game/axl_string_test.c

329 lines
6.3 KiB
C

/*
* axl_string_tests.c — Unit tests for axl_string.h
*/
#include "axl_string.h"
#include "axl_koan.h"
#include "axl_memory.h"
KOAN(strlen_empty)
{
i8* s = (i8*)"";
ASSERT_UINT_EQ(0, axl_strlen(s));
}
KOAN(strlen_simple)
{
i8* s = (i8*)"hello";
ASSERT_UINT_EQ(5, axl_strlen(s));
}
KOAN(strlen_with_special_chars)
{
i8* s = (i8*)"hello\n\tworld";
ASSERT_UINT_EQ(12, axl_strlen(s));
}
KOAN(strlen_null)
{
ASSERT_UINT_EQ(0, axl_strlen(NULL));
}
KOAN(strcpy_basic)
{
i8* src = (i8*)"test";
i8* dst = (i8*)axl_malloc(10);
ASSERT_NOT_NULL(dst);
i8* result = axl_strcpy(dst, src);
ASSERT_PTR_EQ(dst, result);
ASSERT_STR_EQ("test", (const char*)dst);
axl_free(dst);
}
KOAN(strcpy_empty)
{
i8* src = (i8*)"";
i8* dst = (i8*)axl_malloc(10);
ASSERT_NOT_NULL(dst);
axl_memset(dst, 0xFF, 10);
i8* result = axl_strcpy(dst, src);
ASSERT_PTR_EQ(dst, result);
ASSERT_STR_EQ("", (const char*)dst);
axl_free(dst);
}
KOAN(strcpy_null_dst)
{
i8 buf[10];
ASSERT_PTR_EQ(buf, axl_strcpy(buf, NULL));
}
KOAN(strcpy_null_src)
{
ASSERT_NULL(axl_strcpy(NULL, (const i8*)"test"));
}
KOAN(strncpy_exact)
{
i8* src = (i8*)"hello";
i8* dst = (i8*)axl_malloc(10);
ASSERT_NOT_NULL(dst);
i8* result = axl_strncpy(dst, src, 5);
ASSERT_PTR_EQ(dst, result);
ASSERT_TRUE(memcmp(dst, "hello", 5) == 0);
axl_free(dst);
}
KOAN(strncpy_truncates)
{
i8* src = (i8*)"hello world";
i8* dst = (i8*)axl_malloc(10);
ASSERT_NOT_NULL(dst);
i8* result = axl_strncpy(dst, src, 5);
ASSERT_PTR_EQ(dst, result);
ASSERT_TRUE(memcmp(dst, "hello", 5) == 0);
axl_free(dst);
}
KOAN(strncpy_pads_with_nulls)
{
i8* src = (i8*)"hi";
i8* dst = (i8*)axl_malloc(10);
ASSERT_NOT_NULL(dst);
axl_memset(dst, 0xFF, 10);
i8* result = axl_strncpy(dst, src, 5);
ASSERT_PTR_EQ(dst, result);
ASSERT_TRUE(memcmp(dst, "hi\0\0\0", 5) == 0);
axl_free(dst);
}
KOAN(strncpy_zero_n)
{
i8 dst[10] = {'w'};
axl_strncpy(dst, (const i8*)"test", 0);
ASSERT_INT_EQ('w', dst[0]);
}
KOAN(strncpy_embedded_null)
{
i8* dst = (i8*)axl_malloc(10);
i8* src = (i8*)"ab\0cde";
axl_strncpy(dst, src, 5);
ASSERT_TRUE(memcmp(dst, "ab\0\0\0", 5) == 0);
axl_free(dst);
}
KOAN(strcat_basic)
{
i8* dst = (i8*)axl_malloc(20);
ASSERT_NOT_NULL(dst);
axl_strcpy(dst, (i8*)"hello ");
i8* result = axl_strcat(dst, (i8*)"world");
ASSERT_PTR_EQ(dst, result);
ASSERT_STR_EQ("hello world", (const char*)dst);
axl_free(dst);
}
KOAN(strcat_to_empty)
{
i8* dst = (i8*)axl_malloc(20);
ASSERT_NOT_NULL(dst);
axl_strcpy(dst, (i8*)"");
i8* result = axl_strcat(dst, (i8*)"test");
ASSERT_PTR_EQ(dst, result);
ASSERT_STR_EQ("test", (const char*)dst);
axl_free(dst);
}
KOAN(strncat_full)
{
i8* dst = (i8*)axl_malloc(20);
ASSERT_NOT_NULL(dst);
axl_strcpy(dst, (i8*)"hello ");
i8* result = axl_strncat(dst, (i8*)"world", 5);
ASSERT_PTR_EQ(dst, result);
ASSERT_STR_EQ("hello world", (const char*)dst);
axl_free(dst);
}
KOAN(strncat_partial)
{
i8* dst = (i8*)axl_malloc(20);
