|  | <!DOCTYPE html> | 
|  | <title>IDBCursor asyncness</title> | 
|  | <link rel="author" href="mailto:odinho@opera.com" title="Odin Hørthe Omdal"> | 
|  | <script src="/resources/testharness.js"></script> | 
|  | <script src="/resources/testharnessreport.js"></script> | 
|  | <script src="support.js"></script> | 
|  |  | 
|  | <script> | 
|  |  | 
|  | var db, open; | 
|  |  | 
|  | setup(function() { | 
|  | open = indexedDB.open('testdb-' + new Date().getTime()); | 
|  | open.onupgradeneeded = function(e) { | 
|  | db = e.target.result; | 
|  | var objStore = db.createObjectStore("test"); | 
|  | objStore.createIndex("index", ""); | 
|  |  | 
|  | objStore.add("data",  1); | 
|  | objStore.add("data2", 2); | 
|  | }; | 
|  | }, | 
|  | { explicit_done: true }); | 
|  |  | 
|  |  | 
|  | open.onsuccess = function() { | 
|  |  | 
|  |  | 
|  | async_test(document.title + " - advance").step(function(e) { | 
|  | var count = 0; | 
|  | var rq = db.transaction("test").objectStore("test").openCursor(); | 
|  |  | 
|  | rq.onsuccess = this.step_func(function(e) { | 
|  | if (!e.target.result) { | 
|  | assert_equals(count, 2, 'count'); | 
|  | this.done(); | 
|  | return; | 
|  | } | 
|  | var cursor = e.target.result; | 
|  |  | 
|  | switch(count) { | 
|  | case 0: | 
|  | assert_equals(cursor.value, "data") | 
|  | assert_equals(cursor.key, 1) | 
|  | cursor.advance(1) | 
|  | assert_equals(cursor.value, "data") | 
|  | assert_equals(cursor.key, 1) | 
|  | break | 
|  |  | 
|  | case 1: | 
|  | assert_equals(cursor.value, "data2") | 
|  | assert_equals(cursor.key, 2) | 
|  | cursor.advance(1) | 
|  | assert_equals(cursor.value, "data2") | 
|  | assert_equals(cursor.key, 2) | 
|  | break | 
|  |  | 
|  | default: | 
|  | assert_unreached("Unexpected count: " + count) | 
|  | } | 
|  |  | 
|  | count++; | 
|  | }); | 
|  | rq.onerror = fail(this, "unexpected error") | 
|  | }); | 
|  |  | 
|  |  | 
|  | async_test(document.title + " - continue").step(function(e) { | 
|  | var count = 0; | 
|  | var rq = db.transaction("test").objectStore("test").index("index").openCursor(); | 
|  |  | 
|  | rq.onsuccess = this.step_func(function(e) { | 
|  | if (!e.target.result) { | 
|  | assert_equals(count, 2, 'count'); | 
|  | this.done(); | 
|  | return; | 
|  | } | 
|  | var cursor = e.target.result; | 
|  |  | 
|  | switch(count) { | 
|  | case 0: | 
|  | assert_equals(cursor.value, "data") | 
|  | assert_equals(cursor.key,   "data") | 
|  | assert_equals(cursor.primaryKey, 1) | 
|  | cursor.continue("data2") | 
|  | assert_equals(cursor.value, "data") | 
|  | assert_equals(cursor.key,   "data") | 
|  | assert_equals(cursor.primaryKey, 1) | 
|  | break | 
|  |  | 
|  | case 1: | 
|  | assert_equals(cursor.value, "data2") | 
|  | assert_equals(cursor.key,   "data2") | 
|  | assert_equals(cursor.primaryKey, 2) | 
|  | cursor.continue() | 
|  | assert_equals(cursor.value, "data2") | 
|  | assert_equals(cursor.key,   "data2") | 
|  | assert_equals(cursor.primaryKey, 2) | 
|  | break | 
|  |  | 
|  | default: | 
|  | assert_unreached("Unexpected count: " + count) | 
|  | } | 
|  |  | 
|  | count++; | 
|  | }); | 
|  | rq.onerror = fail(this, "unexpected error") | 
|  | }); | 
|  |  | 
|  |  | 
|  | async_test(document.title + " - fresh advance still async").step(function(e) { | 
|  | var count = 0; | 
|  | var rq = db.transaction("test").objectStore("test").index("index").openCursor(); | 
|  |  | 
|  | rq.onsuccess = this.step_func(function(e) { | 
|  | if (!e.target.result) { | 
|  | assert_equals(count, 2, 'count'); | 
|  | this.done(); | 
|  | return; | 
|  | } | 
|  | var cursor = e.target.result; | 
|  | cursor.advance(1) | 
|  |  | 
|  | switch(count) { | 
|  | case 0: | 
|  | assert_equals(cursor.value, "data") | 
|  | assert_equals(cursor.key,   "data") | 
|  | assert_equals(cursor.primaryKey, 1) | 
|  | break | 
|  |  | 
|  | case 1: | 
|  | assert_equals(cursor.value, "data2") | 
|  | assert_equals(cursor.key,   "data2") | 
|  | assert_equals(cursor.primaryKey, 2) | 
|  | break | 
|  |  | 
|  | default: | 
|  | assert_unreached("Unexpected count: " + count) | 
|  | } | 
|  |  | 
|  | count++; | 
|  | }); | 
|  | rq.onerror = fail(this, "unexpected error") | 
|  | }); | 
|  |  | 
|  |  | 
|  | async_test(document.title + " - fresh continue still async").step(function(e) { | 
|  | var count = 0; | 
|  | var rq = db.transaction("test").objectStore("test").openCursor(); | 
|  |  | 
|  | rq.onsuccess = this.step_func(function(e) { | 
|  | if (!e.target.result) { | 
|  | assert_equals(count, 2, 'count'); | 
|  | this.done(); | 
|  | return; | 
|  | } | 
|  | var cursor = e.target.result; | 
|  | cursor.continue() | 
|  |  | 
|  | switch(count) { | 
|  | case 0: | 
|  | assert_equals(cursor.value, "data") | 
|  | assert_equals(cursor.key, 1) | 
|  | break | 
|  |  | 
|  | case 1: | 
|  | assert_equals(cursor.value, "data2") | 
|  | assert_equals(cursor.key, 2) | 
|  | break | 
|  |  | 
|  | default: | 
|  | assert_unreached("Unexpected count: " + count) | 
|  | } | 
|  |  | 
|  | count++; | 
|  | }); | 
|  | rq.onerror = fail(this, "unexpected error") | 
|  | }); | 
|  |  | 
|  | // Stop blocking the testing system from hereon | 
|  | done(); | 
|  | } | 
|  |  | 
|  | </script> | 
|  |  | 
|  | <div id=log></div> |