libcruft-util/tap.ipp

127 lines
3.5 KiB
C++

/*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* Copyright 2015 Danny Robson <danny@nerdcruft.net>
*/
#ifdef __UTIL_TAP_IPP
#error
#endif
#define __UTIL_TAP_IPP
#include "maths.hpp"
#include <cstdlib>
#include <algorithm>
//-----------------------------------------------------------------------------
template <typename... Args>
void
util::TAP::logger::expect (std::function<bool(Args...)> test, Args&&... args, const std::string &msg)
{
expect (test (std::forward<Args> (args)...), msg);
}
//-----------------------------------------------------------------------------
template <typename T, typename U>
void
util::TAP::logger::expect_eq (const T&a, const U &b, const std::string &msg)
{
static const std::function<bool(const T&,const U&)> TEST = [] (const T &t, const U &u) -> bool {
return almost_equal (t, u);
};
expect<const T&, const U&> (TEST, a, b, msg);
}
//-----------------------------------------------------------------------------
template <typename T, typename U>
void
util::TAP::logger::expect_neq (const T&a, const U &b, const std::string &msg)
{
static const std::function<bool(const T&,const U&)> TEST = [] (const T &t, const U &u) -> bool {
return !almost_equal (t, u);
};
expect<const T&, const U&> (TEST, a, b, msg);
}
//-----------------------------------------------------------------------------
#define TAP_TEST(SUFFIX,OP) \
template <typename T, typename U> \
void \
util::TAP::logger::expect_ ## SUFFIX (const T &a, \
const U &b, \
const std::string &msg) \
{ \
static const std::function< \
bool(const T&,const U&) \
> TEST = [] (const T&t, const U&u) { return t OP u; }; \
expect<const T&, const U&> (TEST, a, b, msg); \
}
TAP_TEST(gt, > )
TAP_TEST(ge, >=)
TAP_TEST(lt, < )
TAP_TEST(le, <=)
#undef TAP_TEST
//-----------------------------------------------------------------------------
template <typename T>
void
util::TAP::logger::expect_nan (const T &t, const std::string &msg)
{
bool(*func)(T) = std::isnan;
expect<const T&> (std::function<bool(const T&)> (func), t, msg);
}
//-----------------------------------------------------------------------------
template <typename T>
void
util::TAP::logger::expect_nothrow (T &&t, const std::string &msg)
{
bool success = true;
try {
t ();
} catch (...) {
success = false;
}
expect (success, msg);
}
//-----------------------------------------------------------------------------
template <typename E, typename T>
void
util::TAP::logger::expect_throw (T &&t, const std::string &msg)
{
bool success = false;
try {
t ();
} catch (const E&) {
success = true;
}
expect (success, msg);
}