/*
 * Copyright (c) 2007, Michael Feathers, James Grenning and Bas Vodde
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of the <organization> nor the
 *       names of its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE EARLIER MENTIONED AUTHORS ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL <copyright holder> BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include "CppUTest/TestHarness.h"
#include "CppUTest/MemoryLeakDetector.h"
#include "CppUTest/TestMemoryAllocator.h"
#include "CppUTest/PlatformSpecificFunctions.h"
#include "CppUTest/TestHarness_c.h"

extern "C"
{

void CHECK_EQUAL_C_BOOL_LOCATION(int expected, int actual, const char* text, const char* fileName, size_t lineNumber)
{
    UtestShell::getCurrent()->assertEquals(!!expected != !!actual, expected ? "true" : "false", actual ? "true" : "false", text, fileName, lineNumber, TestTerminatorWithoutExceptions());
}

void CHECK_EQUAL_C_INT_LOCATION(int expected, int actual, const char* text, const char* fileName, size_t lineNumber)
{
    UtestShell::getCurrent()->assertLongsEqual((long)expected, (long)actual, text, fileName, lineNumber, TestTerminatorWithoutExceptions());
}

void CHECK_EQUAL_C_UINT_LOCATION(unsigned int expected, unsigned int actual, const char* text, const char* fileName, size_t lineNumber)
{
    UtestShell::getCurrent()->assertUnsignedLongsEqual((unsigned long)expected, (unsigned long)actual, text, fileName, lineNumber, TestTerminatorWithoutExceptions());
}

void CHECK_EQUAL_C_LONG_LOCATION(long expected, long actual, const char* text, const char* fileName, size_t lineNumber)
{
    UtestShell::getCurrent()->assertLongsEqual(expected, actual, text, fileName, lineNumber, TestTerminatorWithoutExceptions());
}

void CHECK_EQUAL_C_ULONG_LOCATION(unsigned long expected, unsigned long actual, const char* text, const char* fileName, size_t lineNumber)
{
    UtestShell::getCurrent()->assertUnsignedLongsEqual(expected, actual, text, fileName, lineNumber, TestTerminatorWithoutExceptions());
}

void CHECK_EQUAL_C_LONGLONG_LOCATION(cpputest_longlong expected, cpputest_longlong actual, const char* text, const char* fileName, size_t lineNumber)
{
    UtestShell::getCurrent()->assertLongLongsEqual(expected, actual, text, fileName, lineNumber, TestTerminatorWithoutExceptions());
}

void CHECK_EQUAL_C_ULONGLONG_LOCATION(cpputest_ulonglong expected, cpputest_ulonglong actual, const char* text, const char* fileName, size_t lineNumber)
{
    UtestShell::getCurrent()->assertUnsignedLongLongsEqual(expected, actual, text, fileName, lineNumber, TestTerminatorWithoutExceptions());
}

void CHECK_EQUAL_C_REAL_LOCATION(double expected, double actual, double threshold, const char* text, const char* fileName, size_t lineNumber)
{
    UtestShell::getCurrent()->assertDoublesEqual(expected, actual, threshold, text, fileName, lineNumber, TestTerminatorWithoutExceptions());
}

void CHECK_EQUAL_C_CHAR_LOCATION(char expected, char actual, const char* text, const char* fileName, size_t lineNumber)
{
    UtestShell::getCurrent()->assertEquals(((expected) != (actual)), StringFrom(expected).asCharString(), StringFrom(actual).asCharString(), text, fileName, lineNumber, TestTerminatorWithoutExceptions());
}

extern void CHECK_EQUAL_C_UBYTE_LOCATION(unsigned char expected, unsigned char actual, const char* text, const char* fileName, size_t lineNumber)\
{
    UtestShell::getCurrent()->assertEquals(((expected) != (actual)),StringFrom((int)expected).asCharString(), StringFrom((int) actual).asCharString(), text, fileName, lineNumber, TestTerminatorWithoutExceptions());
}

void CHECK_EQUAL_C_SBYTE_LOCATION(char signed expected, signed char actual, const char* text, const char* fileName, size_t lineNumber)
{
    UtestShell::getCurrent()->assertEquals(((expected) != (actual)),StringFrom((int)expected).asCharString(), StringFrom((int) actual).asCharString(), text, fileName, lineNumber, TestTerminatorWithoutExceptions());
}

void CHECK_EQUAL_C_STRING_LOCATION(const char* expected, const char* actual, const char* text, const char* fileName, size_t lineNumber)
{
    UtestShell::getCurrent()->assertCstrEqual(expected, actual, text, fileName, lineNumber, TestTerminatorWithoutExceptions());
}

void CHECK_EQUAL_C_POINTER_LOCATION(const void* expected, const void* actual, const char* text, const char* fileName, size_t lineNumber)
{
    UtestShell::getCurrent()->assertPointersEqual(expected, actual, text, fileName, lineNumber, TestTerminatorWithoutExceptions());
}

