diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/debug/uncaughtExceptionHook-resumption-01.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/debug/uncaughtExceptionHook-resumption-01.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,25 @@
+// uncaughtExceptionHook returns a resumption value.
+
+load(libdir + "asserts.js");
+
+var g = newGlobal();
+var dbg = new Debugger(g);
+var rv;
+dbg.onDebuggerStatement = function () { throw 15; };
+dbg.uncaughtExceptionHook = function (exc) {
+    assertEq(exc, 15);
+    return rv;
+};
+
+// case 1: undefined
+rv = undefined;
+g.eval("debugger");
+
+// case 2: throw
+rv = {throw: 57};
+var result;
+assertThrowsValue(function () { g.eval("debugger"); }, 57);
+
+// case 3: return
+rv = {return: 42};
+assertEq(g.eval("debugger;"), 42);