Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1 | // Copyright 2015 the V8 project authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | // Flags: --expose-debug-as debug |
| 6 | |
| 7 | var exception = null; |
| 8 | var Debug = debug.Debug; |
| 9 | var break_count = 0; |
| 10 | |
| 11 | function listener(event, exec_state, event_data, data) { |
| 12 | if (event != Debug.DebugEvent.Break) return; |
| 13 | try { |
| 14 | var source = exec_state.frame(0).sourceLineText(); |
| 15 | print(source); |
| 16 | assertTrue(source.indexOf(`// B${break_count++}`) > 0); |
| 17 | if (source.indexOf("assertEquals") > 0) { |
| 18 | exec_state.prepareStep(Debug.StepAction.StepNext); |
| 19 | } else { |
| 20 | exec_state.prepareStep(Debug.StepAction.StepIn); |
| 21 | } |
| 22 | } catch (e) { |
| 23 | exception = e; |
| 24 | print(e); |
| 25 | } |
| 26 | }; |
| 27 | |
| 28 | Debug.setListener(listener); |
| 29 | |
| 30 | function f() { |
| 31 | var a, b, c, d; |
| 32 | debugger; // B0 |
| 33 | [ // B1 |
| 34 | a, // B2 |
| 35 | b, // B3 |
| 36 | c = 3 // B4 |
| 37 | ] = [1, 2]; |
| 38 | assertEquals({a:1,b:2,c:3}, {a, b, c}); // B5 |
| 39 | |
| 40 | [ // B6 |
| 41 | a, // B7 |
| 42 | [ |
| 43 | b, // B8 |
| 44 | c // B9 |
| 45 | ], |
| 46 | d // B10 |
| 47 | ] = [5, [6, 7], 8]; |
| 48 | assertEquals({a:5,b:6,c:7,d:8}, {a, b, c, d}); // B11 |
| 49 | |
| 50 | [ // B12 |
| 51 | a, // B13 |
| 52 | b, // B14 |
| 53 | ...c // B15 |
| 54 | ] = [1, 2, 3, 4]; |
| 55 | assertEquals({a:1,b:2,c:[3,4]}, {a, b, c}); // B16 |
| 56 | |
| 57 | ({ // B17 |
| 58 | a, // B18 |
| 59 | b, // B19 |
| 60 | c = 7 // B20 |
| 61 | } = {a: 5, b: 6}); |
| 62 | assertEquals({a:5,b:6,c:7}, {a, b, c}); // B21 |
| 63 | |
| 64 | ({ // B22 |
| 65 | a, // B23 |
| 66 | b = return1(), // B24 |
| 67 | c = return1() // B25 |
| 68 | } = {a: 5, b: 6}); |
| 69 | assertEquals({a:5,b:6,c:1}, {a, b, c}); // B28 |
| 70 | |
| 71 | ({ // B29 |
| 72 | x : a, // B30 |
| 73 | y : b, // B31 |
| 74 | z : c = 3 // B32 |
| 75 | } = {x: 1, y: 2}); |
| 76 | assertEquals({a:1,b:2,c:3}, {a, b, c}); // B33 |
| 77 | } // B34 |
| 78 | |
| 79 | function return1() { |
| 80 | return 1; // B26 |
| 81 | } // B27 |
| 82 | |
| 83 | f(); |
| 84 | Debug.setListener(null); // B35 |
| 85 | assertNull(exception); |