| <!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 directions = ["next", "prev", "nextunique", "prevunique"]; |
| var tests = {}; |
| |
| directions.forEach(function(dir) { |
| tests[dir] = async_test(document.title + ' - ' + dir); |
| }); |
| |
| var open_rq = indexedDB.open("testdb-" + new Date().getTime() + Math.random()); |
| |
| open_rq.onupgradeneeded = function(e) { |
| var objStore = e.target.result.createObjectStore("test"); |
| objStore.createIndex("idx", "name"); |
| |
| for (var i = 0; i < records.length; i++) |
| objStore.add({ name: records[i] }, i); |
| }; |
| |
| open_rq.onsuccess = function(e) { |
| var db = e.target.result; |
| db.onerror = fail_helper("db.onerror"); |
| |
| |
| // The tests |
| testdir('next', ['Alice:0', 'Bob:1', 'Bob:2', 'Greg:3']); |
| testdir('prev', ['Greg:3', 'Bob:2', 'Bob:1', 'Alice:0']); |
| testdir('nextunique', ['Alice:0', 'Bob:1', 'Greg:3']); |
| testdir('prevunique', ['Greg:3', 'Bob:1', 'Alice:0']); |
| |
| |
| // Test function |
| function testdir(dir, expect) { |
| var count = 0; |
| var t = tests[dir]; |
| 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); |
| }); |
| } |
| }; |
| |
| // Fail handling |
| function fail_helper(name) { |
| return function() { |
| directions.forEach(function(dir) { |
| tests[dir].step(function() { assert_unreached(name); }); |
| }); |
| }; |
| } |
| open_rq.onblocked = fail_helper('open_rq.onblocked'); |
| open_rq.onerror = fail_helper('open_rq.onerror'); |
| </script> |
| |
| <div id=log> </div> |
