blob: e7a1383de27c7130c9952405585c0a6e406c49dc [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";
main() {
Expect.isTrue(null is Object);
Expect.isTrue(null is Null);
Expect.isFalse(null is int);
Expect.isFalse(null is bool);
Expect.isFalse(null is num);
Expect.isFalse(null is String);
Expect.isFalse(null is List);
Expect.isFalse(null is Expect);
Expect.isFalse(1 is Null);
Expect.isFalse("1" is Null);
Expect.isFalse(true is Null);
Expect.isFalse(false is Null);
Expect.isFalse(new Object() is Null);
testNegative(new Object());
test(n) {
// Test where the argument is not a compile-time constant.
Expect.isTrue(n is Object);
Expect.isTrue(n is Null);
Expect.isFalse(n is int);
Expect.isFalse(n is bool);
Expect.isFalse(n is num);
Expect.isFalse(n is String);
Expect.isFalse(n is List);
Expect.isFalse(n is Expect);
testNegative(n) {
Expect.isFalse(n is Null);