catch2/projects/SelfTest/ToStringVector.cpp

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#include "catch.hpp"
#include <vector>
// vedctor
TEST_CASE( "vector<int> -> toString", "[toString][vector]" )
{
std::vector<int> vv;
REQUIRE( Catch::toString(vv) == "{ }" );
vv.push_back( 42 );
REQUIRE( Catch::toString(vv) == "{ 42 }" );
vv.push_back( 250 );
REQUIRE( Catch::toString(vv) == "{ 42, 250 }" );
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}
TEST_CASE( "vector<string> -> toString", "[toString][vector]" )
{
std::vector<std::string> vv;
REQUIRE( Catch::toString(vv) == "{ }" );
vv.push_back( "hello" );
REQUIRE( Catch::toString(vv) == "{ \"hello\" }" );
vv.push_back( "world" );
REQUIRE( Catch::toString(vv) == "{ \"hello\", \"world\" }" );
}
#if defined(CATCH_CPP11_OR_GREATER)
#ifdef __clang__
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wc++98-compat"
#endif
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/*
Note: These tests *can* be made to work with C++ < 11, but the
allocator is a lot more work...
*/
namespace {
/* Minimal Allocator */
template<typename T>
struct minimal_allocator {
typedef T value_type;
typedef std::size_t size_type;
T *allocate( size_type n ) {
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return static_cast<T *>( ::operator new( n * sizeof(T) ) );
}
void deallocate( T *p, size_type /*n*/ ) {
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::operator delete( static_cast<void *>(p) );
}
template<typename U>
bool operator==( const minimal_allocator<U>& ) const { return true; }
template<typename U>
bool operator!=( const minimal_allocator<U>& ) const { return false; }
};
}
TEST_CASE( "vector<int,allocator> -> toString", "[toString][vector,allocator]" ) {
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std::vector<int,minimal_allocator<int> > vv;
REQUIRE( Catch::toString(vv) == "{ }" );
vv.push_back( 42 );
REQUIRE( Catch::toString(vv) == "{ 42 }" );
vv.push_back( 250 );
REQUIRE( Catch::toString(vv) == "{ 42, 250 }" );
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}
TEST_CASE( "vec<vec<string,alloc>> -> toString", "[toString][vector,allocator]" ) {
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typedef std::vector<std::string,minimal_allocator<std::string> > inner;
typedef std::vector<inner> vector;
vector v;
REQUIRE( Catch::toString(v) == "{ }" );
v.push_back( inner { "hello" } );
v.push_back( inner { "world" } );
REQUIRE( Catch::toString(v) == "{ { \"hello\" }, { \"world\" } }" );
}
#ifdef __clang__
#pragma clang diagnostic pop
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#endif
#endif // CATCH_CPP11_OR_GREATER