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Bug 1350780 Part 2: Add a test of getComputedStyle with pseudo element styling on an unflowed display:grid element. r=mats

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MozReview-Commit-ID: KEk4cz5bEb0

--HG--
extra : rebase_source : 45a438614ff011bc6d6c4bf13b825c3a99746cd1
This commit is contained in:
Brad Werth 2017-11-13 17:45:29 -08:00
parent 35a17bc67c
commit 6182a6fe8c
2 changed files with 92 additions and 0 deletions
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1
layout/style/test/mochitest.ini
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@ -174,6 +174,7 @@ skip-if = !stylo # This is a stylo test; gecko isn't deterministic here
skip-if = toolkit == 'android'
[test_computed_style.html]
[test_computed_style_bfcache_display_none.html]
[test_computed_style_grid_with_pseudo.html]
[test_computed_style_in_created_document.html]
[test_computed_style_min_size_auto.html]
[test_computed_style_no_flush.html]

91
layout/style/test/test_computed_style_grid_with_pseudo.html Normal file
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@ -0,0 +1,91 @@
<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=1350780
-->
<head>
<title>Test for Bug 1350780</title>
<script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
<style>
#container {
width: 100px;
}
.gridBefore::before {
content: "";
display: grid;
grid-template-columns: auto;
}
.gridBeforeNoContent::before {
display: grid;
grid-template-columns: 40px;
}
</style>
<script type="application/javascript">
SimpleTest.waitForExplicitFinish();
function checkTemplateWithData(data) {
let obj = document.createElement("div");
// We need either a template or an additionalClass.
if (typeof(data.template != "undefined")) {
obj.style.display = "grid";
obj.style.gridTemplateColumns = data.template;
}
if (typeof(data.additionalClass != "undefined")) {
obj.className = data.additionalClass;
}
let container = document.getElementById("container");
container.appendChild(obj);
let computedStyle = getComputedStyle(obj, data.pseudo);
let computedTemplate = computedStyle.getPropertyValue("grid-template-columns");
let message = "Got expected template with pseudo " + data.pseudo;
if (typeof(data.additionalClass != "undefined")) {
message += " with class " + data.additionalClass;
}
message += ".";
is(computedTemplate, data.expected, message);
container.removeChild(obj);
}
function runTest() {
let dataToTest = [
{ template: "40px",
pseudo: "::-moz-selection",
expected: "none"},
{ template: "40px",
pseudo: "::before",
expected: "none" },
{ additionalClass: "gridBefore",
pseudo: "::before",
expected: "100px" },
{ additionalClass: "gridBeforeNoContent",
pseudo: "::before",
expected: "40px" },
];
for (let i = 0; i < dataToTest.length; ++i) {
checkTemplateWithData(dataToTest[i]);
}
SimpleTest.finish();
}
</script>
</head>
<body onload="runTest()">
<div id="container"></div>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1350780">Mozilla Bug 1350780</a>
</body>
</html>