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CuTest.c

#include <assert.h>
#include <setjmp.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <math.h>

#include "CuTest.h"

/*-------------------------------------------------------------------------*
 * CuStr
 *-------------------------------------------------------------------------*/

char* CuStrAlloc(int size)
{
      char* newStr = (char*) malloc( sizeof(char) * (size) );
      return newStr;
}

char* CuStrCopy(const char* old)
{
      int len = strlen(old);
      char* newStr = CuStrAlloc(len + 1);
      strcpy(newStr, old);
      return newStr;
}

/*-------------------------------------------------------------------------*
 * CuString
 *-------------------------------------------------------------------------*/

void CuStringInit(CuString* str)
{
      str->length = 0;
      str->size = STRING_MAX;
      str->buffer = (char*) malloc(sizeof(char) * str->size);
      str->buffer[0] = '\0';
}

CuString* CuStringNew(void)
{
      CuString* str = (CuString*) malloc(sizeof(CuString));
      str->length = 0;
      str->size = STRING_MAX;
      str->buffer = (char*) malloc(sizeof(char) * str->size);
      str->buffer[0] = '\0';
      return str;
}

void CuStringDelete(CuString *str)
{
        if (!str) return;
        free(str->buffer);
        free(str);
}

void CuStringResize(CuString* str, int newSize)
{
      str->buffer = (char*) realloc(str->buffer, sizeof(char) * newSize);
      str->size = newSize;
}

void CuStringAppend(CuString* str, const char* text)
{
      int length;

      if (text == NULL) {
            text = "NULL";
      }

      length = strlen(text);
      if (str->length + length + 1 >= str->size)
            CuStringResize(str, str->length + length + 1 + STRING_INC);
      str->length += length;
      strcat(str->buffer, text);
}

void CuStringAppendChar(CuString* str, char ch)
{
      char text[2];
      text[0] = ch;
      text[1] = '\0';
      CuStringAppend(str, text);
}

void CuStringAppendFormat(CuString* str, const char* format, ...)
{
      va_list argp;
      char buf[HUGE_STRING_LEN];
      va_start(argp, format);
      vsprintf(buf, format, argp);
      va_end(argp);
      CuStringAppend(str, buf);
}

void CuStringInsert(CuString* str, const char* text, int pos)
{
      int length = strlen(text);
      if (pos > str->length)
            pos = str->length;
      if (str->length + length + 1 >= str->size)
            CuStringResize(str, str->length + length + 1 + STRING_INC);
      memmove(str->buffer + pos + length, str->buffer + pos, (str->length - pos) + 1);
      str->length += length;
      memcpy(str->buffer + pos, text, length);
}

/*-------------------------------------------------------------------------*
 * CuTest
 *-------------------------------------------------------------------------*/

void CuTestInit(CuTest* t, const char* name, TestFunction function)
{
      t->name = CuStrCopy(name);
      t->failed = 0;
      t->ran = 0;
      t->message = NULL;
      t->function = function;
      t->jumpBuf = NULL;
}

CuTest* CuTestNew(const char* name, TestFunction function)
{
      CuTest* tc = CU_ALLOC(CuTest);
      CuTestInit(tc, name, function);
      return tc;
}

void CuTestDelete(CuTest *t)
{
        if (!t) return;
        free(t->name);
        free(t);
}

void CuTestRun(CuTest* tc)
{
      jmp_buf buf;
      tc->jumpBuf = &buf;
      if (setjmp(buf) == 0)
      {
            tc->ran = 1;
            (tc->function)(tc);
      }
      tc->jumpBuf = 0;
}

static void CuFailInternal(CuTest* tc, const char* file, int line, CuString* string)
{
      char buf[HUGE_STRING_LEN];

      sprintf(buf, "%s:%d: ", file, line);
      CuStringInsert(string, buf, 0);

      tc->failed = 1;
      tc->message = string->buffer;
      if (tc->jumpBuf != 0) longjmp(*(tc->jumpBuf), 0);
}

void CuFail_Line(CuTest* tc, const char* file, int line, const char* message2, const char* message)
{
      CuString string;

      CuStringInit(&string);
      if (message2 != NULL)
      {
            CuStringAppend(&string, message2);
            CuStringAppend(&string, ": ");
      }
      CuStringAppend(&string, message);
      CuFailInternal(tc, file, line, &string);
}

void CuAssert_Line(CuTest* tc, const char* file, int line, const char* message, int condition)
{
      if (condition) return;
      CuFail_Line(tc, file, line, NULL, message);
}

void CuAssertStrEquals_LineMsg(CuTest* tc, const char* file, int line, const char* message,
      const char* expected, const char* actual)
{
      CuString string;
      if ((expected == NULL && actual == NULL) ||
          (expected != NULL && actual != NULL &&
           strcmp(expected, actual) == 0))
      {
            return;
      }

