1 files changed, 25 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/debug/Frame-this-04.js b/js/src/jit-test/tests/debug/Frame-this-04.js
new file mode 100644
index 0000000000..9111ac13ff
--- /dev/null
+++ b/js/src/jit-test/tests/debug/Frame-this-04.js
@@ -0,0 +1,25 @@
+// Debugger.Frame.prototype.this in functions, with object values
+
+function classOf(obj) {
+    return Object.prototype.toString.call(obj).match(/^\[object (.*)\]$/)[1];
+}
+
+var g = newGlobal({newCompartment: true});
+var dbg = new Debugger(g);
+var hits = 0;
+dbg.onDebuggerStatement = function (frame) {
+    hits++;
+    assertEq(frame.this instanceof Debugger.Object, true);
+    assertEq(frame.this.class, classOf(Object(g.v)));
+};
+
+g.eval("function f() { debugger; }");
+
+g.eval("v = {}; f.call(v);");
+g.eval("v.f = f; v.f();");
+g.eval("v = new Date; f.call(v);");
+g.eval("v.f = f; v.f();");
+g.eval("v = []; f.call(v);");
+g.eval("Object.prototype.f = f; v.f();");
+g.eval("v = this; f();");
+assertEq(hits, 7);