Bug 1371488 part 2 - Add test for this bug. r?emilio
MozReview-Commit-ID: 3CoYK3JWrnV
--- a/layout/style/test/mochitest.ini
+++ b/layout/style/test/mochitest.ini
@@ -149,16 +149,17 @@ support-files = file_bug829816.css
[test_bug1055933.html]
support-files = file_bug1055933_circle-xxl.png
[test_bug1089417.html]
support-files = file_bug1089417_iframe.html
[test_bug1112014.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]
[test_clip-path_polygon.html]
[test_color_rounding.html]
[test_compute_data_with_start_struct.html]
skip-if = toolkit == 'android'
[test_computed_style.html]
new file mode 100644
--- /dev/null
+++ b/layout/style/test/test_bug1371488.html
@@ -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>