libcruft-util/tap.ipp

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/*
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* 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
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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
* 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.
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*
* Copyright 2015 Danny Robson <danny@nerdcruft.net>
*/
#ifdef __UTIL_TAP_IPP
#error
#endif
#define __UTIL_TAP_IPP
#include "maths.hpp"
#include <algorithm>
#include <cstdlib>
#include <iostream>
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#include "format.hpp"
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///////////////////////////////////////////////////////////////////////////////
template <typename ...Args, size_t N>
void
util::TAP::logger::expect (bool test, const char (&fmt)[N], Args&&... args)
{
std::cout << (test ? "ok " : "not ok ") << ++m_size
<< " - "
<< util::format::render (fmt, std::forward<Args> (args)...) << '\n';
if (!test)
m_status = EXIT_FAILURE;
}
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//-----------------------------------------------------------------------------
template <typename ...Args, size_t N>
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void
util::TAP::logger::expect (const std::function<bool(Args...)> &test, Args&&... args, const char (&fmt)[N])
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{
try {
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expect (test (std::forward<Args> (args)...), fmt);
} catch (...) {
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expect (false, fmt);
}
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}
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///////////////////////////////////////////////////////////////////////////////
template <typename T, typename U, typename ...Args, size_t N>
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void
util::TAP::logger::expect_eq (const T&a, const U &b, const char (&fmt)[N], Args&&... args)
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{
expect (almost_equal (a, b), fmt, std::forward<Args> (args)...);
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}
//-----------------------------------------------------------------------------
template <typename T, typename U, typename ...Args, size_t N>
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void
util::TAP::logger::expect_neq (const T&a, const U &b, const char (&fmt)[N], Args&&... args)
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{
expect (!almost_equal (a, b), fmt, std::forward<Args> (args)...);
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}
///////////////////////////////////////////////////////////////////////////////
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#define TAP_TEST(SUFFIX,OP) \
template <typename T, typename U, typename ...Args, size_t N> \
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void \
util::TAP::logger::expect_ ## SUFFIX (const T &a, \
const U &b, \
const char (&fmt)[N], \
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Args&&... args) \
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{ \
expect ((a) OP (b), fmt, std::forward<Args> (args)...); \
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}
TAP_TEST(gt, > )
TAP_TEST(ge, >=)
TAP_TEST(lt, < )
TAP_TEST(le, <=)
#undef TAP_TEST
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//-----------------------------------------------------------------------------
template <typename T, typename ...Args, size_t N>
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void
util::TAP::logger::expect_nan (const T &t, const char (&fmt)[N], Args&&... args)
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{
expect (std::isnan (t), fmt, std::forward<Args> (args)...);
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}
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//-----------------------------------------------------------------------------
template <typename T, typename ...Args, size_t N>
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void
util::TAP::logger::expect_nothrow (T &&t, const char (&fmt)[N], Args&&... args)
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{
bool success = true;
try {
t ();
} catch (...) {
success = false;
}
expect (success, fmt, std::forward<Args> (args)...);
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}
//-----------------------------------------------------------------------------
template <typename E, typename T, typename ...Args, size_t N>
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void
util::TAP::logger::expect_throw (T &&t, const char (&fmt)[N], Args&&... args)
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{
bool success = false;
try {
t ();
} catch (const E&) {
success = true;
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} catch (...) {
success = false;
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}
expect (success, fmt, std::forward<Args> (args)...);
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}