extern void CHECK_EQUAL_C_BITS_LOCATION(unsigned int expected, unsigned int actual, unsigned int mask, size_t size, const char* text, const char* fileName, size_t lineNumber)
{
    UtestShell::getCurrent()->assertBitsEqual(expected, actual, mask, size, text, fileName, lineNumber, TestTerminatorWithoutExceptions());
}

void FAIL_TEXT_C_LOCATION(const char* text, const char* fileName, size_t lineNumber)
{
    UtestShell::getCurrent()->fail(text,  fileName, lineNumber, TestTerminatorWithoutExceptions());
} // LCOV_EXCL_LINE

void FAIL_C_LOCATION(const char* fileName, size_t lineNumber)
{
    UtestShell::getCurrent()->fail("",  fileName, lineNumber, TestTerminatorWithoutExceptions());
} // LCOV_EXCL_LINE

void CHECK_C_LOCATION(int condition, const char* conditionString, const char* text, const char* fileName, size_t lineNumber)
{
    UtestShell::getCurrent()->assertTrue(condition != 0, "CHECK_C", conditionString, text, fileName, lineNumber, TestTerminatorWithoutExceptions());
}

enum { NO_COUNTDOWN = -1, OUT_OF_MEMORRY = 0 };
static int malloc_out_of_memory_counter = NO_COUNTDOWN;
static int malloc_count = 0;

void cpputest_malloc_count_reset(void)
{
    malloc_count = 0;
}

int cpputest_malloc_get_count()
{
    return malloc_count;
}

static TestMemoryAllocator* originalAllocator = NULLPTR;

void cpputest_malloc_set_out_of_memory()
{
    if (originalAllocator == NULLPTR)
        originalAllocator = getCurrentMallocAllocator();
    setCurrentMallocAllocator(NullUnknownAllocator::defaultAllocator());
}

void cpputest_malloc_set_not_out_of_memory()
{
    malloc_out_of_memory_counter = NO_COUNTDOWN;
    setCurrentMallocAllocator(originalAllocator);
    originalAllocator = NULLPTR;
}

void cpputest_malloc_set_out_of_memory_countdown(int count)
{
    malloc_out_of_memory_counter = count;
    if (malloc_out_of_memory_counter == OUT_OF_MEMORRY)
        cpputest_malloc_set_out_of_memory();
}

void* cpputest_malloc(size_t size)
{
    return cpputest_malloc_location(size, "<unknown>", 0);
}

char* cpputest_strdup(const char* str)
{
    return cpputest_strdup_location(str, "<unknown>", 0);
}

char* cpputest_strndup(const char* str, size_t n)
{
    return cpputest_strndup_location(str, n, "<unknown>", 0);
}

void* cpputest_calloc(size_t num, size_t size)
{
    return cpputest_calloc_location(num, size, "<unknown>", 0);
}

void* cpputest_realloc(void* ptr, size_t size)
{
    return cpputest_realloc_location(ptr, size, "<unknown>", 0);
}

void cpputest_free(void* buffer)
{
    cpputest_free_location(buffer, "<unknown>", 0);
}

static void countdown()
{
    if (malloc_out_of_memory_counter <= NO_COUNTDOWN)
        return;

    if (malloc_out_of_memory_counter == OUT_OF_MEMORRY)
        return;

    malloc_out_of_memory_counter--;

    if (malloc_out_of_memory_counter == OUT_OF_MEMORRY)
        cpputest_malloc_set_out_of_memory();
}

void* cpputest_malloc_location(size_t size, const char* file, size_t line)
{
    countdown();
    malloc_count++;
    return cpputest_malloc_location_with_leak_detection(size, file, line);
}

static size_t test_harness_c_strlen(const char * str)
{
    size_t n = 0;
    while (*str++) n++;
    return n;
}

static char* strdup_alloc(const char * str, size_t size, const char* file, size_t line)
{
    char* result = (char*) cpputest_malloc_location(size, file, line);
    PlatformSpecificMemCpy(result, str, size);
    result[size-1] = '\0';
    return result;
}

char* cpputest_strdup_location(const char * str, const char* file, size_t line)
{
    size_t length = 1 + test_harness_c_strlen(str);
    return strdup_alloc(str, length, file, line);
}

char* cpputest_strndup_location(const char * str, size_t n, const char* file, size_t line)
{
    size_t length = test_harness_c_strlen(str);
    length = length < n ? length : n;
    length = length + 1;
    return strdup_alloc(str, length, file, line);
}


void* cpputest_calloc_location(size_t num, size_t size, const char* file, size_t line)
{
    void* mem = cpputest_malloc_location(num * size, file, line);
    if (mem)
        PlatformSpecificMemset(mem, 0, num*size);
    return mem;
}

void* cpputest_realloc_location(void* memory, size_t size, const char* file, size_t line)
{
    return cpputest_realloc_location_with_leak_detection(memory, size, file, line);
}

void cpputest_free_location(void* buffer, const char* file, size_t line)
{
    cpputest_free_location_with_leak_detection(buffer, file, line);
}

}