third_party/WebKit/Source/web/tests/ScrollAnimatorTest.cpp - Issue 1438043011: Move ScrollAnimatorTest.cpp to Source/platform/scroll/.

Unified Diff: third_party/WebKit/Source/web/tests/ScrollAnimatorTest.cpp

Issue 1438043011: Move ScrollAnimatorTest.cpp to Source/platform/scroll/. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: provide zero for all WTF platform time functions Created 5 years, 1 month ago

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Index: third_party/WebKit/Source/web/tests/ScrollAnimatorTest.cpp

diff --git a/third_party/WebKit/Source/web/tests/ScrollAnimatorTest.cpp b/third_party/WebKit/Source/web/tests/ScrollAnimatorTest.cpp

deleted file mode 100644

index d691c953a295f908a66bb41aad776341bf117076..0000000000000000000000000000000000000000

--- a/third_party/WebKit/Source/web/tests/ScrollAnimatorTest.cpp

+++ /dev/null

@@ -1,1095 +0,0 @@

-/*

- *

- * Redistribution and use in source and binary forms, with or without

- * modification, are permitted provided that the following conditions

- * are met:

- *

- * 1. Redistributions of source code must retain the above copyright

- * notice, this list of conditions and the following disclaimer.

- * 2. Redistributions in binary form must reproduce the above copyright

- * notice, this list of conditions and the following disclaimer in the

- * documentation and/or other materials provided with the distribution.

- *

- * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY

- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED

- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE

- * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY

- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES

- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;

- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND

- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF

- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

- */

-// Tests for the ScrollAnimator class.

-#include "config.h"

-#include "platform/scroll/ScrollAnimator.h"

-#include "platform/Logging.h"

-#include "platform/geometry/FloatPoint.h"

-#include "platform/geometry/IntRect.h"

-#include "platform/scroll/ScrollAnimatorBase.h"

-#include "platform/scroll/ScrollableArea.h"

-#include <gmock/gmock.h>

-#include <gtest/gtest.h>

-namespace blink {

-using testing::AtLeast;

-using testing::Return;

-using testing::_;

-class MockScrollableArea : public NoBaseWillBeGarbageCollectedFinalized<MockScrollableArea>, public ScrollableArea {

- WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(MockScrollableArea);

-public:

- static PassOwnPtrWillBeRawPtr<MockScrollableArea> create(bool scrollAnimatorEnabled)

- {

- return adoptPtrWillBeNoop(new MockScrollableArea(scrollAnimatorEnabled));

- }

- MOCK_CONST_METHOD0(isActive, bool());

- MOCK_CONST_METHOD1(scrollSize, int(ScrollbarOrientation));

- MOCK_METHOD2(invalidateScrollbar, void(Scrollbar*, const IntRect&));

- MOCK_CONST_METHOD0(isScrollCornerVisible, bool());

- MOCK_CONST_METHOD0(scrollCornerRect, IntRect());

- MOCK_METHOD2(setScrollOffset, void(const IntPoint&, ScrollType));

- MOCK_METHOD2(invalidateScrollbarRect, void(Scrollbar*, const IntRect&));

- MOCK_METHOD1(invalidateScrollCornerRect, void(const IntRect&));

- MOCK_CONST_METHOD0(enclosingScrollableArea, ScrollableArea*());

- MOCK_CONST_METHOD0(minimumScrollPosition, IntPoint());

- MOCK_CONST_METHOD0(maximumScrollPosition, IntPoint());

- MOCK_CONST_METHOD1(visibleContentRect, IntRect(IncludeScrollbarsInRect));

- MOCK_CONST_METHOD0(contentsSize, IntSize());

- MOCK_CONST_METHOD0(scrollbarsCanBeActive, bool());

- MOCK_CONST_METHOD0(scrollableAreaBoundingBox, IntRect());

- bool userInputScrollable(ScrollbarOrientation) const override { return true; }

- bool shouldPlaceVerticalScrollbarOnLeft() const override { return false; }

- IntPoint scrollPosition() const override { return IntPoint(); }

- int visibleHeight() const override { return 768; }

- int visibleWidth() const override { return 1024; }

- bool scrollAnimatorEnabled() const override { return m_scrollAnimatorEnabled; }

- int pageStep(ScrollbarOrientation) const override { return 0; }

- DEFINE_INLINE_VIRTUAL_TRACE()

- {

- ScrollableArea::trace(visitor);

- }

-private:

- explicit MockScrollableArea(bool scrollAnimatorEnabled)

- : m_scrollAnimatorEnabled(scrollAnimatorEnabled) { }

- bool m_scrollAnimatorEnabled;

-};

-class MockScrollAnimatorNone : public ScrollAnimator {

-public:

- static PassOwnPtr<MockScrollAnimatorNone> create(ScrollableArea* scrollableArea)

- {

- return adoptPtr(new MockScrollAnimatorNone(scrollableArea));

- }

- float currentX() { return m_currentPosX; }

- float currentY() { return m_currentPosY; }

- FloatPoint m_fp;

- int m_count;

- void reset()

- {

- stopAnimationTimerIfNeeded();

- m_currentPosX = 0;

- m_currentPosY = 0;

- m_horizontalData.reset();

- m_verticalData.reset();

- m_fp = FloatPoint::zero();

- m_count = 0;

- }

- virtual void fireUpAnAnimation(FloatPoint fp)

- {

- m_fp = fp;

- m_count++;

- }

-private:

- explicit MockScrollAnimatorNone(ScrollableArea* scrollableArea)

- : ScrollAnimator(scrollableArea) { }

-};

-TEST(ScrollAnimatorEnabled, Enabled)

- OwnPtrWillBeRawPtr<MockScrollableArea> scrollableArea = MockScrollableArea::create(true);

- OwnPtr<MockScrollAnimatorNone> scrollAnimatorNone = MockScrollAnimatorNone::create(scrollableArea.get());

- EXPECT_CALL(*scrollableArea, minimumScrollPosition()).Times(AtLeast(1)).WillRepeatedly(Return(IntPoint()));

- EXPECT_CALL(*scrollableArea, maximumScrollPosition()).Times(AtLeast(1)).WillRepeatedly(Return(IntPoint(1000, 1000)));

- EXPECT_CALL(*scrollableArea, setScrollOffset(_, _)).Times(4);

- scrollAnimatorNone->userScroll(HorizontalScrollbar, ScrollByLine, 100, 1);

- EXPECT_NE(100, scrollAnimatorNone->currentX());

- EXPECT_NE(0, scrollAnimatorNone->currentX());

