OLD | NEW |
(Empty) | |
| 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 // Flags: --harmony-async-await --allow-natives-syntax |
| 7 |
| 8 var Debug = debug.Debug; |
| 9 |
| 10 function assertEqualsAsync(expected, run, msg) { |
| 11 var actual; |
| 12 var hadValue = false; |
| 13 var hadError = false; |
| 14 var promise = run(); |
| 15 |
| 16 if (typeof promise !== "object" || typeof promise.then !== "function") { |
| 17 throw new MjsUnitAssertionError( |
| 18 "Expected " + run.toString() + |
| 19 " to return a Promise, but it returned " + promise); |
| 20 } |
| 21 |
| 22 promise.then(function(value) { hadValue = true; actual = value; }, |
| 23 function(error) { hadError = true; actual = error; }); |
| 24 |
| 25 assertFalse(hadValue || hadError); |
| 26 |
| 27 %RunMicrotasks(); |
| 28 |
| 29 if (hadError) throw actual; |
| 30 |
| 31 assertTrue( |
| 32 hadValue, "Expected '" + run.toString() + "' to produce a value"); |
| 33 |
| 34 assertEquals(expected, actual, msg); |
| 35 } |
| 36 |
| 37 var break_count = 0; |
| 38 var exception = null; |
| 39 |
| 40 function listener(event, exec_state, event_data, data) { |
| 41 if (event != Debug.DebugEvent.Break) return; |
| 42 try { |
| 43 break_count++; |
| 44 var line = exec_state.frame(0).sourceLineText(); |
| 45 print(line); |
| 46 assertTrue(line.indexOf(`B${break_count}`) > 0); |
| 47 } catch (e) { |
| 48 exception = e; |
| 49 } |
| 50 } |
| 51 |
| 52 |
| 53 async function g() { |
| 54 setbreaks(); |
| 55 throw 1; // B1 |
| 56 } |
| 57 |
| 58 async function f() { |
| 59 try { |
| 60 await g(); |
| 61 } catch (e) {} |
| 62 return 2; // B2 |
| 63 } |
| 64 |
| 65 function setbreaks() { |
| 66 Debug.setListener(listener); |
| 67 Debug.setBreakPoint(g, 2); |
| 68 Debug.setBreakPoint(f, 4); |
| 69 } |
| 70 |
| 71 f(); |
| 72 |
| 73 %RunMicrotasks(); |
| 74 |
| 75 assertEqualsAsync(2, async () => break_count); |
| 76 assertEqualsAsync(null, async () => exception); |
| 77 |
| 78 Debug.setListener(null); |
OLD | NEW |