Blame test/CuTest.c

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/* 
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 * Copyright (c) 2003 Asim Jalis
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 * 
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 *  This software is provided 'as-is', without any express or implied
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 *  warranty. In no event will the authors be held liable for any
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 *  damages arising from the use of this software.
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 * 
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 *  Permission is granted to anyone to use this software for any
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 *  purpose, including commercial applications, and to alter it and
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 *  redistribute it freely, subject to the following restrictions:
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 * 
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 *  1. The origin of this software must not be misrepresented; you
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 *  must not claim that you wrote the original software. If you use
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 *  this software in a product, an acknowledgment in the product
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 *  documentation would be appreciated but is not required.
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 * 
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 *  2. Altered source versions must be plainly marked as such, and
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 *  must not be misrepresented as being the original software.
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 * 
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 *  3. This notice may not be removed or altered from any source
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 *  distribution.
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 *-------------------------------------------------------------------------*
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 *
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 * Originally obtained from "http://cutest.sourceforge.net/" version 1.4.
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 *
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 * See CuTest.h for a list of serf-specific modifications.
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 */
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#include <assert.h>
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#include <setjmp.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <math.h>
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#include "CuTest.h"
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/*-------------------------------------------------------------------------*
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 * CuStr
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 *-------------------------------------------------------------------------*/
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char* CuStrAlloc(int size)
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{
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    char* newStr = (char*) malloc( sizeof(char) * (size) );
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    return newStr;
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}
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char* CuStrCopy(const char* old)
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{
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    int len = strlen(old);
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    char* newStr = CuStrAlloc(len + 1);
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    strcpy(newStr, old);
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    return newStr;
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}
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/*-------------------------------------------------------------------------*
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 * CuString
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 *-------------------------------------------------------------------------*/
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void CuStringInit(CuString* str)
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{
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    str->length = 0;
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    str->size = STRING_MAX;
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    str->buffer = (char*) malloc(sizeof(char) * str->size);
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    str->buffer[0] = '\0';
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}
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CuString* CuStringNew(void)
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{
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    CuString* str = (CuString*) malloc(sizeof(CuString));
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    str->length = 0;
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    str->size = STRING_MAX;
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    str->buffer = (char*) malloc(sizeof(char) * str->size);
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    str->buffer[0] = '\0';
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    return str;
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}
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void CuStringFree(CuString *str)
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{
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    free(str->buffer);
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    free(str);
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}
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void CuStringResize(CuString* str, int newSize)
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{
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    str->buffer = (char*) realloc(str->buffer, sizeof(char) * newSize);
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    str->size = newSize;
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}
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void CuStringAppend(CuString* str, const char* text)
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{
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    int length;
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    if (text == NULL) {
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        text = "NULL";
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    }
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    length = strlen(text);
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    if (str->length + length + 1 >= str->size)
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        CuStringResize(str, str->length + length + 1 + STRING_INC);
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    str->length += length;
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    strcat(str->buffer, text);
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}
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void CuStringAppendChar(CuString* str, char ch)
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{
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    char text[2];
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    text[0] = ch;
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    text[1] = '\0';
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    CuStringAppend(str, text);
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}
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void CuStringAppendFormat(CuString* str, const char* format, ...)
