mirror of
https://github.com/servo/servo
synced 2026-05-12 01:46:28 +02:00
296fa2512b
- Update CSS tests to revision e05bfd5e30ed662c2f8a353577003f8eed230180. - Update web-platform-tests to revision a052787dd5c069a340031011196b73affbd68cd9.
77 lines
2.8 KiB
HTML
77 lines
2.8 KiB
HTML
<!doctype html>
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<meta charset=utf-8>
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<title></title>
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<script src=/resources/testharness.js></script>
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<script src=/resources/testharnessreport.js></script>
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<!-- A window to work with that won't trigger the harness exception detection
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when we fire "error" events at it -->
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<iframe style="display: none"></iframe>
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<script>
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test(function() {
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var blob = new Blob([""]);
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// Most targets disabled for now until
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// https://github.com/whatwg/html/issues/2296 is sorted out.
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var targets = [ frames[0] /*, document, document.documentElement,
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new Worker(URL.createObjectURL(blob) */ ];
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// Event constructors also mostly disabled until
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// https://github.com/whatwg/html/issues/2296 is sorted out.
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var eventCtors = [ /* Event, */ ErrorEvent /*, MouseEvent */ ];
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var values = [true, false, "", "abc", {}, 0, 1, -1, null, undefined,
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2.5, NaN, Infinity, Symbol.toStringTag ];
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// Event types also mostly disabled pending
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// https://github.com/whatwg/html/issues/2296
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var eventTypes = [ "error"/*, "click", "load"*/ ];
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// Variables that keep track of which subtest we're running.
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var curTarget;
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var curValue;
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var curCtor;
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var curType;
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function defaultPreventedTester(event) {
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var expectedValue;
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if (curTarget === frames[0] &&
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curCtor === ErrorEvent &&
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curValue === true &&
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curType == "error") {
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expectedValue = true;
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} else {
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// This will need adjusting once we allow more targets and event
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// constructors above!
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expectedValue = false;
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}
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var valueRepr;
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if (typeof curValue == "string") {
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valueRepr = '"' + curValue + '"';
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} else {
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valueRepr = String(curValue);
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}
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test(function() {
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assert_equals(event.defaultPrevented, expectedValue);
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}, "Returning " + valueRepr +
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" from " + String(curTarget) + "'s on" + curType +
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" event handler while " + curCtor.name +
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" is firing should" +
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(expectedValue ? "" : " not") +
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" cancel the event");
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}
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for (curCtor of eventCtors) {
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for (curTarget of targets) {
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for (curType of eventTypes) {
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for (curValue of values) {
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// We have to make sure that defaultPreventedTester is added after
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// our event handler.
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curTarget["on" + curType] = function() { return curValue; }
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curTarget.addEventListener(curType, defaultPreventedTester);
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var e = new curCtor(curType, { cancelable: true });
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curTarget.dispatchEvent(e);
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curTarget["on" + curType] = null;
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curTarget.removeEventListener(curType, defaultPreventedTester);
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}
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}
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}
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}
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}, "event handler cancellation behavior");
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</script>
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