references.cpp

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/*****************************************************************************
** Includes
*****************************************************************************/
 
#include <gtest/gtest.h>
#include "../../include/ecl/utilities/references.hpp"
 
/*****************************************************************************
** Classes
*****************************************************************************/
 
namespace ecl {
namespace utilities {
namespace tests {
 
class ReferenceDummy {
public:
        int i;
};
 
}}}
 
/*****************************************************************************
** Using
*****************************************************************************/
 
using ecl::ReferenceWrapper;
using ecl::cref;
using ecl::ref;
using ecl::is_reference_wrapper;
using ecl::utilities::tests::ReferenceDummy;
 
/*****************************************************************************
** Tests
*****************************************************************************/
 
TEST(Reference,usage) {
 
    int i = 3;
    ReferenceWrapper<int> wrapper(i);
    int &j = wrapper;
    EXPECT_EQ(j,3);
}
 
TEST(Reference,traits) {
        EXPECT_TRUE(is_reference_wrapper< ReferenceWrapper<int> >::value);
        EXPECT_FALSE(is_reference_wrapper<int>::value);
}
 
TEST(Reference,functions) {
    int i = 3;
    ReferenceWrapper<int> refd = ref(i);
    ReferenceWrapper<int const> crefd = cref(i);
    EXPECT_EQ(3,refd);
    EXPECT_EQ(3,crefd);
}
 
/*****************************************************************************
** Main
*****************************************************************************/
 
int main(int argc, char **argv) {
        testing::InitGoogleTest(&argc,argv);
        return RUN_ALL_TESTS();
}