1 files changed, 51 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/debug/Frame-implementation-02.js b/js/src/jit-test/tests/debug/Frame-implementation-02.js
new file mode 100644
index 0000000000..ebcd65835f
--- /dev/null
+++ b/js/src/jit-test/tests/debug/Frame-implementation-02.js
@@ -0,0 +1,51 @@
+// Test that Ion frames are invalidated by turning on Debugger. Invalidation
+// is unobservable, but we know that Ion scripts cannot handle Debugger
+// handlers, so we test for the handlers being called.
+
+load(libdir + "jitopts.js");
+
+if (!jitTogglesMatch(Opts_Ion2NoOffthreadCompilation))
+  quit();
+
+withJitOptions(Opts_Ion2NoOffthreadCompilation, function () {
+  var g = newGlobal({newCompartment: true});
+  var dbg = new Debugger;
+  var onPopExecuted = false;
+  var breakpointHit = false;
+
+  g.toggle = function toggle(d) {
+    if (d) {
+      dbg.addDebuggee(g);
+
+      var frame1 = dbg.getNewestFrame();
+      assertEq(frame1.implementation, "ion");
+      frame1.onPop = function () {
+        onPopExecuted = true;
+      };
+
+      var frame2 = frame1.older;
+      assertEq(frame2.implementation, "ion");
+      // Offset of |print(42 + 42)|
+      var offset = frame2.script.getLineOffsets(3)[0];
+      frame2.script.setBreakpoint(offset, { hit: function (fr) {
+        assertEq(fr.implementation != "ion", true);
+        breakpointHit = true;
+      }});
+    }
+  };
+
+  g.eval("" + function f(d) {
+    g(d);
+    print(42 + 42);
+  });
+  g.eval("" + function g(d) { toggle(d); });
+
+  g.eval("(" + function test() {
+    for (var i = 0; i < 5; i++)
+      f(false);
+    f(true);
+  } + ")();");
+
+  assertEq(onPopExecuted, true);
+  assertEq(breakpointHit, true);
+});