|  | // Copyright 2020 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 <utility> | 
|  |  | 
|  | #include "content/public/test/test_web_ui.h" | 
|  | #include "testing/gtest/include/gtest/gtest.h" | 
|  |  | 
|  | class WebUITest : public testing::Test { | 
|  | public: | 
|  | WebUITest() = default; | 
|  | ~WebUITest() override = default; | 
|  |  | 
|  | void SetUp() override { web_ui_ = std::make_unique<content::TestWebUI>(); } | 
|  |  | 
|  | std::unique_ptr<content::TestWebUI> web_ui_; | 
|  | }; | 
|  |  | 
|  | namespace { | 
|  |  | 
|  | void HandleTestMessage(int number, bool conditional, const std::string& text) { | 
|  | ASSERT_EQ(11, number); | 
|  | ASSERT_TRUE(conditional); | 
|  | ASSERT_EQ("test text", text); | 
|  | } | 
|  |  | 
|  | }  // namespace | 
|  |  | 
|  | TEST_F(WebUITest, TestHandler) { | 
|  | web_ui_->RegisterHandlerCallback("testMessage", | 
|  | base::BindRepeating(&HandleTestMessage)); | 
|  | base::Value args(base::Value::Type::LIST); | 
|  | args.Append(11); | 
|  | args.Append(true); | 
|  | args.Append("test text"); | 
|  | web_ui_->HandleReceivedMessage("testMessage", | 
|  | &base::Value::AsListValue(args)); | 
|  | } |