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#include "grail-fixture.h"
class Intermittent3TouchTest : public GrailTest
{
};
/*
Simulate the following situation:
The user lays 3 fingers over a touchscreen or trackpad
and the device momentarily (just for a couple of milliseconds)
loses contact with one of the fingers.
That will cause the touch for that finger to end and a new touch
to be created for that same finger.
Regression test for bug https://bugs.launchpad.net/grail/+bug/1023397
*/
TEST_F(Intermittent3TouchTest, Test)
{
UGStatus status;
fake_window_id = 321;
status = grail_new(&grail_handle);
ASSERT_EQ(UGStatusSuccess, status);
SendDeviceAddedEvent(time);
UGSubscription subscription =
CreateSubscription(3, UGGestureTypeTouch, fake_window_id);
if (!subscription) return;
time = 20531903;
BeginTouch(18 /*touch id*/);
time = 20531905;
GiveTouchOwnership(18);
time = 20531909;
BeginTouch(19);
time = 20531910;
GiveTouchOwnership(19);
time = 20531909;
BeginTouch(20);
time = 20531912;
GiveTouchOwnership(20);
ProcessGrailEvents();
/*
Expected outcome:
gesture(id=0, touches={18,19,20}) begins
*/
ASSERT_EQ(1, grail_gestures.size());
ASSERT_EQ(3, grail_gestures.front().touches.size());
time = 20531961;
EndTouch(18);
time = 20531967;
BeginTouch(21);
time = 20531969;
GiveTouchOwnership(21);
ProcessGrailEvents();
/*
Expected outcome:
gesture(id=0, touches={18,19,20}) ends
gesture(id=1, touches={19,20,21}) begins
Actual outcome for the bug found:
gesture(id=0, touches={18,19,20}) ends
gesture(id=1, touches={19,20,21}) begins
gesture(id=2, touches={19,20,21}) begins
*/
ASSERT_EQ(UGGestureStateEnd, GestureWithId(0)->state);
ASSERT_EQ(2, grail_gestures.size());
GrailGesture *gesture = GestureWithId(1);
ASSERT_EQ(3, gesture->touches.size());
ASSERT_TRUE(gesture->HasTouch(19));
ASSERT_TRUE(gesture->HasTouch(20));
ASSERT_TRUE(gesture->HasTouch(21));
grail_subscription_delete(subscription);
}
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