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54 lines
1.8 KiB
HTML
54 lines
1.8 KiB
HTML
<!DOCTYPE html>
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<title>The ProgressEvent interface</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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<div id="log"></div>
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<script>
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test(function() {
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assert_equals(typeof ProgressEvent, "function")
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assert_equals(ProgressEvent.length, 1)
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assert_throws(new TypeError(), function() {
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"use strict";
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delete ProgressEvent.length;
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})
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})
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test(function() {
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var desc = Object.getOwnPropertyDescriptor(ProgressEvent, "prototype")
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assert_equals(desc.value, ProgressEvent.prototype)
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assert_equals(desc.writable, false)
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assert_equals(desc.enumerable, false)
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assert_equals(desc.configurable, false)
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assert_throws(new TypeError(), function() {
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"use strict";
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delete ProgressEvent.prototype;
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})
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assert_equals(ProgressEvent.prototype.constructor, ProgressEvent)
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assert_equals(Object.getPrototypeOf(ProgressEvent.prototype), Event.prototype)
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}, "interface prototype object")
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var attributes = [
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["boolean", "lengthComputable"],
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["unsigned long long", "loaded"],
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["unsigned long long", "total"]
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];
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attributes.forEach(function(a) {
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test(function() {
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var desc = Object.getOwnPropertyDescriptor(ProgressEvent.prototype, a[1])
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assert_equals(desc.enumerable, true)
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assert_equals(desc.configurable, true)
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assert_throws(new TypeError(), function() {
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ProgressEvent.prototype[a[1]]
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})
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})
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})
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test(function() {
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for (var p in window) {
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assert_not_equals(p, "ProgressEvent")
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}
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}, "Interface objects properties should not be Enumerable")
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test(function() {
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assert_true(!!window.ProgressEvent, "Interface should exist.")
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assert_true(delete window.ProgressEvent, "The delete operator should return true.")
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assert_equals(window.ProgressEvent, undefined, "Interface should be gone.")
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}, "Should be able to delete ProgressEvent.")
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</script>
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