idbcursor_delete_objectstore.htm

Enable keyboard shortcuts

This WPT test may be referenced by the following Test IDs:
- /IndexedDB/idbcursor_delete_objectstore.htm - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<title>IDBCursor.delete() - object store - remove a record from the object store </title>

<link rel="author" title="Microsoft" href="http://www.microsoft.com">

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

<script src="resources/support.js"></script>

<script>

    var db,

      count = 0,

      t = async_test(),

      records = [ { pKey: "primaryKey_0" },

                  { pKey: "primaryKey_1" } ];

    var open_rq = createdb(t);

    open_rq.onupgradeneeded = function(e) {

        db = e.target.result;

        var objStore = db.createObjectStore("test", { keyPath: "pKey" });

        for (var i = 0; i < records.length; i++)

            objStore.add(records[i]);

};

    open_rq.onsuccess = t.step_func(CursorDeleteRecord);

    function CursorDeleteRecord(e) {

        var txn = db.transaction("test", "readwrite", {durability: 'relaxed'}),

          cursor_rq = txn.objectStore("test").openCursor();

        cursor_rq.onsuccess = t.step_func(function(e) {

            var cursor = e.target.result;

            assert_true(cursor != null, "cursor exist");

            cursor.delete();

});

        txn.oncomplete = t.step_func(VerifyRecordWasDeleted);

    function VerifyRecordWasDeleted(e) {

        var cursor_rq = db.transaction("test", "readonly", {durability: 'relaxed'})

                          .objectStore("test")

                          .openCursor();

        cursor_rq.onsuccess = t.step_func(function(e) {

            var cursor = e.target.result;

            if (!cursor) {

                assert_equals(count, 1, 'count');

                t.done();

            assert_equals(cursor.value.pKey, records[1].pKey);

            count++;

            cursor.continue();

});

</script>

<div id="log"></div>