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_cifunction foo(a: boolean | undefined) : int {
173af6ab5fSopenharmony_ci    if (a instanceof Boolean) {
183af6ab5fSopenharmony_ci        if (a == false) {
193af6ab5fSopenharmony_ci            return 0;
203af6ab5fSopenharmony_ci        } else {
213af6ab5fSopenharmony_ci            return 1;
223af6ab5fSopenharmony_ci        }
233af6ab5fSopenharmony_ci    } else {
243af6ab5fSopenharmony_ci    //a is undefined
253af6ab5fSopenharmony_ci        if (a == false) {
263af6ab5fSopenharmony_ci            return 0;
273af6ab5fSopenharmony_ci        } else {
283af6ab5fSopenharmony_ci            return 1;
293af6ab5fSopenharmony_ci        }
303af6ab5fSopenharmony_ci    }
313af6ab5fSopenharmony_ci}
323af6ab5fSopenharmony_ci
333af6ab5fSopenharmony_cifunction main() {
343af6ab5fSopenharmony_ci    foo(true);
353af6ab5fSopenharmony_ci    foo(false);
363af6ab5fSopenharmony_ci    foo(undefined);
373af6ab5fSopenharmony_ci}
383af6ab5fSopenharmony_ci
393af6ab5fSopenharmony_ci/* @@? 25:13 Error TypeError: Bad operand type, the types of the operands must be numeric, same enumeration, or boolean type.  */
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