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Bug 1371488 part 2 - Add test for this bug. r=emilio

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MozReview-Commit-ID: 3CoYK3JWrnV

--HG--
extra : rebase_source : 29a33f2740302793de004555a4eedd01dd12b8cb
This commit is contained in:
Xidorn Quan 2017-06-13 09:52:02 +10:00
parent f7dbcb1deb
commit 038bfaec4f
2 changed files with 24 additions and 0 deletions
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1
layout/style/test/mochitest.ini
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@ -154,6 +154,7 @@ support-files = file_bug1089417_iframe.html
[test_bug1203766.html]
[test_bug1232829.html]
[test_bug1292447.html]
[test_bug1371488.html]
[test_cascade.html]
[test_ch_ex_no_infloops.html]
[test_change_hint_optimizations.html]

23
layout/style/test/test_bug1371488.html Normal file
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@ -0,0 +1,23 @@
<!DOCTYPE html>
<html>
<head>
<title>Test for bug 1371488</title>
<script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css">
<style id="test">
@import url(non-exist-file.css);
</style>
</head>
<body>
<pre id="log">
<script>
let sheet = document.getElementById("test").sheet;
let rule = sheet.cssRules[0];
ok(rule, "The import rule should not be null even if the file fails to load");
is(rule.type, CSSRule.IMPORT_RULE, "It is the import rule");
ok(rule.styleSheet, "The associated stylesheet should exists as well");
is(rule.styleSheet.cssRules.length, 0, "The stylesheet should be empty");
</script>
</pre>
</body>
</html>