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- // Copyright 2017 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/arguments.h"
- #include "base/bind.h"
- #include "gin/converter.h"
- #include "gin/object_template_builder.h"
- #include "gin/public/isolate_holder.h"
- #include "gin/test/v8_test.h"
- #include "v8/include/v8-context.h"
- #include "v8/include/v8-forward.h"
- #include "v8/include/v8-function.h"
- #include "v8/include/v8-object.h"
- #include "v8/include/v8-primitive.h"
- #include "v8/include/v8-script.h"
- #include "v8/include/v8-template.h"
- namespace gin {
- using ArgumentsTest = V8Test;
- // Test that Arguments::GetHolderCreationContext returns the proper context.
- TEST_F(ArgumentsTest, TestArgumentsHolderCreationContext) {
- v8::Isolate* isolate = instance_->isolate();
- v8::HandleScope handle_scope(isolate);
- v8::Local<v8::Context> creation_context = context_.Get(instance_->isolate());
- auto check_creation_context = [](v8::Local<v8::Context> expected_context,
- gin::Arguments* arguments) {
- EXPECT_EQ(expected_context, arguments->GetHolderCreationContext());
- };
- // Create an object that will compare GetHolderCreationContext() with
- // |creation_context|.
- v8::Local<v8::ObjectTemplate> object_template =
- ObjectTemplateBuilder(isolate)
- .SetMethod(
- "checkCreationContext",
- base::BindRepeating(check_creation_context, creation_context))
- .Build();
- v8::Local<v8::Object> object =
- object_template->NewInstance(creation_context).ToLocalChecked();
- // Call checkCreationContext() on the generated object using the passed-in
- // context as the current context.
- auto test_context = [object, isolate](v8::Local<v8::Context> context) {
- v8::Context::Scope context_scope(context);
- const char kCallFunction[] = "(function(o) { o.checkCreationContext(); })";
- v8::Local<v8::Script> script =
- v8::Script::Compile(context, StringToV8(isolate, kCallFunction))
- .ToLocalChecked();
- v8::Local<v8::Function> function;
- ASSERT_TRUE(ConvertFromV8(isolate, script->Run(context).ToLocalChecked(),
- &function));
- v8::Local<v8::Value> args[] = {object};
- function->Call(context, v8::Undefined(isolate), std::size(args), args)
- .ToLocalChecked();
- };
- // Test calling in the creation context.
- test_context(creation_context);
- {
- // Create a second context, and test calling in that. The creation context
- // should be the same (even though the current context has changed).
- v8::Local<v8::Context> second_context =
- v8::Context::New(isolate, nullptr, v8::Local<v8::ObjectTemplate>());
- test_context(second_context);
- }
- }
- TEST_F(ArgumentsTest, TestGetAll) {
- v8::Isolate* isolate = instance_->isolate();
- v8::HandleScope handle_scope(isolate);
- v8::Local<v8::Context> context = context_.Get(instance_->isolate());
- using V8List = std::vector<v8::Local<v8::Value>>;
- V8List list1 = {
- gin::ConvertToV8(isolate, 1), gin::StringToV8(isolate, "some string"),
- gin::ConvertToV8(isolate, std::vector<double>({2.0, 3.0})),
- };
- bool called1 = false;
- V8List list2 = {
- gin::StringToV8(isolate, "some other string"),
- gin::ConvertToV8(isolate, 42),
- };
- bool called2 = false;
- V8List list3; // Empty list.
- bool called3 = false;
- auto check_arguments = [](V8List* expected, bool* called,
- gin::Arguments* arguments) {
- *called = true;
- V8List actual = arguments->GetAll();
- ASSERT_EQ(expected->size(), actual.size());
- for (size_t i = 0; i < expected->size(); ++i)
- EXPECT_EQ(expected->at(i), actual[i]) << i;
- };
- // Create an object that will compare GetHolderCreationContext() with
- // |creation_context|.
- v8::Local<v8::ObjectTemplate> object_template =
- ObjectTemplateBuilder(isolate)
- .SetMethod("check1",
- base::BindRepeating(check_arguments, &list1, &called1))
- .SetMethod("check2",
- base::BindRepeating(check_arguments, &list2, &called2))
- .SetMethod("check3",
- base::BindRepeating(check_arguments, &list3, &called3))
- .Build();
- v8::Local<v8::Object> object =
- object_template->NewInstance(context).ToLocalChecked();
- auto do_check = [object, context](V8List& args, base::StringPiece key) {
- v8::Local<v8::Value> val;
- ASSERT_TRUE(
- object->Get(context, gin::StringToSymbol(context->GetIsolate(), key))
- .ToLocal(&val));
- ASSERT_TRUE(val->IsFunction());
- val.As<v8::Function>()
- ->Call(context, object, static_cast<int>(args.size()), args.data())
- .ToLocalChecked();
- };
- do_check(list1, "check1");
- EXPECT_TRUE(called1);
- do_check(list2, "check2");
- EXPECT_TRUE(called2);
- do_check(list3, "check3");
- EXPECT_TRUE(called3);
- }
- } // namespace gin
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