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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 14:29:10 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 14:29:10 +0000 |
| commit | 2aa4a82499d4becd2284cdb482213d541b8804dd (patch) | |
| tree | b80bf8bf13c3766139fbacc530efd0dd9d54394c /dom/tests/mochitest/bugs/test_protochains.html | |
| parent | Initial commit. (diff) | |
| download | firefox-2aa4a82499d4becd2284cdb482213d541b8804dd.tar.xz firefox-2aa4a82499d4becd2284cdb482213d541b8804dd.zip | |
Adding upstream version 86.0.1.upstream/86.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'dom/tests/mochitest/bugs/test_protochains.html')
| -rw-r--r-- | dom/tests/mochitest/bugs/test_protochains.html | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/dom/tests/mochitest/bugs/test_protochains.html b/dom/tests/mochitest/bugs/test_protochains.html new file mode 100644 index 0000000000..62be36d118 --- /dev/null +++ b/dom/tests/mochitest/bugs/test_protochains.html @@ -0,0 +1,59 @@ +<!DOCTYPE HTML> +<html> +<!-- +https://bugzilla.mozilla.org/show_bug.cgi?id=817420 +--> +<head> + <meta charset="utf-8"> + <title>Test for Bug 817420</title> + <script src="/tests/SimpleTest/SimpleTest.js"></script> + <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/> +</head> +<body> +<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=817420">Mozilla Bug 817420</a> +<p id="display"></p> +<div id="content" style="display: none"> + +</div> +<pre id="test"> +<script type="application/javascript"> + +/** Test for Bug 817420 **/ +is(Object.getPrototypeOf(HTMLElement.prototype), Element.prototype, + "Must have correct proto chain for HTMLElement.prototype"); +is(Object.getPrototypeOf(document.createElementNS(null, "x")), + Element.prototype, + "Must have correct proto chain for random element"); +is(Object.getPrototypeOf(document.createElement("noSuchElementName")), + HTMLUnknownElement.prototype, + "Must have correct proto chain for random HTML element"); + +// And check that it's really working as it should +function checkPropPresent(propName, objList, expected) +{ + for (obj of objList) { + is(propName in obj, + expected, + obj + " should " + (expected ? "" : "not ") + "have the property"); + } +} +var objList = [ Element.prototype, + HTMLElement.prototype, + document.createElementNS(null, "x"), + document.createElement("noSuchElementName"), + document.body ] +checkPropPresent("somePropertyThatBetterNeverExist", objList, false); +Element.prototype.somePropertyThatBetterNeverExist = 1; +checkPropPresent("somePropertyThatBetterNeverExist", objList, true); + +objList = [ HTMLElement.prototype, + document.createElement("noSuchElementName"), + document.body ] +checkPropPresent("someOtherPropertyThatBetterNeverExist", objList, false); +HTMLElement.prototype.someOtherPropertyThatBetterNeverExist = 1; +checkPropPresent("someOtherPropertyThatBetterNeverExist", objList, true); + +</script> +</pre> +</body> +</html> |