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| 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); |
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