xref: /aosp_15_r20/art/runtime/verifier/reg_type_test_utils.h (revision 795d594fd825385562da6b089ea9b2033f3abf5a)
1 /*
2  * Copyright (C) 2024 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #ifndef ART_RUNTIME_VERIFIER_REG_TYPE_TEST_UTILS_H_
18 #define ART_RUNTIME_VERIFIER_REG_TYPE_TEST_UTILS_H_
19 
20 #include "reg_type.h"
21 
22 namespace art HIDDEN {
23 namespace verifier {
24 
25 // Helper class to avoid thread safety analysis errors from gtest's `operator<<`
26 // instantiation for `RegType` not being marked as holding the mutator lock.
27 class RegTypeWrapper {
28  public:
RegTypeWrapper(const RegType & reg_type)29   explicit RegTypeWrapper(const RegType& reg_type) : reg_type_(reg_type) {}
30  private:
31   const RegType& reg_type_;
32   friend std::ostream& operator<<(std::ostream& os, const RegTypeWrapper& rtw);
33 };
34 
35 inline std::ostream& operator<<(std::ostream& os, const RegTypeWrapper& rtw)
36     NO_THREAD_SAFETY_ANALYSIS {
37   return os << rtw.reg_type_;
38 }
39 
40 }  // namespace verifier
41 }  // namespace art
42 
43 #endif  // ART_RUNTIME_VERIFIER_REG_TYPE_TEST_UTILS_H_
44