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<!DOCTYPE html>
<title>IDBObjectStore.openKeyCursor()</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="support.js"></script>
<script>
function store_test(func, name) {
indexeddb_test(
function(t, db, tx) {
var store = db.createObjectStore("store");
for (var i = 0; i < 10; ++i) {
store.put("value: " + i, i);
}
},
function(t, db) {
var tx = db.transaction("store");
var store = tx.objectStore("store");
func(t, db, tx, store);
}, name);
}
store_test(function(t, db, tx, store) {
var expected = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9];
var actual = [];
var request = store.openKeyCursor();
request.onsuccess = t.step_func(function() {
var cursor = request.result;
if (!cursor)
return;
assert_equals(cursor.direction, "next");
assert_false("value" in cursor);
assert_equals(indexedDB.cmp(cursor.key, cursor.primaryKey), 0);
actual.push(cursor.key);
cursor.continue();
});
tx.onabort = t.unreached_func("transaction aborted");
tx.oncomplete = t.step_func(function() {
assert_array_equals(expected, actual, "keys should match");
t.done();
});
}, "IDBObjectStore.openKeyCursor() - forward iteration");
store_test(function(t, db, tx, store) {
var expected = [9, 8, 7, 6, 5, 4, 3, 2, 1, 0];
var actual = [];
var request = store.openKeyCursor(null, "prev");
request.onsuccess = t.step_func(function() {
var cursor = request.result;
if (!cursor)
return;
assert_equals(cursor.direction, "prev");
assert_false("value" in cursor);
assert_equals(indexedDB.cmp(cursor.key, cursor.primaryKey), 0);
actual.push(cursor.key);
cursor.continue();
});
tx.onabort = t.unreached_func("transaction aborted");
tx.oncomplete = t.step_func(function() {
assert_array_equals(expected, actual, "keys should match");
t.done();
});
}, "IDBObjectStore.openKeyCursor() - reverse iteration");
store_test(function(t, db, tx, store) {
var expected = [4, 5, 6];
var actual = [];
var request = store.openKeyCursor(IDBKeyRange.bound(4, 6));
request.onsuccess = t.step_func(function() {
var cursor = request.result;
if (!cursor)
return;
assert_equals(cursor.direction, "next");
assert_false("value" in cursor);
assert_equals(indexedDB.cmp(cursor.key, cursor.primaryKey), 0);
actual.push(cursor.key);
cursor.continue();
});
tx.onabort = t.unreached_func("transaction aborted");
tx.oncomplete = t.step_func(function() {
assert_array_equals(expected, actual, "keys should match");
t.done();
});
}, "IDBObjectStore.openKeyCursor() - forward iteration with range");
store_test(function(t, db, tx, store) {
var expected = [6, 5, 4];
var actual = [];
var request = store.openKeyCursor(IDBKeyRange.bound(4, 6), "prev");
request.onsuccess = t.step_func(function() {
var cursor = request.result;
if (!cursor)
return;
assert_equals(cursor.direction, "prev");
assert_false("value" in cursor);
assert_equals(indexedDB.cmp(cursor.key, cursor.primaryKey), 0);
actual.push(cursor.key);
cursor.continue();
});
tx.onabort = t.unreached_func("transaction aborted");
tx.oncomplete = t.step_func(function() {
assert_array_equals(expected, actual, "keys should match");
t.done();
});
}, "IDBObjectStore.openKeyCursor() - reverse iteration with range");
store_test(function(t, db, tx, store) {
assert_throws_dom("DataError", function() { store.openKeyCursor(NaN); },
"openKeyCursor should throw on invalid number key");
assert_throws_dom("DataError", function() { store.openKeyCursor(new Date(NaN)); },
"openKeyCursor should throw on invalid date key");
assert_throws_dom("DataError", function() {
var cycle = [];
cycle.push(cycle);
store.openKeyCursor(cycle);
}, "openKeyCursor should throw on invalid array key");
assert_throws_dom("DataError", function() { store.openKeyCursor({}); },
"openKeyCursor should throw on invalid key type");
setTimeout(t.step_func(function() {
assert_throws_dom("TransactionInactiveError", function() { store.openKeyCursor(); },
"openKeyCursor should throw if transaction is inactive");
t.done();
}), 0);
}, "IDBObjectStore.openKeyCursor() - invalid inputs");
</script>
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