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98 lines
3.9 KiB
C++
98 lines
3.9 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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#include <catch2/internal/catch_enum_values_registry.hpp>
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#include <catch2/matchers/catch_matchers_vector.hpp>
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#include <catch2/catch_test_macros.hpp>
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#include <catch2/catch_template_test_macros.hpp>
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enum class EnumClass3 { Value1, Value2, Value3, Value4 };
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struct UsesSentinel {
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using const_iterator = int const*;
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using const_sentinel = std::nullptr_t;
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const_iterator begin() const { return nullptr; }
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const_iterator end() const { return nullptr; }
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};
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TEST_CASE( "parseEnums", "[Strings][enums]" ) {
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using namespace Catch::Matchers;
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using Catch::Detail::parseEnums;
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SECTION( "No enums" )
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CHECK_THAT( parseEnums( "" ), Equals( std::vector<Catch::StringRef>{} ) );
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SECTION( "One enum value" ) {
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CHECK_THAT( parseEnums( "ClassName::EnumName::Value1" ),
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Equals(std::vector<Catch::StringRef>{"Value1"} ) );
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CHECK_THAT( parseEnums( "Value1" ),
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Equals( std::vector<Catch::StringRef>{"Value1"} ) );
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CHECK_THAT( parseEnums( "EnumName::Value1" ),
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Equals(std::vector<Catch::StringRef>{"Value1"} ) );
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}
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SECTION( "Multiple enum values" ) {
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CHECK_THAT( parseEnums( "ClassName::EnumName::Value1, ClassName::EnumName::Value2" ),
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Equals( std::vector<Catch::StringRef>{"Value1", "Value2"} ) );
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CHECK_THAT( parseEnums( "ClassName::EnumName::Value1, ClassName::EnumName::Value2, ClassName::EnumName::Value3" ),
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Equals( std::vector<Catch::StringRef>{"Value1", "Value2", "Value3"} ) );
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CHECK_THAT( parseEnums( "ClassName::EnumName::Value1,ClassName::EnumName::Value2 , ClassName::EnumName::Value3" ),
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Equals( std::vector<Catch::StringRef>{"Value1", "Value2", "Value3"} ) );
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}
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}
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TEST_CASE( "Directly creating an EnumInfo" ) {
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using namespace Catch::Detail;
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auto enumInfo = makeEnumInfo( "EnumName", "EnumName::Value1, EnumName::Value2", {0, 1} );
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CHECK( enumInfo->lookup(0) == "Value1" );
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CHECK( enumInfo->lookup(1) == "Value2" );
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CHECK( enumInfo->lookup(3) == "{** unexpected enum value **}" );
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}
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TEST_CASE("Range type with sentinel") {
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CHECK( Catch::Detail::stringify(UsesSentinel{}) == "{ }" );
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}
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TEST_CASE("convertIntoString stringification helper", "[toString][approvals]") {
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using namespace std::string_literals;
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using Catch::Detail::convertIntoString;
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using namespace Catch;
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SECTION("No escaping") {
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CHECK(convertIntoString(""_sr, false) == R"("")"s);
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CHECK(convertIntoString("abcd"_sr, false) == R"("abcd")"s);
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CHECK(convertIntoString("ab\ncd"_sr, false) == "\"ab\ncd\""s);
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CHECK(convertIntoString("ab\r\ncd"_sr, false) == "\"ab\r\ncd\""s);
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CHECK(convertIntoString("ab\"cd"_sr, false) == R"("ab"cd")"s);
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}
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SECTION("Escaping invisibles") {
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CHECK(convertIntoString(""_sr, true) == R"("")"s);
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CHECK(convertIntoString("ab\ncd"_sr, true) == R"("ab\ncd")"s);
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CHECK(convertIntoString("ab\r\ncd"_sr, true) == R"("ab\r\ncd")"s);
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CHECK(convertIntoString("ab\tcd"_sr, true) == R"("ab\tcd")"s);
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CHECK(convertIntoString("ab\fcd"_sr, true) == R"("ab\fcd")"s);
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CHECK(convertIntoString("ab\"cd"_sr, true) == R"("ab"cd")"s);
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}
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}
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TEMPLATE_TEST_CASE( "Stringifying char arrays with statically known sizes",
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"[toString]",
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char,
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signed char,
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unsigned char ) {
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using namespace std::string_literals;
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TestType with_null_terminator[10] = "abc";
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CHECK( ::Catch::Detail::stringify( with_null_terminator ) == R"("abc")"s );
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TestType no_null_terminator[3] = { 'a', 'b', 'c' };
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CHECK( ::Catch::Detail::stringify( no_null_terminator ) == R"("abc")"s );
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}
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