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- // Copyright 2013 The Chromium 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 "gin/converter.h"
- #include <limits.h>
- #include <stddef.h>
- #include <stdint.h>
- #include <string>
- #include "base/compiler_specific.h"
- #include "base/strings/utf_string_conversions.h"
- #include "gin/function_template.h"
- #include "gin/handle.h"
- #include "gin/public/isolate_holder.h"
- #include "gin/test/v8_test.h"
- #include "gin/wrappable.h"
- #include "testing/gmock/include/gmock/gmock.h"
- #include "testing/gtest/include/gtest/gtest.h"
- #include "v8/include/v8-container.h"
- #include "v8/include/v8-forward.h"
- #include "v8/include/v8-function.h"
- #include "v8/include/v8-isolate.h"
- #include "v8/include/v8-primitive.h"
- #include "v8/include/v8-template.h"
- namespace gin {
- using v8::Array;
- using v8::Boolean;
- using v8::HandleScope;
- using v8::Integer;
- using v8::Local;
- using v8::Null;
- using v8::Number;
- using v8::Object;
- using v8::String;
- using v8::Undefined;
- using v8::Value;
- typedef V8Test ConverterTest;
- TEST_F(ConverterTest, Bool) {
- HandleScope handle_scope(instance_->isolate());
- EXPECT_TRUE(Converter<bool>::ToV8(instance_->isolate(), true)->StrictEquals(
- Boolean::New(instance_->isolate(), true)));
- EXPECT_TRUE(Converter<bool>::ToV8(instance_->isolate(), false)->StrictEquals(
- Boolean::New(instance_->isolate(), false)));
- struct {
- Local<Value> input;
- bool expected;
- } test_data[] = {
- {Boolean::New(instance_->isolate(), false).As<Value>(), false},
- {Boolean::New(instance_->isolate(), true).As<Value>(), true},
- {Number::New(instance_->isolate(), 0).As<Value>(), false},
- {Number::New(instance_->isolate(), 1).As<Value>(), true},
- {Number::New(instance_->isolate(), -1).As<Value>(), true},
- {Number::New(instance_->isolate(), 0.1).As<Value>(), true},
- {String::NewFromUtf8(instance_->isolate(), "", v8::NewStringType::kNormal)
- .ToLocalChecked()
- .As<Value>(),
- false},
- {String::NewFromUtf8(instance_->isolate(), "foo",
- v8::NewStringType::kNormal)
- .ToLocalChecked()
- .As<Value>(),
- true},
- {Object::New(instance_->isolate()).As<Value>(), true},
- {Null(instance_->isolate()).As<Value>(), false},
- {Undefined(instance_->isolate()).As<Value>(), false},
- };
- for (size_t i = 0; i < std::size(test_data); ++i) {
- bool result = false;
- EXPECT_TRUE(Converter<bool>::FromV8(instance_->isolate(),
- test_data[i].input, &result));
- EXPECT_EQ(test_data[i].expected, result);
- result = true;
- EXPECT_TRUE(Converter<bool>::FromV8(instance_->isolate(),
- test_data[i].input, &result));
- EXPECT_EQ(test_data[i].expected, result);
- }
- }
- TEST_F(ConverterTest, String16) {
- v8::Isolate* isolate = instance_->isolate();
- HandleScope handle_scope(isolate);
- EXPECT_TRUE(Converter<std::u16string>::ToV8(isolate, u"")
- ->StrictEquals(StringToV8(isolate, "")));
- EXPECT_TRUE(Converter<std::u16string>::ToV8(isolate, u"hello")
- ->StrictEquals(StringToV8(isolate, "hello")));
- std::u16string result;
- ASSERT_FALSE(
- Converter<std::u16string>::FromV8(isolate, v8::False(isolate), &result));
- ASSERT_FALSE(
- Converter<std::u16string>::FromV8(isolate, v8::True(isolate), &result));
- ASSERT_TRUE(Converter<std::u16string>::FromV8(
- isolate, v8::String::Empty(isolate), &result));
- EXPECT_EQ(result, std::u16string());
- ASSERT_TRUE(Converter<std::u16string>::FromV8(
- isolate, StringToV8(isolate, "hello"), &result));
- EXPECT_EQ(result, u"hello");
- }
- TEST_F(ConverterTest, Int32) {
- HandleScope handle_scope(instance_->isolate());
- int test_data_to[] = {-1, 0, 1};
- for (size_t i = 0; i < std::size(test_data_to); ++i) {
- EXPECT_TRUE(Converter<int32_t>::ToV8(instance_->isolate(), test_data_to[i])
- ->StrictEquals(
- Integer::New(instance_->isolate(), test_data_to[i])));
- }
- struct {
- v8::Local<v8::Value> input;
- bool expect_success;
- int expected_result;
- } test_data_from[] = {
- {Boolean::New(instance_->isolate(), false).As<Value>(), false, 0},
- {Boolean::New(instance_->isolate(), true).As<Value>(), false, 0},
- {Integer::New(instance_->isolate(), -1).As<Value>(), true, -1},
- {Integer::New(instance_->isolate(), 0).As<Value>(), true, 0},
- {Integer::New(instance_->isolate(), 1).As<Value>(), true, 1},
- {Number::New(instance_->isolate(), -1).As<Value>(), true, -1},
