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95 lines
3.4 KiB
C++
95 lines
3.4 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/catch_test_macros.hpp>
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#include <vector>
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#include <array>
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// vector
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TEST_CASE( "vector<int> -> toString", "[toString][vector]" )
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{
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std::vector<int> vv;
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REQUIRE( ::Catch::Detail::stringify(vv) == "{ }" );
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vv.push_back( 42 );
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REQUIRE( ::Catch::Detail::stringify(vv) == "{ 42 }" );
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vv.push_back( 250 );
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REQUIRE( ::Catch::Detail::stringify(vv) == "{ 42, 250 }" );
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}
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TEST_CASE( "vector<string> -> toString", "[toString][vector]" )
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{
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std::vector<std::string> vv;
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REQUIRE( ::Catch::Detail::stringify(vv) == "{ }" );
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vv.emplace_back( "hello" );
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REQUIRE( ::Catch::Detail::stringify(vv) == "{ \"hello\" }" );
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vv.emplace_back( "world" );
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REQUIRE( ::Catch::Detail::stringify(vv) == "{ \"hello\", \"world\" }" );
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}
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namespace {
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/* Minimal Allocator */
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template<typename T>
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struct minimal_allocator {
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using value_type = T;
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using size_type = std::size_t;
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minimal_allocator() = default;
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template <typename U>
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minimal_allocator(const minimal_allocator<U>&) {}
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T *allocate( size_type n ) {
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return static_cast<T *>( ::operator new( n * sizeof(T) ) );
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}
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void deallocate( T *p, size_type /*n*/ ) {
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::operator delete( static_cast<void *>(p) );
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}
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template<typename U>
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bool operator==( const minimal_allocator<U>& ) const { return true; }
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template<typename U>
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bool operator!=( const minimal_allocator<U>& ) const { return false; }
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};
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}
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TEST_CASE( "vector<int,allocator> -> toString", "[toString][vector,allocator]" ) {
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std::vector<int,minimal_allocator<int> > vv;
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REQUIRE( ::Catch::Detail::stringify(vv) == "{ }" );
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vv.push_back( 42 );
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REQUIRE( ::Catch::Detail::stringify(vv) == "{ 42 }" );
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vv.push_back( 250 );
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REQUIRE( ::Catch::Detail::stringify(vv) == "{ 42, 250 }" );
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}
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TEST_CASE( "vec<vec<string,alloc>> -> toString", "[toString][vector,allocator]" ) {
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using inner = std::vector<std::string, minimal_allocator<std::string>>;
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using vector = std::vector<inner>;
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vector v;
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REQUIRE( ::Catch::Detail::stringify(v) == "{ }" );
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v.push_back( inner { "hello" } );
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v.push_back( inner { "world" } );
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REQUIRE( ::Catch::Detail::stringify(v) == "{ { \"hello\" }, { \"world\" } }" );
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}
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// Based on PR by mat-so: https://github.com/catchorg/Catch2/pull/606/files#diff-43562f40f8c6dcfe2c54557316e0f852
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TEST_CASE( "vector<bool> -> toString", "[toString][containers][vector]" ) {
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std::vector<bool> bools;
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REQUIRE( ::Catch::Detail::stringify(bools) == "{ }");
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bools.push_back(true);
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REQUIRE( ::Catch::Detail::stringify(bools) == "{ true }");
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bools.push_back(false);
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REQUIRE( ::Catch::Detail::stringify(bools) == "{ true, false }");
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}
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TEST_CASE( "array<int, N> -> toString", "[toString][containers][array]" ) {
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std::array<int, 0> empty;
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REQUIRE( Catch::Detail::stringify( empty ) == "{ }" );
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std::array<int, 1> oneValue = {{ 42 }};
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REQUIRE( Catch::Detail::stringify( oneValue ) == "{ 42 }" );
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std::array<int, 2> twoValues = {{ 42, 250 }};
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REQUIRE( Catch::Detail::stringify( twoValues ) == "{ 42, 250 }" );
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}
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