| // Copyright 2023 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include<algorithm> |
| #include<tuple> |
| |
| #include"testing/gtest/include/gtest/gtest.h" |
| |
| namespace{ |
| |
| structOneType{ |
| int some_int; |
| }; |
| |
| booloperator<(constOneType& lhs,constOneType& rhs){ |
| return lhs.some_int< rhs.some_int; |
| } |
| |
| structAnotherType{ |
| int some_other_int; |
| }; |
| |
| // Verify libc++ hardening terminates instead of UB with invalid clamp args. |
| TEST(ClampTest,Death){ |
| EXPECT_DEATH_IF_SUPPORTED(std::ignore= std::clamp(3,10,0),""); |
| EXPECT_DEATH_IF_SUPPORTED(std::ignore= std::clamp(3.0,10.0,0.0),""); |
| |
| OneType one_type_0{0}; |
| OneType one_type_3{3}; |
| OneType one_type_10{10}; |
| AnotherType another_type_0{0}; |
| AnotherType another_type_3{3}; |
| AnotherType another_type_10{10}; |
| auto compare_another_type=[](constauto& lhs,constauto& rhs){ |
| return lhs.some_other_int< rhs.some_other_int; |
| }; |
| |
| EXPECT_DEATH_IF_SUPPORTED( |
| std::ignore= std::clamp(one_type_3, one_type_10, one_type_0),""); |
| EXPECT_DEATH_IF_SUPPORTED( |
| std::ignore= std::clamp(another_type_3, another_type_10, another_type_0, |
| compare_another_type), |
| ""); |
| } |
| |
| }// namespace |
