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// Copyright (c) 2012 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.
#ifndef CHROME_TEST_BASE_MODULE_SYSTEM_TEST_H_
#define CHROME_TEST_BASE_MODULE_SYSTEM_TEST_H_
#include "chrome/renderer/extensions/chrome_v8_context.h"
#include "chrome/renderer/extensions/module_system.h"
#include "chrome/renderer/extensions/scoped_persistent.h"
#include "v8/include/v8.h"
#include "testing/gtest/include/gtest/gtest.h"
class AssertNatives;
class StringSourceMap;
// Test fixture for testing JS that makes use of the module system.
//
// Typically tests will look like:
//
// TEST_F(MyModuleSystemTest, TestStuff) {
// ModuleSystem::NativesEnabledScope natives_enabled(module_system_.get());
// RegisterModule("test", "requireNative('assert').AssertTrue(true);");
// module_system_->Require("test");
// }
//
// By default a test will fail if no method in the native module 'assert' is
// called. This behaviour can be overridden by calling ExpectNoAssertionsMade().
class ModuleSystemTest : public testing::Test {
public:
ModuleSystemTest();
virtual ~ModuleSystemTest();
virtual void TearDown() OVERRIDE;
protected:
// Register a named JS module in the module system.
void RegisterModule(const std::string& name, const std::string& code);
// Register a named JS module with source retrieved from a ResourceBundle.
void RegisterModule(const std::string& name, int resource_id);
// Register a named JS module in the module system and tell the module system
// to use it to handle any requireNative() calls for native modules with that
// name.
void OverrideNativeHandler(const std::string& name, const std::string& code);
// Make the test fail if any asserts are called. By default a test will fail
// if no asserts are called.
void ExpectNoAssertionsMade();
// Create an empty object in the global scope with name |name|.
v8::Handle<v8::Object> CreateGlobal(const std::string& name);
v8::Isolate* isolate_;
v8::HandleScope handle_scope_;
scoped_ptr<extensions::ChromeV8Context> context_;
AssertNatives* assert_natives_;
scoped_ptr<StringSourceMap> source_map_;
scoped_ptr<extensions::ModuleSystem> module_system_;
bool should_assertions_be_made_;
private:
DISALLOW_COPY_AND_ASSIGN(ModuleSystemTest);
};
#endif // CHROME_TEST_BASE_MODULE_SYSTEM_TEST_H_
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