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hof/test/capture.cpp
2017-03-22 19:46:23 -05:00

91 lines
2.8 KiB
C++

#include <fit/capture.hpp>
#include <fit/identity.hpp>
#include "test.hpp"
FIT_TEST_CASE()
{
FIT_STATIC_TEST_CHECK(fit::capture_basic(1, 2)(binary_class())() == 3);
FIT_TEST_CHECK(fit::capture_basic(1, 2)(binary_class())() == 3);
FIT_STATIC_TEST_CHECK(fit::capture_basic(1)(binary_class())(2) == 3);
FIT_TEST_CHECK(fit::capture_basic(1)(binary_class())(2) == 3);
FIT_STATIC_TEST_CHECK(fit::capture_basic()(binary_class())(1, 2) == 3);
FIT_TEST_CHECK(fit::capture_basic()(binary_class())(1, 2) == 3);
static const int one = 1;
static const int two = 2;
FIT_STATIC_TEST_CHECK(fit::capture_forward(one, two)(binary_class())() == 3);
FIT_TEST_CHECK(fit::capture_forward(one, two)(binary_class())() == 3);
FIT_TEST_CHECK(fit::capture_forward(1, 2)(binary_class())() == 3);
FIT_STATIC_TEST_CHECK(fit::capture_forward(one)(binary_class())(two) == 3);
FIT_TEST_CHECK(fit::capture_forward(1)(binary_class())(2) == 3);
FIT_STATIC_TEST_CHECK(fit::capture_forward()(binary_class())(one, two) == 3);
FIT_TEST_CHECK(fit::capture_forward()(binary_class())(one, two) == 3);
FIT_STATIC_TEST_CHECK(fit::capture(1, 2)(binary_class())() == 3);
FIT_TEST_CHECK(fit::capture(1, 2)(binary_class())() == 3);
FIT_STATIC_TEST_CHECK(fit::capture(1)(binary_class())(2) == 3);
FIT_TEST_CHECK(fit::capture(1)(binary_class())(2) == 3);
FIT_STATIC_TEST_CHECK(fit::capture()(binary_class())(1, 2) == 3);
FIT_TEST_CHECK(fit::capture()(binary_class())(1, 2) == 3);
}
struct add_member
{
int i;
add_member(int ip) : i(ip)
{}
int add(int j) const
{
return i + j;
}
};
FIT_TEST_CASE()
{
FIT_TEST_CHECK(fit::capture_basic(add_member(1), 2)(&add_member::add)() == 3);
FIT_TEST_CHECK(fit::capture_basic(add_member(1))(&add_member::add)(2) == 3);
}
FIT_TEST_CASE()
{
auto id = fit::identity;
auto f = fit::capture(fit::identity)(fit::identity);
static_assert(FIT_IS_DEFAULT_CONSTRUCTIBLE(decltype(id)), "Id not default constructible");
static_assert(FIT_IS_DEFAULT_CONSTRUCTIBLE(decltype(f)), "Not default constructible");
f();
}
#if FIT_HAS_NOEXCEPT_DEDUCTION
FIT_TEST_CASE()
{
static_assert(noexcept(fit::capture(fit::identity)(fit::identity)()), "noexcept capture");
static_assert(noexcept(fit::capture_basic(fit::identity)(fit::identity)()), "noexcept capture");
static_assert(noexcept(fit::capture_forward(fit::identity)(fit::identity)()), "noexcept capture");
}
#endif
FIT_TEST_CASE()
{
auto f = fit::capture_basic(fit::identity)(fit::identity);
f();
}
FIT_TEST_CASE()
{
auto f = fit::capture_forward(fit::identity)(fit::identity);
f();
}
FIT_TEST_CASE()
{
auto f = fit::capture(fit::identity)(add_member{1});
static_assert(!fit::is_callable<decltype(f), int>::value, "Not sfinae friendly");
}