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deps/v8/test/debugger/debug/es8/async-debug-builtin-predictions.js
66 строк
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Michaël Zasso
deps: update V8 to 8.6.395
18 окт 2020, 21:16
Не верифицирован
18 окт 2020, 21:16
a1d639b
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// 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: --ignore-unhandled-promises Debug = debug.Debug var exception = null; 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); } catch (e) { exception = e; } } // Caught throw, events on any exception. Debug.setListener(listener); Debug.setBreakOnException(); var thenable = { get then() { throw new Error(); // Exception } }; class MyPromise extends Promise { get then() { throw new Error(); } } MyPromise.resolve(thenable); var p = Promise.resolve(thenable); async function foo() { return thenable; } foo(); async function foo() { await thenable; } foo(); async function foo() { try { await thenable; } catch (e) {} } foo(); %PerformMicrotaskCheckpoint(); Debug.setListener(null); Debug.clearBreakOnException(); assertNull(exception);