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Sprout/libs/variant/test/variant.cpp
bolero-MURAKAMI 9140b68379 fix hash test
2013-02-05 01:02:59 +09:00

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#ifndef SPROUT_LIBS_VARIANT_TEST_VARIANT_CPP
#define SPROUT_LIBS_VARIANT_TEST_VARIANT_CPP
#include <sstream>
#include <sprout/variant.hpp>
#include <testspr/tools.hpp>
namespace testspr {
static void variant_test() {
using namespace sprout;
{
SPROUT_STATIC_CONSTEXPR auto var1 = sprout::variant<int, double>(1.0);
SPROUT_STATIC_CONSTEXPR auto var2 = sprout::variant<int, double>();
// constructor
{
SPROUT_STATIC_CONSTEXPR auto var3 = sprout::variant<int, double>();
TESTSPR_BOTH_ASSERT(var3.which() == 0);
TESTSPR_BOTH_ASSERT(sprout::get<int>(var3) == 0);
}
{
SPROUT_STATIC_CONSTEXPR auto var3 = sprout::variant<int, double>(var1);
TESTSPR_BOTH_ASSERT(var3.which() == 1);
TESTSPR_BOTH_ASSERT(sprout::get<double>(var3) == 1.0);
}
{
SPROUT_STATIC_CONSTEXPR auto var3 = sprout::variant<int, double>(1.0);
TESTSPR_BOTH_ASSERT(var3.which() == 1);
TESTSPR_BOTH_ASSERT(sprout::get<double>(var3) == 1.0);
}
// swap
{
auto var3 = var1;
auto var4 = var2;
var3.swap(var4);
TESTSPR_ASSERT(var3.which() == 0);
TESTSPR_ASSERT(sprout::get<int>(var3) == 0);
TESTSPR_ASSERT(var4.which() == 1);
TESTSPR_ASSERT(sprout::get<double>(var4) == 1.0);
}
{
auto var3 = var1;
auto var4 = var2;
swap(var3, var4);
TESTSPR_ASSERT(var3.which() == 0);
TESTSPR_ASSERT(sprout::get<int>(var3) == 0);
TESTSPR_ASSERT(var4.which() == 1);
TESTSPR_ASSERT(sprout::get<double>(var4) == 1.0);
}
// operator=
{
auto var3 = var2;
var3 = sprout::variant<int, double>(1.0);
TESTSPR_ASSERT(var3.which() == 1);
TESTSPR_ASSERT(sprout::get<double>(var3) == 1.0);
}
{
auto var3 = var2;
var3 = 1.0;
TESTSPR_ASSERT(var3.which() == 1);
TESTSPR_ASSERT(sprout::get<double>(var3) == 1.0);
}
// which
TESTSPR_BOTH_ASSERT(var1.which() == 1);
TESTSPR_BOTH_ASSERT(var2.which() == 0);
// empty
TESTSPR_BOTH_ASSERT(!var1.empty());
TESTSPR_BOTH_ASSERT(!var2.empty());
// operator==
TESTSPR_BOTH_ASSERT(!(var1 == var2));
TESTSPR_BOTH_ASSERT((var1 == sprout::variant<int, double>(1.0)));
// operator!=
TESTSPR_BOTH_ASSERT(var1 != var2);
TESTSPR_BOTH_ASSERT(!(var1 != sprout::variant<int, double>(1.0)));
// operator<
TESTSPR_BOTH_ASSERT(!(var1 < var2));
TESTSPR_BOTH_ASSERT(!(var1 < sprout::variant<int, double>(0.0)));
TESTSPR_BOTH_ASSERT(!(var1 < sprout::variant<int, double>(1.0)));
TESTSPR_BOTH_ASSERT((var1 < sprout::variant<int, double>(2.0)));
TESTSPR_BOTH_ASSERT(!(var1 < sprout::variant<int, double>(0)));
TESTSPR_BOTH_ASSERT(!(var1 < sprout::variant<int, double>(1)));
TESTSPR_BOTH_ASSERT(!(var1 < sprout::variant<int, double>(2)));
// operator>
TESTSPR_BOTH_ASSERT(var1 > var2);
TESTSPR_BOTH_ASSERT((var1 > sprout::variant<int, double>(0.0)));
TESTSPR_BOTH_ASSERT(!(var1 > sprout::variant<int, double>(1.0)));
TESTSPR_BOTH_ASSERT(!(var1 > sprout::variant<int, double>(2.0)));
TESTSPR_BOTH_ASSERT((var1 > sprout::variant<int, double>(0)));
TESTSPR_BOTH_ASSERT((var1 > sprout::variant<int, double>(1)));
TESTSPR_BOTH_ASSERT((var1 > sprout::variant<int, double>(2)));
// operator<=
TESTSPR_BOTH_ASSERT(!(var1 <= var2));
TESTSPR_BOTH_ASSERT(!(var1 <= sprout::variant<int, double>(0.0)));
TESTSPR_BOTH_ASSERT((var1 <= sprout::variant<int, double>(1.0)));
TESTSPR_BOTH_ASSERT((var1 <= sprout::variant<int, double>(2.0)));
TESTSPR_BOTH_ASSERT(!(var1 <= sprout::variant<int, double>(0)));
TESTSPR_BOTH_ASSERT(!(var1 <= sprout::variant<int, double>(1)));
TESTSPR_BOTH_ASSERT(!(var1 <= sprout::variant<int, double>(2)));
// operator>=
TESTSPR_BOTH_ASSERT(var1 >= var2);
TESTSPR_BOTH_ASSERT((var1 >= sprout::variant<int, double>(0.0)));
