1 files changed, 24 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/debug/Frame-02.js b/js/src/jit-test/tests/debug/Frame-02.js
new file mode 100644
index 000000000..bb569aca4
--- /dev/null
+++ b/js/src/jit-test/tests/debug/Frame-02.js
@@ -0,0 +1,24 @@
+// When the debugger is triggered twice from the same stack frame, the same
+// Debugger.Frame object is passed to the hook both times.
+
+var g = newGlobal();
+var hits, frame;
+var dbg = Debugger(g);
+dbg.onDebuggerStatement = function (f) {
+    if (hits++ == 0)
+        frame = f;
+    else
+        assertEq(f, frame);
+};
+
+hits = 0;
+g.evaluate("debugger; debugger;");
+assertEq(hits, 2);
+
+hits = 0;
+g.evaluate("function f() { debugger; debugger; }  f();");
+assertEq(hits, 2);
+
+hits = 0;
+g.evaluate("eval('debugger; debugger;');");
+assertEq(hits, 2);