj->HasLocalProperty(first));
|
|
CHECK(obj->DeleteProperty(first, JSObject::NORMAL_DELETION));
|
|
CHECK(!obj->HasLocalProperty(first));
|
|
CHECK(!obj->HasLocalProperty(second));
|
|
|
|
// check string and symbol match
|
|
static const char* string1 = "fisk";
|
|
String* s1 =
|
|
String::cast(Heap::AllocateStringFromAscii(CStrVector(string1)));
|
|
obj->SetProperty(s1, Smi::FromInt(1), NONE);
|
|
CHECK(obj->HasLocalProperty(String::cast(Heap::LookupAsciiSymbol(string1))));
|
|
|
|
// check symbol and string match
|
|
static const char* string2 = "fugl";
|
|
String* s2 = String::cast(Heap::LookupAsciiSymbol(string2));
|
|
obj->SetProperty(s2, Smi::FromInt(1), NONE);
|
|
CHECK(obj->HasLocalProperty(
|
|
String::cast(Heap::AllocateStringFromAscii(CStrVector(string2)))));
|
|
}
|
|
|
|
|
|
TEST(JSObjectMaps) {
|
|
InitializeVM();
|
|
|
|
v8::HandleScope sc;
|
|
String* name = String::cast(Heap::LookupAsciiSymbol("theFunction"));
|
|
SharedFunctionInfo* function_share =
|
|
SharedFunctionInfo::cast(Heap::AllocateSharedFunctionInfo(name));
|
|
JSFunction* function =
|
|
JSFunction::cast(Heap::AllocateFunction(*Top::function_map(),
|
|
function_share,
|
|
Heap::undefined_value()));
|
|
Map* initial_map =
|
|
Map::cast(Heap::AllocateMap(JS_OBJECT_TYPE, JSObject::kHeaderSize));
|
|
function->set_initial_map(initial_map);
|
|
String* prop_name = String::cast(Heap::LookupAsciiSymbol("theSlot"));
|
|
JSObject* obj = JSObject::cast(Heap::AllocateJSObject(function));
|
|
|
|
// Set a propery
|
|
obj->SetProperty(prop_name, Smi::FromInt(23), NONE);
|
|
CHECK_EQ(Smi::FromInt(23), obj->GetProperty(prop_name));
|
|
|
|
// Check the map has changed
|
|
CHECK(initial_map != obj->map());
|
|
}
|
|
|
|
|
|
TEST(JSArray) {
|
|
InitializeVM();
|
|
|
|
v8::HandleScope sc;
|
|
String* name = String::cast(Heap::LookupAsciiSymbol("Array"));
|
|
JSFunction* function =
|
|
JSFunction::cast(Top::context()->global()->GetProperty(name));
|
|
|
|
// Allocate the object.
|
|
JSArray* array = JSArray::cast(Heap::AllocateJSObject(function));
|
|
array->Initialize(0);
|
|
|
|
// Set array length to 0.
|
|
array->SetElementsLength(Smi::FromInt(0));
|
|
CHECK_EQ(Smi::FromInt(0), array->length());
|
|
CHECK(array->HasFastElements()); // Must be in fast mode.
|
|
|
|
// array[length] = name.
|
|
array->SetElement(0, name);
|
|
CHECK_EQ(Smi::FromInt(1), array->length());
|
|
CHECK_EQ(array->GetElement(0), name);
|
|
|
|
// Set array length with larger than smi value.
|
|
Object* length = Heap::NumberFromInt32(Smi::kMaxValue + 1);
|
|
array->SetElementsLength(length);
|
|
|
|
uint32_t int_length = 0;
|
|
CHECK(Array::IndexFromObject(length, &int_length));
|
|
CHECK_EQ(length, array->length());
|
|
CHECK(!array->HasFastElements()); // Must be in slow mode.
|
|
|
|
// array[length] = name.
|
|
array->SetElement(int_length, name);
|
|
uint32_t new_int_length = 0;
|
|
CHECK(Array::IndexFromObject(array->length(), &new_int_length));
|
|
CHECK_EQ(static_cast<double>(int_length), new_int_length - 1);
|
|
CHECK_EQ(array->GetElement(int_length), name);
|
|
CHECK_EQ(array->GetElement(0), name);
|
|
}
|
|
|
|
|
|
TEST(JSObjectCopy) {
|
|
InitializeVM();
|
|
|
|
v8::HandleScope sc;
|
|
String* name = String::cast(Heap::Object_symbol());
|
|
JSFunction* constructor =
|
|
JSFunction::cast(Top::context()->global()->GetProperty(name));
|
|
JSObject* obj = JSObject::cast(Heap::AllocateJSObject(constructor));
|
|
String* first = String::cast(Heap::LookupAsciiSymbol("first"));
|
|
String* second = String::cast(Heap::LookupAsciiSymbol("second"));
|
|
|
|
obj->SetProperty(first, Smi::FromInt(1), NONE);
|
|
obj->SetProperty(second, Smi::FromInt(2), NONE);
|
|
|
|
obj->SetElement(0, first);
|
|
obj->SetElement(1, second);
|
|
|
|
// Make the clone.
