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