request_bubble-and-capture.any.js (1974B)
1 // META: title=Bubbling and capturing of request events 2 // META: global=window,worker 3 // META: script=resources/support-promises.js 4 // META: script=resources/support.js 5 6 'use strict'; 7 8 async_test(t => { 9 let events = []; 10 11 let open_rq = createdb(t); 12 open_rq.onupgradeneeded = 13 function(e) { 14 let db = e.target.result; 15 let txn = e.target.transaction; 16 let store = db.createObjectStore('s'); 17 let rq1 = store.add('', 1); 18 let rq2 = store.add('', 1); 19 db.onerror = function() {}; 20 21 log_request(' db', db); 22 log_request('txn', txn); 23 log_request('rq1', rq1); 24 log_request('rq2', rq2); 25 26 // Don't let it get to abort 27 db.addEventListener('error', function(e) { 28 e.preventDefault() 29 }, false); 30 } 31 32 open_rq.onsuccess = 33 function(e) { 34 log('open_rq.success')(e); 35 assert_array_equals( 36 events, 37 [ 38 'capture db.success', 'capture txn.success', 'capture rq1.success', 39 'bubble rq1.success', 40 41 'capture db.error: ConstraintError', 42 'capture txn.error: ConstraintError', 43 'capture rq2.error: ConstraintError', 44 'bubble rq2.error: ConstraintError', 45 'bubble txn.error: ConstraintError', 46 'bubble db.error: ConstraintError', 47 48 'open_rq.success' 49 ], 50 'events'); 51 t.done(); 52 } 53 54 55 function log_request(type, obj) { 56 obj.addEventListener('success', log('capture ' + type + '.success'), true); 57 obj.addEventListener('success', log('bubble ' + type + '.success'), false); 58 obj.addEventListener('error', log('capture ' + type + '.error'), true); 59 obj.addEventListener('error', log('bubble ' + type + '.error'), false); 60 } 61 62 function log(msg) { 63 return function(e) { 64 if (e && e.target && e.target.error) 65 events.push(msg + ': ' + e.target.error.name); 66 else 67 events.push(msg); 68 }; 69 } 70 }, 'IndexedDB Request Event Propagation: Bubbling and Capturing');