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{
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    va_list argp;
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    char buf[HUGE_STRING_LEN];
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    va_start(argp, format);
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    vsprintf(buf, format, argp);
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    va_end(argp);
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    CuStringAppend(str, buf);
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}
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void CuStringInsert(CuString* str, const char* text, int pos)
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{
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    int length = strlen(text);
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    if (pos > str->length)
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        pos = str->length;
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    if (str->length + length + 1 >= str->size)
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        CuStringResize(str, str->length + length + 1 + STRING_INC);
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    memmove(str->buffer + pos + length, str->buffer + pos, (str->length - pos) + 1);
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    str->length += length;
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    memcpy(str->buffer + pos, text, length);
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}
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/*-------------------------------------------------------------------------*
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 * CuTest
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 *-------------------------------------------------------------------------*/
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void CuTestInit(CuTest* t, const char* name, TestFunction function)
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{
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    t->name = CuStrCopy(name);
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    t->failed = 0;
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    t->ran = 0;
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    t->message = NULL;
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    t->function = function;
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    t->jumpBuf = NULL;
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    t->setup = NULL;
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    t->teardown = NULL;
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    t->testBaton = NULL;
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}
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CuTest* CuTestNew(const char* name, TestFunction function)
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{
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    CuTest* tc = CU_ALLOC(CuTest);
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    CuTestInit(tc, name, function);
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    return tc;
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}
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void CuTestFree(CuTest* tc)
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{
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    free(tc->name);
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    free(tc);
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}
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void CuTestRun(CuTest* tc)
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{
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    jmp_buf buf;
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    tc->jumpBuf = &buf;
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    if (tc->setup)
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        tc->testBaton = tc->setup(tc);
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    if (setjmp(buf) == 0)
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    {
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        tc->ran = 1;
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        (tc->function)(tc);
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    }
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    if (tc->teardown)
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        tc->teardown(tc->testBaton);
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    tc->jumpBuf = 0;
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}
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static void CuFailInternal(CuTest* tc, const char* file, int line, CuString* string)
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{
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    char buf[HUGE_STRING_LEN];
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    sprintf(buf, "%s:%d: ", file, line);
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    CuStringInsert(string, buf, 0);
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    tc->failed = 1;
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    tc->message = string->buffer;
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    if (tc->jumpBuf != 0) longjmp(*(tc->jumpBuf), 0);
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}
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void CuFail_Line(CuTest* tc, const char* file, int line, const char* message2, const char* message)
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{
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    CuString string;
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    CuStringInit(&string);
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    if (message2 != NULL)
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    {
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        CuStringAppend(&string, message2);
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        CuStringAppend(&string, ": ");
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    }
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    CuStringAppend(&string, message);
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    CuFailInternal(tc, file, line, &string);
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}
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void CuAssert_Line(CuTest* tc, const char* file, int line, const char* message, int condition)
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{
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    if (condition) return;
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    CuFail_Line(tc, file, line, NULL, message);
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}
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void CuAssertStrnEquals_LineMsg(CuTest* tc, const char* file, int line, const char* message,
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                                const char* expected, size_t explen,
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                                const char* actual)
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{
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    CuString string;
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    if ((explen == 0) ||
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        (expected == NULL && actual == NULL) ||
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        (expected != NULL && actual != NULL &&
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         strncmp(expected, actual, explen) == 0))
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    {
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        return;
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    }
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    CuStringInit(&string);
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    if (message != NULL)
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    {
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        CuStringAppend(&string, message);
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        CuStringAppend(&string, ": ");
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    }
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    CuStringAppend(&string, "expected <");
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    CuStringAppend(&string, expected);
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    CuStringAppend(&string, "> but was <");
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    CuStringAppend(&string, actual);
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    CuStringAppend(&string, ">");
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    CuFailInternal(tc, file, line, &string);
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}
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void CuAssertStrEquals_LineMsg(CuTest* tc, const char* file, int line, const char* message,
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    const char* expected, const char* actual)
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{
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    CuString string;
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    if ((expected == NULL && actual == NULL) ||
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        (expected != NULL && actual != NULL &&
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         strcmp(expected, actual) == 0))
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    {
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        return;
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    }
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    CuStringInit(&string);
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    if (message != NULL)
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    {
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        CuStringAppend(&string, message);
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        CuStringAppend(&string, ": ");
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    }
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    CuStringAppend(&string, "expected <");
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    CuStringAppend(&string, expected);
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    CuStringAppend(&string, "> but was <");
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    CuStringAppend(&string, actual);
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    CuStringAppend(&string, ">");
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    CuFailInternal(tc, file, line, &string);}
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void CuAssertIntEquals_LineMsg(CuTest* tc, const char* file, int line, const char* message,
