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<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS Transitions Test: TransitionEvent interface</title>
<link rel="help" href="https://drafts.csswg.org/css-transitions-1/#interface-transitionevent">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="transitionevent-interface.js"></script>
<script>
test(function() {
var event = new TransitionEvent("");
assert_true(event instanceof window.TransitionEvent);
}, "the event is an instance of TransitionEvent");
test(function() {
var event = new TransitionEvent("");
assert_true(event instanceof window.Event);
}, "the event inherts from Event");
test(function() {
assert_throws_js(TypeError, function() {
new TransitionEvent();
}, 'First argument is required, so was expecting a TypeError.');
}, 'Missing type argument');
test(function() {
var event = new TransitionEvent("test");
assert_equals(event.type, "test");
}, "type argument is string");
test(function() {
var event = new TransitionEvent(null);
assert_equals(event.type, "null");
}, "type argument is null");
test(function() {
var event = new TransitionEvent(undefined);
assert_equals(event.type, "undefined");
}, "event type set to undefined");
test(function() {
var event = new TransitionEvent("test");
assert_equals(event.propertyName, "");
}, "propertyName has default value of empty string");
test(function() {
var event = new TransitionEvent("test");
assert_equals(event.elapsedTime, 0.0);
}, "elapsedTime has default value of 0.0");
test(function() {
var event = new TransitionEvent("test");
assert_readonly(event, "propertyName", "readonly attribute value");
}, "propertyName is readonly");
test(function() {
var event = new TransitionEvent("test");
assert_readonly(event, "elapsedTime", "readonly attribute value");
}, "elapsedTime is readonly");
test(function() {
var event = new TransitionEvent("test", null);
assert_equals(event.propertyName, "");
assert_equals(event.elapsedTime, 0.0);
}, "animationEventInit argument is null");
test(function() {
var event = new TransitionEvent("test", undefined);
assert_equals(event.propertyName, "");
assert_equals(event.elapsedTime, 0.0);
}, "animationEventInit argument is undefined");
test(function() {
var event = new TransitionEvent("test", {});
assert_equals(event.propertyName, "");
assert_equals(event.elapsedTime, 0.0);
}, "animationEventInit argument is empty dictionary");
test(function() {
var event = new TransitionEvent("test", {pseudoElement: "::testPseudo"});
assert_equals(event.pseudoElement, "::testPseudo");
}, "TransitionEvent.pseudoElement initialized from the dictionary");
test(function() {
var event = new TransitionEvent("test", {propertyName: "sample"});
assert_equals(event.propertyName, "sample");
}, "propertyName set to 'sample'");
test(function() {
var event = new TransitionEvent("test", {propertyName: undefined});
assert_equals(event.propertyName, "");
}, "propertyName set to undefined");
test(function() {
var event = new TransitionEvent("test", {propertyName: null});
assert_equals(event.propertyName, "null");
}, "propertyName set to null");
test(function() {
var event = new TransitionEvent("test", {propertyName: false});
assert_equals(event.propertyName, "false");
}, "propertyName set to false");
test(function() {
var event = new TransitionEvent("test", {propertyName: true});
assert_equals(event.propertyName, "true");
}, "propertyName set to true");
test(function() {
var event = new TransitionEvent("test", {propertyName: 0.5});
assert_equals(event.propertyName, "0.5");
}, "propertyName set to a number");
test(function() {
var event = new TransitionEvent("test", {propertyName: []});
assert_equals(event.propertyName, "");
}, "propertyName set to []");
test(function() {
var event = new TransitionEvent("test", {propertyName: [1, 2, 3]});
assert_equals(event.propertyName, "1,2,3");
}, "propertyName set to [1, 2, 3]");
test(function() {
var event = new TransitionEvent("test", {propertyName: {sample: 0.5}});
assert_equals(event.propertyName, "[object Object]");
}, "propertyName set to an object");
test(function() {
var event = new TransitionEvent("test",
{propertyName: {valueOf: function () { return 'sample'; }}});
assert_equals(event.propertyName, "[object Object]");
}, "propertyName set to an object with a valueOf function");
test(function() {
var event = new TransitionEvent("test", {elapsedTime: 0.5});
assert_equals(event.elapsedTime, 0.5);
}, "elapsedTime set to 0.5");
test(function() {
var event = new TransitionEvent("test", {elapsedTime: -0.5});
assert_equals(event.elapsedTime, -0.5);
}, "elapsedTime set to -0.5");
test(function() {
var event = new TransitionEvent("test", {elapsedTime: undefined});
assert_equals(event.elapsedTime, 0);
}, "elapsedTime set to undefined");
test(function() {
var event = new TransitionEvent("test", {elapsedTime: null});
assert_equals(event.elapsedTime, 0);
}, "elapsedTime set to null");
test(function() {
var event = new TransitionEvent("test", {elapsedTime: false});
assert_equals(event.elapsedTime, 0);
}, "elapsedTime set to false");
test(function() {
var event = new TransitionEvent("test", {elapsedTime: true});
assert_equals(event.elapsedTime, 1);
}, "elapsedTime set to true");
test(function() {
var event = new TransitionEvent("test", {elapsedTime: ""});
assert_equals(event.elapsedTime, 0);
}, "elapsedTime set to ''");
test(function() {
var event = new TransitionEvent("test", {elapsedTime: []});
assert_equals(event.elapsedTime, 0);
}, "elapsedTime set to []");
test(function() {
var event = new TransitionEvent("test", {elapsedTime: [0.5]});
assert_equals(event.elapsedTime, 0.5);
}, "elapsedTime set to [0.5]");
test(function() {
var event = new TransitionEvent(
"test", {elapsedTime: { valueOf: function() { return 0.5; }}});
assert_equals(event.elapsedTime, 0.5);
}, "elapsedTime set to an object with a valueOf function");
test(function() {
assert_throws_js(TypeError, function() {
new TransitionEvent("test", {elapsedTime: NaN});
}, 'elapsedTime cannot be NaN so was expecting a TypeError');
}, "elapsedTime cannot be set to NaN");
test(function() {
assert_throws_js(TypeError, function() {
new TransitionEvent("test", {elapsedTime: Infinity});
}, 'elapsedTime cannot be Infinity so was expecting a TypeError');
}, "elapsedTime cannot be set to Infinity");
test(function() {
assert_throws_js(TypeError, function() {
new TransitionEvent("test", {elapsedTime: -Infinity});
}, 'elapsedTime cannot be -Infinity so was expecting a TypeError');
}, "elapsedTime cannot be set to -Infinity");
test(function() {
assert_throws_js(TypeError, function() {
new TransitionEvent("test", {elapsedTime: "sample"});
}, 'elapsedTime cannot be a string so was expecting a TypeError');
}, "elapsedTime cannot be set to 'sample'");
test(function() {
assert_throws_js(TypeError, function() {
new TransitionEvent("test", {elapsedTime: [0.5, 1.0]});
}, 'elapsedTime cannot be a multi-element array so was expecting a TypeError');
}, "elapsedTime cannot be set to [0.5, 1.0]");
test(function() {
assert_throws_js(TypeError, function() {
new TransitionEvent("test", {elapsedTime: { sample: 0.5}});
}, 'elapsedTime cannot be an object so was expecting a TypeError');
}, "elapsedTime cannot be set to an object");
test(function() {
var eventInit = {propertyName: "sample", elapsedTime: 0.5};
var event = new TransitionEvent("test", eventInit);
assert_equals(event.propertyName, "sample");
assert_equals(event.elapsedTime, 0.5);
}, "TransitionEventInit properties set value");
</script>
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