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// SPDX-License-Identifier: BSD-2-Clause-Patent
/*
* test-str.c - test our string functions.
*/
#ifndef SHIM_UNIT_TEST
#define SHIM_UNIT_TEST
#endif
#include "shim.h"
#include <stdio.h>
#pragma GCC diagnostic ignored "-Wunused-variable"
#pragma GCC diagnostic error "-Wnonnull"
/*
* copy-pasta from gnu-efi
*/
static inline UINTN
strncmpa (
IN CONST CHAR8 *s1,
IN CONST CHAR8 *s2,
IN UINTN len
)
// compare strings
{
while (*s1 && len) {
if (*s1 != *s2) {
break;
}
s1 += 1;
s2 += 1;
len -= 1;
}
return len ? *s1 - *s2 : 0;
}
int
test_strchrnul(void)
{
const char s0[] = "abcd\0fghi";
assert_equal_return(shim_strchrnul(s0, 'a'), &s0[0], -1, "got %p expected %p\n");
assert_equal_return(shim_strchrnul(s0, 'd'), &s0[3], -1, "got %p expected %p\n");
assert_equal_return(shim_strchrnul(s0, '\000'), &s0[4], -1, "got %p expected %p\n");
assert_equal_return(shim_strchrnul(s0, 'i'), &s0[4], -1, "got %p expected %p\n");
assert_equal_return(strnchrnul(s0, 0, 'b'), &s0[0], -1, "got %p expected %p\n");
assert_equal_return(strnchrnul(s0, -1, 'b'), &s0[1], 1, "got %p expected %p\n");
assert_equal_return(strnchrnul(s0, 2, 'b'), &s0[1], -1, "got %p expected %p\n");
assert_equal_return(strnchrnul(s0, 4, 'f'), &s0[3], -1, "got %p expected %p\n");
assert_equal_return(strnchrnul(s0, 5, 'f'), &s0[4], -1, "got %p expected %p\n");
assert_equal_return(strnchrnul(s0, 8, 'f'), &s0[4], -1, "got %p expected %p\n");
assert_equal_return(strnchrnul(&s0[4], 1, 'f'), &s0[4], -1, "got %p expected %p\n");
return 0;
}
int
test_strncmp(void)
{
/*
* these are constants so that the failures are readable if you get
* it wrong.
*/
#define s0 "sbat,"
#define s0sz 6
#define s0len 5
#define s1 "sbat,1,2021030218"
#define s1sz 18
#define s1len 17
#define s2 "sbat,1,20210302"
#define s2sz 16
#define s2len 15
#define s3 "sbat,1,20210303"
#define s3sz 16
#define s3len 15
int diff;
assert_zero_return(strncmp(s0, s0, s0len), -1, "\n");
assert_zero_return(strncmp(s0, s0, s0sz), -1, "\n");
assert_zero_return(strncmp(s0, s1, s0len), -1, "\n");
assert_negative_return(strncmp(s0, s1, s0sz), -1, "\n");
assert_equal_return(strncmp(s0, s1, s0sz), s0[s0len] - s1[s0len] , -1, "expected %d got %d\n");
assert_positive_return(strncmp(s1, s0, s0sz), -1, "\n");
assert_equal_return(strncmp(s1, s0, s0sz), s1[s0len] - s0[s0len] , -1, "expected %d got %d\n");
assert_positive_return(strncmp(s1, s2, s1sz), -1, "\n");
assert_equal_return(strncmp(s1, s2, s2sz), s1[s2len] - s2[s2len] , -1, "expected %d got %d\n");
assert_positive_return(strncmp(s1, s2, s1len), -1, "\n");
assert_equal_return(strncmp(s1, s2, s2len), s1[s2len-1] - s2[s2len-1] , -1, "expected %d got %d\n");
assert_negative_return(strncmp(s2, s1, s1sz), -1, "\n");
assert_equal_return(strncmp(s2, s1, s1sz), s2[s2len] - s1[s2len] , -1, "expected %d got %d\n");
assert_zero_return(strncmp(s1, s2, s2len), -1, "\n");
assert_positive_return(strncmp(s1, s2, s2sz), -1, "\n");
assert_equal_return(strncmp(s1, s2, s2sz), s1[s2len] - s2[s2len] , -1, "expected %d got %d\n");
assert_negative_return(strncmp(s2, s3, s2sz), -1, "\n");
assert_equal_return(strncmp(s2, s3, s2sz), s2[s2len-1] - s3[s2len-1] , -1, "expected %d got %d\n");
assert_equal_return(strncmp(s2, s3, s2len), s2[s2len-1] - s3[s2len-1] , -1, "expected %d got %d\n");
assert_negative_return(strncmp(s2, s3, s2len), -1, "\n");
assert_zero_return(strncmp(s2, s3, s2len - 1), -1, "\n");
assert_false_return(strncmp(s1, s2, s2len), -1, "\n");
/*
* Now test gnu-efi's version, but with a cast back to a sane type
*/
#define strncmpa(a, b, c) ((INTN)strncmpa(a, b, c))
assert_zero_return(strncmpa(s0, s0, s0len), -1, "\n");
assert_zero_return(strncmpa(s0, s0, s0sz), -1, "\n");
assert_zero_return(strncmpa(s0, s1, s0len), -1, "\n");
