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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 "ui/base/scoped_visibility_tracker.h"
#include <utility>
#include "base/test/simple_test_tick_clock.h"
#include "base/time/time.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace ui {
class ScopedVisibilityTrackerTest : public testing::Test {};
TEST_F(ScopedVisibilityTrackerTest, NeverVisible) {
auto tick_clock = std::make_unique<base::SimpleTestTickClock>();
ScopedVisibilityTracker tracker(tick_clock.get(), false /* is_shown */);
tick_clock->Advance(base::Minutes(10));
EXPECT_EQ(base::Minutes(0), tracker.GetForegroundDuration());
}
TEST_F(ScopedVisibilityTrackerTest, SimpleVisibility) {
auto tick_clock = std::make_unique<base::SimpleTestTickClock>();
ScopedVisibilityTracker tracker(tick_clock.get(), true /* is_shown */);
tick_clock->Advance(base::Minutes(10));
EXPECT_EQ(base::Minutes(10), tracker.GetForegroundDuration());
}
TEST_F(ScopedVisibilityTrackerTest, HiddenThenShown) {
auto tick_clock = std::make_unique<base::SimpleTestTickClock>();
ScopedVisibilityTracker tracker(tick_clock.get(), true /* is_shown */);
tick_clock->Advance(base::Minutes(1));
EXPECT_EQ(base::Minutes(1), tracker.GetForegroundDuration());
tracker.OnHidden();
tick_clock->Advance(base::Minutes(2));
EXPECT_EQ(base::Minutes(1), tracker.GetForegroundDuration());
tracker.OnShown();
tick_clock->Advance(base::Minutes(3));
EXPECT_EQ(base::Minutes(4), tracker.GetForegroundDuration());
}
TEST_F(ScopedVisibilityTrackerTest, InitiallyHidden) {
auto tick_clock = std::make_unique<base::SimpleTestTickClock>();
ScopedVisibilityTracker tracker(tick_clock.get(), false /* is_shown */);
tick_clock->Advance(base::Minutes(1));
EXPECT_EQ(base::Minutes(0), tracker.GetForegroundDuration());
tracker.OnShown();
tick_clock->Advance(base::Minutes(2));
EXPECT_EQ(base::Minutes(2), tracker.GetForegroundDuration());
}
// The object should be robust to double hidden and shown notification
TEST_F(ScopedVisibilityTrackerTest, DoubleNotifications) {
auto tick_clock = std::make_unique<base::SimpleTestTickClock>();
ScopedVisibilityTracker tracker(tick_clock.get(), false /* is_shown */);
tick_clock->Advance(base::Minutes(1));
EXPECT_EQ(base::Minutes(0), tracker.GetForegroundDuration());
tracker.OnHidden();
tick_clock->Advance(base::Minutes(1));
EXPECT_EQ(base::Minutes(0), tracker.GetForegroundDuration());
tracker.OnShown();
tick_clock->Advance(base::Minutes(2));
EXPECT_EQ(base::Minutes(2), tracker.GetForegroundDuration());
tracker.OnShown();
tick_clock->Advance(base::Minutes(2));
EXPECT_EQ(base::Minutes(4), tracker.GetForegroundDuration());
}
} // namespace ui
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