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// Copyright 2014 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 EXTENSIONS_TEST_RESULT_CATCHER_H_
#define EXTENSIONS_TEST_RESULT_CATCHER_H_
#include <deque>
#include <string>
#include "base/callback.h"
#include "base/compiler_specific.h"
#include "content/public/browser/notification_observer.h"
#include "content/public/browser/notification_registrar.h"
namespace content {
class BrowserContext;
} // namespace content
namespace extensions {
// Helper class that observes tests failing or passing. Observation starts
// when the class is constructed. Get the next result by calling
// GetNextResult() and message() if GetNextResult() return false. If there
// are no results, this method will pump the UI message loop until one is
// received.
class ResultCatcher : public content::NotificationObserver {
public:
ResultCatcher();
~ResultCatcher() override;
// Pumps the UI loop until a notification is received that an API test
// succeeded or failed. Returns true if the test succeeded, false otherwise.
bool GetNextResult();
void RestrictToBrowserContext(content::BrowserContext* context) {
browser_context_restriction_ = context;
}
const std::string& message() { return message_; }
private:
// content::NotificationObserver:
void Observe(int type,
const content::NotificationSource& source,
const content::NotificationDetails& details) override;
content::NotificationRegistrar registrar_;
// A sequential list of pass/fail notifications from the test extension(s).
std::deque<bool> results_;
// If it failed, what was the error message?
std::deque<std::string> messages_;
std::string message_;
// If non-NULL, we will listen to events from this BrowserContext only.
content::BrowserContext* browser_context_restriction_;
// Only set if we're in a nested message loop waiting for results from
// the extension.
base::Closure quit_closure_;
};
} // namespace extensions
#endif // EXTENSIONS_TEST_RESULT_CATCHER_H_
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