ASSERT_NOT_NULL(dst);
axl_strcpy(dst, (i8*)"hello ");
i8* result = axl_strncat(dst, (i8*)"worldwide", 5);
ASSERT_PTR_EQ(dst, result);
ASSERT_STR_EQ("hello world", (const char*)dst);
axl_free(dst);
}
KOAN(strncat_always_null_terminates)
{
i8* dst = (i8*)axl_malloc(20);
ASSERT_NOT_NULL(dst);
axl_strcpy(dst, (i8*)"test");
i8* result = axl_strncat(dst, (i8*)"123456789", 3);
ASSERT_PTR_EQ(dst, result);
ASSERT_STR_EQ("test123", (const char*)dst);
ASSERT_INT_EQ(0, (int)dst[7]);
axl_free(dst);
}
KOAN(strncat_zero_n)
{
i8 dst[10] = "hi";
axl_strncat(dst, (const i8*)"world", 0);
ASSERT_STR_EQ("hi", (char*)dst);
}
KOAN(strcmp_equal)
{
i8* s1 = (i8*)"hello";
i8* s2 = (i8*)"hello";
ASSERT_INT_EQ(0, axl_strcmp(s1, s2));
}
KOAN(strcmp_less)
{
i8* s1 = (i8*)"abc";
i8* s2 = (i8*)"def";
ASSERT_TRUE(axl_strcmp(s1, s2) < 0);
}
KOAN(strcmp_greater)
{
i8* s1 = (i8*)"xyz";
i8* s2 = (i8*)"abc";
ASSERT_TRUE(axl_strcmp(s1, s2) > 0);
}
KOAN(strcmp_prefix)
{
i8* s1 = (i8*)"test";
i8* s2 = (i8*)"testing";
ASSERT_TRUE(axl_strcmp(s1, s2) < 0);
}
KOAN(strcmp_both_empty)
{
i8* s1 = (i8*)"";
i8* s2 = (i8*)"";
ASSERT_INT_EQ(0, axl_strcmp(s1, s2));
}
KOAN(strcmp_first_empty)
{
i8* s1 = (i8*)"";
i8* s2 = (i8*)"hello";
ASSERT_TRUE(axl_strcmp(s1, s2) < 0);
}
KOAN(strncmp_equal_shorter_n)
{
i8* s1 = (i8*)"hello";
i8* s2 = (i8*)"help!";
ASSERT_INT_EQ(0, axl_strncmp(s1, s2, 3));
}
KOAN(strncmp_equal_longer_n)
{
i8* s1 = (i8*)"test";
i8* s2 = (i8*)"test";
ASSERT_INT_EQ(0, axl_strncmp(s1, s2, 10));
}
KOAN(strncmp_differs_at_n)
{
i8* s1 = (i8*)"hello";
i8* s2 = (i8*)"helma";
ASSERT_TRUE(axl_strncmp(s1, s2, 5) < 0);
}
KOAN(strncmp_zero_n)
{
i8* s1 = (i8*)"hello";
i8* s2 = (i8*)"world";
ASSERT_INT_EQ(0, axl_strncmp(s1, s2, 0));
}
KOAN(strncmp_null_ptrs)
{
ASSERT_INT_EQ(0, axl_strncmp(NULL, NULL, 5));
ASSERT_TRUE(axl_strncmp(NULL, (i8*)"test", 5) < 0);
ASSERT_TRUE(axl_strncmp((i8*)"test", NULL, 5) > 0);
}
KOAN(strchr_null)
{
ASSERT_NULL(axl_strchr(NULL, 'a'));
}
KOAN(strchr_empty)
{
i8 str[] = "";
ASSERT_NULL(axl_strchr(str, 'a'));
}
KOAN(strchr_not_found)
{
i8 str[] = "hello";
ASSERT_NULL(axl_strchr(str, 'x'));
}
KOAN(strchr_first_char)
{
i8 str[] = "hello";
ASSERT_PTR_EQ(str, axl_strchr(str, 'h'));
}
KOAN(strchr_last_char)
{
i8 str[] = "hello";
ASSERT_PTR_EQ(str + 4, axl_strchr(str, 'o'));
}
KOAN(strchr_null_terminator)
{
i8 str[] = "hello";
ASSERT_PTR_EQ(str + 5, axl_strchr(str, '\0'));
}
KOAN(strchr_returns_proper_ptr)
{
i8 str[] = "hi Mark";
ASSERT_PTR_EQ(str + 0, axl_strchr(str, 'h'));
ASSERT_PTR_EQ(str + 1, axl_strchr(str, 'i'));
ASSERT_PTR_EQ(str + 2, axl_strchr(str, ' '));
ASSERT_PTR_EQ(str + 3, axl_strchr(str, 'M'));
ASSERT_PTR_EQ(str + 4, axl_strchr(str, 'a'));
ASSERT_PTR_EQ(str + 5, axl_strchr(str, 'r'));
ASSERT_PTR_EQ(str + 6, axl_strchr(str, 'k'));
ASSERT_NULL(axl_strchr(str, 'm'));
ASSERT_PTR_EQ(str + 7, axl_strchr(str, '\0'));
}
int main(void)
{
axl_init();
return koan_run_all();
}