| <!DOCTYPE html> |
| <meta charset="utf-8"> |
| <title>HTML Test: tabIndex getter return value for frames</title> |
| <link rel="help" href="https://html.spec.whatwg.org/multipage/interaction.html#dom-tabindex"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| |
| <!-- <frame> elements are harder to test than the rest so they get their own file --> |
| |
| <body> |
| |
| <script> |
| "use strict"; |
| test(() => { |
| const frame = document.createElement("frame"); |
| assert_equals(frame.tabIndex, 0); |
| }, "disconnected frame element .tabIndex should return 0 by default"); |
| |
| for (const setValue of [-1, 0, 1]) { |
| test(() => { |
| const frame = document.createElement("frame"); |
| frame.setAttribute("tabindex", setValue); |
| assert_equals(frame.tabIndex, setValue); |
| }, `disconnected frame element .tabIndex should return ${setValue} when set to ${setValue}`); |
| } |
| |
| promise_test(async t => { |
| const frame = await getFrame(t); |
| assert_equals(frame.tabIndex, 0); |
| }, "connected frame element inside frameset .tabIndex should return 0 by default"); |
| |
| for (const setValue of [-1, 0, 1]) { |
| promise_test(async t => { |
| const frame = await getFrame(t); |
| frame.setAttribute("tabindex", setValue); |
| assert_equals(frame.tabIndex, setValue); |
| }, `connected frame element inside frameset .tabIndex should return ${setValue} when set to ${setValue}`); |
| } |
| |
| |
| function getFrame(t) { |
| return new Promise((resolve, reject) => { |
| const iframe = document.createElement("iframe"); |
| t.add_cleanup(() => iframe.remove()); |
| |
| iframe.src = "resources/frameset-using-page.html"; |
| iframe.onload = () => { |
| resolve(iframe.contentDocument.querySelector("frame")); |
| }; |
| iframe.onerror = () => reject(new Error("Could not load frameset page")); |
| |
| document.body.append(iframe); |
| }); |
| } |
| </script> |
