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Bug 1231228 - Gtest. r=kats

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Botond Ballo 2015-12-16 10:49:42 -05:00
parent 9df8275310
commit 080bb85c29
1 changed files with 37 additions and 0 deletions
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37
gfx/layers/apz/test/gtest/TestAsyncPanZoomController.cpp
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@ -2993,6 +2993,43 @@ TEST_F(APZOverscrollHandoffTester, StuckInOverscroll_Bug1073250) {
EXPECT_FALSE(rootApzc->IsOverscrolled());
}
// This is almost exactly like StuckInOverscroll_Bug1073250, except the
// APZC receiving the input events for the first touch block is the child
// (and thus not the same APZC that overscrolls, which is the parent).
TEST_F(APZOverscrollHandoffTester, StuckInOverscroll_Bug1231228) {
// Enable overscrolling.
SCOPED_GFX_PREF(APZOverscrollEnabled, bool, true);
CreateOverscrollHandoffLayerTree1();
TestAsyncPanZoomController* child = ApzcOf(layers[1]);
// Pan, causing the parent APZC to overscroll.
Pan(manager, mcc, 60, 90, true /* keep finger down */);
EXPECT_FALSE(child->IsOverscrolled());
EXPECT_TRUE(rootApzc->IsOverscrolled());
// Put a second finger down.
MultiTouchInput secondFingerDown(MultiTouchInput::MULTITOUCH_START, 0, TimeStamp(), 0);
// Use the same touch identifier for the first touch (0) as Pan(). (A bit hacky.)
secondFingerDown.mTouches.AppendElement(SingleTouchData(0, ScreenIntPoint(10, 40), ScreenSize(0, 0), 0, 0));
secondFingerDown.mTouches.AppendElement(SingleTouchData(1, ScreenIntPoint(30, 20), ScreenSize(0, 0), 0, 0));
manager->ReceiveInputEvent(secondFingerDown, nullptr, nullptr);
// Release the fingers.
MultiTouchInput fingersUp = secondFingerDown;
fingersUp.mType = MultiTouchInput::MULTITOUCH_END;
manager->ReceiveInputEvent(fingersUp, nullptr, nullptr);
// Allow any animations to run their course.
child->AdvanceAnimationsUntilEnd();
rootApzc->AdvanceAnimationsUntilEnd();
// Make sure nothing is overscrolled.
EXPECT_FALSE(child->IsOverscrolled());
EXPECT_FALSE(rootApzc->IsOverscrolled());
}
// Test that flinging in a direction where one component of the fling goes into
// overscroll but the other doesn't, results in just the one component being
// handed off to the parent, while the original APZC continues flinging in the