- EXPECT_EQ(0, scrollAnimatorNone->currentY());

- scrollAnimatorNone->reset();

- scrollAnimatorNone->userScroll(HorizontalScrollbar, ScrollByPage, 100, 1);

- EXPECT_NE(100, scrollAnimatorNone->currentX());

- EXPECT_NE(0, scrollAnimatorNone->currentX());

- EXPECT_EQ(0, scrollAnimatorNone->currentY());

- scrollAnimatorNone->reset();

- scrollAnimatorNone->userScroll(HorizontalScrollbar, ScrollByPixel, 4, 25);

- EXPECT_NE(100, scrollAnimatorNone->currentX());

- EXPECT_NE(0, scrollAnimatorNone->currentX());

- EXPECT_EQ(0, scrollAnimatorNone->currentY());

- scrollAnimatorNone->reset();

- scrollAnimatorNone->userScroll(HorizontalScrollbar, ScrollByPrecisePixel, 4, 25);

- EXPECT_EQ(100, scrollAnimatorNone->currentX());

- EXPECT_NE(0, scrollAnimatorNone->currentX());

- EXPECT_EQ(0, scrollAnimatorNone->currentY());

- scrollAnimatorNone->reset();

-TEST(ScrollAnimatorEnabled, Disabled)

- OwnPtrWillBeRawPtr<MockScrollableArea> scrollableArea = MockScrollableArea::create(false);

- OwnPtr<MockScrollAnimatorNone> scrollAnimatorNone = MockScrollAnimatorNone::create(scrollableArea.get());

- EXPECT_CALL(*scrollableArea, minimumScrollPosition()).Times(AtLeast(1)).WillRepeatedly(Return(IntPoint()));

- EXPECT_CALL(*scrollableArea, maximumScrollPosition()).Times(AtLeast(1)).WillRepeatedly(Return(IntPoint(1000, 1000)));

- EXPECT_CALL(*scrollableArea, setScrollOffset(_, _)).Times(4);

- scrollAnimatorNone->userScroll(HorizontalScrollbar, ScrollByLine, 100, 1);

- EXPECT_EQ(100, scrollAnimatorNone->currentX());

- EXPECT_EQ(0, scrollAnimatorNone->currentY());

- scrollAnimatorNone->reset();

- scrollAnimatorNone->userScroll(HorizontalScrollbar, ScrollByPage, 100, 1);

- EXPECT_EQ(100, scrollAnimatorNone->currentX());

- EXPECT_EQ(0, scrollAnimatorNone->currentY());

- scrollAnimatorNone->reset();

- scrollAnimatorNone->userScroll(HorizontalScrollbar, ScrollByDocument, 100, 1);

- EXPECT_EQ(100, scrollAnimatorNone->currentX());

- EXPECT_EQ(0, scrollAnimatorNone->currentY());

- scrollAnimatorNone->reset();

- scrollAnimatorNone->userScroll(HorizontalScrollbar, ScrollByPixel, 100, 1);

- EXPECT_EQ(100, scrollAnimatorNone->currentX());

- EXPECT_EQ(0, scrollAnimatorNone->currentY());

- scrollAnimatorNone->reset();

-class ScrollAnimatorTest : public testing::Test {

-public:

- struct SavePerAxisData : public ScrollAnimator::PerAxisData {

- SavePerAxisData(const ScrollAnimator::PerAxisData& data)

- : ScrollAnimator::PerAxisData(0, 768)

- , m_mockScrollableArea(MockScrollableArea::create(true))

- , m_mockScrollAnimatorNone(MockScrollAnimatorNone::create(m_mockScrollableArea.get()))

- {

- this->m_currentVelocity = data.m_currentVelocity;

- this->m_desiredPosition = data.m_desiredPosition;

- this->m_desiredVelocity = data.m_desiredVelocity;

- this->m_startPosition = data.m_startPosition;

- this->m_startTime = data.m_startTime;

- this->m_startVelocity = data.m_startVelocity;

- this->m_animationTime = data.m_animationTime;

- this->m_lastAnimationTime = data.m_lastAnimationTime;

- this->m_attackPosition = data.m_attackPosition;

- this->m_attackTime = data.m_attackTime;

- this->m_attackCurve = data.m_attackCurve;

- this->m_releasePosition = data.m_releasePosition;

- this->m_releaseTime = data.m_releaseTime;

- this->m_releaseCurve = data.m_releaseCurve;

- }

- bool operator==(const SavePerAxisData& other) const

- {

- return m_currentVelocity == other.m_currentVelocity && m_desiredPosition == other.m_desiredPosition && m_desiredVelocity == other.m_desiredVelocity && m_startPosition == other.m_startPosition && m_startTime == other.m_startTime && m_startVelocity == other.m_startVelocity && m_animationTime == other.m_animationTime && m_lastAnimationTime == other.m_lastAnimationTime && m_attackPosition == other.m_attackPosition && m_attackTime == other.m_attackTime && m_attackCurve == other.m_attackCurve && m_releasePosition == other.m_releasePosition && m_releaseTime == other.m_releaseTime && m_releaseCurve == other.m_releaseCurve;

- }

- OwnPtrWillBePersistent<MockScrollableArea> m_mockScrollableArea;

- OwnPtr<MockScrollAnimatorNone> m_mockScrollAnimatorNone;

- };

- ScrollAnimatorTest()

- : m_mockScrollableArea(MockScrollableArea::create(true))

- , m_mockScrollAnimatorNone(MockScrollAnimatorNone::create(m_mockScrollableArea.get()))

- {

- }

- void SetUp() override

- {

- m_currentPosition = 100;

- m_data = new ScrollAnimator::PerAxisData(&m_currentPosition, 768);

- }

- void TearDown() override

- {

- delete m_data;

- }

- void reset();

- bool updateDataFromParameters(float step, float multiplier, float minScrollPos, float maxScrollPos, double currentTime, ScrollAnimator::Parameters*);

- bool updateDataFromParameters(float step, float multiplier, float scrollableSize, double currentTime, ScrollAnimator::Parameters*);

- bool animateScroll(double currentTime);

- double attackArea(ScrollAnimator::Curve, double startT, double endT);

- double releaseArea(ScrollAnimator::Curve, double startT, double endT);

- double attackCurve(ScrollAnimator::Curve, double deltaT, double curveT, double startPosition, double attackPosition);

- double releaseCurve(ScrollAnimator::Curve, double deltaT, double curveT, double releasePosition, double desiredPosition);

- double coastCurve(ScrollAnimator::Curve, double factor);

- void curveTestInner(ScrollAnimator::Curve, double step, double time);

