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| 1 // Copyright 2014 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 --allow-natives-syntax | |
| 6 | |
| 7 var Debug = debug.Debug; | |
| 8 var listenerComplete = false; | |
| 9 var exception = null; | |
| 10 var count = 0; | |
| 11 var log = []; | |
| 12 var done = false; | |
| 13 | |
| 14 function LogX(x) { | |
| 15 var stored_count = count; | |
| 16 return function() { | |
| 17 log.push(`[${stored_count}] ${x}`); | |
| 18 }; | |
| 19 } | |
| 20 | |
| 21 function DebuggerStatement() { | |
| 22 log.push(`[${count}] debugger`); | |
| 23 if (count++ < 3) { | |
| 24 debugger; | |
| 25 } | |
| 26 } | |
| 27 | |
| 28 function listener(event, exec_state, event_data, data) { | |
| 29 if (event != Debug.DebugEvent.Break) return; | |
| 30 try { | |
| 31 var p = Promise.resolve(); | |
| 32 var q = p.then(LogX("then 1")); | |
| 33 p.then(LogX("then 2")); | |
| 34 q.then(LogX("then 3")); | |
| 35 q.then(DebuggerStatement); | |
| 36 var r = q.then(() => { throw 1; }); | |
| 37 r.catch(LogX("catch")); | |
| 38 listenerComplete = true; | |
| 39 } catch (e) { | |
| 40 exception = e; | |
| 41 print(e, e.stack); | |
| 42 quit(1); | |
| 43 }; | |
| 44 }; | |
| 45 | |
| 46 // Add the debug event listener. | |
| 47 Debug.setListener(listener); | |
| 48 | |
| 49 DebuggerStatement(); | |
| 50 LogX("start")(); | |
| 51 | |
| 52 // Make sure that the debug event listener was invoked. | |
| 53 assertTrue(listenerComplete); | |
| 54 | |
| 55 %RunMicrotasks(); | |
| 56 | |
| 57 var expectation = | |
| 58 [ "[0] debugger", "[1] start", "[1] then 1", | |
| 59 "[1] then 2", "[1] then 3", "[1] debugger", | |
| 60 "[2] then 1", "[2] then 2", "[1] catch", | |
| 61 "[2] then 3", "[2] debugger", "[3] then 1", | |
| 62 "[3] then 2", "[2] catch", "[3] then 3", | |
| 63 "[3] debugger", "[3] catch", | |
| 64 ]; | |
| 65 | |
| 66 assertEquals(expectation, log); | |
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