// Copyright (C) 2011 Milo Yip
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

#ifndef UNITTEST_H_
#define UNITTEST_H_


// gtest indirectly included inttypes.h, without __STDC_CONSTANT_MACROS.
#ifndef __STDC_CONSTANT_MACROS
#  define __STDC_CONSTANT_MACROS 1 // required by C++ standard
#endif

#ifdef _MSC_VER
#define _CRTDBG_MAP_ALLOC
#include <crtdbg.h>
#pragma warning(disable : 4996) // 'function': was declared deprecated
#endif

#if defined(__clang__) || defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 2))
#if defined(__clang__) || (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6))
#pragma GCC diagnostic push
#endif
#pragma GCC diagnostic ignored "-Weffc++"
#endif

#include "gtest/gtest.h"

#if defined(__clang__) || defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6))
#pragma GCC diagnostic pop
#endif

template<typename Ch>
inline unsigned StrLen(const Ch *s) {
	const Ch *p = s;
	while (*p) p++;
	return unsigned(p - s);
}

template<typename Ch>
inline int StrCmp(const Ch *s1, const Ch *s2) {
	while (*s1 && (*s1 == *s2)) {
		s1++;
		s2++;
	}
	return (unsigned) *s1 < (unsigned) *s2 ? -1 : (unsigned) *s1 > (unsigned) *s2;
}

template<typename Ch>
inline Ch *StrDup(const Ch *str) {
	size_t bufferSize = sizeof(Ch) * (StrLen(str) + 1);
	Ch *buffer = (Ch *) malloc(bufferSize);
	memcpy(buffer, str, bufferSize);
	return buffer;
}

inline FILE *TempFile(char *filename) {
#if _MSC_VER
	filename = tmpnam(filename);

	// For Visual Studio, tmpnam() adds a backslash in front. Remove it.
	if (filename[0] == '\\')
		for (int i = 0; filename[i] != '\0'; i++)
			filename[i] = filename[i + 1];

	return fopen(filename, "wb");
#else
	strcpy(filename, "/tmp/fileXXXXXX");
	int fd = mkstemp(filename);
	return fdopen(fd, "w");
#endif
}

// Use exception for catching assert
#if _MSC_VER
#pragma warning(disable : 4127)
#endif

class AssertException : public std::logic_error {
public:
	AssertException(const char *w) : std::logic_error(w) {}
};

#define RAPIDJSON_ASSERT(x) if (!(x)) throw AssertException(RAPIDJSON_STRINGIFY(x))

#endif // UNITTEST_H_
