// Copyright 2014 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: --expose-debug-as debug // Test debug events when we listen to all exceptions and // there is a catch handler for the exception thrown in a Promise. // We expect a normal Exception debug event to be triggered. Debug = debug.Debug; var log = []; var step = 0; var p = new Promise(function(resolve, reject) { log.push("resolve"); resolve(); }); var q = p.chain( function() { log.push("throw"); throw new Error("caught"); }); q.catch( function(e) { assertEquals("caught", e.message); }); function listener(event, exec_state, event_data, data) { if (event == Debug.DebugEvent.AsyncTaskEvent) return; try { // Ignore exceptions during startup in stress runs. if (step >= 1) return; assertEquals(["resolve", "end main", "throw"], log); if (event == Debug.DebugEvent.Exception) { assertEquals("caught", event_data.exception().message); assertEquals(undefined, event_data.promise()); assertFalse(event_data.uncaught()); step++; } } catch (e) { // Signal a failure with exit code 1. This is necessary since the // debugger swallows exceptions and we expect the chained function // and this listener to be executed after the main script is finished. print("Unexpected exception: " + e + "\n" + e.stack); quit(1); } } Debug.setBreakOnException(); Debug.setListener(listener); log.push("end main");