diff -r 000000000000 -r 6474c204b198 toolkit/crashreporter/test/unit/test_crash_purevirtual.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/toolkit/crashreporter/test/unit/test_crash_purevirtual.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,24 @@
+function run_test()
+{
+  if (!("@mozilla.org/toolkit/crash-reporter;1" in Components.classes)) {
+    dump("INFO | test_crash_purevirtual.js | Can't test crashreporter in a non-libxul build.\n");
+    return;
+  }
+
+  var isOSX = ("nsILocalFileMac" in Components.interfaces);
+  if (isOSX) {
+     dump("INFO | test_crash_purevirtual.js | TODO: purecalls not caught on OS X\n");
+    return;
+  }
+
+  // Try crashing with a pure virtual call
+  do_crash(function() {
+             crashType = CrashTestUtils.CRASH_PURE_VIRTUAL_CALL;
+             crashReporter.annotateCrashReport("TestKey", "TestValue");
+           },
+           function(mdump, extra) {
+             do_check_eq(extra.TestKey, "TestValue");
+           },
+          // process will exit with a zero exit status
+          true);
+}