mirror of
https://github.com/catchorg/Catch2.git
synced 2024-11-14 01:39:54 +01:00
53864dee7b
MSVC's `std::vector` requires its allocator to have copy constructor from the same allocator kind, but templated over different type.
69 lines
2.1 KiB
C++
69 lines
2.1 KiB
C++
#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 }" );
|
|
}
|
|
|
|
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\" }" );
|
|
}
|
|
|
|
namespace {
|
|
/* Minimal Allocator */
|
|
template<typename T>
|
|
struct minimal_allocator {
|
|
using value_type = T;
|
|
using size_type = std::size_t;
|
|
|
|
minimal_allocator() = default;
|
|
template <typename U>
|
|
minimal_allocator(const minimal_allocator<U>&) {}
|
|
|
|
|
|
T *allocate( size_type n ) {
|
|
return static_cast<T *>( ::operator new( n * sizeof(T) ) );
|
|
}
|
|
void deallocate( T *p, size_type /*n*/ ) {
|
|
::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][c++11][.]" ) {
|
|
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 }" );
|
|
}
|
|
|
|
TEST_CASE( "vec<vec<string,alloc>> -> toString", "[toString][vector,allocator][c++11][.]" ) {
|
|
using inner = std::vector<std::string, minimal_allocator<std::string>>;
|
|
using vector = std::vector<inner>;
|
|
vector v;
|
|
REQUIRE( Catch::toString(v) == "{ }" );
|
|
v.push_back( inner { "hello" } );
|
|
v.push_back( inner { "world" } );
|
|
REQUIRE( Catch::toString(v) == "{ { \"hello\" }, { \"world\" } }" );
|
|
}
|