An example of a CuTest-based unit test

cutest_example.c

#include <stdlib.h>
#include <stdio.h>
#include "CuTest.h"
#include "../ep2_gustavob.h"



/********* Infix to Postfix Conversion *********/
void test_single_expr (CuTest* testContext) {
  char actual[BUF_SIZE];
  char *expression = "(5 + 5)";
  char *expected = "5 5 + ";
  
  infix_to_postfix(expression, actual);
  CuAssertStrEquals(testContext, expected, actual);
}

void test_parens_multi_expr (CuTest* testContext) {
  char actual[BUF_SIZE];
  char *expression = "(5 * (((9 + 8) * (4 * 6)) + 7))";
  char *expected = "5 9 8 + 4 6 * * 7 + * ";
  
  infix_to_postfix(expression, actual);
  CuAssertStrEquals(testContext, expected, actual);
}


void test_multi_digit_numbers_expr(CuTest* testContext) {
  char actual[BUF_SIZE];
  char *expression = "((20 * 3) * (10 + 10)) / 2))";
  char *expected = "20 3 * 10 10 + * 2 / ";
  infix_to_postfix(expression, actual);
  CuAssertStrEquals(testContext, expected, actual);

}

CuSuite* test_suite() {
  CuSuite* suite = CuSuiteNew();
  SUITE_ADD_TEST(suite, test_single_expr);
  SUITE_ADD_TEST(suite,test_parens_multi_expr);
  SUITE_ADD_TEST(suite, test_multi_digit_numbers_expr);
  return suite;
}

void all_tests()
{
	CuString *output = CuStringNew();
	CuSuite* suite = CuSuiteNew();

	CuSuiteAddSuite(suite, test_suite());
	CuSuiteRun(suite);
	CuSuiteSummary(suite, output);
	CuSuiteDetails(suite, output);
	printf("%s\n", output->buffer);
}

int main()
{
  all_tests();
  return 0;
}