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polybar/tests/common/test.hpp
2016-10-25 01:47:00 +02:00

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//
// Copyright (c) 2016 Krzysztof Jusiak (krzysztof at jusiak dot net)
//
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
#pragma once
#include <cstdio>
#include <cstdlib>
#define expect(...) \
(void)((__VA_ARGS__) || (expect_fail__(#__VA_ARGS__, __FILE__, __LINE__), 0))
#define static_expect(...) static_assert((__VA_ARGS__), "fail")
void expect_fail__(const char* msg, const char* file, int line) {
std::printf("%s:%d:%s\n", file, line, msg);
std::exit(-1);
}
template <char...>
struct test {
template <class Test>
bool operator=(const Test& test) {
test();
return true;
}
};
#if defined(__clang__)
#pragma clang diagnostic ignored "-Wgnu-string-literal-operator-template"
#endif
template <class T, T... Chars>
constexpr auto operator""_test() {
return test<Chars...>{};
}