move webkit/glue/touch_fling_* to webkit/child/

(pipelined on https://codereview.chromium.org/16424008/)

TBR=jamesr@chromium.org

BUG=237249

Review URL: https://codereview.chromium.org/16816003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@206202 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 71 insertions, 0 deletions

diff --git a/webkit/child/touch_fling_gesture_curve_unittest.cc b/webkit/child/touch_fling_gesture_curve_unittest.cc
new file mode 100644
index 0000000..5e4a90a
--- /dev/null
+++ b/webkit/child/touch_fling_gesture_curve_unittest.cc
@@ -0,0 +1,71 @@
+  // 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 WebKit::WebFloatPoint;
+using WebKit::WebFloatSize;
+using WebKit::WebGestureCurve;
+using WebKit::WebGestureCurveTarget;
+using WebKit::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);
+}
+