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#include <stdio.h>
#include <stdarg.h>
#include <float.h>
unsigned int total_passed = 0;
unsigned int total_failed = 0;
static int passed;
static int failed;
int verbose = 0;
typedef enum {
DEFAULT = 39,
RED = 31,
GREEN = 32,
YELLOW = 33,
BLUE = 34,
MAGENTA = 35
} Color;
static void set_output_color(Color c)
{
printf("\033[%dm", c);
}
static void print_result(int success, const char *format, ...)
{
va_list ap;
Color color = GREEN;
char indicator = '+';
if (success) {
color = GREEN;
passed++;
} else {
color = RED;
indicator = '-';
failed++;
}
set_output_color(color);
putchar(indicator);
if (verbose) {
putchar(' ');
va_start(ap, format);
vprintf(format, ap);
va_end(ap);
putchar(success ? '\n' : '\n');
}
set_output_color(DEFAULT);
}
void testing_header(const char *header)
{
printf("Testing header ");
set_output_color(MAGENTA);
printf("<%s>", header);
set_output_color(DEFAULT);
printf("\n");
}
void testing_end(void)
{
if (!verbose) {
putchar('\n');
}
printf("%d tests passed, %d tests failed\n", passed, failed);
total_passed += passed;
passed = 0;
total_failed += failed;
failed = 0;
}
void testing_comment(const char *comment)
{
if (verbose) {
printf("- %s\n", comment);
}
}
void test_int_equals_imp(const char *expression, int result, int expected)
{
print_result(result == expected, "%s == %d", expression, expected);
}
void test_long_equals_imp(const char *expression, long result, long expected)
{
print_result(result == expected, "%s == %ld", expression, expected);
}
void test_double_imp(const char *expression, double result, double expected)
{
int success = (result - expected < DBL_EPSILON);
print_result(success, "%s == %d", expression, (int)expected);
}
void test_void_imp(const char *expression)
{
putchar('?');
if (verbose) {
printf(" %s\n", expression);
}
}
void test_bool_imp(const char *expression, int result, int expected)
{
int success = (result && expected) || (!result && !expected);
print_result(success, "%s%s", expected ? "" : "!", expression);
}
void test_string_imp(const char *expression, const char *totest, const char *tocompare)
{
int success = 1;
int i;
for (i = 0; totest[i] != '\0'; i++) {
if (totest[i] != tocompare[i]) {
success = 0;
}
}
if (tocompare[i] != '\0') {
success = 0;
}
print_result(success, "%s == \"%s\"", expression, tocompare);
}
void test_distinct_imp(const char *arrayname, int *array, size_t nelements)
{
int success = 1;
size_t i, j;
for (i = 0; i < nelements; i++) {
for (j = i + 1; j < nelements; j++) {
if (array[i] == array[j]) {
success = 0;
}
}
}
print_result(success, "Elements in %s are%s distinct", arrayname, success ? "" : " not");
}
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