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| 1 | +<!DOCTYPE html> |
| 2 | +<meta charset="utf-8"> |
| 3 | +<title>javascript: URL task queuing</title> |
| 4 | +<link rel="help" href="https://github.com/whatwg/html/issues/3730"> |
| 5 | +<script src="/resources/testharness.js"></script> |
| 6 | +<script src="/resources/testharnessreport.js"></script> |
| 7 | + |
| 8 | +<body> |
| 9 | +<script> |
| 10 | +"use strict"; |
| 11 | + |
| 12 | +testIsAsync(() => { |
| 13 | + const iframe = document.createElement("iframe"); |
| 14 | + document.body.append(iframe); |
| 15 | + iframe.contentWindow.location.href = "javascript:window.top.javascriptURLRan = true; window.top.resolveTestPromise();"; |
| 16 | +}, `Navigating an iframe via location.href to a javascript: URL must queue a task`); |
| 17 | + |
| 18 | +testIsAsync(() => { |
| 19 | + const iframe = document.createElement("iframe"); |
| 20 | + iframe.src = "javascript:window.top.javascriptURLRan = true; window.top.resolveTestPromise();"; |
| 21 | + document.body.append(iframe); |
| 22 | +}, `Navigating an iframe via src="" to a javascript: URL before insertion must queue a task`); |
| 23 | + |
| 24 | +testIsAsync(() => { |
| 25 | + const iframe = document.createElement("iframe"); |
| 26 | + document.body.append(iframe); |
| 27 | + iframe.src = "javascript:window.top.javascriptURLRan = true; window.top.resolveTestPromise();"; |
| 28 | +}, `Navigating an iframe via src="" to a javascript: URL after insertion must queue a task`); |
| 29 | + |
| 30 | +testIsAsync(() => { |
| 31 | + const w = window.open(); |
| 32 | + w.location.href = "javascript:window.opener.javascriptURLRan = true; window.opener.resolveTestPromise();"; |
| 33 | +}, `Navigating an opened window via location.href to a javascript: URL must queue a task`); |
| 34 | + |
| 35 | +testIsAsync(() => { |
| 36 | + window.open("javascript:window.opener.javascriptURLRan = true; window.opener.resolveTestPromise();"); |
| 37 | +}, `Navigating an opened window as part of creation to a javascript: URL must queue a task`); |
| 38 | + |
| 39 | +function testIsAsync(setupFunc, description) { |
| 40 | + promise_test(async t => { |
| 41 | + t.add_cleanup(() => { |
| 42 | + delete window.resolveTestPromise; |
| 43 | + delete window.javascriptURLRan; |
| 44 | + }); |
| 45 | + |
| 46 | + const ranPromise = new Promise(resolve => { |
| 47 | + window.resolveTestPromise = resolve; |
| 48 | + }); |
| 49 | + |
| 50 | + setupFunc(); |
| 51 | + |
| 52 | + assert_equals(window.javascriptURLRan, undefined, "Must not run sync"); |
| 53 | + |
| 54 | + // Ensure that we do actually run the code, though. |
| 55 | + await ranPromise; |
| 56 | + }, description); |
| 57 | +} |
| 58 | +</script> |
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