- void curveTest(ScrollAnimator::Curve);

- void checkDesiredPosition(float expectedPosition);

- void checkSoftLanding(float expectedPosition);

- static double kTickTime;

- static double kAnimationTime;

- static double kStartTime;

- static double kEndTime;

- float m_currentPosition;

- OwnPtrWillBePersistent<MockScrollableArea> m_mockScrollableArea;

- OwnPtr<MockScrollAnimatorNone> m_mockScrollAnimatorNone;

- bool m_scrollingDown;

- ScrollAnimator::PerAxisData* m_data;

-};

-double ScrollAnimatorTest::kTickTime = 1 / 60.0;

-double ScrollAnimatorTest::kAnimationTime = 0.01;

-double ScrollAnimatorTest::kStartTime = 10.0;

-double ScrollAnimatorTest::kEndTime = 20.0;

-void ScrollAnimatorTest::reset()

- m_data->reset();

- m_scrollingDown = true;

-bool ScrollAnimatorTest::updateDataFromParameters(float step, float multiplier, float minScrollPos, float maxScrollPos, double currentTime, ScrollAnimator::Parameters* parameters)

- if (step * multiplier)

- m_scrollingDown = (step * multiplier > 0);

- double oldVelocity = m_data->m_currentVelocity;

- double oldDesiredVelocity = m_data->m_desiredVelocity;

- double oldTimeLeft = m_data->m_animationTime - (m_data->m_lastAnimationTime - m_data->m_startTime);

- bool result = m_data->updateDataFromParameters(step, multiplier, minScrollPos, maxScrollPos, currentTime, parameters);

- if (m_scrollingDown)

- EXPECT_LE(oldVelocity, m_data->m_currentVelocity);

- else

- EXPECT_GE(oldVelocity, m_data->m_currentVelocity);

- double deltaTime = m_data->m_lastAnimationTime - m_data->m_startTime;

- double timeLeft = m_data->m_animationTime - deltaTime;

- double releaseTimeLeft = std::min(timeLeft, m_data->m_releaseTime);

- double attackTimeLeft = std::max(0., m_data->m_attackTime - deltaTime);

- double sustainTimeLeft = std::max(0., timeLeft - releaseTimeLeft - attackTimeLeft);

- // If we're getting near the finish, the desired velocity can decrease since the time left gets increased.

- if (step * multiplier) {

- double allowedVelocityDecreaseFactor = 0.99 * oldTimeLeft / timeLeft;

- allowedVelocityDecreaseFactor *= allowedVelocityDecreaseFactor;

- if (m_scrollingDown)

- EXPECT_LE(oldDesiredVelocity * allowedVelocityDecreaseFactor, m_data->m_desiredVelocity);

- else

- EXPECT_GE(oldDesiredVelocity * allowedVelocityDecreaseFactor, m_data->m_desiredVelocity);

- double startPosition = attackTimeLeft ? m_data->m_attackPosition : m_currentPosition;

- double expectedReleasePosition = startPosition + sustainTimeLeft * m_data->m_desiredVelocity;

- EXPECT_NEAR(expectedReleasePosition, m_data->m_releasePosition, result ? .0001 : 1);

- }

- return result;

-bool ScrollAnimatorTest::updateDataFromParameters(float step, float multiplier, float scrollableSize, double currentTime, ScrollAnimator::Parameters* parameters)

- return updateDataFromParameters(step, multiplier, 0, scrollableSize, currentTime, parameters);

-bool ScrollAnimatorTest::animateScroll(double currentTime)

- double oldPosition = *m_data->m_currentPosition;

- bool testEstimatedMaxVelocity = m_data->m_startTime + m_data->m_animationTime - m_data->m_lastAnimationTime > m_data->m_releaseTime;

- bool result = m_data->animateScroll(currentTime);

- double deltaTime = m_data->m_lastAnimationTime - m_data->m_startTime;

- double timeLeft = m_data->m_animationTime - deltaTime;

- double releaseTimeLeft = std::min(timeLeft, m_data->m_releaseTime);

- double attackTimeLeft = std::max(0., m_data->m_attackTime - deltaTime);

- double sustainTimeLeft = std::max(0., timeLeft - releaseTimeLeft - attackTimeLeft);

- double distanceLeft = m_data->m_desiredPosition - *m_data->m_currentPosition;

- if (m_scrollingDown) {

- EXPECT_LE(0, m_data->m_currentVelocity);

- EXPECT_LE(oldPosition, *m_data->m_currentPosition);

- } else {

- EXPECT_GE(0, m_data->m_currentVelocity);

- EXPECT_GE(oldPosition, *m_data->m_currentPosition);

- }

- EXPECT_GE(fabs(m_data->m_desiredVelocity) * 2, fabs(m_data->m_currentVelocity));

- if (testEstimatedMaxVelocity)

- EXPECT_GE(fabs(distanceLeft / sustainTimeLeft) * 1.2, fabs(m_data->m_currentVelocity));

- return result;

-double ScrollAnimatorTest::attackArea(ScrollAnimator::Curve curve, double startT, double endT)

- return ScrollAnimator::PerAxisData::attackArea(curve, startT, endT);

-double ScrollAnimatorTest::releaseArea(ScrollAnimator::Curve curve, double startT, double endT)

- return ScrollAnimator::PerAxisData::releaseArea(curve, startT, endT);

-double ScrollAnimatorTest::attackCurve(ScrollAnimator::Curve curve, double deltaT, double curveT, double startPosition, double attackPosition)

- return ScrollAnimator::PerAxisData::attackCurve(curve, deltaT, curveT, startPosition, attackPosition);

-double ScrollAnimatorTest::releaseCurve(ScrollAnimator::Curve curve, double deltaT, double curveT, double releasePosition, double desiredPosition)

- return ScrollAnimator::PerAxisData::releaseCurve(curve, deltaT, curveT, releasePosition, desiredPosition);

-double ScrollAnimatorTest::coastCurve(ScrollAnimator::Curve curve, double factor)

- return ScrollAnimator::PerAxisData::coastCurve(curve, factor);

-void ScrollAnimatorTest::curveTestInner(ScrollAnimator::Curve curve, double step, double time)

- const double kPosition = 1000;

- double oldPos = 0;

- double oldVelocity = 0;

- double accumulate = 0;

- for (double t = step ; t <= time ; t += step) {

- double newPos = attackCurve(curve, t, time, 0, kPosition);

- double delta = newPos - oldPos;

- double velocity = delta / step;

- double velocityDelta = velocity - oldVelocity;

- accumulate += (oldPos + newPos) / 2 * (step / time);

