| <!doctype html> |
| <meta charset="utf-8"> |
| <title>Setter should treat no arguments as undefined</title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <body> |
| <script> |
| const invalidThisValues = [undefined, null, 1, {}, new Image()]; |
| |
| // String attribute. |
| |
| test(() => { |
| const setter = Object.getOwnPropertyDescriptor(Animation.prototype, "id").set; |
| |
| for (const thisValue of invalidThisValues) { |
| assert_throws_js(TypeError, () => { setter.call(thisValue); }); |
| assert_throws_js(TypeError, () => { setter.call(thisValue, undefined); }); |
| assert_throws_js(TypeError, () => { setter.call(thisValue, "foo"); }); |
| } |
| }, `String attribute setter should throw if this value is invalid`); |
| |
| test(() => { |
| const thisValue = new Animation(); |
| const setter = Object.getOwnPropertyDescriptor(Animation.prototype, "id").set; |
| |
| assert_equals(thisValue.id, ""); |
| |
| setter.call(thisValue); |
| assert_equals(thisValue.id, "undefined", |
| "undefined value should be stringified"); |
| }, `String attribute setter should treat no arguments as undefined`); |
| |
| test(() => { |
| const thisValue = new Animation(); |
| const setter = Object.getOwnPropertyDescriptor(Animation.prototype, "id").set; |
| |
| assert_equals(thisValue.id, ""); |
| |
| setter.call(thisValue, undefined); |
| assert_equals(thisValue.id, "undefined", |
| "undefined value should be stringified"); |
| }, `String attribute setter called with undefined should behave in the same way as no arguments`); |
| |
| test(() => { |
| const thisValue = new Animation(); |
| const setter = Object.getOwnPropertyDescriptor(Animation.prototype, "id").set; |
| |
| assert_equals(thisValue.id, ""); |
| |
| setter.call(thisValue, "foo"); |
| assert_equals(thisValue.id, "foo"); |
| }, `String attribute setter called with string should just work`); |
| |
| // Object attribute. |
| |
| test(() => { |
| const setter = Object.getOwnPropertyDescriptor(Document.prototype, "body").set; |
| |
| for (const thisValue of invalidThisValues) { |
| assert_throws_js(TypeError, () => { setter.call(thisValue); }); |
| assert_throws_js(TypeError, () => { setter.call(thisValue, undefined); }); |
| assert_throws_js(TypeError, () => { setter.call(thisValue, "foo"); }); |
| } |
| }, `Object attribute setter should throw if this value is invalid`); |
| |
| test(() => { |
| const thisValue = new Document(); |
| const setter = Object.getOwnPropertyDescriptor(Document.prototype, "body").set; |
| |
| assert_throws_dom("HierarchyRequestError", () => { setter.call(thisValue); }); |
| }, `Object attribute setter should treat no arguments as undefined`); |
| |
| test(() => { |
| const thisValue = new Document(); |
| const setter = Object.getOwnPropertyDescriptor(Document.prototype, "body").set; |
| |
| assert_throws_dom("HierarchyRequestError", () => { setter.call(thisValue, undefined); }); |
| }, `Object attribute setter called with undefined should behave in the same way as no arguments`); |
| |
| // [Replaceable] attribute. |
| |
| test(() => { |
| const thisValue = window; |
| const setter = Object.getOwnPropertyDescriptor(window, "scrollX").set; |
| |
| setter.call(thisValue); |
| assert_equals(thisValue.scrollX, undefined); |
| }, `[Replaceable] setter should treat no arguments as undefined`); |
| |
| test(() => { |
| const thisValue = window; |
| const setter = Object.getOwnPropertyDescriptor(window, "screenLeft").set; |
| |
| setter.call(thisValue, undefined); |
| assert_equals(thisValue.screenLeft, undefined); |
| }, `[Replaceable] setter called with undefined should behave in the same way as no arguments`); |
| |
| test(() => { |
| const thisValue = window; |
| const setter = Object.getOwnPropertyDescriptor(window, "screenTop").set; |
| |
| setter.call(thisValue, "foo"); |
| assert_equals(thisValue.screenTop, "foo"); |
| }, `[Replaceable] setter called with other value should just work`); |
| |
| // [LegacyLenientThis] attribute. |
| |
| test(() => { |
| const setter = Object.getOwnPropertyDescriptor(HTMLElement.prototype, "onmouseenter").set; |
| |
| for (const thisValue of invalidThisValues) { |
| setter.call(thisValue); |
| setter.call(thisValue, undefined); |
| setter.call(thisValue, "foo"); |
| } |
| }, `[LegacyLenientThis] setter should not throw even if this value is invalid, regardless of the arguments count`); |
| |
| test(() => { |
| const thisValue = document.createElement("div"); |
| const setter = Object.getOwnPropertyDescriptor(HTMLElement.prototype, "onmouseenter").set; |
| |
| setter.call(thisValue); |
| assert_equals(thisValue.onmouseenter, null); |
| }, `[LegacyLenientThis] setter should treat no arguments as undefined`); |
| |
| test(() => { |
| const thisValue = document.createElement("div"); |
| const setter = Object.getOwnPropertyDescriptor(HTMLElement.prototype, "onmouseenter").set; |
| |
| setter.call(thisValue, undefined); |
| assert_equals(thisValue.onmouseenter, null); |
| }, `[LegacyLenientThis] setter called with undefined should behave in the same way as no arguments`); |
| |
| // [LegacyLenientSetter] attribute. |
| |
| test(() => { |
| const thisValue = new Document(); |
| const setter = Object.getOwnPropertyDescriptor(Document.prototype, "fullscreenEnabled").set; |
| |
| setter.call(thisValue); |
| assert_equals(thisValue.fullscreenEnabled, false); |
| }, `[LegacyLenientSetter] setter should treat no arguments as undefined`); |
| |
| test(() => { |
| const thisValue = new Document(); |
| const setter = Object.getOwnPropertyDescriptor(Document.prototype, "fullscreenEnabled").set; |
| |
| setter.call(thisValue, undefined); |
| assert_equals(thisValue.fullscreenEnabled, false); |
| }, `[LegacyLenientSetter] setter called with undefined should behave in the same way as no arguments`); |
| |
| // [PutForward] attribute. |
| |
| test(() => { |
| const thisValue = document.createElement("a"); |
| const setter = Object.getOwnPropertyDescriptor(HTMLAnchorElement.prototype, "relList").set; |
| |
| assert_equals(thisValue.relList.length, 0); |
| |
| setter.call(thisValue); |
| assert_equals(thisValue.relList.length, 1); |
| assert_equals(thisValue.relList[0], "undefined"); |
| }, `[PutForward] setter should treat no arguments as undefined`); |
| |
| test(() => { |
| const thisValue = document.createElement("a"); |
| const setter = Object.getOwnPropertyDescriptor(HTMLAnchorElement.prototype, "relList").set; |
| |
| assert_equals(thisValue.relList.length, 0); |
| |
| setter.call(thisValue, undefined); |
| |
| assert_equals(thisValue.relList.length, 1); |
| assert_equals(thisValue.relList[0], "undefined"); |
| }, `[PutForward] setter called with undefined should behave in the same way as no arguments`); |
| </script> |
