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// Copyright 2019 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.
#include <memory>
#include "include/v8-context.h"
#include "include/v8-function-callback.h"
#include "include/v8-local-handle.h"
#include "include/v8-object.h"
#include "include/v8-persistent-handle.h"
#include "include/v8-promise.h"
#include "include/v8-wasm.h"
#include "src/api/api-inl.h"
#include "src/handles/global-handles.h"
#include "src/wasm/wasm-features.h"
#include "test/common/flag-utils.h"
#include "test/unittests/test-utils.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace v8 {
bool wasm_streaming_callback_got_called = false;
bool wasm_streaming_data_got_collected = false;
// The bytes of a minimal WebAssembly module.
const uint8_t kMinimalWasmModuleBytes[]{0x00, 0x61, 0x73, 0x6d,
0x01, 0x00, 0x00, 0x00};
class ApiWasmTest : public TestWithIsolate {
public:
void TestWasmStreaming(WasmStreamingCallback callback,
Promise::PromiseState expected_state) {
isolate()->SetWasmStreamingCallback(callback);
HandleScope scope(isolate());
Local<Context> context = Context::New(isolate());
Context::Scope context_scope(context);
// Call {WebAssembly.compileStreaming} with {null} as parameter. The
// parameter is only really processed by the embedder, so for this test the
// value is irrelevant.
Local<Promise> promise =
Local<Promise>::Cast(RunJS("WebAssembly.compileStreaming(null)"));
EmptyMessageQueues();
CHECK_EQ(expected_state, promise->State());
}
};
void WasmStreamingTestFinalizer(const WeakCallbackInfo<void>& data) {
CHECK(!wasm_streaming_data_got_collected);
wasm_streaming_data_got_collected = true;
i::GlobalHandles::Destroy(reinterpret_cast<i::Address*>(data.GetParameter()));
}
void WasmStreamingCallbackTestCallbackIsCalled(
const FunctionCallbackInfo<Value>& args) {
CHECK(!wasm_streaming_callback_got_called);
wasm_streaming_callback_got_called = true;
i::Handle<i::Object> global_handle =
reinterpret_cast<i::Isolate*>(args.GetIsolate())
->global_handles()
->Create(*Utils::OpenHandle(*args.Data()));
i::GlobalHandles::MakeWeak(global_handle.location(), global_handle.location(),
WasmStreamingTestFinalizer,
WeakCallbackType::kParameter);
}
void WasmStreamingCallbackTestFinishWithSuccess(
const FunctionCallbackInfo<Value>& args) {
std::shared_ptr<WasmStreaming> streaming =
WasmStreaming::Unpack(args.GetIsolate(), args.Data());
streaming->OnBytesReceived(kMinimalWasmModuleBytes,
arraysize(kMinimalWasmModuleBytes));
streaming->Finish();
}
void WasmStreamingCallbackTestFinishWithFailure(
const FunctionCallbackInfo<Value>& args) {
std::shared_ptr<WasmStreaming> streaming =
WasmStreaming::Unpack(args.GetIsolate(), args.Data());
streaming->Finish();
}
void WasmStreamingCallbackTestAbortWithReject(
const FunctionCallbackInfo<Value>& args) {
std::shared_ptr<WasmStreaming> streaming =
WasmStreaming::Unpack(args.GetIsolate(), args.Data());
streaming->Abort(Object::New(args.GetIsolate()));
}
void WasmStreamingCallbackTestAbortNoReject(
const FunctionCallbackInfo<Value>& args) {
std::shared_ptr<WasmStreaming> streaming =
WasmStreaming::Unpack(args.GetIsolate(), args.Data());
streaming->Abort({});
}
void WasmStreamingCallbackTestOnBytesReceived(
const FunctionCallbackInfo<Value>& args) {
std::shared_ptr<WasmStreaming> streaming =
WasmStreaming::Unpack(args.GetIsolate(), args.Data());
// The first bytes of the WebAssembly magic word.
