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