| <!DOCTYPE html> |
| <title>IDBCursor direction - index</title> |
| <link rel="author" href="mailto:odinho@opera.com" title="Odin Hørthe Omdal"> |
| <link rel=help href="http://dvcs.w3.org/hg/IndexedDB/raw-file/tip/Overview.html#cursor-iteration-operation"> |
| <link rel=assert title='If direction is "next", let found record be the first record in records which satisfy all of the following requirements'> |
| <link rel=assert title="If position is defined, and source is an object store, the record's key is greater than position."> |
| <link rel=assert title='If direction is "prev", let found record be the last record in records which satisfy all of the following requirements'> |
| <link rel=assert title="If position is defined, and source is an object store, the record's key is less than position."> |
| <link rel=assert title="Set cursor's position to found record's key. If source is an index, set cursor's object store position to found record's value."> |
| <link rel=assert title="Set cursor's key to found record's key."> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="support.js"></script> |
| |
| <script> |
| var records = [ "Alice", "Bob", "Bob", "Greg" ]; |
| var cases = [ |
| {dir: 'next', expect: ['Alice:0', 'Bob:1', 'Bob:2', 'Greg:3']}, |
| {dir: 'prev', expect: ['Greg:3', 'Bob:2', 'Bob:1', 'Alice:0']}, |
| {dir: 'nextunique', expect: ['Alice:0', 'Bob:1', 'Greg:3']}, |
| {dir: 'prevunique', expect: ['Greg:3', 'Bob:1', 'Alice:0']}, |
| ]; |
| |
| cases.forEach(function(testcase) { |
| var dir = testcase.dir; |
| var expect = testcase.expect; |
| indexeddb_test( |
| function(t, db, tx) { |
| var objStore = db.createObjectStore("test"); |
| objStore.createIndex("idx", "name"); |
| |
| for (var i = 0; i < records.length; i++) |
| objStore.add({ name: records[i] }, i); |
| }, |
| function(t, db) { |
| var count = 0; |
| var rq = db.transaction("test").objectStore("test").index("idx").openCursor(undefined, dir); |
| rq.onsuccess = t.step_func(function(e) { |
| var cursor = e.target.result; |
| if (!cursor) { |
| assert_equals(count, expect.length, "cursor runs"); |
| t.done(); |
| } |
| assert_equals(cursor.value.name + ":" + cursor.primaryKey, expect[count], "cursor.value"); |
| count++; |
| cursor.continue(); |
| }); |
| rq.onerror = t.step_func(function(e) { |
| e.preventDefault(); |
| e.stopPropagation(); |
| assert_unreached("rq.onerror - " + e.message); |
| }); |
| }, |
| document.title + ' - ' + dir |
| ); |
| }); |
| </script> |
