Index: test/mjsunit/es6/debug-stepin-generators.js |
diff --git a/test/mjsunit/es6/debug-stepin-generators.js b/test/mjsunit/es6/debug-stepin-generators.js |
new file mode 100644 |
index 0000000000000000000000000000000000000000..081dfb706333e007c120c5d3988d3b87fe68ff27 |
--- /dev/null |
+++ b/test/mjsunit/es6/debug-stepin-generators.js |
@@ -0,0 +1,45 @@ |
+// Copyright 2014 the V8 project authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+// Flags: --expose-debug-as debug |
+ |
+Debug = debug.Debug |
+var exception = null; |
+var yields = 0; |
+ |
+function listener(event, exec_state, event_data, data) { |
+ if (event != Debug.DebugEvent.Break) return; |
+ try { |
+ var source = exec_state.frame(0).sourceLineText(); |
+ print(source); |
+ if (/stop stepping/.test(source)) return; |
+ if (/yield/.test(source)) yields++; |
+ exec_state.prepareStep(Debug.StepAction.StepIn); |
+ } catch (e) { |
+ print(e, e.stack); |
+ exception = e; |
+ } |
+}; |
+ |
+Debug.setListener(listener); |
+ |
+function* g() { |
+ for (var i = 0; i < 3; ++i) { |
+ yield i; |
+ } |
+} |
+ |
+var i = g(); |
+debugger; |
+for (var num of g()) {} |
+i.next(); |
+ |
+print(); // stop stepping |
+ |
+// Not stepped into. |
+i.next(); |
+i.next(); |
+ |
+assertNull(exception); |
+assertEquals(4, yields); |