JezK
Edit File: debug-multiple-breakpoints.js
// Copyright 2008 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 // Simple debug event handler which just counts the number of break points hit. var break_point_hit_count; function listener(event, exec_state, event_data, data) { if (event == Debug.DebugEvent.Break) { break_point_hit_count++; } }; // Add the debug event listener. Debug.setListener(listener); // Test functions function f() {a=1;b=2;}; function g() {f();} function h() {} // This test sets several break points at the same place and checks that // several break points at the same place only makes one debug break event // and that when the last break point is removed no more debug break events // occours. break_point_hit_count = 0; // Set a breakpoint in f. bp1 = Debug.setBreakPoint(f); f(); assertEquals(1, break_point_hit_count); // Set another breakpoint in f at the same place. bp2 = Debug.setBreakPoint(f); f(); assertEquals(2, break_point_hit_count); // Remove one of the break points. Debug.clearBreakPoint(bp1); f(); assertEquals(3, break_point_hit_count); // Remove the second break point. Debug.clearBreakPoint(bp2); f(); assertEquals(3, break_point_hit_count); // Perform the same test using function g (this time removing the break points // in the another order). break_point_hit_count = 0; bp1 = Debug.setBreakPoint(g); g(); assertEquals(1, break_point_hit_count); bp2 = Debug.setBreakPoint(g); g(); assertEquals(2, break_point_hit_count); Debug.clearBreakPoint(bp2); g(); assertEquals(3, break_point_hit_count); Debug.clearBreakPoint(bp1); g(); assertEquals(3, break_point_hit_count); // Finally test with many break points. test_count = 100; bps = new Array(test_count); break_point_hit_count = 0; for (var i = 0; i < test_count; i++) { bps[i] = Debug.setBreakPoint(h); h(); } for (var i = 0; i < test_count; i++) { h(); Debug.clearBreakPoint(bps[i]); } assertEquals(test_count * 2, break_point_hit_count); h(); assertEquals(test_count * 2, break_point_hit_count);