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// Copyright 2017 The Chromium Authors
// 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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