зеркало из https://github.com/mozilla/gecko-dev.git
66 строки
2.3 KiB
HTML
66 строки
2.3 KiB
HTML
<!DOCTYPE html>
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<title>IDBCursor.continue() - index - attempt to iterate to the next record when the direction is set for the previous record</title>
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<link rel="author" title="Microsoft" href="http://www.microsoft.com">
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<link rel=help href="http://dvcs.w3.org/hg/IndexedDB/raw-file/tip/Overview.html#widl-IDBCursor-continue-void-any-key">
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<link rel=assert title="The parameter is greater than or equal to this cursor's position and this cursor's direction is 'prev' or 'prevunique'.">
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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 db,
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t = async_test(),
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records = [ { pKey: "primaryKey_0", iKey: "indexKey_0" },
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{ pKey: "primaryKey_1", iKey: "indexKey_1" },
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{ pKey: "primaryKey_2", iKey: "indexKey_2" } ];
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var open_rq = createdb(t);
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open_rq.onupgradeneeded = function(e) {
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db = e.target.result;
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var objStore = db.createObjectStore("test", { keyPath: "pKey" });
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objStore.createIndex("index", "iKey");
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for (var i = 0; i < records.length; i++)
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objStore.add(records[i]);
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};
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open_rq.onsuccess = function(e) {
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var count = 0,
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cursor_rq = db.transaction("test")
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.objectStore("test")
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.index("index")
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.openCursor(undefined, "prev"); // XXX Fx issues w undefined
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cursor_rq.onsuccess = t.step_func(function(e) {
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var cursor = e.target.result,
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record = cursor.value;
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switch(count) {
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case 0:
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assert_equals(record.pKey, records[2].pKey, "first pKey");
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assert_equals(record.iKey, records[2].iKey, "first iKey");
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cursor.continue();
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break;
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case 1:
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assert_equals(record.pKey, records[1].pKey, "second pKey");
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assert_equals(record.iKey, records[1].iKey, "second iKey");
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assert_throws("DataError",
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function() { cursor.continue("indexKey_2"); });
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t.done();
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break;
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default:
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assert_unreached("Unexpected count value: " + count);
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}
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count++;
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});
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};
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</script>
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<div id="log"></div>
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