1 files changed, 32 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/debug/onNewScript-ExecuteInFrameScriptEnvironment.js b/js/src/jit-test/tests/debug/onNewScript-ExecuteInFrameScriptEnvironment.js
new file mode 100644
index 0000000000..1cc57a9d3b
--- /dev/null
+++ b/js/src/jit-test/tests/debug/onNewScript-ExecuteInFrameScriptEnvironment.js
@@ -0,0 +1,32 @@
+// ExecuteInFrameScriptEnvironment shouldn't create yet another script.
+
+var g = newGlobal({newCompartment: true});
+var g2 = newGlobal({newCompartment: true});
+var dbg = new Debugger(g, g2);
+var log = '';
+var canary = 42;
+
+dbg.onNewScript = function (evalScript) {
+  log += 'e';
+
+  evalScript.setBreakpoint(0, {
+    hit(frame) {
+      log += 'b';
+      assertEq(frame.script, evalScript);
+    }
+  });
+
+  dbg.onNewScript = function (anotherScript) {
+    log += '!';
+  };
+};
+
+dbg.onDebuggerStatement = function (frame) {
+  log += 'd';
+};
+
+assertEq(log, '');
+var evalScope = g.evalReturningScope("canary = 'dead'; let lex = 42; debugger; // nee", g2);
+assertEq(log, 'ebd');
+assertEq(canary, 42);
+assertEq(evalScope.canary, 'dead');