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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 debug_step = 0;
var failure = null;
function listener(event, exec_state, event_data, data) {
if (event != Debug.DebugEvent.Break) return;
try {
if (debug_step == 0) {
assertEquals(1, exec_state.frame(0).evaluate('a').value());
assertEquals(3, exec_state.frame(0).evaluate('b').value());
exec_state.frame(0).evaluate("a = 4").value();
debug_step++;
} else {
assertEquals(4, exec_state.frame(0).evaluate('a').value());
assertEquals(3, exec_state.frame(0).evaluate('b').value());
exec_state.frame(0).evaluate("b = 5").value();
}
} catch (e) {
failure = e;
}
}
Debug.setListener(listener);
function* generator(a, b) {
var b = 3; // Shadows a parameter.
debugger;
yield a;
yield b;
debugger;
return b;
}
var foo = generator(1, 2);
assertEquals(4, foo.next().value);
assertEquals(3, foo.next().value);
assertEquals(5, foo.next().value);
assertNull(failure);
Debug.setListener(null);
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