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Diffstat (limited to 'layout/style/test/test_non_matching_sheet_media.html')
| -rw-r--r-- | layout/style/test/test_non_matching_sheet_media.html | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/layout/style/test/test_non_matching_sheet_media.html b/layout/style/test/test_non_matching_sheet_media.html new file mode 100644 index 0000000000..a57444df45 --- /dev/null +++ b/layout/style/test/test_non_matching_sheet_media.html @@ -0,0 +1,30 @@ +<!doctype html> +<!-- https://bugzilla.mozilla.org/show_bug.cgi?id=1386840 --> +<title>Test for Bug 1386840: non-matching media list doesn't block rendering</title> +<link rel="author" title="Emilio Cobos Álvarez" href="mailto:emilio@crisal.io"> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<script> +var t = async_test("Test that <link> doesn't block rendering with non-matching media"); +var loadFired = false; +var scriptExecuted = false; + +function sheetLoaded() { + loadFired = true; + assert_true(scriptExecuted, "Shouldn't wait for load to execute script"); + t.done(); +} +</script> +<!-- + NOTE(emilio): This can theoretically race if an HTTP packet boundary with a + very long delay came right after the link and before the script. If this + ever becomes a problem, the way to fix this is using document.write() as + explained in bug 1386840 comment 12. +--> +<link rel="stylesheet" href="data:text/css,foo {}" media="print" onload="t.step(sheetLoaded)"> +<script> + t.step(function() { + scriptExecuted = true; + assert_false(loadFired, "Shouldn't have waited for load"); + }); +</script> |