1/* 2 * Copyright (c) 2023 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16function main(): void { 17 { 18 let a: double = 10.0; 19 let b = -a; 20 assert b == -10.0; 21 22 a = -a; 23 assert a == -10.0; 24 25 let c = +a; 26 assert c == -10.0; 27 assert +c == -10.0; 28 assert -c == 10.0; 29 } 30 31 { 32 let a: int = 20; 33 let b = -a; 34 assert b == -20; 35 36 a = -a; 37 assert a == -20; 38 39 let c = +a; 40 assert c == -20; 41 assert +c == -20; 42 assert -c == 20; 43 } 44 45 { 46 let a: Double = new Double(30.0); 47 let b = -a; 48 assert b == -30.0; 49 50 a = -a; 51 assert a == -30.0; 52 assert a.doubleValue() == -30.0; 53 54 let c = +a; 55 assert c == -30.0; 56 assert +c == -30.0; 57 assert -c == 30.0; 58 } 59 60 { 61 let a: Int = new Int(40); 62 let b = -a; 63 assert b == -40; 64 65 a = -a; 66 assert a == -40; 67 assert a.intValue() == -40; 68 69 let c = +a; 70 assert c == -40; 71 assert +c == -40; 72 assert -c == 40; 73 } 74 75 { 76 let a = -new Int(50); 77 assert a == -50; 78 79 let b = -a; 80 assert b == 50; 81 82 let c = +a; 83 assert c == -50; 84 assert +c == -50; 85 assert -c == 50; 86 } 87 88 { 89 let a = +new Double(60.0); 90 assert a == 60.0; 91 92 let b = -a; 93 assert b == -60.0; 94 95 let c = +a; 96 assert c == 60.0; 97 assert +c == 60.0; 98 assert -c == -60.0; 99 } 100} 101