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// 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, 1);
} 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);
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