third_party/WebKit/LayoutTests/imported/wpt/dom/events/AddEventListenerOptions-passive.html - Issue 2086283003: Update web-platform-tests

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Issue 2086283003: Update web-platform-tests (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: Merge branch 'master' into wpt_import Created 4 years, 5 months ago

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	1 <!DOCTYPE HTML>

	2 <meta charset="utf-8">

	3 <title>EventListenerOptions.passive</title>

	4 <link rel="author" title="Rick Byers" href="mailto:rbyers@chromium.org">

	5 <link rel="help" href="https://dom.spec.whatwg.org/#dom-addeventlisteneroptions- passive">

	6 <script src="/resources/testharness.js"></script>

	7 <script src="/resources/testharnessreport.js"></script>

	8 <div id="log"></div>

	9

	10 <script>

	11

	12 test(function() {

	13 var supportsPassive = false;

	14 var query_options = {

	15 get passive() {

	16 supportsPassive = true;

	17 return false;

	18 },

	19 get dummy() {

	20 assert_unreached("dummy value getter invoked");

	21 return false;

	22 }

	23 };

	24

	25 document.addEventListener('test_event', null, query_options);

	26 assert_true(supportsPassive, "addEventListener doesn't support the passive opt ion");

	27

	28 supportsPassive = false;

	29 document.removeEventListener('test_event', null, query_options);

	30 assert_false(supportsPassive, "removeEventListener supports the passive option when it should not");

	31 }, "Supports passive option on addEventListener only");

	32

	33 function testPassiveValue(optionsValue, expectedDefaultPrevented) {

	34 var defaultPrevented = undefined;

	35 var handler = function handler(e) {

	36 assert_false(e.defaultPrevented, "Event prematurely marked defaultPrevented" );

	37 e.preventDefault();

	38 defaultPrevented = e.defaultPrevented;

	39 }

	40 document.addEventListener('test', handler, optionsValue);

	41 var uncanceled = document.body.dispatchEvent(new Event('test', {bubbles: true, cancelable: true}));

	42

	43 assert_equals(defaultPrevented, expectedDefaultPrevented, "Incorrect defaultPr evented for options: " + JSON.stringify(optionsValue));

	44 assert_equals(uncanceled, !expectedDefaultPrevented, "Incorrect return value f rom dispatchEvent");

	45

	46 document.removeEventListener('test', handler, optionsValue);

	47 }

	48

	49 test(function() {

	50 testPassiveValue(undefined, true);

	51 testPassiveValue({}, true);

	52 testPassiveValue({passive: false}, true);

	53 testPassiveValue({passive: true}, false);

	54 testPassiveValue({passive: 0}, true);

	55 testPassiveValue({passive: 1}, false);

	56 }, "preventDefault should be ignored if-and-only-if the passive option is true") ;

	57

	58 function testPassiveWithOtherHandlers(optionsValue, expectedDefaultPrevented) {

	59 var handlerInvoked1 = false;

	60 var dummyHandler1 = function() {

	61 handlerInvoked1 = true;

	62 };

	63 var handlerInvoked2 = false;

	64 var dummyHandler2 = function() {

	65 handlerInvoked2 = true;

	66 };

	67

	68 document.addEventListener('test', dummyHandler1, {passive:true});

	69 document.addEventListener('test', dummyHandler2);

	70

	71 testPassiveValue(optionsValue, expectedDefaultPrevented);

	72

	73 assert_true(handlerInvoked1, "Extra passive handler not invoked");

	74 assert_true(handlerInvoked2, "Extra non-passive handler not invoked");

	75

	76 document.removeEventListener('test', dummyHandler1);

	77 document.removeEventListener('test', dummyHandler2);

	78 }

	79

	80 test(function() {

	81 testPassiveWithOtherHandlers({}, true);

	82 testPassiveWithOtherHandlers({passive: false}, true);

	83 testPassiveWithOtherHandlers({passive: true}, false);

	84 }, "passive behavior of one listener should be unaffeted by the presence of othe r listeners");

	85

	86 function testOptionEquivalence(optionValue1, optionValue2, expectedEquality) {

	87 var invocationCount = 0;

	88 var handler = function handler(e) {

	89 invocationCount++;

	90 }

	91 document.addEventListener('test', handler, optionValue1);

	92 document.addEventListener('test', handler, optionValue2);

	93 document.body.dispatchEvent(new Event('test', {bubbles: true}));

	94 assert_equals(invocationCount, expectedEquality ? 1 : 2, "equivalence of optio ns " +

	95 JSON.stringify(optionValue1) + " and " + JSON.stringify(optionValue2));

	96 document.removeEventListener('test', handler, optionValue1);

	97 document.removeEventListener('test', handler, optionValue2);

	98 }

	99

	100 test(function() {

	101 // Sanity check options that should be treated as distinct handlers

	102 testOptionEquivalence({capture:true}, {capture:false, passive:false}, false);

	103 testOptionEquivalence({capture:true}, {passive:true}, false);

	104

	105 // Option values that should be treated as equivalent

	106 testOptionEquivalence({}, {passive:false}, true);

	107 testOptionEquivalence({passive:true}, {passive:false}, true);

	108 testOptionEquivalence(undefined, {passive:true}, true);

	109 testOptionEquivalence({capture: true, passive: false}, {capture: true, passive : true}, true);

	110

	111 }, "Equivalence of option values");

	112

	113 </script>

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