208 lines
6.3 KiB
C++
208 lines
6.3 KiB
C++
/*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* Copyright 2015-2017 Danny Robson <danny@nerdcruft.net>
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*/
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#ifndef CRUFT_UTIL_TAP_HPP
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#define CRUFT_UTIL_TAP_HPP
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#include "format.hpp"
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#include "maths.hpp"
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#include <cmath>
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#include <iosfwd>
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#include <functional>
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namespace util::TAP {
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/// A simple TAP (Test Anything Protocol) test case output
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class logger {
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public:
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enum {
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PASS,
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FAIL,
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SKIP,
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TODO
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};
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//---------------------------------------------------------------------
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logger ();
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logger (std::ostream&);
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~logger ();
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//---------------------------------------------------------------------
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template <typename ...Args, size_t N>
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void
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expect (const bool test, const char (&fmt)[N], Args&&... args)
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{
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m_output << (test ? "ok " : "not ok ") << ++m_size
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<< " - "
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<< format::printf (fmt) (std::forward<Args> (args)...) << '\n';
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if (!test)
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m_status = EXIT_FAILURE;
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}
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//---------------------------------------------------------------------
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template <typename ...Args, size_t N>
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void
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expect (const std::function<bool(Args...)> &test, Args&&...args, const char (&fmt)[N])
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{
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try {
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expect (test (std::forward<Args> (args)...), fmt);
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} catch (...) {
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expect (false, fmt);
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}
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}
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///////////////////////////////////////////////////////////////////////
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template <typename ValueA, typename ValueB, std::size_t N, typename ...Args>
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void
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expect_mod (ValueA &&a, ValueB &&b, const char (&fmt)[N], Args &&...args)
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{
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return expect (a % b == 0, fmt, std::forward<Args> (args)...);
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}
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///////////////////////////////////////////////////////////////////////
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template <typename T, typename U, typename ...Args, size_t N>
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void
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expect_eq (const T &a, const U &b, const char (&fmt)[N], Args&&...args)
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{
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expect (almost_equal (a, b), fmt, std::forward<Args> (args)...);
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}
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//---------------------------------------------------------------------
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template <typename T, typename U, typename ...Args, size_t N>
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void
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expect_neq (const T &a, const U &b, const char (&fmt)[N], Args&&...args)
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{
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expect (!almost_equal (a, b), fmt, std::forward<Args> (args)...);
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}
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///////////////////////////////////////////////////////////////////////
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template <typename ValueA, typename ValueB, typename ...Args, size_t N>
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void
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expect_gt (const ValueA &a, const ValueB &b, const char (&fmt)[N], Args&&...args)
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{
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expect (a > b, fmt, std::forward<Args> (args)...);
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}
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//---------------------------------------------------------------------
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template <typename T, typename U, typename ...Args, size_t N>
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void
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expect_ge (const T &a, const U &b, const char (&fmt)[N], Args&&...args)
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{
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expect (a >= b, fmt, std::forward<Args> (args)...);
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}
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//---------------------------------------------------------------------
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template <typename T, typename U, typename ...Args, size_t N>
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void
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expect_lt (const T &a, const U &b, const char (&fmt)[N], Args&&...args)
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{
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expect (a < b, fmt, std::forward<Args> (args)...);
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}
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//---------------------------------------------------------------------
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template <typename T, typename U, typename ...Args, size_t N>
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void
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expect_le (const T &a, const U &b, const char (&fmt)[N], Args&&...args)
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{
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expect (a <= b, fmt, std::forward<Args> (args)...);
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}
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///////////////////////////////////////////////////////////////////////
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template <typename T, typename ...Args, size_t N>
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void
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expect_nan (const T &t, const char (&fmt)[N], Args&&...args)
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{
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expect (std::isnan (t), fmt, std::forward<Args> (args)...);
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}
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///////////////////////////////////////////////////////////////////////
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template <typename T, typename ...Args, size_t N>
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void
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expect_nothrow (T &&t, const char (&fmt)[N], Args&&...args)
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{
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bool success = true;
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try {
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t ();
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} catch (...) {
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success = false;
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}
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expect (success, fmt, std::forward<Args> (args)...);
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}
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//---------------------------------------------------------------------
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template <typename E, typename T, typename ...Args, size_t N>
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void
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expect_throw (T &&t, const char (&fmt)[N], Args&&...args)
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{
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bool success = false;
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try {
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t ();
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} catch (const E&) {
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success = true;
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} catch (...) {
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success = false;
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}
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expect (success, fmt, std::forward<Args> (args)...);
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}
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///////////////////////////////////////////////////////////////////////
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template <size_t N, typename ...Args>
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void fail (const char (&fmt)[N], Args &&...args)
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{
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expect (false, fmt, std::forward<Args> (args)...);
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}
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//---------------------------------------------------------------------
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void skip (const std::string &msg);
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void todo (const std::string &msg);
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void noop (void);
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///////////////////////////////////////////////////////////////////////
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int status (void) const;
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private:
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#if !defined(NDEBUG)
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mutable int m_reported = -1;
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#endif
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std::ostream &m_output;
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int m_status;
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size_t m_size;
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};
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}
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#endif
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