v8/test/mjsunit/debug-evaluate-locals-capturing.js
yangguo 297daf6c37 [debugger] allow debug-evaluate to change stack and context values.
R=bmeurer@chromium.org, cbruni@chromium.org, ulan@chromium.org
BUG=chromium:124206,chromium:569811
LOG=N

Review URL: https://codereview.chromium.org/1834633003

Cr-Commit-Position: refs/heads/master@{#35145}
2016-03-31 06:00:21 +00:00

49 lines
891 B
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
Debug = debug.Debug
var exception = null;
var break_count = 0;
var f = null;
var i = null;
function listener(event, exec_state, event_data, data) {
try {
if (event == Debug.DebugEvent.Break) {
var frameMirror = exec_state.frame(0);
var i = frameMirror.evaluate('f = function() { i = 5; }, f(), i').value();
assertEquals(5, i);
}
} catch(e) {
exception = e;
print(e, e.stack);
}
};
Debug.setListener(listener);
(function (){
var i = 0;
try {
throw new Error();
} catch (e) {
assertEquals(0, i);
debugger;
assertEquals(5, i);
}
}());
assertNull(exception);
assertNull(i);
f();
assertNull(i);
Debug.setListener(null);