1 // Copyright 2023 The Pigweed Authors 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); you may not 4 // use this file except in compliance with the License. You may obtain a copy of 5 // the License at 6 // 7 // https://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 11 // WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the 12 // License for the specific language governing permissions and limitations under 13 // the License. 14 #pragma once 15 16 #if !defined(PW_BUILD_EXPECTED_SOURCE_PATH) || \ 17 !defined(PW_BUILD_EXPECTED_HEADER_PATH) 18 #error "Expected source and header path macros must be defined!" 19 #endif 20 21 namespace pw::build::test { 22 StringsAreEqual(const char * left,const char * right)23constexpr bool StringsAreEqual(const char* left, const char* right) { 24 while (*left == *right && *left != '\0') { 25 left += 1; 26 right += 1; 27 } 28 29 return *left == '\0' && *right == '\0'; 30 } 31 32 static_assert(StringsAreEqual(PW_BUILD_EXPECTED_HEADER_PATH, __FILE__), 33 "The __FILE__ macro should be " PW_BUILD_EXPECTED_HEADER_PATH 34 ", but it is " __FILE__); 35 36 } // namespace pw::build::test 37