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 // Test debug events when we only listen to uncaught exceptions and 8 // there is a catch handler for the to-be-rejected Promise. 9 // We expect no Exception debug events, since the default reject handler passes 10 // the rejection on to a user-defined reject handler. 11 12 Debug = debug.Debug; 13 14 var resolve, reject; 15 var p0 = new Promise(function(res, rej) { resolve = res; reject = rej; }); 16 17 var p1 = p0.then(function() { 18 throw new Error(); 19 }); 20 21 var p2 = p1.then(function() { }); 22 var p3 = p2.catch(function() { }); 23 24 var q = new Promise(function(res, rej) { 25 res(); 26 }); 27 28 q.then(function() { 29 resolve(); 30 }) 31 32 33 function listener(event, exec_state, event_data, data) { 34 try { 35 assertTrue(event != Debug.DebugEvent.Exception); 36 } catch (e) { 37 %AbortJS(e + "\n" + e.stack); 38 } 39 } 40 41 Debug.setBreakOnUncaughtException(); 42 Debug.setListener(listener); 43