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101 lines
3.1 KiB
101 lines
3.1 KiB
// Copyright 2009 the V8 project authors. All rights reserved.
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// Flags: --expose-debug-as debug
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// Get the Debug object exposed from the debug context global object.
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Debug = debug.Debug
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var exception = null;
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// Simple debug event handler which counts the number of breaks hit and steps.
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var break_point_hit_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_point_hit_count++;
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// Continue stepping until returned to bottom frame.
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if (exec_state.frameCount() > 1) {
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exec_state.prepareStep(Debug.StepAction.StepOut);
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}
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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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function BeginTest(name) {
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test_name = name;
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break_point_hit_count = 0;
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exception = null;
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}
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function EndTest(expected_break_point_hit_count) {
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assertEquals(expected_break_point_hit_count, break_point_hit_count, test_name);
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assertNull(exception, test_name);
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test_name = null;
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}
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// Add the debug event listener.
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Debug.setListener(listener);
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var shouldBreak = null;
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function fact(x) {
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if (shouldBreak(x)) {
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debugger;
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}
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if (x < 2) {
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return 1;
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} else {
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return x*fact(x-1);
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}
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}
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BeginTest('Test 1');
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shouldBreak = function(x) { return x == 3; };
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fact(3);
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EndTest(2);
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BeginTest('Test 2');
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shouldBreak = function(x) { return x == 2; };
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fact(3);
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EndTest(3);
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BeginTest('Test 3');
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shouldBreak = function(x) { return x == 1; };
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fact(3);
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EndTest(4);
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BeginTest('Test 4');
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shouldBreak = function(x) { return x == 1 || x == 3; };
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fact(3);
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EndTest(5);
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// Get rid of the debug event listener.
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Debug.setListener(null);
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