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    int expected, int actual)
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{
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    char buf[STRING_MAX];
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    if (expected == actual) return;
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    sprintf(buf, "expected <%d> but was <%d>", expected, actual);
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    CuFail_Line(tc, file, line, message, buf);
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}
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void CuAssertDblEquals_LineMsg(CuTest* tc, const char* file, int line, const char* message,
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    double expected, double actual, double delta)
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{
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    char buf[STRING_MAX];
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    if (fabs(expected - actual) <= delta) return;
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    sprintf(buf, "expected <%lf> but was <%lf>", expected, actual);
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    CuFail_Line(tc, file, line, message, buf);
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}
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void CuAssertPtrEquals_LineMsg(CuTest* tc, const char* file, int line, const char* message,
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    void* expected, void* actual)
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{
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    char buf[STRING_MAX];
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    if (expected == actual) return;
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    sprintf(buf, "expected pointer <0x%p> but was <0x%p>", expected, actual);
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    CuFail_Line(tc, file, line, message, buf);
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}
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/*-------------------------------------------------------------------------*
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 * CuSuite
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 *-------------------------------------------------------------------------*/
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void CuSuiteInit(CuSuite* testSuite)
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{
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    testSuite->count = 0;
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    testSuite->failCount = 0;
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    testSuite->setup = NULL;
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    testSuite->teardown = NULL;
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}
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CuSuite* CuSuiteNew(void)
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{
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    CuSuite* testSuite = CU_ALLOC(CuSuite);
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    CuSuiteInit(testSuite);
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    return testSuite;
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}
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void CuSuiteFree(CuSuite *testSuite)
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{
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    free(testSuite);
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}
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void CuSuiteFreeDeep(CuSuite *testSuite)
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{
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    int i;
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    for (i = 0 ; i < testSuite->count ; ++i)
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    {
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        CuTest* testCase = testSuite->list[i];
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        CuTestFree(testCase);
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    }
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    free(testSuite);
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}
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void CuSuiteAdd(CuSuite* testSuite, CuTest *testCase)
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{
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    assert(testSuite->count < MAX_TEST_CASES);
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    testSuite->list[testSuite->count] = testCase;
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    testSuite->count++;
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    /* CuSuiteAdd is called twice per test, don't reset the callbacks if
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       already set. */
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    if (!testCase->setup)
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        testCase->setup = testSuite->setup;
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    if (!testCase->teardown)
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        testCase->teardown = testSuite->teardown;
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}
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void CuSuiteAddSuite(CuSuite* testSuite, CuSuite* testSuite2)
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{
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    int i;
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    for (i = 0 ; i < testSuite2->count ; ++i)
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    {
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        CuTest* testCase = testSuite2->list[i];
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        CuSuiteAdd(testSuite, testCase);
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    }
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}
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void CuSuiteRun(CuSuite* testSuite)
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{
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    int i;
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    for (i = 0 ; i < testSuite->count ; ++i)
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    {
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        CuTest* testCase = testSuite->list[i];
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        CuTestRun(testCase);
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        if (testCase->failed) { testSuite->failCount += 1; }
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    }
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}
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void CuSuiteSummary(CuSuite* testSuite, CuString* summary)
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{
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    int i;
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    for (i = 0 ; i < testSuite->count ; ++i)
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    {
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        CuTest* testCase = testSuite->list[i];
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        CuStringAppend(summary, testCase->failed ? "F" : ".");
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    }
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    CuStringAppend(summary, "\n\n");
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}
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void CuSuiteDetails(CuSuite* testSuite, CuString* details)
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{
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    int i;
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    int failCount = 0;
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    if (testSuite->failCount == 0)
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    {
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        int passCount = testSuite->count - testSuite->failCount;
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        const char* testWord = passCount == 1 ? "test" : "tests";
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        CuStringAppendFormat(details, "OK (%d %s)\n", passCount, testWord);
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    }
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    else
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    {
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        if (testSuite->failCount == 1)
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            CuStringAppend(details, "There was 1 failure:\n");
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        else
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            CuStringAppendFormat(details, "There were %d failures:\n", testSuite->failCount);
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        for (i = 0 ; i < testSuite->count ; ++i)
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        {
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            CuTest* testCase = testSuite->list[i];
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            if (testCase->failed)
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            {
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                failCount++;
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                CuStringAppendFormat(details, "%d) %s: %s\n",
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                    failCount, testCase->name, testCase->message);
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            }
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        }
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        CuStringAppend(details, "\n!!!FAILURES!!!\n");
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        CuStringAppendFormat(details, "Runs: %d ",   testSuite->count);
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        CuStringAppendFormat(details, "Passes: %d ", testSuite->count - testSuite->failCount);
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        CuStringAppendFormat(details, "Fails: %d\n",  testSuite->failCount);
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    }
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}
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void CuSuiteSetSetupTeardownCallbacks(CuSuite* testSuite, TestCallback setup,
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                                      TestCallback teardown)
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{
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    testSuite->setup = setup;
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    testSuite->teardown = teardown;
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}