- oldPos = newPos;

- oldVelocity = velocity;

- if (curve != ScrollAnimator::Bounce) {

- EXPECT_LE(-.0001, velocityDelta);

- EXPECT_LT(0, delta);

- }

- double area = attackArea(curve, 0, t / time) * kPosition;

- EXPECT_LE(0, area);

- EXPECT_NEAR(accumulate, area, 1.0);

- }

- oldPos = 0;

- oldVelocity *= 2;

- accumulate = releaseArea(curve, 0, 1) * kPosition;

- for (double t = step ; t <= time ; t += step) {

- double newPos = releaseCurve(curve, t, time, 0, kPosition);

- double delta = newPos - oldPos;

- double velocity = delta / step;

- double velocityDelta = velocity - oldVelocity;

- accumulate -= (kPosition - (oldPos + newPos) / 2) * (step / time);

- oldPos = newPos;

- oldVelocity = velocity;

- if (curve != ScrollAnimator::Bounce) {

- EXPECT_GE(0.01, velocityDelta);

- EXPECT_LT(0, delta);

- }

- double area = releaseArea(curve, t / time, 1) * kPosition;

- EXPECT_LE(0, area);

- EXPECT_NEAR(accumulate, area, 1.0);

- }

-void ScrollAnimatorTest::curveTest(ScrollAnimator::Curve curve)

- curveTestInner(curve, 0.01, 0.25);

- curveTestInner(curve, 0.2, 10);

- curveTestInner(curve, 0.025, 10);

- curveTestInner(curve, 0.01, 1);

- curveTestInner(curve, 0.25, 40);

-void ScrollAnimatorTest::checkDesiredPosition(float expectedPosition)

- EXPECT_EQ(expectedPosition, m_data->m_desiredPosition);

-void ScrollAnimatorTest::checkSoftLanding(float expectedPosition)

- EXPECT_EQ(expectedPosition, m_currentPosition);

- EXPECT_LE(m_data->m_desiredVelocity / 2, m_data->m_currentVelocity);

-TEST_F(ScrollAnimatorTest, CurveMathLinear)

- curveTest(ScrollAnimator::Linear);

-TEST_F(ScrollAnimatorTest, CurveMathQuadratic)

- curveTest(ScrollAnimator::Quadratic);

-TEST_F(ScrollAnimatorTest, CurveMathCubic)

- curveTest(ScrollAnimator::Cubic);

-TEST_F(ScrollAnimatorTest, CurveMathQuartic)

- curveTest(ScrollAnimator::Quartic);

-TEST_F(ScrollAnimatorTest, CurveMathBounce)

- curveTest(ScrollAnimator::Bounce);

-TEST_F(ScrollAnimatorTest, CurveMathCoast)

- for (double t = .25; t < 1; t += .25) {

- EXPECT_EQ(t, coastCurve(ScrollAnimator::Linear, t));

- EXPECT_LT(t, coastCurve(ScrollAnimator::Quadratic, t));

- EXPECT_LT(t, coastCurve(ScrollAnimator::Cubic, t));

- EXPECT_LT(coastCurve(ScrollAnimator::Quadratic, t), coastCurve(ScrollAnimator::Cubic, t));

- EXPECT_LT(t, coastCurve(ScrollAnimator::Quartic, t));

- EXPECT_LT(coastCurve(ScrollAnimator::Cubic, t), coastCurve(ScrollAnimator::Quartic, t));

- }

-TEST_F(ScrollAnimatorTest, ScrollOnceLinear)

- ScrollAnimator::Parameters parameters(true, 7 * kTickTime, 0, ScrollAnimator::Linear, 3 * kTickTime, ScrollAnimator::Linear, 3 * kTickTime, ScrollAnimator::Linear, 0);

- EXPECT_TRUE(updateDataFromParameters(1, 40, 1000, kStartTime, &parameters));

- bool result = true;

- for (double t = kStartTime; result && t < kEndTime; t += kAnimationTime)

- result = animateScroll(t);

-TEST_F(ScrollAnimatorTest, ScrollOnceQuadratic)

- ScrollAnimator::Parameters parameters(true, 7 * kTickTime, 0, ScrollAnimator::Quadratic, 3 * kTickTime, ScrollAnimator::Quadratic, 3 * kTickTime, ScrollAnimator::Linear, 0);

- EXPECT_TRUE(updateDataFromParameters(1, 40, 1000, kStartTime, &parameters));

- bool result = true;

- for (double t = kStartTime; result && t < kEndTime; t += kAnimationTime)

- result = animateScroll(t);

-TEST_F(ScrollAnimatorTest, ScrollLongQuadratic)

- ScrollAnimator::Parameters parameters(true, 20 * kTickTime, 0, ScrollAnimator::Quadratic, 3 * kTickTime, ScrollAnimator::Quadratic, 3 * kTickTime, ScrollAnimator::Linear, 0);

- EXPECT_TRUE(updateDataFromParameters(1, 40, 1000, kStartTime, &parameters));

- bool result = true;

- for (double t = kStartTime; result && t < kEndTime; t += kAnimationTime)

- result = animateScroll(t);

-TEST_F(ScrollAnimatorTest, ScrollQuadraticNoSustain)

- ScrollAnimator::Parameters parameters(true, 8 * kTickTime, 0, ScrollAnimator::Quadratic, 4 * kTickTime, ScrollAnimator::Quadratic, 4 * kTickTime, ScrollAnimator::Linear, 0);

- EXPECT_TRUE(updateDataFromParameters(1, 40, 1000, kStartTime, &parameters));

- bool result = true;

- for (double t = kStartTime; result && t < kEndTime; t += kAnimationTime)

- result = animateScroll(t);

-TEST_F(ScrollAnimatorTest, ScrollQuadraticSmoothed)

- ScrollAnimator::Parameters parameters(true, 8 * kTickTime, 8 * kTickTime, ScrollAnimator::Quadratic, 4 * kTickTime, ScrollAnimator::Quadratic, 4 * kTickTime, ScrollAnimator::Linear, 0);

- EXPECT_TRUE(updateDataFromParameters(1, 40, 1000, kStartTime, &parameters));

- bool result = true;

- for (double t = kStartTime; result && t < kEndTime; t += kAnimationTime)

- result = animateScroll(t);

-TEST_F(ScrollAnimatorTest, ScrollOnceCubic)

- ScrollAnimator::Parameters parameters(true, 7 * kTickTime, 0, ScrollAnimator::Cubic, 3 * kTickTime, ScrollAnimator::Cubic, 3 * kTickTime, ScrollAnimator::Linear, 0);

