| <!DOCTYPE html> |
| <title>IDBCursor.continue() - index - iterate using 'prevunique'</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 "prevunique", let temp record be the last record in records which satisfy all of the following requirements:'> |
| <link rel=assert title="If position is defined, the record's key is less than position."> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="support.js"></script> |
| |
| <script> |
| |
| var db, |
| t = async_test(document.title, {timeout: 10000}), |
| records = [ { pKey: "primaryKey_0", iKey: "indexKey_0" }, |
| { pKey: "primaryKey_1", iKey: "indexKey_1" }, |
| { pKey: "primaryKey_1-2", iKey: "indexKey_1" }, |
| { pKey: "primaryKey_2", iKey: "indexKey_2" } ], |
| |
| expected = [ { pKey: "primaryKey_2", iKey: "indexKey_2" }, |
| { pKey: "primaryKey_1", iKey: "indexKey_1" }, |
| { pKey: "primaryKey_0", iKey: "indexKey_0" } ]; |
| |
| var open_rq = createdb(t); |
| open_rq.onupgradeneeded = function(e) { |
| db = e.target.result; |
| var objStore = db.createObjectStore("test", { keyPath: "pKey" }); |
| |
| objStore.createIndex("index", "iKey"); |
| |
| for (var i = 0; i < records.length; i++) |
| objStore.add(records[i]); |
| }; |
| |
| open_rq.onsuccess = function(e) { |
| var count = 0, |
| cursor_rq = db.transaction("test") |
| .objectStore("test") |
| .index("index") |
| .openCursor(undefined, 'prevunique'); |
| |
| cursor_rq.onsuccess = t.step_func(function(e) { |
| if (!e.target.result) { |
| assert_equals(count, expected.length, 'count'); |
| t.done(); |
| return; |
| } |
| var cursor = e.target.result, |
| record = cursor.value; |
| |
| assert_equals(record.pKey, expected[count].pKey, "pKey #" + count); |
| assert_equals(record.iKey, expected[count].iKey, "iKey #" + count); |
| |
| assert_equals(cursor.key, expected[count].iKey, "cursor.key #" + count); |
| assert_equals(cursor.primaryKey, expected[count].pKey, "cursor.primaryKey #" + count); |
| |
| count++; |
| cursor.continue(expected[count] ? expected[count].iKey : undefined); |
| }); |
| }; |
| |
| </script> |
| |
| <div id="log"></div> |
