Move web-platform-tests to wpt (part 1 of 2)

third_party/WebKit/LayoutTests/imported/web-platform-tests/IndexedDB/support.js

-var databaseName = "database";
-var databaseVersion = 1;
-
-/* Delete created databases
- *
- * Go through each finished test, see if it has an associated database. Close
- * that and delete the database. */
-add_completion_callback(function(tests)
-{
-    for (var i in tests)
-    {
-        if(tests[i].db)
-        {
-            tests[i].db.close();
-            window.indexedDB.deleteDatabase(tests[i].db.name);
-        }
-    }
-});
-
-function fail(test, desc) {
-    return test.step_func(function(e) {
-        if (e && e.message && e.target.error)
-            assert_unreached(desc + " (" + e.target.error.name + ": " + e.message + ")");
-        else if (e && e.message)
-            assert_unreached(desc + " (" + e.message + ")");
-        else if (e && e.target.readyState === 'done' && e.target.error)
-            assert_unreached(desc + " (" + e.target.error.name + ")");
-        else
-            assert_unreached(desc);
-    });
-}
-
-function createdb(test, dbname, version)
-{
-    var rq_open = createdb_for_multiple_tests(dbname, version);
-    return rq_open.setTest(test);
-}
-
-function createdb_for_multiple_tests(dbname, version) {
-    var rq_open,
-        fake_open = {},
-        test = null,
-        dbname = (dbname ? dbname : "testdb-" + new Date().getTime() + Math.random() );
-
-    if (version)
-        rq_open = window.indexedDB.open(dbname, version);
-    else
-        rq_open = window.indexedDB.open(dbname);
-
-    function auto_fail(evt, current_test) {
-        /* Fail handlers, if we haven't set on/whatever/, don't
-         * expect to get event whatever. */
-        rq_open.manually_handled = {}
-
-        rq_open.addEventListener(evt, function(e) {
-            if (current_test !== test) {
-                return;
-            }
-
-            test.step(function() {
-                if (!rq_open.manually_handled[evt]) {
-                    assert_unreached("unexpected open." + evt + " event");
-                }
-
-                if (e.target.result + "" == "[object IDBDatabase]" && !this.db) {
-                    this.db = e.target.result;
-
-                    this.db.onerror = fail(test, "unexpected db.error");
-                    this.db.onabort = fail(test, "unexpected db.abort");
-                    this.db.onversionchange = fail(test, "unexpected db.versionchange");
-                }
-            })
-        })
-        rq_open.__defineSetter__("on" + evt, function(h) {
-            rq_open.manually_handled[evt] = true;
-            if (!h)
-                rq_open.addEventListener(evt, function() {});
-            else
-                rq_open.addEventListener(evt, test.step_func(h));
-        })
-    }
-
-    // add a .setTest method to the DB object
-    Object.defineProperty(rq_open, 'setTest', {
-        enumerable: false,
-        value: function(t) {
-            test = t;
-
-            auto_fail("upgradeneeded", test);
-            auto_fail("success", test);
-            auto_fail("blocked", test);
-            auto_fail("error", test);
-
-            return this;
-        }
-    });
-
-    return rq_open;
-}
-
-function assert_key_equals(actual, expected, description) {
-    assert_equals(indexedDB.cmp(actual, expected), 0, description);
-}