      CuStringInit(&string);
      if (message != NULL)
      {
            CuStringAppend(&string, message);
            CuStringAppend(&string, ": ");
      }
      CuStringAppend(&string, "expected <");
      CuStringAppend(&string, expected);
      CuStringAppend(&string, "> but was <");
      CuStringAppend(&string, actual);
      CuStringAppend(&string, ">");
      CuFailInternal(tc, file, line, &string);
}

void CuAssertIntEquals_LineMsg(CuTest* tc, const char* file, int line, const char* message,
      int expected, int actual)
{
      char buf[STRING_MAX];
      if (expected == actual) return;
      sprintf(buf, "expected <%d> but was <%d>", expected, actual);
      CuFail_Line(tc, file, line, message, buf);
}

void CuAssertDblEquals_LineMsg(CuTest* tc, const char* file, int line, const char* message,
      double expected, double actual, double delta)
{
      char buf[STRING_MAX];
      if (fabs(expected - actual) <= delta) return;
      sprintf(buf, "expected <%f> but was <%f>", expected, actual);

      CuFail_Line(tc, file, line, message, buf);
}

void CuAssertPtrEquals_LineMsg(CuTest* tc, const char* file, int line, const char* message,
      void* expected, void* actual)
{
      char buf[STRING_MAX];
      if (expected == actual) return;
      sprintf(buf, "expected pointer <0x%p> but was <0x%p>", expected, actual);
      CuFail_Line(tc, file, line, message, buf);
}


/*-------------------------------------------------------------------------*
 * CuSuite
 *-------------------------------------------------------------------------*/

void CuSuiteInit(CuSuite* testSuite)
{
      testSuite->count = 0;
      testSuite->failCount = 0;
        memset(testSuite->list, 0, sizeof(testSuite->list));
}

CuSuite* CuSuiteNew(void)
{
      CuSuite* testSuite = CU_ALLOC(CuSuite);
      CuSuiteInit(testSuite);
      return testSuite;
}

void CuSuiteDelete(CuSuite *testSuite)
{
        unsigned int n;
        for (n=0; n < MAX_TEST_CASES; n++)
        {
                if (testSuite->list[n])
                {
                        CuTestDelete(testSuite->list[n]);
                }
        }
        free(testSuite);

}

void CuSuiteAdd(CuSuite* testSuite, CuTest *testCase)
{
      assert(testSuite->count < MAX_TEST_CASES);
      testSuite->list[testSuite->count] = testCase;
      testSuite->count++;
}

void CuSuiteAddSuite(CuSuite* testSuite, CuSuite* testSuite2)
{
      int i;
      for (i = 0 ; i < testSuite2->count ; ++i)
      {
            CuTest* testCase = testSuite2->list[i];
            CuSuiteAdd(testSuite, testCase);
      }
}

void CuSuiteRun(CuSuite* testSuite)
{
      int i;
      for (i = 0 ; i < testSuite->count ; ++i)
      {
            CuTest* testCase = testSuite->list[i];
            CuTestRun(testCase);
            if (testCase->failed) { testSuite->failCount += 1; }
      }
}

void CuSuiteSummary(CuSuite* testSuite, CuString* summary)
{
      int i;
      for (i = 0 ; i < testSuite->count ; ++i)
      {
            CuTest* testCase = testSuite->list[i];
            CuStringAppend(summary, testCase->failed ? "F" : ".");
      }
      CuStringAppend(summary, "\n\n");
}

void CuSuiteDetails(CuSuite* testSuite, CuString* details)
{
      int i;
      int failCount = 0;

      if (testSuite->failCount == 0)
      {
            int passCount = testSuite->count - testSuite->failCount;
            const char* testWord = passCount == 1 ? "test" : "tests";
            CuStringAppendFormat(details, "OK (%d %s)\n", passCount, testWord);
      }
      else
      {
            if (testSuite->failCount == 1)
                  CuStringAppend(details, "There was 1 failure:\n");
            else
                  CuStringAppendFormat(details, "There were %d failures:\n", testSuite->failCount);

            for (i = 0 ; i < testSuite->count ; ++i)
            {
                  CuTest* testCase = testSuite->list[i];
                  if (testCase->failed)
                  {
                        failCount++;
                        CuStringAppendFormat(details, "%d) %s: %s\n",
                              failCount, testCase->name, testCase->message);
                  }
            }
            CuStringAppend(details, "\n!!!FAILURES!!!\n");

            CuStringAppendFormat(details, "Runs: %d ",   testSuite->count);
            CuStringAppendFormat(details, "Passes: %d ", testSuite->count - testSuite->failCount);
            CuStringAppendFormat(details, "Fails: %d\n",  testSuite->failCount);
      }
}

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