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import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo
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<!DOCTYPE html>
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<title>IDBCursor.continue() - index - delete next element, and iterate to it</title>
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<link rel="author" href="mailto:odinho@opera.com" title="Odin Hørthe Omdal">
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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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count = 0,
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t = async_test(document.title, {timeout: 10000}),
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records = [ { pKey: "primaryKey_0", obj: { iKey: "iKey_0" }},
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{ pKey: "primaryKey_1", obj: { iKey: "iKey_1" }},
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{ pKey: "primaryKey_2", obj: { iKey: "iKey_2" }} ],
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expected = [ [ "primaryKey_2", "iKey_2" ],
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[ "primaryKey_0", "iKey_0" ] ];
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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", "obj.iKey"]});
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objStore.createIndex("index", [ "pKey", "obj.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 cursor_rq = db.transaction("test", "readwrite")
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.objectStore("test")
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.index("index")
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.openCursor(null, "prev");
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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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if (!cursor) {
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assert_equals(count, 2, "cursor run count");
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t.done();
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}
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if (count === 0) {
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e.target.source.objectStore.delete(["primaryKey_1", "iKey_1"]);
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}
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assert_array_equals(cursor.key, expected[count], "primary key");
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cursor.continue();
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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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