blob: cee8eb0471699a452a43b82a024cbca4582498c4 [file] [log] [blame]
// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
import "package:expect/expect.dart";
// Test that Null inherits properties from Object.
main() {
var x;
Expect.isTrue(x is Object?);
Expect.isTrue(x is! Object);
Expect.isTrue(x is dynamic);
Expect.isTrue(x is! String);
Expect.isTrue(x is! int);
// These shouldn't throw.
// operator== is inherited from Object. It's the same as identical.
// It's not really testable.
Expect.isTrue(identical(x, null));
Expect.isTrue(x == null);
// Methods can be closurized and yields the same result.
var ts = x.toString;
Expect.equals(null.toString(), ts());
// noSuchMethod is tested in null_nosuchmethod_test.dart.