mozilla-central/testing/web-platform/tests/pointerevents/pointerevent_pointercancel_touch.html

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Test Info: Warnings

<!doctype html>
<html>
<head>
<title>PointerCancel - touch</title>
<meta name="viewport" content="width=device-width">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/testdriver.js"></script>
<script src="/resources/testdriver-actions.js"></script>
<script src="/resources/testdriver-vendor.js"></script>
<link rel="stylesheet" type="text/css" href="pointerevent_styles.css">
<!-- Additional helper script for common checks across event types -->
<script type="text/javascript" src="pointerevent_support.js"></script>
</head>
<body class="scrollable" onload="run()">
<h1>pointercancel test</h1>
<h3>Warning: this test works properly only for devices that have touchscreen</h3>
<h4>
Test Description: This test checks if pointercancel event triggers.
<p>Start touch over the black rectangle and then move your finger to scroll the page.</p>
</h4>
<p>
<div id="target0" style="background: black"></div>
<script>
var detected_pointertypes = {};
var test_pointerEvent = async_test("pointercancel event received");
// showPointerTypes is defined in pointerevent_support.js
// Requirements: the callback function will reference the test_pointerEvent object and
// will fail unless the async_test is created with the var name "test_pointerEvent".
add_completion_callback(showPointerTypes);
var pointerdown_event = null;
var pointercancel_event = null;
function run() {
var target0 = document.getElementById("target0");
var actions_promise;
on_event(target0, "pointerdown", function (event) {
pointerdown_event = event;
detected_pointertypes[event.pointerType] = true;
});
on_event(target0, "pointercancel", function (event) {
pointercancel_event = event;
test_pointerEvent.step(function () {
assert_not_equals(pointerdown_event, null, "pointerdown was received: ");
const properties = [
"pointerId", "width", "height",
"pressure", "tangentialPressure", "tiltX", "tiltY",
"twist", "altitudeAngle", "azimuthAngle",
"pointerType", "isPrimary"
];
for (let property in properties) {
assert_equals(event[property],
pointerdown_event[property],
property + " should be the same for pointerdown and pointercancel");
}
});
test_pointerEvent.step(function () {
check_PointerEvent(event);
});
test_pointerEvent.step(function () {
assert_equals(event.x, 0, "pointercancel.x must be zero");
assert_equals(event.y, 0, "pointercancel.x must be zero");
assert_equals(event.clientX, 0, "pointercancel.clientX must be zero");
assert_equals(event.clientY, 0, "pointercancel.clientY must be zero");
});
});
on_event(target0, "pointerout", function (event) {
test_pointerEvent.step(function () {
assert_not_equals(pointercancel_event, null, "pointercancel was received before pointerout: ");
assert_equals(event.pointerId, pointerdown_event.pointerId, "pointerId should be the same for pointerout and pointercancel");
assert_equals(event.pointerType, pointerdown_event.pointerType, "pointerType should be the same for pointerout and pointercancel");
assert_equals(event.isPrimary, pointerdown_event.isPrimary, "isPrimary should be the same for pointerout and pointercancel");
});
});
on_event(target0, "pointerleave", function (event) {
test_pointerEvent.step(function () {
assert_not_equals(pointercancel_event, null, "pointercancel was received before pointerleave: ");
assert_equals(event.pointerId, pointerdown_event.pointerId, "pointerId should be the same for pointerleave and pointercancel");
assert_equals(event.pointerType, pointerdown_event.pointerType, "pointerType should be the same for pointerleave and pointercancel");
assert_equals(event.isPrimary, pointerdown_event.isPrimary, "isPrimary should be the same for pointerleave and pointercancel");
});
// Make sure the test finishes after all the input actions are completed.
actions_promise.then( () => {
test_pointerEvent.done();
});
});
// Inject touch inputs.
actions_promise = touchScrollInTarget(target0, 'down');
}
</script>
<h1>Pointer Events pointercancel Tests</h1>
<div id="complete-notice">
<p>The following pointer types were detected: <span id="pointertype-log"></span>.</p>
</div>
<div id="log"></div>
</body>
</html>