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