v8/test/mjsunit/regress/regress-crbug-409614.js
yangguo@chromium.org efc01f4736 Prevent recursion in the debug event listener.
R=ulan@chromium.org
BUG=chromium:409614
LOG=N

Review URL: https://codereview.chromium.org/684573005

Cr-Commit-Position: refs/heads/master@{#24924}
git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24924 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2014-10-28 09:44:43 +00:00

38 lines
836 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 error_count = 0;
function f() {
return 0; // Break
}
function listener(event, exec_state, event_data, data) {
if (event != Debug.DebugEvent.Break) return;
try {
if (exec_state.frame(0).sourceLineText().indexOf("Break") <0) {
error_count++;
}
exec_state.prepareStep(Debug.StepAction.StepIn, 2);
f(); // We should not break in this call of f().
} catch (e) {
print(e + e.stack);
exception = e;
}
}
Debug.setListener(listener);
debugger; // Break
f();
Debug.setListener(null); // Break
assertNull(exception);
assertEquals(0, error_count);