TESTSPR_BOTH_ASSERT((var1 >= sprout::variant<int, double>(1.0)));
TESTSPR_BOTH_ASSERT(!(var1 >= sprout::variant<int, double>(2.0)));
TESTSPR_BOTH_ASSERT((var1 >= sprout::variant<int, double>(0)));
TESTSPR_BOTH_ASSERT((var1 >= sprout::variant<int, double>(1)));
TESTSPR_BOTH_ASSERT((var1 >= sprout::variant<int, double>(2)));
// get_at
TESTSPR_BOTH_ASSERT(var1.get_at<1>() == 1.0);
TESTSPR_BOTH_ASSERT(var2.get_at<0>() == 0);
{
auto var3 = var1;
TESTSPR_ASSERT(var3.get_at<1>() == 1.0);
}
{
auto var3 = var2;
TESTSPR_ASSERT(var3.get_at<0>() == 0);
}
// get
TESTSPR_BOTH_ASSERT(sprout::get<double>(var1) == 1.0);
TESTSPR_BOTH_ASSERT(sprout::get<int>(var2) == 0);
{
auto var3 = var1;
TESTSPR_ASSERT(sprout::get<double>(var3) == 1.0);
}
{
auto var3 = var2;
TESTSPR_ASSERT(sprout::get<int>(var3) == 0);
}
// apply_visitor
TESTSPR_BOTH_ASSERT(var1.apply_visitor(testspr::x2_visitor<double>()) == 2.0);
TESTSPR_BOTH_ASSERT(var2.apply_visitor(testspr::x2_visitor<double>()) == 0.0);
{
auto var3 = var1;
TESTSPR_ASSERT(var3.apply_visitor(testspr::x2_assign_visitor<double>()) == 2.0);
TESTSPR_ASSERT(var3.which() == 1);
TESTSPR_ASSERT(sprout::get<double>(var3) == 2.0);
}
{
auto var3 = var2;
TESTSPR_ASSERT(var3.apply_visitor(testspr::x2_assign_visitor<double>()) == 0.0);
TESTSPR_ASSERT(var3.which() == 0);
TESTSPR_ASSERT(sprout::get<int>(var3) == 0);
}
// apply_visitor
TESTSPR_BOTH_ASSERT(sprout::apply_visitor(testspr::x2_visitor<double>(), var1) == 2.0);
TESTSPR_BOTH_ASSERT(sprout::apply_visitor(testspr::x2_visitor<double>(), var2) == 0.0);
{
auto var3 = var1;
TESTSPR_ASSERT(sprout::apply_visitor(testspr::x2_assign_visitor<double>(), var3) == 2.0);
TESTSPR_ASSERT(var3.which() == 1);
TESTSPR_ASSERT(sprout::get<double>(var3) == 2.0);
}
{
auto var3 = var2;
TESTSPR_ASSERT(sprout::apply_visitor(testspr::x2_assign_visitor<double>(), var3) == 0.0);
TESTSPR_ASSERT(var3.which() == 0);
TESTSPR_ASSERT(sprout::get<int>(var3) == 0);
}
{
testspr::x2_visitor<double> visitor1 = {};
TESTSPR_BOTH_ASSERT(sprout::apply_visitor(visitor1, var1) == 2.0);
TESTSPR_BOTH_ASSERT(sprout::apply_visitor(visitor1, var2) == 0.0);
}
{
auto var3 = var2;
testspr::x2_assign_visitor<double> visitor1 = {};
TESTSPR_ASSERT(sprout::apply_visitor(visitor1, var3) == 0.0);
TESTSPR_ASSERT(var3.which() == 0);
TESTSPR_ASSERT(sprout::get<int>(var3) == 0);
}
// operator<<
{
std::ostringstream os;
os << var1;
TESTSPR_ASSERT(os.str() == "1");
}
{
std::ostringstream os;
os << var2;
TESTSPR_ASSERT(os.str() == "0");
}
// tuples::get
TESTSPR_BOTH_ASSERT(sprout::tuples::get<1>(var1) == 1.0);
TESTSPR_BOTH_ASSERT(sprout::tuples::get<0>(var2) == 0);
{
auto var3 = var1;
TESTSPR_ASSERT(sprout::tuples::get<1>(var3) == 1.0);
}
{
auto var3 = var2;
TESTSPR_ASSERT(sprout::tuples::get<0>(var3) == 0);
}
// tuple_size
TESTSPR_BOTH_ASSERT(sprout::tuples::tuple_size<decltype(var1)>::value == 2);
// tuple_element
TESTSPR_BOTH_ASSERT((std::is_same<sprout::tuples::tuple_element<0, decltype(var1)>::type, int const>::value));
TESTSPR_BOTH_ASSERT((std::is_same<sprout::tuples::tuple_element<1, decltype(var1)>::type, double const>::value));
// is_variant
TESTSPR_BOTH_ASSERT(sprout::is_variant<decltype(var1)>::value);
TESTSPR_BOTH_ASSERT(!sprout::is_variant<int>::value);
// sprout::to_hash, sprout::hash
{
typedef sprout::variant<int, char> type;
TESTSPR_BOTH_ASSERT(sprout::to_hash(type(1)) == sprout::hash<type>()(type(1)));
TESTSPR_BOTH_ASSERT(sprout::to_hash(type(1)) != sprout::to_hash(type()));
}
}
}
} // namespace testspr
#ifndef TESTSPR_CPP_INCLUDE
# define TESTSPR_TEST_FUNCTION testspr::variant_test
# include <testspr/include_main.hpp>
#endif
#endif // #ifndef SPROUT_LIBS_VARIANT_TEST_VARIANT_CPP
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