13af6ab5fSopenharmony_ci/* 23af6ab5fSopenharmony_ci * Copyright (c) 2024 Huawei Device Co., Ltd. 33af6ab5fSopenharmony_ci * Licensed under the Apache License, Version 2.0 (the "License"); 43af6ab5fSopenharmony_ci * you may not use this file except in compliance with the License. 53af6ab5fSopenharmony_ci * You may obtain a copy of the License at 63af6ab5fSopenharmony_ci * 73af6ab5fSopenharmony_ci * http://www.apache.org/licenses/LICENSE-2.0 83af6ab5fSopenharmony_ci * 93af6ab5fSopenharmony_ci * Unless required by applicable law or agreed to in writing, software 103af6ab5fSopenharmony_ci * distributed under the License is distributed on an "AS IS" BASIS, 113af6ab5fSopenharmony_ci * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 123af6ab5fSopenharmony_ci * See the License for the specific language governing permissions and 133af6ab5fSopenharmony_ci * limitations under the License. 143af6ab5fSopenharmony_ci */ 153af6ab5fSopenharmony_ci 163af6ab5fSopenharmony_ciclass cls {} 173af6ab5fSopenharmony_ci 183af6ab5fSopenharmony_cilet b : cls | null = null; 193af6ab5fSopenharmony_cilet c : cls = new cls(); 203af6ab5fSopenharmony_ci 213af6ab5fSopenharmony_cifunction foo(arg: cls | null) : void { 223af6ab5fSopenharmony_ci} 233af6ab5fSopenharmony_ci 243af6ab5fSopenharmony_cifunction main(): void { 253af6ab5fSopenharmony_ci foo(b); 263af6ab5fSopenharmony_ci foo(c); 273af6ab5fSopenharmony_ci 283af6ab5fSopenharmony_ci let e : cls | null = null; 293af6ab5fSopenharmony_ci let f : cls = new cls(); 303af6ab5fSopenharmony_ci 313af6ab5fSopenharmony_ci foo(e); 323af6ab5fSopenharmony_ci foo(f); 333af6ab5fSopenharmony_ci 343af6ab5fSopenharmony_ci foo(null); 353af6ab5fSopenharmony_ci foo(new cls()); 363af6ab5fSopenharmony_ci 373af6ab5fSopenharmony_ci assert (b == null && c != null) 383af6ab5fSopenharmony_ci assert (null != c) 393af6ab5fSopenharmony_ci assert (e == null && f != null) 403af6ab5fSopenharmony_ci assert (b == e) 413af6ab5fSopenharmony_ci assert (null == null) 423af6ab5fSopenharmony_ci 433af6ab5fSopenharmony_ci return; 443af6ab5fSopenharmony_ci} 45