Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1 | // Copyright 2012 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 | |
| 30 | // Test stepping into callbacks passed to builtin functions. |
| 31 | |
| 32 | Debug = debug.Debug |
| 33 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 34 | var exception = null; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 35 | |
| 36 | function array_listener(event, exec_state, event_data, data) { |
| 37 | try { |
| 38 | if (event == Debug.DebugEvent.Break) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 39 | print(event_data.sourceLineText(), breaks); |
| 40 | assertTrue(event_data.sourceLineText().indexOf(`B${breaks++}`) > 0); |
| 41 | exec_state.prepareStep(Debug.StepAction.StepIn); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 42 | } |
| 43 | } catch (e) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 44 | print(e); |
| 45 | quit(); |
| 46 | exception = e; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 47 | } |
| 48 | }; |
| 49 | |
| 50 | function cb_false(num) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 51 | print("element " + num); // B2 B5 B8 |
| 52 | return false; // B3 B6 B9 |
| 53 | } // B4 B7 B10 |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 54 | |
| 55 | function cb_true(num) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 56 | print("element " + num); // B2 B5 B8 |
| 57 | return true; // B3 B6 B9 |
| 58 | } // B4 B7 B10 |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 59 | |
| 60 | function cb_reduce(a, b) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 61 | print("elements " + a + " and " + b); // B2 B5 |
| 62 | return a + b; // B3 B6 |
| 63 | } // B4 B7 |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 64 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 65 | var a = [1, 2, 3]; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 66 | |
| 67 | var breaks = 0; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 68 | Debug.setListener(array_listener); |
| 69 | debugger; // B0 |
| 70 | a.forEach(cb_true); // B1 |
| 71 | Debug.setListener(null); // B11 |
| 72 | assertNull(exception); |
| 73 | assertEquals(12, breaks); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 74 | |
| 75 | breaks = 0; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 76 | Debug.setListener(array_listener); |
| 77 | debugger; // B0 |
| 78 | a.some(cb_false); // B1 |
| 79 | Debug.setListener(null); // B11 |
| 80 | assertNull(exception); |
| 81 | assertEquals(12, breaks); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 82 | |
| 83 | breaks = 0; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 84 | Debug.setListener(array_listener); |
| 85 | debugger; // B0 |
| 86 | a.every(cb_true); // B1 |
| 87 | Debug.setListener(null); // B11 |
| 88 | assertNull(exception); |
| 89 | assertEquals(12, breaks); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 90 | |
| 91 | breaks = 0; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 92 | Debug.setListener(array_listener); |
| 93 | debugger; // B0 |
| 94 | a.map(cb_true); // B1 |
| 95 | Debug.setListener(null); // B11 |
| 96 | assertNull(exception); |
| 97 | assertEquals(12, breaks); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 98 | |
| 99 | breaks = 0; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 100 | Debug.setListener(array_listener); |
| 101 | debugger; // B0 |
| 102 | a.filter(cb_true); // B1 |
| 103 | Debug.setListener(null); // B11 |
| 104 | assertNull(exception); |
| 105 | assertEquals(12, breaks); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 106 | |
| 107 | breaks = 0; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 108 | Debug.setListener(array_listener); |
| 109 | debugger; // B0 |
| 110 | a.reduce(cb_reduce); // B1 |
| 111 | Debug.setListener(null); // B8 |
| 112 | assertNull(exception); |
| 113 | assertEquals(9, breaks); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 114 | |
| 115 | breaks = 0; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 116 | Debug.setListener(array_listener); |
| 117 | debugger; // B0 |
| 118 | a.reduceRight(cb_reduce); // B1 |
| 119 | Debug.setListener(null); // B8 |
| 120 | assertNull(exception); |
| 121 | assertEquals(9, breaks); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 122 | |
| 123 | |
| 124 | // Test two levels of builtin callbacks: |
| 125 | // Array.forEach calls a callback function, which by itself uses |
| 126 | // Array.forEach with another callback function. |
| 127 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 128 | function cb_true_2(num) { |
| 129 | print("element " + num); // B3 B6 B9 B15 B18 B21 B27 B30 B33 |
| 130 | return true; // B4 B7 B10 B16 B19 B22 B28 B31 B34 |
| 131 | } // B5 B8 B11 B17 B20 B23 B29 B32 B35 |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 132 | |
| 133 | function cb_foreach(num) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 134 | a.forEach(cb_true_2); // B2 B14 B20 B26 |
| 135 | print("back."); // B12 B18 B24 B36 |
| 136 | } // B13 B19 B25 B37 |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 137 | |
| 138 | breaks = 0; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 139 | Debug.setListener(array_listener); |
| 140 | debugger; // B0 |
| 141 | a.forEach(cb_foreach); // B1 |
| 142 | Debug.setListener(null); // B38 |
| 143 | assertNull(exception); |
| 144 | assertEquals(39, breaks); |