|  | // Copyright (c) 2017, 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. | 
|  |  | 
|  | // @dart = 2.9 | 
|  |  | 
|  | import "package:expect/expect.dart"; | 
|  |  | 
|  | main() { | 
|  | void test(bool b1, bool b2) { | 
|  | var and1 = b1 && b2; | 
|  | var and2 = b1 & b2; | 
|  | var and3 = b1 ? b2 ? true : false : false; | 
|  | var or1 = b1 || b2; | 
|  | var or2 = b1 | b2; | 
|  | var or3 = b1 ? true : b2 ? true : false; | 
|  | var xor1 = b1 != b2; | 
|  | var xor2 = b1 ^ b2; | 
|  | var xor3 = b1 ? b2 ? false : true : b2 ? true : false; | 
|  | var nb1 = !b1; | 
|  | var nb2 = !b2; | 
|  | Expect.equals(and3, and1); | 
|  | Expect.equals(and3, and2); | 
|  | Expect.equals(or3, or1); | 
|  | Expect.equals(or3, or2); | 
|  | Expect.equals(xor3, xor1); | 
|  | Expect.equals(xor3, xor2); | 
|  | Expect.notEquals(nb1, b1); | 
|  | Expect.notEquals(nb2, b2); | 
|  | } | 
|  |  | 
|  | test(true, false); | 
|  | test(true, true); | 
|  | test(false, true); | 
|  | test(false, false); | 
|  |  | 
|  | Expect.isTrue(true || (throw "unreachable")); | 
|  | Expect.throws(() => false || (throw "unreachable")); | 
|  |  | 
|  | Expect.isFalse(false && (throw "unreachable")); | 
|  | Expect.throws(() => true && (throw "unreachable")); | 
|  |  | 
|  | Expect.throws(() => true | (throw "unreachable")); | 
|  | Expect.throws(() => false | (throw "unreachable")); | 
|  |  | 
|  | Expect.throws(() => true & (throw "unreachable")); | 
|  | Expect.throws(() => false & (throw "unreachable")); | 
|  | } |