LayoutTests/fast/events/touch/multi-touch-partial-sequence.html - Issue 259413003: Correctly handle touch events that contain touches not previously reported to blink

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Issue 259413003: Correctly handle touch events that contain touches not previously reported to blink (Closed) Base URL: svn://svn.chromium.org/blink/trunk

Patch Set: rjkroege cr Created 6 years, 7 months ago

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	1 <!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN">

	2 <html>

	3 <head>

	4 <script src="../../../resources/js-test.js"></script>

	5 </head>

	6 <body>

	7 <p id="description"></p>

	8 <div id="target" style="padding: 10px; background-color: blue;"></div>

	9 <div id="console"></div>

	10 <script>

	11 description("Tests that events are received properly even when we never saw the touchstart for the first finger (eg. was skipped by cc touch hit testing) - crbu g.com/363321");

	12

	13 var event;

	14 var expectingStart = false;

	15 var expectingEnd = false;

	16

	17 var target = document.getElementById('target');

	18 var rect = target.getBoundingClientRect();

	19 var targetX = rect.left + rect.width / 2;

	20 var targetY = rect.top + rect.height / 2;

	21

	22 window.addEventListener('touchstart', function(e) {

	23 if (!expectingStart) {

	24 testFailed('Got unexpected touchstart event');

	25 return;

	26 }

	27 expectingStart = false;

	28 event = e;

	29

	30 shouldBe('event.target', 'target');

	31

	32 // Touch ID 0 is the one we never got a touchstart for, so it should

	33 // be targetted at the document.

	34 shouldBe('event.touches.length', '2');

	35 shouldBe('event.touches[0].identifier', '0');

	36 shouldBe('event.touches[0].pageX', '12');

	37 shouldBe('event.touches[0].pageY', '0');

	38 shouldBe('event.touches[0].target', 'document');

	39

	40 // Touch ID 1 should be the new touch.

	41 shouldBe('event.touches[1].identifier', '1');

	42 shouldBe('event.touches[1].pageX', 'targetX');

	43 shouldBe('event.touches[1].pageY', 'targetY');

	44 shouldBe('event.touches[1].target', 'target');

	45

	46 shouldBe('event.changedTouches.length', '1');

	47 shouldBe('event.changedTouches[0].identifier', '1');

	48

	49 shouldBe('event.targetTouches.length', '1');

	50 shouldBe('event.targetTouches[0].identifier', '1');

	51 });

	52

	53 window.addEventListener('touchmove', function(e) {

	54 testFailed('Got unexpected touchmove event');

	55 });

	56

	57 window.addEventListener('touchend', function(e) {

	58 if (!expectingEnd) {

	59 testFailed('Got unexpected touchstart event');

	60 return;

	61 }

	62 expectingEnd = false;

	63 event = e;

	64

	65 shouldBe('event.target', 'target');

	66

	67 shouldBe('event.touches.length', '0');

	68

	69 shouldBe('event.changedTouches.length', '1');

	70 shouldBe('event.changedTouches[0].identifier', '1');

	71 shouldBe('event.changedTouches[0].pageX', 'targetX');

	72 shouldBe('event.changedTouches[0].pageY', 'targetY');

	73 shouldBe('event.changedTouches[0].target', 'target');

	74

	75 shouldBe('event.targetTouches.length', '0');

	76 });

	77

	78 if (document.elementFromPoint(targetX, targetY) != target) {

	79 testFailed('Failed to hit expected target at ' + targetX + ',' + targetY);

	80 } else if (!window.eventSender) {

	81 testFailed('This test requires eventSender');

	82 } else {

	83 eventSender.clearTouchPoints();

	84

	85 // First touch point is outside our target, but we never actually

	86 // get a touchstart event sent to the renderer for it.

	87 eventSender.addTouchPoint(10, 0);

	88 eventSender.updateTouchPoint(0, 12, 0);

	89

	90 // Second point is on our target and we expect touchstart

	91 eventSender.addTouchPoint(targetX, targetY);

	92 debug('Sending touchstart event.');

	93 expectingStart = true;

	94 eventSender.touchStart();

	95 if (expectingStart)

	96 testFailed("Didn't receive expected touchstart event");

	97 debug('');

	98

	99 // Make sure we don't get any events (or crash) if we receive a move or

	100 // end for just the first touch point.

	101 debug('Sending touchmove and touchend for unrelated touch point.');

	102 eventSender.updateTouchPoint(0, 13, 0);

	103 eventSender.touchMove();

	104 eventSender.releaseTouchPoint(0);

	105 eventSender.touchEnd();

	106 debug('');

	107

	108 // If the 2nd touch point lifts, we get an event showing just that change.

	109 debug('Sending touchend.');

	110 eventSender.releaseTouchPoint(0);

	111 expectingEnd = true;

	112 eventSender.touchEnd();

	113 if (expectingEnd)

	114 testFailed("Didn't receive expected touchend event");

	115 debug('');

	116 }

	117 </script>

	118 </body>

	119 </html>

	120

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