|
|
JSObject* clone = JSObject::cast(Heap::CopyJSObject(obj));
|
|
CHECK(clone != obj);
|
|
|
|
CHECK_EQ(obj->GetElement(0), clone->GetElement(0));
|
|
CHECK_EQ(obj->GetElement(1), clone->GetElement(1));
|
|
|
|
CHECK_EQ(obj->GetProperty(first), clone->GetProperty(first));
|
|
CHECK_EQ(obj->GetProperty(second), clone->GetProperty(second));
|
|
|
|
// Flip the values.
|
|
clone->SetProperty(first, Smi::FromInt(2), NONE);
|
|
clone->SetProperty(second, Smi::FromInt(1), NONE);
|
|
|
|
clone->SetElement(0, second);
|
|
clone->SetElement(1, first);
|
|
|
|
CHECK_EQ(obj->GetElement(1), clone->GetElement(0));
|
|
CHECK_EQ(obj->GetElement(0), clone->GetElement(1));
|
|
|
|
CHECK_EQ(obj->GetProperty(second), clone->GetProperty(first));
|
|
CHECK_EQ(obj->GetProperty(first), clone->GetProperty(second));
|
|
}
|
|
|
|
|
|
TEST(StringAllocation) {
|
|
InitializeVM();
|
|
|
|
|
|
const unsigned char chars[] = { 0xe5, 0xa4, 0xa7 };
|
|
for (int length = 0; length < 100; length++) {
|
|
v8::HandleScope scope;
|
|
char* non_ascii = NewArray<char>(3 * length + 1);
|
|
char* ascii = NewArray<char>(length + 1);
|
|
non_ascii[3 * length] = 0;
|
|
ascii[length] = 0;
|
|
for (int i = 0; i < length; i++) {
|
|
ascii[i] = 'a';
|
|
non_ascii[3 * i] = chars[0];
|
|
non_ascii[3 * i + 1] = chars[1];
|
|
non_ascii[3 * i + 2] = chars[2];
|
|
}
|
|
Handle<String> non_ascii_sym =
|
|
Factory::LookupSymbol(Vector<const char>(non_ascii, 3 * length));
|
|
CHECK_EQ(length, non_ascii_sym->length());
|
|
Handle<String> ascii_sym =
|
|
Factory::LookupSymbol(Vector<const char>(ascii, length));
|
|
CHECK_EQ(length, ascii_sym->length());
|
|
Handle<String> non_ascii_str =
|
|
Factory::NewStringFromUtf8(Vector<const char>(non_ascii, 3 * length));
|
|
non_ascii_str->Hash();
|
|
CHECK_EQ(length, non_ascii_str->length());
|
|
Handle<String> ascii_str =
|
|
Factory::NewStringFromUtf8(Vector<const char>(ascii, length));
|
|
ascii_str->Hash();
|
|
CHECK_EQ(length, ascii_str->length());
|
|
DeleteArray(non_ascii);
|
|
DeleteArray(ascii);
|
|
}
|
|
}
|
|
|
|
|
|
static int ObjectsFoundInHeap(Handle<Object> objs[], int size) {
|
|
// Count the number of objects found in the heap.
|
|
int found_count = 0;
|
|
HeapIterator iterator;
|
|
while (iterator.has_next()) {
|
|
HeapObject* obj = iterator.next();
|
|
CHECK(obj != NULL);
|
|
for (int i = 0; i < size; i++) {
|
|
if (*objs[i] == obj) {
|
|
found_count++;
|
|
}
|
|
}
|
|
}
|
|
CHECK(!iterator.has_next());
|
|
return found_count;
|
|
}
|
|
|
|
|
|
TEST(Iteration) {
|
|
InitializeVM();
|
|
v8::HandleScope scope;
|
|
|
|
// Array of objects to scan haep for.
|
|
const int objs_count = 6;
|
|
Handle<Object> objs[objs_count];
|
|
int next_objs_index = 0;
|
|
|
|
// Allocate a JS array to OLD_POINTER_SPACE and NEW_SPACE
|
|
objs[next_objs_index++] = Factory::NewJSArray(10);
|
|
objs[next_objs_index++] = Factory::NewJSArray(10, TENURED);
|
|
|
|
// Allocate a small string to OLD_DATA_SPACE and NEW_SPACE
|
|
objs[next_objs_index++] =
|
|
Factory::NewStringFromAscii(CStrVector("abcdefghij"));
|
|
objs[next_objs_index++] =
|
|
Factory::NewStringFromAscii(CStrVector("abcdefghij"), TENURED);
|
|
|
|
// Allocate a large string (for large object space).
|
|
int large_size = Heap::MaxObjectSizeInPagedSpace() + 1;
|
|
char* str = new char[large_size];
|
|
for (int i = 0; i < large_size - 1; ++i) str[i] = 'a';
|
|
str[large_size - 1] = '\0';
|
|
objs[next_objs_index++] =
|
|
Factory::NewStringFromAscii(CStrVector(str), TENURED);
|
|
delete[] str;
|
|
|
|
// Add a Map object to look for.
|
|
objs[next_objs_index++] = Handle<Map>(HeapObject::cast(*objs[0])->map());
|
|
|
|
CHECK_EQ(objs_count, next_objs_index);
|
|
CHECK_EQ(objs_count, ObjectsFoundInHeap(objs, objs_count));
|
|
}
|