diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/basic/offThreadCompileScript-01.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/basic/offThreadCompileScript-01.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,21 @@
+// Any copyright is dedicated to the Public Domain.
+// http://creativecommons.org/licenses/publicdomain/
+
+// Test off-thread parsing.
+
+load(libdir + 'asserts.js');
+
+if (workerThreadCount() === 0)
+  quit(0);
+
+offThreadCompileScript('Math.sin(Math.PI/2)');
+assertEq(runOffThreadScript(), 1);
+
+offThreadCompileScript('a string which cannot be reduced to the start symbol');
+assertThrowsInstanceOf(runOffThreadScript, SyntaxError);
+
+offThreadCompileScript('smerg;');
+assertThrowsInstanceOf(runOffThreadScript, ReferenceError);
+
+offThreadCompileScript('throw "blerg";');
+assertThrowsValue(runOffThreadScript, 'blerg');