- EXPECT_TRUE(updateDataFromParameters(1, 40, 1000, kStartTime, &parameters));

- bool result = true;

- for (double t = kStartTime; result && t < kEndTime; t += kAnimationTime)

- result = animateScroll(t);

-TEST_F(ScrollAnimatorTest, ScrollOnceQuartic)

- ScrollAnimator::Parameters parameters(true, 7 * kTickTime, 0, ScrollAnimator::Quartic, 3 * kTickTime, ScrollAnimator::Quartic, 3 * kTickTime, ScrollAnimator::Linear, 0);

- EXPECT_TRUE(updateDataFromParameters(1, 40, 1000, kStartTime, &parameters));

- bool result = true;

- for (double t = kStartTime; result && t < kEndTime; t += kAnimationTime)

- result = animateScroll(t);

-TEST_F(ScrollAnimatorTest, ScrollOnceShort)

- ScrollAnimator::Parameters parameters(true, 7 * kTickTime, 0, ScrollAnimator::Cubic, 3 * kTickTime, ScrollAnimator::Cubic, 3 * kTickTime, ScrollAnimator::Linear, 0);

- EXPECT_TRUE(updateDataFromParameters(1, 40, 1000, kStartTime, &parameters));

- bool result = true;

- for (double t = kStartTime; result && t < kEndTime; t += kTickTime)

- result = animateScroll(t);

-TEST_F(ScrollAnimatorTest, ScrollTwiceQuadratic)

- ScrollAnimator::Parameters parameters(true, 7 * kTickTime, 0, ScrollAnimator::Quadratic, 3 * kTickTime, ScrollAnimator::Quadratic, 3 * kTickTime, ScrollAnimator::Linear, 0);

- EXPECT_TRUE(updateDataFromParameters(1, 40, 1000, kStartTime, &parameters));

- bool result = true;

- double t;

- for (t = kStartTime; result && t < kStartTime + 1.5 * kTickTime; t += kAnimationTime)

- result = animateScroll(t);

- result = result && animateScroll(t);

- double before = m_currentPosition;

- result = result && updateDataFromParameters(1, 40, 1000, t, &parameters);

- result = result && animateScroll(t);

- double after = m_currentPosition;

- EXPECT_NEAR(before, after, 10);

- t += kAnimationTime;

- result = result && animateScroll(t);

- before = m_currentPosition;

- result = result && updateDataFromParameters(1, 40, 1000, t, &parameters);

- result = result && animateScroll(t);

- after = m_currentPosition;

- EXPECT_NEAR(before, after, 10);

- t += kAnimationTime;

- for (; result && t < kEndTime; t += kAnimationTime)

- result = animateScroll(t);

-TEST_F(ScrollAnimatorTest, ScrollLotsQuadratic)

- ScrollAnimator::Parameters parameters(true, 7 * kTickTime, 0, ScrollAnimator::Quadratic, 3 * kTickTime, ScrollAnimator::Quadratic, 3 * kTickTime, ScrollAnimator::Linear, 0);

- EXPECT_TRUE(updateDataFromParameters(1, 40, 10000, kStartTime, &parameters));

- bool result = true;

- double t;

- for (t = kStartTime; result && t < kStartTime + 1.5 * kTickTime; t += kAnimationTime)

- result = animateScroll(t);

- for (int i = 0; i < 20; ++i) {

- t += kAnimationTime;

- result = result && animateScroll(t);

- result = result && updateDataFromParameters(3, 40, 10000, t, &parameters);

- }

- t += kAnimationTime;

- for (; result && t < kEndTime; t += kAnimationTime)

- result = result && animateScroll(t);

-TEST_F(ScrollAnimatorTest, ScrollLotsQuadraticSmoothed)

- ScrollAnimator::Parameters parameters(true, 10 * kTickTime, 6 * kTickTime, ScrollAnimator::Quadratic, 3 * kTickTime, ScrollAnimator::Quadratic, 3 * kTickTime, ScrollAnimator::Linear, 0);

- EXPECT_TRUE(updateDataFromParameters(1, 40, 10000, kStartTime, &parameters));

- bool result = true;

- double t;

- for (t = kStartTime; result && t < kStartTime + 1.5 * kTickTime; t += kAnimationTime)

- result = animateScroll(t);

- for (int i = 0; i < 20; ++i) {

- t += kAnimationTime;

- result = result && animateScroll(t);

- result = result && updateDataFromParameters(3, 40, 10000, t, &parameters);

- }

- t += kAnimationTime;

- for (; result && t < kEndTime; t += kAnimationTime)

- result = result && animateScroll(t);

-TEST_F(ScrollAnimatorTest, ScrollTwiceCubic)

- ScrollAnimator::Parameters parameters(true, 7 * kTickTime, 0, ScrollAnimator::Cubic, 3 * kTickTime, ScrollAnimator::Cubic, 3 * kTickTime, ScrollAnimator::Linear, 0);

- EXPECT_TRUE(updateDataFromParameters(1, 40, 1000, kStartTime, &parameters));

- bool result = true;

- double t;

- for (t = kStartTime; result && t < kStartTime + 1.5 * kTickTime; t += kAnimationTime)

- result = animateScroll(t);

- result = result && animateScroll(t);

- double before = m_currentPosition;

- result = result && updateDataFromParameters(1, 40, 1000, t, &parameters);

- result = result && animateScroll(t);

- double after = m_currentPosition;

- EXPECT_NEAR(before, after, 10);

- t += kAnimationTime;

- result = result && animateScroll(t);

- before = m_currentPosition;

- result = result && updateDataFromParameters(1, 40, 1000, t, &parameters);

- result = result && animateScroll(t);

- after = m_currentPosition;

- EXPECT_NEAR(before, after, 10);

- t += kAnimationTime;

- for (; result && t < kEndTime; t += kAnimationTime)

- result = animateScroll(t);

-TEST_F(ScrollAnimatorTest, ScrollLotsCubic)

- ScrollAnimator::Parameters parameters(true, 7 * kTickTime, 0, ScrollAnimator::Cubic, 3 * kTickTime, ScrollAnimator::Cubic, 3 * kTickTime, ScrollAnimator::Linear, 0);

- EXPECT_TRUE(updateDataFromParameters(1, 40, 10000, kStartTime, &parameters));

- bool result = true;

- double t;

- for (t = kStartTime; result && t < kStartTime + 1.5 * kTickTime; t += kAnimationTime)

- result = animateScroll(t);

- for (int i = 0; i < 20; ++i) {

- t += kAnimationTime;

- result = result && animateScroll(t);

