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WebIDL/ecmascript-binding/legacy-platform-object/DefineOwnProperty.html
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| <!DOCTYPE html> | ||
| <meta charset="utf-8"> | ||
| <title>Legacy platform objects [[DefineOwnProperty]] method</title> | ||
| <link rel="help" href="https://heycam.github.io/webidl/#legacy-platform-object-defineownproperty"> | ||
| <script src="/resources/testharness.js"></script> | ||
| <script src="/resources/testharnessreport.js"></script> | ||
| <script src="./helper.js"></script> | ||
| <script> | ||
|
|
||
| test(function() { | ||
| let span = document.createElement("span"); | ||
| span.className = "foo"; | ||
| // DOMTokenList supports an indexed property getter but not a setter. | ||
| let domTokenList = span.classList; | ||
| // Confirm the test settings. | ||
| assert_equals(domTokenList.length, 1); | ||
| assert_prop_desc_equals(domTokenList, "0", | ||
| {value: "foo", writable: false, enumerable: true, | ||
| configurable: true}); | ||
| assert_prop_desc_equals(domTokenList, "1", undefined); | ||
| // Actual test | ||
| assert_throws_js(TypeError, () => | ||
| Object.defineProperty(domTokenList, "0", {value: true, writable: true})); | ||
| assert_throws_js(TypeError, () => | ||
| Object.defineProperty(domTokenList, "1", {value: true, writable: true})); | ||
| assert_throws_js(TypeError, () => | ||
| Object.defineProperty(domTokenList, "0", {get: () => {}})); | ||
| assert_throws_js(TypeError, () => | ||
| Object.defineProperty(domTokenList, "0", {set: () => {}})); | ||
| assert_throws_js(TypeError, () => | ||
| Object.defineProperty(domTokenList, "1", {get: () => {}})); | ||
| assert_throws_js(TypeError, () => | ||
| Object.defineProperty(domTokenList, "1", {set: () => {}})); | ||
| assert_equals(domTokenList[0], "foo"); | ||
| assert_equals(domTokenList[1], undefined); | ||
| domTokenList[0] = "bar"; | ||
| domTokenList[1] = "bar"; | ||
| assert_equals(domTokenList[0], "foo"); | ||
| assert_equals(domTokenList[1], undefined); | ||
| assert_throws_js(TypeError, () => { | ||
| "use strict"; | ||
| domTokenList[0] = "bar"; | ||
| }); | ||
| assert_throws_js(TypeError, () => { | ||
| "use strict"; | ||
| domTokenList[1] = "bar"; | ||
| }); | ||
| // Nothing must change after all. | ||
| assert_equals(domTokenList.length, 1); | ||
| assert_prop_desc_equals(domTokenList, "0", | ||
| {value: "foo", writable: false, enumerable: true, | ||
| configurable: true}); | ||
| assert_prop_desc_equals(domTokenList, "1", undefined); | ||
| }, "Test [[DefineOwnProperty]] with no indexed property setter support."); | ||
|
|
||
| test(function() { | ||
| // HTMLSelectElement supports an indexed property setter. | ||
| let select = document.createElement("select"); | ||
| let option0 = document.createElement("option"); | ||
| let option1 = document.createElement("option"); | ||
| // Confirm the test settings. | ||
| assert_equals(select.length, 0); | ||
| assert_prop_desc_equals(select, "0", undefined); | ||
| // Try to define an accessor property with non supported property index. | ||
| assert_throws_js(TypeError, () => | ||
| Object.defineProperty(select, "0", {get: () => {}})); | ||
| assert_throws_js(TypeError, () => | ||
| Object.defineProperty(select, "0", {set: () => {}})); | ||
| assert_prop_desc_equals(select, "0", undefined); | ||
| // writable, enumerable, configurable will be ignored. | ||
| Object.defineProperty(select, "0", {value: option0, writable: false, | ||
| enumerable: false, configurable: false}); | ||
| assert_prop_desc_equals(select, "0", | ||
| {value: option0, writable: true, enumerable: true, | ||
| configurable: true}); | ||
| select[1] = option1; | ||
| assert_prop_desc_equals(select, "1", | ||
| {value: option1, writable: true, enumerable: true, | ||
| configurable: true}); | ||
| // Try to define an accessor property with a supported property index. | ||
| assert_throws_js(TypeError, () => | ||
| Object.defineProperty(select, "0", {get: () => {}})); | ||
| assert_throws_js(TypeError, () => | ||
| Object.defineProperty(select, "0", {set: () => {}})); | ||
| assert_prop_desc_equals(select, "0", | ||
| {value: option0, writable: true, enumerable: true, | ||
| configurable: true}); | ||
| }, "Test [[DefineOwnProperty]] with indexed property setter support."); | ||
| </script> |
84 changes: 84 additions & 0 deletions
84
