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https://github.com/web-platform-tests/wpt
26 December 2018, 22:31:15 UTC
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Tip revision: 43fb02d8f7895c551a4274c54e7dc0cc777537a2 authored by Domenic Denicola on 27 June 2017, 16:07:06 UTC
Remove redundant statements per code review
Tip revision: 43fb02d
idbversionchangeevent.htm 
<!DOCTYPE html>
<title>IDBVersionChangeEvent fired in upgradeneeded, versionchange and deleteDatabase</title>
<link rel="author" href="mailto:odinho@opera.com" title="Odin Hørthe Omdal">
<link rel=help href="http://dvcs.w3.org/hg/IndexedDB/raw-file/tip/Overview.html#versionchange--transaction-steps">
<link rel=assert title="Fire a versionchange event at each object in openDatabases that is open. The event must not be fired on objects which has the closePending flag set. The event must use the IDBVersionChangeEvent interface and have the oldVersion property set to db's version and have the newVersion property set to version.">
<link rel=assert title="Fire a upgradeneeded event targeted at request. The event must use the IDBVersionChangeEvent interface and have the oldVersion property set to old version and have the newVersion property set to version.">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="support.js"></script>

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

<script>

    var db,
        t = async_test(document.title, {timeout: 10000});

    t.step(function() {
        var openrq = indexedDB.open('db', 3);

        openrq.onupgradeneeded = t.step_func(function(e) {
            assert_equals(e.oldVersion, 0, "old version (upgradeneeded)");
            assert_equals(e.newVersion, 3, "new version (upgradeneeded)");
            assert_true(e instanceof IDBVersionChangeEvent, "upgradeneeded instanceof IDBVersionChangeEvent");
        });

        openrq.onsuccess = t.step_func(function(e) {
            db = e.target.result;

            db.onversionchange = t.step_func(function(e) {
                assert_equals(e.oldVersion, 3, "old version (versionchange)");
                assert_equals(e.newVersion, null, "new version (versionchange)");
                assert_true(e instanceof IDBVersionChangeEvent, "versionchange instanceof IDBVersionChangeEvent");
                db.close();
            });

            // Errors
            db.onerror = fail(t, "db.error");
            db.onabort = fail(t, "db.abort");

            setTimeout(t.step_func(deleteDB), 10);
        });

        // Errors
        openrq.onerror = fail(t, "open.error");
        openrq.onblocked = fail(t, "open.blocked");

    });

    function deleteDB (e) {
        var deleterq = indexedDB.deleteDatabase('db');

        deleterq.onsuccess = t.step_func(function(e) {
            assert_equals(e.result, undefined, "result (delete.success for nonexistent db)");
            assert_equals(e.oldVersion, 3, "old version (delete.success)");
            assert_equals(e.newVersion, null, "new version (delete.success)");
            assert_true(e instanceof IDBVersionChangeEvent, "delete.success instanceof IDBVersionChangeEvent");

            setTimeout(deleteNonExistentDB, 10);
        });

        // Errors
        deleterq.onerror = fail(t, "delete.error");
        deleterq.onblocked = fail(t, "delete.blocked");
    }

    function deleteNonExistentDB (e) {
        var deleterq = indexedDB.deleteDatabase('db-does-not-exist');

        deleterq.onsuccess = t.step_func(function(e) {
            assert_equals(e.result, undefined, "result (delete.success for nonexistent db)");
            assert_equals(e.oldVersion, 0, "old version (delete.success for nonexistent db)");
            assert_equals(e.newVersion, null, "new version (delete.success for nonexistent db)");
            assert_true(e instanceof IDBVersionChangeEvent, "delete.success instanceof IDBVersionChangeEvent");

            setTimeout(function() { t.done(); }, 10);
        });

        // Errors
        deleterq.onerror = fail(t, "delete.error");
        deleterq.onblocked = fail(t, "delete.blocked");
    }

</script>
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