- result = result && updateDataFromParameters(3, 40, 10000, t, &parameters);

- }

- t += kAnimationTime;

- for (; result && t < kEndTime; t += kAnimationTime)

- result = result && animateScroll(t);

-TEST_F(ScrollAnimatorTest, ScrollLotsCubicSmoothed)

- ScrollAnimator::Parameters parameters(true, 10 * kTickTime, 6 * kTickTime, ScrollAnimator::Cubic, 3 * kTickTime, ScrollAnimator::Cubic, 3 * kTickTime, ScrollAnimator::Linear, 0);

- EXPECT_TRUE(updateDataFromParameters(1, 40, 10000, kStartTime, &parameters));

- bool result = true;

- double t;

- for (t = kStartTime; result && t < kStartTime + 1.5 * kTickTime; t += kAnimationTime)

- result = animateScroll(t);

- for (int i = 0; i < 20; ++i) {

- t += kAnimationTime;

- result = result && animateScroll(t);

- result = result && updateDataFromParameters(3, 40, 10000, t, &parameters);

- }

- t += kAnimationTime;

- for (; result && t < kEndTime; t += kAnimationTime)

- result = result && animateScroll(t);

-TEST_F(ScrollAnimatorTest, ScrollWheelTrace)

- ScrollAnimator::Parameters parameters(true, 11 * kTickTime, 0, ScrollAnimator::Cubic, 3 * kTickTime, ScrollAnimator::Cubic, 3 * kTickTime, ScrollAnimator::Linear, 0);

- // Constructed from an actual scroll wheel trace that exhibited a glitch.

- bool result = updateDataFromParameters(1, 53.33f, 1000, 100.5781f, &parameters);

- result = animateScroll(100.5933);

- result = result && animateScroll(100.6085);

- result = result && updateDataFromParameters(1, 53.33f, 1000, 100.6485f, &parameters);

- result = result && animateScroll(100.6515);

- result = result && animateScroll(100.6853);

- result = result && updateDataFromParameters(1, 53.33f, 1000, 100.6863f, &parameters);

- result = result && animateScroll(100.7005);

- result = result && animateScroll(100.7157);

- result = result && animateScroll(100.7312);

- result = result && updateDataFromParameters(1, 53.33f, 1000, 100.7379f, &parameters);

- result = result && animateScroll(100.7464);

- result = result && animateScroll(100.7617);

- result = result && animateScroll(100.7775);

- result = result && updateDataFromParameters(1, 53.33f, 1000, 100.7779f, &parameters);

- for (double t = 100.7928; result && t < 200; t += 0.015)

- result = result && animateScroll(t);

-TEST_F(ScrollAnimatorTest, ScrollWheelTraceSmoothed)

- ScrollAnimator::Parameters parameters(true, 11 * kTickTime, 7 * kTickTime, ScrollAnimator::Cubic, 3 * kTickTime, ScrollAnimator::Cubic, 3 * kTickTime, ScrollAnimator::Linear, 0);

- // Constructed from an actual scroll wheel trace that exhibited a glitch.

- bool result = updateDataFromParameters(1, 53.33f, 1000, 100.5781f, &parameters);

- result = animateScroll(100.5933);

- result = result && animateScroll(100.6085);

- result = result && updateDataFromParameters(1, 53.33f, 1000, 100.6485f, &parameters);

- result = result && animateScroll(100.6515);

- result = result && animateScroll(100.6853);

- result = result && updateDataFromParameters(1, 53.33f, 1000, 100.6863f, &parameters);

- result = result && animateScroll(100.7005);

- result = result && animateScroll(100.7157);

- result = result && animateScroll(100.7312);

- result = result && updateDataFromParameters(1, 53.33f, 1000, 100.7379f, &parameters);

- result = result && animateScroll(100.7464);

- result = result && animateScroll(100.7617);

- result = result && animateScroll(100.7775);

- result = result && updateDataFromParameters(1, 53.33f, 1000, 100.7779f, &parameters);

- for (double t = 100.7928; result && t < 200; t += 0.015)

- result = result && animateScroll(t);

-TEST_F(ScrollAnimatorTest, LinuxTrackPadTrace)

- ScrollAnimator::Parameters parameters(true, 11 * kTickTime, 0, ScrollAnimator::Cubic, 3 * kTickTime, ScrollAnimator::Cubic, 3 * kTickTime, ScrollAnimator::Linear, 0);

- bool result = updateDataFromParameters(1.00, 60.00, 1000, 100.6863, &parameters);

- result = result && updateDataFromParameters(1.00, 20.00, 1000, 100.6897, &parameters);

- result = result && updateDataFromParameters(1.00, 20.00, 1000, 100.7001, &parameters);

- result = result && animateScroll(100.7015);

- result = result && animateScroll(100.7169);

- result = result && updateDataFromParameters(1.00, 40.00, 1000, 100.7179, &parameters);

- result = result && animateScroll(100.7322);

- result = result && updateDataFromParameters(1.00, 20.00, 1000, 100.7332, &parameters);

- result = result && animateScroll(100.7491);

- result = result && updateDataFromParameters(1.00, 20.00, 1000, 100.7519, &parameters);

- result = result && animateScroll(100.7676);

- result = result && updateDataFromParameters(1.00, 20.00, 1000, 100.7698, &parameters);

- result = result && updateDataFromParameters(1.00, 20.00, 1000, 100.7830, &parameters);

- result = result && animateScroll(100.7834);

- result = result && animateScroll(100.7997);

- result = result && updateDataFromParameters(1.00, 20.00, 1000, 100.8019, &parameters);

- result = result && animateScroll(100.8154);

- result = result && updateDataFromParameters(1.00, 20.00, 1000, 100.8241, &parameters);

- result = result && animateScroll(100.8335);

- result = result && updateDataFromParameters(1.00, 20.00, 1000, 100.8465, &parameters);

- result = result && animateScroll(100.8513);

- result = result && updateDataFromParameters(1.00, 20.00, 1000, 100.8623, &parameters);

- for (double t = 100.8674; result && t < 200; t += 0.015)

- result = result && animateScroll(t);

-TEST_F(ScrollAnimatorTest, LinuxTrackPadTraceSmoothed)

- ScrollAnimator::Parameters parameters(true, 11 * kTickTime, 7 * kTickTime, ScrollAnimator::Cubic, 3 * kTickTime, ScrollAnimator::Cubic, 3 * kTickTime, ScrollAnimator::Linear, 0);

- bool result = updateDataFromParameters(1.00, 60.00, 1000, 100.6863, &parameters);

