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// Copyright 2015 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;
function listener(event, exec_state, event_data, data) {
if (event != Debug.DebugEvent.Break) return;
try {
print(event_data.sourceLineText());
assertTrue(event_data.sourceLineText().indexOf(`Break ${break_count++}.`) > 0);
exec_state.prepareStep(Debug.StepAction.StepIn);
} catch (e) {
exception = e;
}
};
function valueOfCallback() {
return 2; // Break 2.
} // Break 3.
var o = {};
o.valueOf = valueOfCallback;
Debug.setListener(listener);
debugger; // Break 0.
var result = 1 + o; // Break 1.
Debug.setListener(null); // Break 4.
assertEquals(3, result);
assertNull(exception);