- {Number::New(instance_->isolate(), 1.1).As<Value>(), false, 0},
- {String::NewFromUtf8(instance_->isolate(), "42",
- v8::NewStringType::kNormal)
- .ToLocalChecked()
- .As<Value>(),
- false, 0},
- {String::NewFromUtf8(instance_->isolate(), "foo",
- v8::NewStringType::kNormal)
- .ToLocalChecked()
- .As<Value>(),
- false, 0},
- {Object::New(instance_->isolate()).As<Value>(), false, 0},
- {Array::New(instance_->isolate()).As<Value>(), false, 0},
- {v8::Null(instance_->isolate()).As<Value>(), false, 0},
- {v8::Undefined(instance_->isolate()).As<Value>(), false, 0},
- };
- for (size_t i = 0; i < std::size(test_data_from); ++i) {
- int32_t result = std::numeric_limits<int32_t>::min();
- bool success = Converter<int32_t>::FromV8(instance_->isolate(),
- test_data_from[i].input, &result);
- EXPECT_EQ(test_data_from[i].expect_success, success) << i;
- if (success)
- EXPECT_EQ(test_data_from[i].expected_result, result) << i;
- }
- }
- TEST_F(ConverterTest, Vector) {
- HandleScope handle_scope(instance_->isolate());
- std::vector<int> expected;
- expected.push_back(-1);
- expected.push_back(0);
- expected.push_back(1);
- auto js_array =
- Converter<std::vector<int>>::ToV8(instance_->isolate(), expected)
- .As<Array>();
- EXPECT_EQ(3u, js_array->Length());
- v8::Local<v8::Context> context = instance_->isolate()->GetCurrentContext();
- for (size_t i = 0; i < expected.size(); ++i) {
- EXPECT_TRUE(
- Integer::New(instance_->isolate(), expected[i])
- ->StrictEquals(
- js_array->Get(context, static_cast<int>(i)).ToLocalChecked()));
- }
- }
- TEST_F(ConverterTest, VectorOfVectors) {
- HandleScope handle_scope(instance_->isolate());
- std::vector<std::vector<int>> vector_of_vectors = {
- {1, 2, 3}, {4, 5, 6},
- };
- v8::Local<v8::Value> v8_value =
- ConvertToV8(instance_->isolate(), vector_of_vectors);
- std::vector<std::vector<int>> out_value;
- ASSERT_TRUE(ConvertFromV8(instance_->isolate(), v8_value, &out_value));
- EXPECT_THAT(out_value, testing::ContainerEq(vector_of_vectors));
- }
- namespace {
- class MyObject : public Wrappable<MyObject> {
- public:
- static WrapperInfo kWrapperInfo;
- static gin::Handle<MyObject> Create(v8::Isolate* isolate) {
- return CreateHandle(isolate, new MyObject());
- }
- };
- WrapperInfo MyObject::kWrapperInfo = {kEmbedderNativeGin};
- } // namespace
- TEST_F(ConverterTest, VectorOfWrappables) {
- v8::Isolate* isolate = instance_->isolate();
- v8::HandleScope handle_scope(isolate);
- Handle<MyObject> obj = MyObject::Create(isolate);
- std::vector<MyObject*> vector = {obj.get()};
- v8::MaybeLocal<v8::Value> maybe = ConvertToV8(isolate, vector);
- v8::Local<v8::Value> array;
- ASSERT_TRUE(maybe.ToLocal(&array));
- v8::Local<v8::Value> array2;
- ASSERT_TRUE(TryConvertToV8(isolate, vector, &array2));
- std::vector<MyObject*> out_value;
- ASSERT_TRUE(ConvertFromV8(isolate, array, &out_value));
- EXPECT_THAT(out_value, testing::ContainerEq(vector));
- std::vector<MyObject*> out_value2;
- ASSERT_TRUE(ConvertFromV8(isolate, array2, &out_value2));
- EXPECT_THAT(out_value2, testing::ContainerEq(vector));
- }
- namespace {
- class MoveOnlyObject {
- public:
- MoveOnlyObject() = default;
- MoveOnlyObject(const MoveOnlyObject&) = delete;
- MoveOnlyObject& operator=(const MoveOnlyObject&) = delete;
- MoveOnlyObject(MoveOnlyObject&&) noexcept = default;
- MoveOnlyObject& operator=(MoveOnlyObject&&) noexcept = default;
- };
- } // namespace
- template <>
- struct Converter<MoveOnlyObject> {
- static v8::Local<v8::Value> ToV8(v8::Isolate* isolate, MoveOnlyObject in) {
- return v8::Undefined(isolate);
- }
- static bool FromV8(v8::Isolate* isolate,
- v8::Local<v8::Value> val,
- MoveOnlyObject* out) {
- *out = MoveOnlyObject();
- return true;
- }
- };
- TEST_F(ConverterTest, MoveOnlyParameters) {
- v8::Isolate* isolate = instance_->isolate();
- v8::HandleScope handle_scope(isolate);
- auto receives_move_only_obj = [](MoveOnlyObject obj) {};
- auto func_templ = gin::CreateFunctionTemplate(
- isolate, base::BindRepeating(receives_move_only_obj));
- v8::Local<v8::Context> context = instance_->isolate()->GetCurrentContext();
- auto func = func_templ->GetFunction(context).ToLocalChecked();
- v8::Local<v8::Value> argv[] = {v8::Undefined(isolate)};
- func->Call(context, v8::Undefined(isolate), 1, argv).ToLocalChecked();
- }
- } // namespace gin
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