Iain Merrick | 7568138 | 2010-08-19 15:07:18 +0100 | [diff] [blame] | 1 | // Copyright 2009 the V8 project authors. All rights reserved. |
| 2 | // Redistribution and use in source and binary forms, with or without |
| 3 | // modification, are permitted provided that the following conditions are |
| 4 | // met: |
| 5 | // |
| 6 | // * Redistributions of source code must retain the above copyright |
| 7 | // notice, this list of conditions and the following disclaimer. |
| 8 | // * Redistributions in binary form must reproduce the above |
| 9 | // copyright notice, this list of conditions and the following |
| 10 | // disclaimer in the documentation and/or other materials provided |
| 11 | // with the distribution. |
| 12 | // * Neither the name of Google Inc. nor the names of its |
| 13 | // contributors may be used to endorse or promote products derived |
| 14 | // from this software without specific prior written permission. |
| 15 | // |
| 16 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 17 | // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 18 | // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 19 | // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 20 | // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 21 | // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 22 | // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 23 | // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 24 | // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 25 | // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 26 | // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | |
| 28 | // Flags: --expose-debug-as debug |
| 29 | // Get the Debug object exposed from the debug context global object. |
| 30 | Debug = debug.Debug |
| 31 | |
| 32 | var exception = null; |
Iain Merrick | 7568138 | 2010-08-19 15:07:18 +0100 | [diff] [blame] | 33 | |
| 34 | // Simple debug event handler which counts the number of breaks hit and steps. |
| 35 | var break_point_hit_count = 0; |
| 36 | function listener(event, exec_state, event_data, data) { |
| 37 | try { |
| 38 | if (event == Debug.DebugEvent.Break) { |
| 39 | break_point_hit_count++; |
| 40 | // Continue stepping until returned to bottom frame. |
| 41 | if (exec_state.frameCount() > 1) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 42 | exec_state.prepareStep(Debug.StepAction.StepOut); |
Iain Merrick | 7568138 | 2010-08-19 15:07:18 +0100 | [diff] [blame] | 43 | } |
| 44 | |
| 45 | } |
| 46 | } catch(e) { |
| 47 | exception = e; |
| 48 | } |
| 49 | |
| 50 | }; |
| 51 | |
| 52 | function BeginTest(name) { |
| 53 | test_name = name; |
| 54 | break_point_hit_count = 0; |
| 55 | exception = null; |
| 56 | } |
| 57 | |
| 58 | function EndTest(expected_break_point_hit_count) { |
| 59 | assertEquals(expected_break_point_hit_count, break_point_hit_count, test_name); |
| 60 | assertNull(exception, test_name); |
| 61 | test_name = null; |
| 62 | } |
| 63 | |
| 64 | // Add the debug event listener. |
| 65 | Debug.setListener(listener); |
| 66 | |
| 67 | |
| 68 | var shouldBreak = null; |
| 69 | function fact(x) { |
| 70 | if (shouldBreak(x)) { |
| 71 | debugger; |
| 72 | } |
| 73 | if (x < 2) { |
| 74 | return 1; |
| 75 | } else { |
| 76 | return x*fact(x-1); |
| 77 | } |
| 78 | } |
| 79 | |
| 80 | BeginTest('Test 1'); |
| 81 | shouldBreak = function(x) { return x == 3; }; |
Iain Merrick | 7568138 | 2010-08-19 15:07:18 +0100 | [diff] [blame] | 82 | fact(3); |
| 83 | EndTest(2); |
| 84 | |
| 85 | BeginTest('Test 2'); |
| 86 | shouldBreak = function(x) { return x == 2; }; |
Iain Merrick | 7568138 | 2010-08-19 15:07:18 +0100 | [diff] [blame] | 87 | fact(3); |
| 88 | EndTest(3); |
| 89 | |
| 90 | BeginTest('Test 3'); |
| 91 | shouldBreak = function(x) { return x == 1; }; |
Iain Merrick | 7568138 | 2010-08-19 15:07:18 +0100 | [diff] [blame] | 92 | fact(3); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 93 | EndTest(4); |
Iain Merrick | 7568138 | 2010-08-19 15:07:18 +0100 | [diff] [blame] | 94 | |
| 95 | BeginTest('Test 4'); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 96 | shouldBreak = function(x) { return x == 1 || x == 3; }; |
Iain Merrick | 7568138 | 2010-08-19 15:07:18 +0100 | [diff] [blame] | 97 | fact(3); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 98 | EndTest(5); |
Iain Merrick | 7568138 | 2010-08-19 15:07:18 +0100 | [diff] [blame] | 99 | |
| 100 | // Get rid of the debug event listener. |
| 101 | Debug.setListener(null); |