diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/debug/onEnterFrame-01.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/debug/onEnterFrame-01.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,29 @@
+// Basic enterFrame hook tests.
+
+var g = newGlobal();
+var dbg = Debugger(g);
+var type;
+dbg.onEnterFrame = function (frame) {
+    try {
+        assertEq(frame instanceof Debugger.Frame, true);
+        assertEq(frame.live, true);
+        type = frame.type;
+    } catch (exc) {
+        type = "Exception thrown: " + exc;
+    }
+};
+
+function test(f, expected) {
+    type = undefined;
+    f();
+    assertEq(type, expected);
+}
+
+// eval triggers the hook
+test(function () { g.eval("function h() { return 1; }"); }, "eval");
+
+// function calls trigger it
+test(function () { assertEq(g.h(), 1); }, "call");
+
+// global scripts trigger it
+test(function () { g.evaluate("var x = 5;"); assertEq(g.x, 5); }, "global");