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_ci
164514f5e3Sopenharmony_civar a = 2;
174514f5e3Sopenharmony_ciprint(a == null);
184514f5e3Sopenharmony_ciprint(null == a);
194514f5e3Sopenharmony_ciprint(a == undefined);
204514f5e3Sopenharmony_ciprint(undefined == a);
214514f5e3Sopenharmony_ci
224514f5e3Sopenharmony_civar b = null;
234514f5e3Sopenharmony_ciprint(b == null);
244514f5e3Sopenharmony_ciprint(null == b);
254514f5e3Sopenharmony_ciprint(b == undefined);
264514f5e3Sopenharmony_ciprint(undefined == b);
274514f5e3Sopenharmony_ci
284514f5e3Sopenharmony_civar c = undefined;
294514f5e3Sopenharmony_ciprint(c == null);
304514f5e3Sopenharmony_ciprint(null == c);
314514f5e3Sopenharmony_ciprint(c == undefined);
324514f5e3Sopenharmony_ciprint(undefined == c);