diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/debug/onNewScript-01.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/debug/onNewScript-01.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,45 @@
+// Basic newScript hook tests.
+
+var g = newGlobal();
+var dbg = Debugger(g);
+var seen = WeakMap();
+var hits = 0;
+dbg.onNewScript = function (s) {
+    // Exceptions thrown from onNewScript are swept under the rug, but they
+    // will at least prevent hits from being the expected number.
+    assertEq(s instanceof Debugger.Script, true);
+    assertEq(!seen.has(s), true);
+    seen.set(s, true);
+    hits++;
+};
+
+dbg.uncaughtExceptionHook = function () { hits = -999; };
+
+// eval code
+hits = 0;
+assertEq(g.eval("2 + 2"), 4);
+assertEq(hits, 1);
+
+hits = 0;
+assertEq(g.eval("eval('2 + 3')"), 5);
+assertEq(hits, 2);
+
+// global code
+hits = 0;
+g.evaluate("3 + 4");
+assertEq(hits, 1);
+
+// function code
+hits = 0;
+var fn = g.Function("a", "return 5 + a;");
+assertEq(hits, 1);
+assertEq(fn(8), 13);
+assertEq(hits, 1);
+
+// cloning functions across compartments
+fn = g.evaluate("(function(a) { return 5 + a; })", {compileAndGo: false});
+var g2 = newGlobal();
+dbg.addDebuggee(g2, dbg);
+hits = 0;
+g2.clone(fn);
+assertEq(hits, 1);