const uint8_t bytes[]{0x00, 0x61, 0x73};
streaming->OnBytesReceived(bytes, arraysize(bytes));
}
void WasmStreamingMoreFunctionsCanBeSerializedCallback(
const FunctionCallbackInfo<Value>& args) {
std::shared_ptr<WasmStreaming> streaming =
WasmStreaming::Unpack(args.GetIsolate(), args.Data());
streaming->SetMoreFunctionsCanBeSerializedCallback([](CompiledWasmModule) {});
}
TEST_F(ApiWasmTest, WasmStreamingCallback) {
TestWasmStreaming(WasmStreamingCallbackTestCallbackIsCalled,
Promise::kPending);
CHECK(wasm_streaming_callback_got_called);
CollectAllAvailableGarbage();
CHECK(wasm_streaming_data_got_collected);
}
TEST_F(ApiWasmTest, WasmStreamingOnBytesReceived) {
TestWasmStreaming(WasmStreamingCallbackTestOnBytesReceived,
Promise::kPending);
}
TEST_F(ApiWasmTest, WasmStreamingFinishWithSuccess) {
TestWasmStreaming(WasmStreamingCallbackTestFinishWithSuccess,
Promise::kFulfilled);
}
TEST_F(ApiWasmTest, WasmStreamingFinishWithFailure) {
TestWasmStreaming(WasmStreamingCallbackTestFinishWithFailure,
Promise::kRejected);
}
TEST_F(ApiWasmTest, WasmStreamingAbortWithReject) {
TestWasmStreaming(WasmStreamingCallbackTestAbortWithReject,
Promise::kRejected);
}
TEST_F(ApiWasmTest, WasmStreamingAbortWithoutReject) {
TestWasmStreaming(WasmStreamingCallbackTestAbortNoReject, Promise::kPending);
}
TEST_F(ApiWasmTest, WasmCompileToWasmModuleObject) {
Local<Context> context = Context::New(isolate());
Context::Scope context_scope(context);
auto maybe_module = WasmModuleObject::Compile(
isolate(), {kMinimalWasmModuleBytes, arraysize(kMinimalWasmModuleBytes)});
CHECK(!maybe_module.IsEmpty());
}
TEST_F(ApiWasmTest, WasmStreamingSetCallback) {
TestWasmStreaming(WasmStreamingMoreFunctionsCanBeSerializedCallback,
Promise::kPending);
}
TEST_F(ApiWasmTest, WasmEnableDisableGC) {
Local<Context> context_local = Context::New(isolate());
Context::Scope context_scope(context_local);
i::Handle<i::Context> context = v8::Utils::OpenHandle(*context_local);
// When using the flags, stringref and GC are controlled independently.
{
i::FlagScope<bool> flag_gc(&i::v8_flags.experimental_wasm_gc, false);
i::FlagScope<bool> flag_stringref(&i::v8_flags.experimental_wasm_stringref,
true);
EXPECT_FALSE(i_isolate()->IsWasmGCEnabled(context));
EXPECT_TRUE(i_isolate()->IsWasmStringRefEnabled(context));
}
{
i::FlagScope<bool> flag_gc(&i::v8_flags.experimental_wasm_gc, true);
i::FlagScope<bool> flag_stringref(&i::v8_flags.experimental_wasm_stringref,
false);
EXPECT_TRUE(i_isolate()->IsWasmGCEnabled(context));
EXPECT_FALSE(i_isolate()->IsWasmStringRefEnabled(context));
}
// When providing a callback, the callback will control GC, stringref,
// and inlining.
isolate()->SetWasmGCEnabledCallback([](auto) { return true; });
EXPECT_TRUE(i_isolate()->IsWasmGCEnabled(context));
EXPECT_TRUE(i_isolate()->IsWasmStringRefEnabled(context));
EXPECT_TRUE(i_isolate()->IsWasmInliningEnabled(context));
{
auto enabled_features = i::wasm::WasmFeatures::FromIsolate(i_isolate());
EXPECT_TRUE(enabled_features.has_gc());
EXPECT_TRUE(enabled_features.has_stringref());
EXPECT_TRUE(enabled_features.has_typed_funcref());
EXPECT_TRUE(enabled_features.has_inlining());
}
isolate()->SetWasmGCEnabledCallback([](auto) { return false; });
EXPECT_FALSE(i_isolate()->IsWasmGCEnabled(context));
EXPECT_FALSE(i_isolate()->IsWasmStringRefEnabled(context));
// TODO(crbug.com/1424350): Change (or just drop) this expectation when
// we enable inlining by default.
EXPECT_FALSE(i_isolate()->IsWasmInliningEnabled(context));
{
auto enabled_features = i::wasm::WasmFeatures::FromIsolate(i_isolate());
EXPECT_FALSE(enabled_features.has_gc());
EXPECT_FALSE(enabled_features.has_stringref());
EXPECT_FALSE(enabled_features.has_typed_funcref());
EXPECT_FALSE(enabled_features.has_inlining());
}
isolate()->SetWasmGCEnabledCallback(nullptr);
}
} // namespace v8
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