1 files changed, 55 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/debug/Debugger-debuggees-24.js b/js/src/jit-test/tests/debug/Debugger-debuggees-24.js
new file mode 100644
index 000000000..cf554c16a
--- /dev/null
+++ b/js/src/jit-test/tests/debug/Debugger-debuggees-24.js
@@ -0,0 +1,55 @@
+// Turning debugger on for a particular global with on-stack scripts shouldn't
+// make other globals' scripts observable.
+
+var g1 = newGlobal();
+var g2 = newGlobal();
+var g3 = newGlobal();
+
+g1.eval("" + function f() {
+  var name = "f";
+  g();
+  return name;
+});
+g2.eval("" + function g() {
+  var name = "g";
+  h();
+  return name;
+});
+g3.eval("" + function h() {
+  var name = "h";
+  toggle();
+  return name;
+});
+
+g1.g = g2.g;
+g2.h = g3.h;
+
+function name(f) {
+  return f.environment.getVariable("name");
+}
+
+var dbg = new Debugger;
+g3.toggle = function () {
+  var frame;
+
+  // Only f should be visible.
+  dbg.addDebuggee(g1);
+  frame = dbg.getNewestFrame();
+  assertEq(name(frame), "f");
+
+  // Now h should also be visible.
+  dbg.addDebuggee(g3);
+  frame = dbg.getNewestFrame();
+  assertEq(name(frame), "h");
+  assertEq(name(frame.older), "f");
+
+  // Finally everything should be visible.
+  dbg.addDebuggee(g2);
+  frame = dbg.getNewestFrame();
+  assertEq(name(frame), "h");
+  assertEq(name(frame.older), "g");
+  assertEq(name(frame.older.older), "f");
+};
+
+g1.eval("(" + function () { f(); } + ")();");
+