File: error-attributes.html

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<!doctype html>
<meta charset=utf-8>
<title>IndexedDB: Error attributes are DOMExceptions</title>
<link rel="help" href="https://w3c.github.io/IndexedDB/#idbrequest">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="support.js"></script>
<script>

indexeddb_test(
    function(t, db) {
        db.createObjectStore('store');
    },
    function(t, db) {
        var tx = db.transaction('store', 'readwrite');
        var store = tx.objectStore('store');
        var r1 = store.add('value', 'key');
        r1.onerror = t.unreached_func('first add should succeed');

        var r2 = store.add('value', 'key');
        r2.onsuccess = t.unreached_func('second add should fail');

        r2.onerror = t.step_func(function() {
            assert_true(r2.error instanceof DOMException);
            assert_equals(r2.error.name, 'ConstraintError');
        });

        tx.oncomplete = t.unreached_func('transaction should not complete');
        tx.onabort = t.step_func(function() {
            assert_true(tx.error instanceof DOMException);
            assert_equals(tx.error.name, 'ConstraintError');
            t.done();
        });
    },
    'IDBRequest and IDBTransaction error properties should be DOMExceptions'
);

</script>