f1bacf8fff
R=mstarzinger@chromium.org BUG=v8:3225 LOG=N Review URL: https://codereview.chromium.org/207153004 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@20195 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
49 lines
1.2 KiB
JavaScript
49 lines
1.2 KiB
JavaScript
// 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 --harmony-generators
|
|
|
|
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);
|