mozilla-central/testing/web-platform/tests/html/rendering/unmapped-attributes.html

Source code

Revision control

Copy as Markdown

Other Tools

Test Info:

<!doctype html>
<meta charset=utf-8>
<title>Test handling of attributes that should not be mapped into style, but
incorrectly were in some browsers</title>
<script src=/resources/testharness.js></script>
<script src=/resources/testharnessreport.js></script>
<body>
<div id="container" style="display: none"></div>
<iframe></iframe>
<script>
/*
* We wand to test both quirks and standards mode. We can use the fact that
* our document is in standards mode and the about:blank iframe we have is in
* quirks mode.
*/
test(() => {
assert_equals(document.compatMode, "CSS1Compat")
}, "We should be in standards mode");
const container = document.getElementById("container");
const frameDoc = document.querySelector("iframe").contentDocument;
test(() => {
assert_equals(frameDoc.compatMode, "BackCompat")
}, "Subframe should be in quirks mode");
const frameContainer = frameDoc.createElement("div");
frameContainer.style.display = "none";
frameDoc.body.appendChild(frameContainer);
function newElem(name) {
return (parent) =>
parent.appendChild(parent.ownerDocument.createElement(name));
}
/*
* Array of tests. Each test consists of the following information:
*
* 1) An element creation function, which takes a parent element as an
* argument.
* 2) The name of the attribute to set
* 3) The name of the CSS property to get.
*/
const tests = [
[ newElem("table"), "hspace", "marginLeft" ],
[ newElem("table"), "hspace", "marginRight" ],
[ newElem("table"), "vspace", "marginTop" ],
[ newElem("table"), "vspace", "marginBottom" ],
[ newElem("embed"), "border", "borderTopWidth" ],
[ newElem("embed"), "border", "borderRightWidth" ],
[ newElem("embed"), "border", "borderBottomWidth" ],
[ newElem("embed"), "border", "borderLeftWidth" ],
[ newElem("iframe"), "border", "borderTopWidth" ],
[ newElem("iframe"), "border", "borderRightWidth" ],
[ newElem("iframe"), "border", "borderBottomWidth" ],
[ newElem("iframe"), "border", "borderLeftWidth" ],
[ newElem("iframe"), "hspace", "marginLeft" ],
[ newElem("iframe"), "hspace", "marginRight" ],
[ newElem("iframe"), "vspace", "marginTop" ],
[ newElem("iframe"), "vspace", "marginBottom" ],
[ newElem("marquee"), "border", "borderTopWidth" ],
[ newElem("marquee"), "border", "borderRightWidth" ],
[ newElem("marquee"), "border", "borderBottomWidth" ],
[ newElem("marquee"), "border", "borderLeftWidth" ],
// Non-image input
[ newElem("input"), "border", "borderTopWidth" ],
[ newElem("input"), "border", "borderRightWidth" ],
[ newElem("input"), "border", "borderBottomWidth" ],
[ newElem("input"), "border", "borderLeftWidth" ],
[ newElem("input"), "width", "width" ],
[ newElem("input"), "height", "height" ],
[ newElem("input"), "hspace", "marginLeft" ],
[ newElem("input"), "hspace", "marginRight" ],
[ newElem("input"), "vspace", "marginTop" ],
[ newElem("input"), "vspace", "marginBottom" ],
];
function style(element) {
return element.ownerDocument.defaultView.getComputedStyle(element);
}
for (let [ctor, attr, prop] of tests) {
for (let parent of [container, frameContainer]) {
let elem = ctor(parent);
test(function() {
let default_elem = ctor(parent);
this.add_cleanup(() => {
elem.remove();
default_elem.remove();
});
elem.setAttribute(attr, "200");
assert_equals(elem.getAttribute(attr), "200");
assert_equals(style(elem)[prop], style(default_elem)[prop]);
}, `<${elem.localName} ${attr}> should not be mapped to style ${prop} in ${parent.ownerDocument.compatMode} mode`);
}
}
</script>