1 #define CATCH_CONFIG_ENABLE_CHRONO_STRINGMAKER 2 #include "catch.hpp" 3 4 #include <chrono> 5 #include <cstdint> 6 7 TEST_CASE("Stringifying std::chrono::duration helpers", "[toString][chrono]") { 8 // No literals because we still support c++11 9 auto hour = std::chrono::hours(1); 10 auto minute = std::chrono::minutes(1); 11 auto seconds = std::chrono::seconds(60); 12 auto micro = std::chrono::microseconds(1); 13 auto milli = std::chrono::milliseconds(1); 14 auto nano = std::chrono::nanoseconds(1); 15 REQUIRE(minute == seconds); 16 REQUIRE(hour != seconds); 17 REQUIRE(micro != milli); 18 REQUIRE(nano != micro); 19 } 20 21 TEST_CASE("Stringifying std::chrono::duration with weird ratios", "[toString][chrono]") { 22 std::chrono::duration<int64_t, std::ratio<30>> half_minute(1); 23 std::chrono::duration<int64_t, std::ratio<1, 1000000000000>> pico_second(1); 24 std::chrono::duration<int64_t, std::ratio<1, 1000000000000000>> femto_second(1); 25 std::chrono::duration<int64_t, std::ratio<1, 1000000000000000000>> atto_second(1); 26 REQUIRE(half_minute != femto_second); 27 REQUIRE(pico_second != atto_second); 28 } 29 30 TEST_CASE("Stringifying std::chrono::time_point<system_clock>", "[toString][chrono]") { 31 auto now = std::chrono::system_clock::now(); 32 auto later = now + std::chrono::minutes(2); 33 REQUIRE(now != later); 34 } 35 36 TEST_CASE("Stringifying std::chrono::time_point<Clock>", "[toString][chrono][!nonportable]") { 37 auto now = std::chrono::high_resolution_clock::now(); 38 auto later = now + std::chrono::minutes(2); 39 REQUIRE(now != later); 40 41 auto now2 = std::chrono::steady_clock::now(); 42 auto later2 = now2 + std::chrono::minutes(2); 43 REQUIRE(now2 != later2); 44 } 45