14514f5e3Sopenharmony_ci/* 24514f5e3Sopenharmony_ci * Copyright (c) 2023 Huawei Device Co., Ltd. 34514f5e3Sopenharmony_ci * Licensed under the Apache License, Version 2.0 (the "License"); 44514f5e3Sopenharmony_ci * you may not use this file except in compliance with the License. 54514f5e3Sopenharmony_ci * You may obtain a copy of the License at 64514f5e3Sopenharmony_ci * 74514f5e3Sopenharmony_ci * http://www.apache.org/licenses/LICENSE-2.0 84514f5e3Sopenharmony_ci * 94514f5e3Sopenharmony_ci * Unless required by applicable law or agreed to in writing, software 104514f5e3Sopenharmony_ci * distributed under the License is distributed on an "AS IS" BASIS, 114514f5e3Sopenharmony_ci * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 124514f5e3Sopenharmony_ci * See the License for the specific language governing permissions and 134514f5e3Sopenharmony_ci * limitations under the License. 144514f5e3Sopenharmony_ci */ 154514f5e3Sopenharmony_cideclare function print(arg:any, arg1?:any):string; 164514f5e3Sopenharmony_ci 174514f5e3Sopenharmony_ciclass cpu { 184514f5e3Sopenharmony_ci public mode: number = 1; 194514f5e3Sopenharmony_ci constructor() { 204514f5e3Sopenharmony_ci this.mode = 4; 214514f5e3Sopenharmony_ci } 224514f5e3Sopenharmony_ci public static add(a: string):number { 234514f5e3Sopenharmony_ci let i : number = 3; 244514f5e3Sopenharmony_ci let b : string = a.substring(3); 254514f5e3Sopenharmony_ci print(b); 264514f5e3Sopenharmony_ci let d : number = b.charCodeAt(4); 274514f5e3Sopenharmony_ci print(a[i]); 284514f5e3Sopenharmony_ci print(b[i]); 294514f5e3Sopenharmony_ci return d; 304514f5e3Sopenharmony_ci } 314514f5e3Sopenharmony_ci} 324514f5e3Sopenharmony_ci 334514f5e3Sopenharmony_cifunction foo(a: string):number { 344514f5e3Sopenharmony_ci let b : string = a.substring(1); 354514f5e3Sopenharmony_ci let d : number = b.charCodeAt(1); 364514f5e3Sopenharmony_ci return d; 374514f5e3Sopenharmony_ci} 384514f5e3Sopenharmony_ci 394514f5e3Sopenharmony_cifunction foo1(a: string):number { 404514f5e3Sopenharmony_ci let i : number = 2; 414514f5e3Sopenharmony_ci let b : string = a.substring(1); 424514f5e3Sopenharmony_ci let d : number = b.charCodeAt(1); 434514f5e3Sopenharmony_ci print(a[i]); 444514f5e3Sopenharmony_ci print(b[i]); 454514f5e3Sopenharmony_ci return d; 464514f5e3Sopenharmony_ci} 474514f5e3Sopenharmony_civar a : string = "12345678901234567890" 484514f5e3Sopenharmony_civar b : string = a.substring(1); 494514f5e3Sopenharmony_ciprint(foo(b)); 504514f5e3Sopenharmony_ciprint(foo1(b)); 514514f5e3Sopenharmony_ciprint(cpu.add(b)); 524514f5e3Sopenharmony_ci 534514f5e3Sopenharmony_ci//this is a case from a fuzz test 544514f5e3Sopenharmony_cilet v0 = 2 >= 1; 554514f5e3Sopenharmony_cilet v1 = "hello" 564514f5e3Sopenharmony_cilet v2 = v1.substring(v0, v1); 574514f5e3Sopenharmony_ciprint(v2) 584514f5e3Sopenharmony_ci 59