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| 1 // Copyright 2016 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 Debug = debug.Debug; |
| 8 var break_count = 0; |
| 9 var exception_count = 0; |
| 10 |
| 11 function assertCount(expected_breaks, expected_exceptions) { |
| 12 assertEquals(expected_breaks, break_count); |
| 13 assertEquals(expected_exceptions, exception_count); |
| 14 } |
| 15 |
| 16 function listener(event, exec_state, event_data, data) { |
| 17 if (event == Debug.DebugEvent.Break) { |
| 18 break_count++; |
| 19 } else if (event == Debug.DebugEvent.Exception) { |
| 20 exception_count++; |
| 21 } |
| 22 } |
| 23 |
| 24 function f(x) { |
| 25 debugger; |
| 26 return x + 1; |
| 27 } |
| 28 |
| 29 function g(x) { |
| 30 try { |
| 31 throw x; |
| 32 } catch (e) { |
| 33 } |
| 34 } |
| 35 |
| 36 Debug.setListener(listener); |
| 37 |
| 38 assertCount(0, 0); |
| 39 f(0); |
| 40 assertCount(1, 0); |
| 41 g(0); |
| 42 assertCount(1, 0); |
| 43 |
| 44 Debug.setBreakOnException(); |
| 45 f(0); |
| 46 assertCount(2, 0); |
| 47 g(0); |
| 48 assertCount(2, 1); |
| 49 |
| 50 Debug.setBreakPoint(f, 1, 0, "x == 1"); |
| 51 f(1); |
| 52 assertCount(3, 1); |
| 53 f(2); |
| 54 assertCount(3, 1); |
| 55 f(1); |
| 56 assertCount(4, 1); |
| 57 |
| 58 Debug.setBreakPoint(f, 1, 0, "x > 0"); |
| 59 f(1); |
| 60 assertCount(5, 1); |
| 61 f(0); |
| 62 assertCount(5, 1); |
| 63 |
| 64 Debug.setBreakPoint(g, 2, 0, "1 == 2"); |
| 65 g(1); |
| 66 assertCount(5, 1); |
| 67 |
| 68 Debug.setBreakPoint(g, 2, 0, "x == 1"); |
| 69 g(1); |
| 70 assertCount(6, 2); |
| 71 g(2); |
| 72 assertCount(6, 2); |
| 73 g(1); |
| 74 assertCount(7, 3); |
| 75 |
| 76 Debug.setBreakPoint(g, 2, 0, "x > 0"); |
| 77 g(1); |
| 78 assertCount(8, 4); |
| 79 g(0); |
| 80 assertCount(8, 4); |
| 81 |
| 82 Debug.clearBreakOnException(); |
| 83 Debug.setListener(null); |
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