| // Copyright 2017 the V8 project authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // Flags: --harmony-promise-finally |
| |
| Debug = debug.Debug |
| |
| var exception = null; |
| var step = 0; |
| |
| function listener(event, exec_state, event_data, data) { |
| if (event != Debug.DebugEvent.Exception) return; |
| try { |
| var line = exec_state.frame(0).sourceLineText(); |
| var match = /Exception/.exec(line); |
| assertNotNull(match); |
| step++; |
| } catch (e) { |
| exception = e; |
| } |
| } |
| |
| // Caught throw, events on any exception. |
| Debug.setListener(listener); |
| Debug.setBreakOnException(); |
| |
| var thenable = { |
| get then() { |
| throw new Error('err'); // Exception |
| } |
| }; |
| |
| var caughtException = null; |
| |
| Promise.resolve() |
| .finally(() => thenable) |
| .catch(e => caughtException = e); |
| |
| %RunMicrotasks(); |
| |
| Debug.setListener(null); |
| Debug.clearBreakOnException(); |
| assertNull(exception); |
| assertNotNull(caughtException); |
| assertEquals(1, step); |