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