diff -r 000000000000 -r 6474c204b198 browser/devtools/webconsole/test/browser_webconsole_abbreviate_source_url.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/browser/devtools/webconsole/test/browser_webconsole_abbreviate_source_url.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,21 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+// Tests that source URLs are abbreviated properly for display on the right-
+// hand side of the Web Console.
+
+function test() {
+  testAbbreviation("http://example.com/x.js", "x.js");
+  testAbbreviation("http://example.com/foo/bar/baz/boo.js", "boo.js");
+  testAbbreviation("http://example.com/foo/bar/", "bar");
+  testAbbreviation("http://example.com/foo.js?bar=1&baz=2", "foo.js");
+  testAbbreviation("http://example.com/foo/?bar=1&baz=2", "foo");
+
+  finishTest();
+}
+
+function testAbbreviation(aFullURL, aAbbreviatedURL) {
+  is(WebConsoleUtils.abbreviateSourceURL(aFullURL), aAbbreviatedURL, aFullURL +
+     " is abbreviated to " + aAbbreviatedURL);
+}
+