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// Copyright 2015 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// TODO(mythria): Remove this define after this flag is turned on globally
#define V8_IMMINENT_DEPRECATION_WARNINGS
#include <stdlib.h>
#include "src/v8.h"
#include "test/cctest/cctest.h"
#include "src/api.h"
#include "src/heap/heap.h"
#include "src/objects.h"
using namespace v8::internal;
void TestArrayBufferViewContents(LocalContext& env, bool should_use_buffer) {
v8::Local<v8::Object> obj_a = v8::Local<v8::Object>::Cast(
env->Global()
->Get(v8::Isolate::GetCurrent()->GetCurrentContext(), v8_str("a"))
.ToLocalChecked());
CHECK(obj_a->IsArrayBufferView());
v8::Local<v8::ArrayBufferView> array_buffer_view =
v8::Local<v8::ArrayBufferView>::Cast(obj_a);
CHECK_EQ(array_buffer_view->HasBuffer(), should_use_buffer);
unsigned char contents[4] = {23, 23, 23, 23};
CHECK_EQ(sizeof(contents),
array_buffer_view->CopyContents(contents, sizeof(contents)));
CHECK_EQ(array_buffer_view->HasBuffer(), should_use_buffer);
for (size_t i = 0; i < sizeof(contents); ++i) {
CHECK_EQ(i, contents[i]);
}
}
TEST(CopyContentsTypedArray) {
LocalContext env;
v8::HandleScope scope(env->GetIsolate());
CompileRun(
"var a = new Uint8Array(4);"
"a[0] = 0;"
"a[1] = 1;"
"a[2] = 2;"
"a[3] = 3;");
TestArrayBufferViewContents(env, false);
}
TEST(CopyContentsArray) {
LocalContext env;
v8::HandleScope scope(env->GetIsolate());
CompileRun("var a = new Uint8Array([0, 1, 2, 3]);");
TestArrayBufferViewContents(env, false);
}
TEST(CopyContentsView) {
LocalContext env;
v8::HandleScope scope(env->GetIsolate());
CompileRun(
"var b = new ArrayBuffer(6);"
"var c = new Uint8Array(b);"
"c[0] = -1;"
"c[1] = -1;"
"c[2] = 0;"
"c[3] = 1;"
"c[4] = 2;"
"c[5] = 3;"
"var a = new DataView(b, 2);");
TestArrayBufferViewContents(env, true);
}
TEST(AllocateNotExternal) {
LocalContext env;
v8::HandleScope scope(env->GetIsolate());
void* memory = reinterpret_cast<Isolate*>(env->GetIsolate())
->array_buffer_allocator()
->Allocate(1024);
v8::Local<v8::ArrayBuffer> buffer =
v8::ArrayBuffer::New(env->GetIsolate(), memory, 1024,
v8::ArrayBufferCreationMode::kInternalized);
CHECK(!buffer->IsExternal());
CHECK_EQ(memory, buffer->GetContents().Data());
}
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