57 lines
1.2 KiB
JavaScript
57 lines
1.2 KiB
JavaScript
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// Copyright 2014 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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function f() {
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var a = 1;
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var b = 2;
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return a + b;
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}
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var exception = null;
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var break_count = 0;
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var throw_count = 0;
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function listener(event, exec_state, event_data, data) {
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try {
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if (event == Debug.DebugEvent.Break) {
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break_count++;
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// Disable all breakpoints from within the debug event callback.
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Debug.debuggerFlags().breakPointsActive.setValue(false);
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} else if (event = Debug.DebugEvent.Exception) {
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throw_count++;
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// Enable all breakpoints from within the debug event callback.
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Debug.debuggerFlags().breakPointsActive.setValue(true);
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}
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} catch (e) {
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exception = e;
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}
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}
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Debug = debug.Debug;
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Debug.setListener(listener);
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Debug.setBreakOnException();
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Debug.setBreakPoint(f, 2);
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f();
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f();
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assertEquals(1, break_count);
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assertEquals(0, throw_count);
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// Trigger exception event.
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try { throw 1; } catch (e) {}
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f();
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f();
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Debug.setListener(null);
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Debug.clearBreakOnException();
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Debug.debuggerFlags().breakPointsActive.setValue(true);
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assertEquals(2, break_count);
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assertEquals(1, throw_count);
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assertNull(exception);
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