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50930a0fa0
PR-URL: https://github.com/nodejs/node/pull/39469 Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
36 lines
909 B
JavaScript
36 lines
909 B
JavaScript
// Copyright 2015 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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Debug = debug.Debug
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var exception = null;
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var break_count = 0;
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function listener(event, exec_state, event_data, data) {
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if (event != Debug.DebugEvent.Break) return;
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try {
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print(event_data.sourceLineText());
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assertTrue(event_data.sourceLineText().indexOf(`Break ${break_count++}.`) > 0);
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exec_state.prepareStep(Debug.StepAction.StepInto);
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} catch (e) {
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exception = e;
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}
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};
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function valueOfCallback() {
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return 2 // Break 2.
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; // Break 3.
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}
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var o = {};
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o.valueOf = valueOfCallback;
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Debug.setListener(listener);
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debugger; // Break 0.
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var result = 1 + o; // Break 1.
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Debug.setListener(null); // Break 4.
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assertEquals(3, result);
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assertNull(exception);
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