| // 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. |
| |
| // Tests for the TouchFlingGestureCurve. |
| |
| #include "webkit/child/touch_fling_gesture_curve.h" |
| |
| #include "base/memory/scoped_ptr.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| #include "third_party/WebKit/public/platform/WebFloatPoint.h" |
| #include "third_party/WebKit/public/platform/WebFloatSize.h" |
| #include "third_party/WebKit/public/platform/WebGestureCurve.h" |
| #include "third_party/WebKit/public/platform/WebGestureCurveTarget.h" |
| #include "third_party/WebKit/public/platform/WebSize.h" |
| |
| using blink::WebFloatPoint; |
| using blink::WebFloatSize; |
| using blink::WebGestureCurve; |
| using blink::WebGestureCurveTarget; |
| using blink::WebSize; |
| |
| namespace { |
| |
| class MockGestureCurveTarget : public WebGestureCurveTarget { |
| public: |
| virtual void scrollBy(const WebFloatSize& delta) { |
| cumulative_delta_.width += delta.width; |
| cumulative_delta_.height += delta.height; |
| } |
| |
| virtual void notifyCurrentFlingVelocity(const WebFloatSize& velocity) { |
| current_velocity_ = velocity; |
| } |
| |
| WebFloatSize cumulative_delta() const { return cumulative_delta_; } |
| void resetCumulativeDelta() { cumulative_delta_ = WebFloatSize(); } |
| |
| WebFloatSize current_velocity() const { return current_velocity_; } |
| |
| private: |
| WebFloatSize cumulative_delta_; |
| WebFloatSize current_velocity_; |
| }; |
| |
| } // namespace anonymous |
| |
| TEST(TouchFlingGestureCurve, flingCurveTouch) |
| { |
| double initialVelocity = 5000; |
| MockGestureCurveTarget target; |
| |
| scoped_ptr<WebGestureCurve> curve(webkit_glue::TouchFlingGestureCurve::Create( |
| WebFloatPoint(initialVelocity, 0), |
| -5.70762e+03f, 1.72e+02f, 3.7e+00f, WebSize())); |
| |
| // Note: the expectations below are dependent on the curve parameters hard |
| // coded into the create call above. |
| EXPECT_TRUE(curve->apply(0, &target)); |
| EXPECT_TRUE(curve->apply(0.25, &target)); |
| EXPECT_NEAR(target.current_velocity().width, 1878, 1); |
| EXPECT_EQ(target.current_velocity().height, 0); |
| EXPECT_TRUE(curve->apply(0.45f, &target)); // Use non-uniform tick spacing. |
| EXPECT_TRUE(curve->apply(1, &target)); |
| EXPECT_FALSE(curve->apply(1.5, &target)); |
| EXPECT_NEAR(target.cumulative_delta().width, 1193, 1); |
| EXPECT_EQ(target.cumulative_delta().height, 0); |
| EXPECT_EQ(target.current_velocity().width, 0); |
| EXPECT_EQ(target.current_velocity().height, 0); |
| } |
| |