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// Copyright 2013 the V8 project authors. All rights reserved.
// Test constant pool array code.
#include "v8.h"
#include "factory.h"
#include "objects.h"
#include "cctest.h"
using namespace v8::internal;
Code* DummyCode(LocalContext* context) {
CompileRun("function foo() {};");
i::Handle<i::JSFunction> fun = v8::Utils::OpenHandle(
*v8::Local<v8::Function>::Cast(
(*context)->Global()->Get(v8_str("foo"))));
return fun->code();
}
TEST(ConstantPool) {
LocalContext context;
Isolate* isolate = CcTest::i_isolate();
Heap* heap = isolate->heap();
Factory* factory = isolate->factory();
v8::HandleScope scope(context->GetIsolate());
// Check construction.
Handle<ConstantPoolArray> array = factory->NewConstantPoolArray(3, 1, 2, 1);
CHECK_EQ(array->count_of_int64_entries(), 3);
CHECK_EQ(array->count_of_code_ptr_entries(), 1);
CHECK_EQ(array->count_of_heap_ptr_entries(), 2);
CHECK_EQ(array->count_of_int32_entries(), 1);
CHECK_EQ(array->length(), 7);
CHECK_EQ(array->first_int64_index(), 0);
CHECK_EQ(array->first_code_ptr_index(), 3);
CHECK_EQ(array->first_heap_ptr_index(), 4);
CHECK_EQ(array->first_int32_index(), 6);
// Check getters and setters.
int64_t big_number = V8_2PART_UINT64_C(0x12345678, 9ABCDEF0);
Handle<Object> object = factory->NewHeapNumber(4.0);
Code* code = DummyCode(&context);
array->set(0, big_number);
array->set(1, 0.5);
array->set(2, 3e-24);
array->set(3, code->entry());
array->set(4, code);
array->set(5, *object);
array->set(6, 50);
CHECK_EQ(array->get_int64_entry(0), big_number);
CHECK_EQ(array->get_int64_entry_as_double(1), 0.5);
CHECK_EQ(array->get_int64_entry_as_double(2), 3e-24);
CHECK_EQ(array->get_code_ptr_entry(3), code->entry());
CHECK_EQ(array->get_heap_ptr_entry(4), code);
CHECK_EQ(array->get_heap_ptr_entry(5), *object);
CHECK_EQ(array->get_int32_entry(6), 50);
// Check pointers are updated on GC.
Object* old_ptr = array->get_heap_ptr_entry(5);
CHECK_EQ(*object, old_ptr);
heap->CollectGarbage(NEW_SPACE);
Object* new_ptr = array->get_heap_ptr_entry(5);
CHECK_NE(*object, old_ptr);
CHECK_EQ(*object, new_ptr);
}
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