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`max_digits10` is the number of decimal digits that the type _can_ represent, in other words, the number of decimal digits needed to disambiguate any two floating point numbers when serialized to a string.
55 lines
1.6 KiB
C++
55 lines
1.6 KiB
C++
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// Copyright Catch2 Authors
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE.txt or copy at
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// https://www.boost.org/LICENSE_1_0.txt)
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// SPDX-License-Identifier: BSL-1.0
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#define CATCH_CONFIG_ENABLE_TUPLE_STRINGMAKER
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#include <catch2/catch_test_macros.hpp>
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#include <tuple>
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TEST_CASE( "tuple<>", "[toString][tuple]" )
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{
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typedef std::tuple<> type;
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CHECK( "{ }" == ::Catch::Detail::stringify(type{}) );
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type value {};
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CHECK( "{ }" == ::Catch::Detail::stringify(value) );
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}
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TEST_CASE( "tuple<int>", "[toString][tuple]" )
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{
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typedef std::tuple<int> type;
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CHECK( "{ 0 }" == ::Catch::Detail::stringify(type{0}) );
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}
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TEST_CASE( "tuple<float,int>", "[toString][tuple]" )
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{
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typedef std::tuple<float,int> type;
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CHECK( "1.5f" == ::Catch::Detail::stringify(float(1.5)) );
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CHECK( "{ 1.5f, 0 }" == ::Catch::Detail::stringify(type{1.5f,0}) );
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}
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TEST_CASE( "tuple<string,string>", "[toString][tuple]" )
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{
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typedef std::tuple<std::string,std::string> type;
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CHECK( "{ \"hello\", \"world\" }" == ::Catch::Detail::stringify(type{"hello","world"}) );
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}
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TEST_CASE( "tuple<tuple<int>,tuple<>,float>", "[toString][tuple]" )
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{
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typedef std::tuple<std::tuple<int>,std::tuple<>,float> type;
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type value { std::tuple<int>{42}, {}, 1.5f };
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CHECK( "{ { 42 }, { }, 1.5f }" == ::Catch::Detail::stringify(value) );
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}
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TEST_CASE( "tuple<nullptr,int,const char *>", "[approvals][toString][tuple]" ) {
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typedef std::tuple<std::nullptr_t,int,const char *> type;
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type value { nullptr, 42, "Catch me" };
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CHECK( "{ nullptr, 42, \"Catch me\" }" == ::Catch::Detail::stringify(value) );
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}
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