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 15 #include "pw_bytes/suffix.h" 16 17 #include "pw_compilation_testing/negative_compilation.h" 18 #include "pw_polyfill/standard.h" 19 #include "pw_unit_test/framework.h" 20 21 namespace { 22 23 using ::pw::operator""_b; 24 TEST(Suffix,ReturnsByte)25TEST(Suffix, ReturnsByte) { 26 std::byte x = 5_b; 27 EXPECT_EQ(x, std::byte(5)); 28 } 29 30 #if PW_CXX_STANDARD_IS_SUPPORTED(20) 31 #if PW_NC_TEST(Suffix_ErrorsAtCompileTimeOnTooLargeOfValueInCpp20AndAbove) 32 PW_NC_EXPECT("ByteLiteralIsTooLarge"); TEST(Suffix,ErrorsAtCompileTimeOnTooLargeOfValueInCpp20AndAbove)33TEST(Suffix, ErrorsAtCompileTimeOnTooLargeOfValueInCpp20AndAbove) { 34 [[maybe_unused]] std::byte x = 256_b; 35 } 36 #endif // PW_NC_TEST 37 #endif // PW_CXX_STANDARD_IS_SUPPORTED(20) 38 39 } // namespace 40