WebIDL/ecmascript-binding/legacy-platform-object/GetOwnProperty.html
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,84 @@ | ||
| <!DOCTYPE html> | ||
| <meta charset="utf-8"> | ||
| <title>Legacy platform objects [[GetOwnProperty]] method</title> | ||
| <link rel="help" href="https://heycam.github.io/webidl/#legacy-platform-object-getownproperty"> | ||
| <script src="/resources/testharness.js"></script> | ||
| <script src="/resources/testharnessreport.js"></script> | ||
| <script src="./helper.js"></script> | ||
| <script> | ||
|
|
||
| test(function() { | ||
| // DOMTokenList has an indexed property getter, no indexed property setter | ||
| // and no named property handlers. | ||
| let div = document.createElement("div"); | ||
| div.classList.add("baz", "quux"); | ||
| const domTokenList = div.classList; | ||
| assert_prop_desc_equals( | ||
| domTokenList, "1", | ||
| {value: "quux", writable: false, enumerable: true, configurable: true}, | ||
| "[[GetOwnProperty]] for indexed properties returns the right descriptor"); | ||
| assert_prop_desc_equals( | ||
| domTokenList, "42", undefined, | ||
| "[[GetOwnProperty]] with invalid index returns undefined"); | ||
| assert_array_equals(Object.keys(domTokenList), ["0", "1"]); | ||
| assert_array_equals(Object.values(domTokenList), ["baz", "quux"]); | ||
|
|
||
| // getElementsByTagName() returns an HTMLCollection. | ||
| // HTMLCollection has indexed and named property getters, no setters. Its IDL | ||
| // interface declaration has [LegacyUnenumerableNamedProperties] so its named | ||
| // properties are not enumerable. | ||
| let span1 = document.createElement("span"); | ||
| span1.id = "foo"; | ||
| let span2 = document.createElement("span"); | ||
| span2.id = "bar"; | ||
| document.head.appendChild(span1); | ||
| document.head.appendChild(span2); | ||
| const elementList = document.getElementsByTagName("span"); | ||
| assert_prop_desc_equals( | ||
| elementList, "foo", | ||
| {value: span1, writable: false, enumerable: false, configurable: true}, | ||
| "[[GetOwnProperty]] for named properties returns the right descriptor"); | ||
| assert_prop_desc_equals( | ||
| elementList, "1", | ||
| {value: span2, writable: false, enumerable: true, configurable: true}, | ||
| "[[GetOwnProperty]] for indexed properties returns the right descriptor"); | ||
| assert_prop_desc_equals( | ||
| elementList, "unknown", undefined, | ||
| "[[GetOwnProperty]] with invalid property name returns undefined"); | ||
| assert_array_equals(Object.keys(elementList), ["0", "1"]); | ||
| assert_array_equals(Object.values(elementList), [span1, span2]); | ||
| }, "[[GetOwnProperty]] with getters and no setters"); | ||
|
|
||
| test(function() { | ||
| // DOMStringMap supports named property getters and setters, but not indexed | ||
| // properties. | ||
| let span = document.createElement("span"); | ||
| span.dataset.foo = "bar"; | ||
| assert_prop_desc_equals( | ||
| span.dataset, "foo", | ||
| {value: "bar", writable: true, enumerable: true, configurable: true}, | ||
| "[[GetOwnProperty]] for named properties returns the right descriptor"); | ||
| assert_prop_desc_equals( | ||
| span.dataset, "unknown", undefined, | ||
| "[[GetOwnProperty]] with invalid property name returns undefined"); | ||
| assert_array_equals(Object.keys(span.dataset), ["foo"]); | ||
| assert_array_equals(Object.values(span.dataset), ["bar"]); | ||
| }, "[[GetOwnProperty]] with named property getters and setters"); | ||
|
|
||
| test(function() { | ||
| // HTMLSelectElement has indexed property getters and setters, but no support | ||
| // for named properties. | ||
| let selectElement = document.createElement("select"); | ||
| assert_prop_desc_equals( | ||
| selectElement, "0", undefined, | ||
| "[[GetOwnProperty]] with invalid property index returns undefined"); | ||
| let optionElement = document.createElement("option"); | ||
| selectElement.appendChild(optionElement); | ||
| assert_prop_desc_equals( | ||
| selectElement, "0", | ||
| {value: optionElement, writable: true, enumerable: true, configurable: true}, | ||
| "[[GetOwnProperty]] for indexed properties returns the right descriptor"); | ||
| assert_array_equals(Object.keys(selectElement), ["0"]); | ||
| assert_array_equals(Object.values(selectElement), [optionElement]); | ||
| }, "[[GetOwnProperty]] with indexed property getters and setters"); | ||
| </script> |
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