42 lines
962 B
C++
42 lines
962 B
C++
//
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// Copyright 2016 The ANGLE Project Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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//
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// Observer_unittest:
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// Unit tests for Observers and related classes.
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#include <gtest/gtest.h>
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#include "libANGLE/Observer.h"
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using namespace angle;
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using namespace testing;
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namespace
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{
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struct ObserverClass : public ObserverInterface
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{
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void onSubjectStateChange(SubjectIndex index, SubjectMessage message) override
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{
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wasNotified = true;
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}
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bool wasNotified = false;
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};
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// Test that Observer/Subject state change notifications work.
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TEST(ObserverTest, BasicUsage)
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{
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Subject subject;
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ObserverClass observer;
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ObserverBinding binding(&observer, 0u);
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binding.bind(&subject);
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ASSERT_FALSE(observer.wasNotified);
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subject.onStateChange(SubjectMessage::SubjectChanged);
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ASSERT_TRUE(observer.wasNotified);
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}
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} // anonymous namespace
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