- result = result && updateDataFromParameters(1.00, 20.00, 1000, 100.6897, &parameters);

- result = result && updateDataFromParameters(1.00, 20.00, 1000, 100.7001, &parameters);

- result = result && animateScroll(100.7015);

- result = result && animateScroll(100.7169);

- result = result && updateDataFromParameters(1.00, 40.00, 1000, 100.7179, &parameters);

- result = result && animateScroll(100.7322);

- result = result && updateDataFromParameters(1.00, 20.00, 1000, 100.7332, &parameters);

- result = result && animateScroll(100.7491);

- result = result && updateDataFromParameters(1.00, 20.00, 1000, 100.7519, &parameters);

- result = result && animateScroll(100.7676);

- result = result && updateDataFromParameters(1.00, 20.00, 1000, 100.7698, &parameters);

- result = result && updateDataFromParameters(1.00, 20.00, 1000, 100.7830, &parameters);

- result = result && animateScroll(100.7834);

- result = result && animateScroll(100.7997);

- result = result && updateDataFromParameters(1.00, 20.00, 1000, 100.8019, &parameters);

- result = result && animateScroll(100.8154);

- result = result && updateDataFromParameters(1.00, 20.00, 1000, 100.8241, &parameters);

- result = result && animateScroll(100.8335);

- result = result && updateDataFromParameters(1.00, 20.00, 1000, 100.8465, &parameters);

- result = result && animateScroll(100.8513);

- result = result && updateDataFromParameters(1.00, 20.00, 1000, 100.8623, &parameters);

- for (double t = 100.8674; result && t < 200; t += 0.015)

- result = result && animateScroll(t);

-TEST_F(ScrollAnimatorTest, ScrollRightToBumperRTL)

- // Tests that scrolling works for a negative scroll bound. This is the case

- // for RTL pages where the scroll position is always negative.

- m_currentPosition = 0;

- ScrollAnimator::Parameters parameters(true, 10 * kTickTime, 7 * kTickTime, ScrollAnimator::Cubic, 3 * kTickTime, ScrollAnimator::Cubic, 3 * kTickTime, ScrollAnimator::Linear, 0);

- EXPECT_TRUE(updateDataFromParameters(1, -20, -200, 0, kStartTime, &parameters));

- bool result = true;

- double t = kStartTime;

- for (int i = 0; i < 10; ++i) {

- t += kAnimationTime;

- result = result && animateScroll(t);

- updateDataFromParameters(1, -20, -200, 0, t, &parameters);

- }

- checkDesiredPosition(-200);

- t += kAnimationTime;

- for (; result && t < kEndTime; t += kAnimationTime)

- result = result && animateScroll(t);

- checkSoftLanding(-200);

-TEST_F(ScrollAnimatorTest, ScrollDownToBumper)

- ScrollAnimator::Parameters parameters(true, 10 * kTickTime, 7 * kTickTime, ScrollAnimator::Cubic, 3 * kTickTime, ScrollAnimator::Cubic, 3 * kTickTime, ScrollAnimator::Linear, 0);

- EXPECT_TRUE(updateDataFromParameters(1, 20, 200, kStartTime, &parameters));

- bool result = true;

- double t = kStartTime;

- for (int i = 0; i < 10; ++i) {

- t += kAnimationTime;

- result = result && animateScroll(t);

- updateDataFromParameters(1, 20, 200, t, &parameters);

- }

- checkDesiredPosition(200);

- t += kAnimationTime;

- for (; result && t < kEndTime; t += kAnimationTime)

- result = result && animateScroll(t);

- checkSoftLanding(200);

-TEST_F(ScrollAnimatorTest, ScrollUpToBumper)

- ScrollAnimator::Parameters parameters(true, 10 * kTickTime, 7 * kTickTime, ScrollAnimator::Cubic, 3 * kTickTime, ScrollAnimator::Cubic, 3 * kTickTime, ScrollAnimator::Linear, 0);

- EXPECT_TRUE(updateDataFromParameters(1, -20, 200, kStartTime, &parameters));

- bool result = true;

- double t = kStartTime;

- for (int i = 0; i < 10; ++i) {

- t += kAnimationTime;

- result = result && animateScroll(t);

- updateDataFromParameters(1, -20, 200, t, &parameters);

- }

- checkDesiredPosition(0);

- t += kAnimationTime;

- for (; result && t < kEndTime; t += kAnimationTime)

- result = result && animateScroll(t);

- checkSoftLanding(0);

-TEST_F(ScrollAnimatorTest, ScrollUpToBumperCoast)

- ScrollAnimator::Parameters parameters(true, 11 * kTickTime, 2 * kTickTime, ScrollAnimator::Cubic, 3 * kTickTime, ScrollAnimator::Cubic, 3 * kTickTime, ScrollAnimator::Linear, 1);

- m_currentPosition = 40000;

- EXPECT_TRUE(updateDataFromParameters(1, -10000, 50000, kStartTime, &parameters));

- bool result = true;

- double t = kStartTime;

- for (int i = 0; i < 10; ++i) {

- t += kAnimationTime;

- result = result && animateScroll(t);

- updateDataFromParameters(1, -10000, 50000, t, &parameters);

- }

- checkDesiredPosition(0);

- t += kAnimationTime;

- for (; result && t < kEndTime; t += kAnimationTime)

- result = result && animateScroll(t);

- checkSoftLanding(0);

-TEST_F(ScrollAnimatorTest, ScrollDownToBumperCoast)

- ScrollAnimator::Parameters parameters(true, 11 * kTickTime, 2 * kTickTime, ScrollAnimator::Cubic, 3 * kTickTime, ScrollAnimator::Cubic, 3 * kTickTime, ScrollAnimator::Linear, 1);

- m_currentPosition = 10000;

- EXPECT_TRUE(updateDataFromParameters(1, 10000, 50000, kStartTime, &parameters));

- bool result = true;

- double t = kStartTime;

- for (int i = 0; i < 10; ++i) {

- t += kAnimationTime;

- result = result && animateScroll(t);

- updateDataFromParameters(1, 10000, 50000, t, &parameters);

- }

- checkDesiredPosition(50000);

- t += kAnimationTime;

- for (; result && t < kEndTime; t += kAnimationTime)

- result = result && animateScroll(t);

- checkSoftLanding(50000);

-TEST_F(ScrollAnimatorTest, VaryingInputsEquivalency)

- ScrollAnimator::Parameters parameters(true, 15 * kTickTime, 10 * kTickTime, ScrollAnimator::Cubic, 5 * kTickTime, ScrollAnimator::Cubic, 5 * kTickTime, ScrollAnimator::Linear, 0);

