v8/test/mjsunit/regress/regress-3717.js

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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 --no-lazy
Debug = debug.Debug;
var exception = null;
var break_count = 0;
function f() {
function g(p) {
return 1;
}
g(1);
};
function listener(event, exec_state, event_data, data) {
try {
if (event == Debug.DebugEvent.Break) break_count++;
} catch (e) {
exception = e;
}
}
Debug.setListener(listener);
var bp = Debug.setBreakPoint(f, 2);
f();
Debug.clearBreakPoint(bp);
Debug.setListener(null);
assertEquals(1, break_count);
assertNull(exception);