- reset();

- EXPECT_TRUE(updateDataFromParameters(1, 300, 50000, kStartTime, &parameters));

- SavePerAxisData dataSingle(*m_data);

- reset();

- EXPECT_TRUE(updateDataFromParameters(1, 150, 50000, kStartTime, &parameters));

- SavePerAxisData dataDouble(*m_data);

- reset();

- EXPECT_TRUE(updateDataFromParameters(1, 100, 50000, kStartTime, &parameters));

- SavePerAxisData dataTriple(*m_data);

- reset();

- EXPECT_TRUE(updateDataFromParameters(1, 50, 50000, kStartTime, &parameters));

- SavePerAxisData dataMany(*m_data);

- EXPECT_EQ(dataSingle, dataDouble);

- EXPECT_EQ(dataSingle, dataTriple);

- EXPECT_EQ(dataSingle, dataMany);

-TEST_F(ScrollAnimatorTest, VaryingInputsEquivalencyCoast)

- ScrollAnimator::Parameters parameters(true, 15 * kTickTime, 10 * kTickTime, ScrollAnimator::Cubic, 5 * kTickTime, ScrollAnimator::Cubic, 5 * kTickTime, ScrollAnimator::Linear, 1);

- reset();

- updateDataFromParameters(1, 300, 50000, kStartTime, &parameters);

- SavePerAxisData dataSingle(*m_data);

- reset();

- updateDataFromParameters(1, 150, 50000, kStartTime, &parameters);

- SavePerAxisData dataDouble(*m_data);

- reset();

- updateDataFromParameters(1, 100, 50000, kStartTime, &parameters);

- SavePerAxisData dataTriple(*m_data);

- reset();

- updateDataFromParameters(1, 50, 50000, kStartTime, &parameters);

- SavePerAxisData dataMany(*m_data);

- EXPECT_EQ(dataSingle, dataDouble);

- EXPECT_EQ(dataSingle, dataTriple);

- EXPECT_EQ(dataSingle, dataMany);

-TEST_F(ScrollAnimatorTest, VaryingInputsEquivalencyCoastLarge)

- ScrollAnimator::Parameters parameters(true, 15 * kTickTime, 10 * kTickTime, ScrollAnimator::Cubic, 5 * kTickTime, ScrollAnimator::Cubic, 5 * kTickTime, ScrollAnimator::Linear, 1);

- reset();

- EXPECT_TRUE(updateDataFromParameters(1, 30000, 50000, kStartTime, &parameters));

- SavePerAxisData dataSingle(*m_data);

- reset();

- EXPECT_TRUE(updateDataFromParameters(1, 15000, 50000, kStartTime, &parameters));

- SavePerAxisData dataDouble(*m_data);

- reset();

- EXPECT_TRUE(updateDataFromParameters(1, 10000, 50000, kStartTime, &parameters));

- SavePerAxisData dataTriple(*m_data);

- reset();

- EXPECT_TRUE(updateDataFromParameters(1, 5000, 50000, kStartTime, &parameters));

- SavePerAxisData dataMany(*m_data);

- EXPECT_EQ(dataSingle, dataDouble);

- EXPECT_EQ(dataSingle, dataTriple);

- EXPECT_EQ(dataSingle, dataMany);

-TEST_F(ScrollAnimatorTest, VaryingInputsEquivalencyCoastSteep)

- ScrollAnimator::Parameters parameters(true, 15 * kTickTime, 10 * kTickTime, ScrollAnimator::Cubic, 5 * kTickTime, ScrollAnimator::Cubic, 5 * kTickTime, ScrollAnimator::Quadratic, 1);

- reset();

- EXPECT_TRUE(updateDataFromParameters(1, 30000, 50000, kStartTime, &parameters));

- SavePerAxisData dataSingle(*m_data);

- reset();

- EXPECT_TRUE(updateDataFromParameters(1, 15000, 50000, kStartTime, &parameters));

- SavePerAxisData dataDouble(*m_data);

- reset();

- EXPECT_TRUE(updateDataFromParameters(1, 10000, 50000, kStartTime, &parameters));

- SavePerAxisData dataTriple(*m_data);

- reset();

- EXPECT_TRUE(updateDataFromParameters(1, 5000, 50000, kStartTime, &parameters));

- SavePerAxisData dataMany(*m_data);

- EXPECT_EQ(dataSingle, dataDouble);

- EXPECT_EQ(dataSingle, dataTriple);

- EXPECT_EQ(dataSingle, dataMany);

-TEST_F(ScrollAnimatorTest, ScrollStopInMiddle)

- ScrollAnimator::Parameters parameters(true, 7 * kTickTime, 0, ScrollAnimator::Cubic, 3 * kTickTime, ScrollAnimator::Cubic, 3 * kTickTime, ScrollAnimator::Linear, 0);

- EXPECT_TRUE(updateDataFromParameters(1, 40, 1000, kStartTime, &parameters));

- bool result = true;

- double t;

- for (t = kStartTime; result && t < kStartTime + 1.5 * kTickTime; t += kAnimationTime)

- result = animateScroll(t);

- result = result && animateScroll(t);

- EXPECT_TRUE(result);

- double before = m_currentPosition;

- result = result && updateDataFromParameters(0, 0, 1000, t, &parameters);

- EXPECT_FALSE(result);

- result = result && animateScroll(t);

- double after = m_currentPosition;

- EXPECT_EQ(before, after);

- checkDesiredPosition(after);

-TEST_F(ScrollAnimatorTest, ReverseInMiddle)

- ScrollAnimator::Parameters parameters(true, 7 * kTickTime, 0, ScrollAnimator::Cubic, 3 * kTickTime, ScrollAnimator::Cubic, 3 * kTickTime, ScrollAnimator::Linear, 0);

- EXPECT_TRUE(updateDataFromParameters(1, 40, 1000, kStartTime, &parameters));

- bool result = true;

- double t;

- for (t = kStartTime; result && t < kStartTime + 1.5 * kTickTime; t += kAnimationTime)

- result = animateScroll(t);

- result = result && animateScroll(t);

- EXPECT_TRUE(result);

- double before = m_currentPosition;

- result = result && updateDataFromParameters(1, -10, 1000, t, &parameters);

- EXPECT_TRUE(result);

- result = result && animateScroll(t);

- double after = m_currentPosition;

- EXPECT_GE(before, after);

- t += kAnimationTime;

- for (; result && t < kEndTime; t += kAnimationTime)

- result = result && animateScroll(t);

- EXPECT_GE(before, m_currentPosition);

-} // namespace blink

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