assert_negative_return(strncmpa(s0, s1, s0sz), -1, "\n");
assert_equal_return(strncmpa(s0, s1, s0sz), s0[s0len] - s1[s0len] , -1, "expected %d got %d\n");
assert_positive_return(strncmpa(s1, s0, s0sz), -1, "\n");
assert_equal_return(strncmpa(s1, s0, s0sz), s1[s0len] - s0[s0len] , -1, "expected %d got %d\n");
assert_positive_return(strncmpa(s1, s2, s1sz), -1, "\n");
assert_equal_return(strncmpa(s1, s2, s2sz), s1[s2len] - s2[s2len] , -1, "expected %d got %d\n");
assert_positive_return(strncmpa(s1, s2, s1len), -1, "\n");
assert_equal_return(strncmpa(s1, s2, s2len), s1[s2len-1] - s2[s2len-1] , -1, "expected %d got %d\n");
assert_negative_return(strncmpa(s2, s1, s1sz), -1, "\n");
assert_equal_return(strncmpa(s2, s1, s1sz), s2[s2len] - s1[s2len] , -1, "expected %d got %d\n");
assert_zero_return(strncmpa(s1, s2, s2len), -1, "\n");
assert_positive_return(strncmpa(s1, s2, s2sz), -1, "\n");
assert_equal_return(strncmpa(s1, s2, s2sz), s1[s2len] - s2[s2len] , -1, "expected %d got %d\n");
assert_negative_return(strncmpa(s2, s3, s2sz), -1, "\n");
assert_equal_return(strncmpa(s2, s3, s2sz), s2[s2len-1] - s3[s2len-1] , -1, "expected %d got %d\n");
assert_equal_return(strncmpa(s2, s3, s2len), s2[s2len-1] - s3[s2len-1] , -1, "expected %d got %d\n");
assert_negative_return(strncmpa(s2, s3, s2len), -1, "\n");
assert_zero_return(strncmpa(s2, s3, s2len - 1), -1, "\n");
assert_false_return(strncmpa(s1, s2, s2len), -1, "\n");
/*
* Once more, but with the casting /and the warnings/ turned off
*
* The ones marked with XXX I've inverted the test to make it work
* "correctly", because UINTN is what makes positive.
*/
#undef strncmpa
#pragma GCC diagnostic ignored "-Wtype-limits"
#pragma GCC diagnostic ignored "-Wsign-compare"
assert_zero_return(strncmpa(s0, s0, s0len), -1, "\n");
assert_zero_return(strncmpa(s0, s0, s0sz), -1, "\n");
assert_zero_return(strncmpa(s0, s1, s0len), -1, "\n");
/*XXX*/assert_positive_return(strncmpa(s0, s1, s0sz), -1, "\n");/*XXX*/
assert_equal_return(strncmpa(s0, s1, s0sz), s0[s0len] - s1[s0len] , -1, "expected %d got %d\n");
assert_positive_return(strncmpa(s1, s0, s0sz), -1, "\n");
assert_equal_return(strncmpa(s1, s0, s0sz), s1[s0len] - s0[s0len] , -1, "expected %d got %d\n");
assert_positive_return(strncmpa(s1, s2, s1sz), -1, "\n");
assert_equal_return(strncmpa(s1, s2, s2sz), s1[s2len] - s2[s2len] , -1, "expected %d got %d\n");
assert_positive_return(strncmpa(s1, s2, s1len), -1, "\n");
assert_equal_return(strncmpa(s1, s2, s2len), s1[s2len-1] - s2[s2len-1] , -1, "expected %d got %d\n");
/*XXX*/ assert_positive_return(strncmpa(s2, s1, s1sz), -1, "\n");/*XXX*/
assert_equal_return(strncmpa(s2, s1, s1sz), s2[s2len] - s1[s2len] , -1, "expected %d got %d\n");
assert_zero_return(strncmpa(s1, s2, s2len), -1, "\n");
assert_positive_return(strncmpa(s1, s2, s2sz), -1, "\n");
assert_equal_return(strncmpa(s1, s2, s2sz), s1[s2len] - s2[s2len] , -1, "expected %d got %d\n");
assert_positive_return(strncmpa(s2, s3, s2sz), -1, "\n");
assert_equal_return(strncmpa(s2, s3, s2sz), s2[s2len-1] - s3[s2len-1] , -1, "expected %d got %d\n");
assert_equal_return(strncmpa(s2, s3, s2len), s2[s2len-1] - s3[s2len-1] , -1, "expected %d got %d\n");
/*XXX*/assert_positive_return(strncmpa(s2, s3, s2len), -1,"\n");/*XXX*/
assert_zero_return(strncmpa(s2, s3, s2len - 1), -1, "\n");
assert_false_return(strncmpa(s1, s2, s2len), -1, "\n");
#pragma GCC diagnostic error "-Wsign-compare"
#pragma GCC diagnostic error "-Wtype-limits"
return 0;
#undef s0
#undef s0sz
#undef s0len
#undef s1
#undef s1sz
#undef s1len
#undef s2
#undef s2sz
#undef s2len
#undef s3
#undef s3sz
#undef s3len
}
int
test_strntoken_null(void) {
bool ret;
char *token = NULL;
char state;
char *delims = alloca(3);
memcpy(delims, ",.", 3);
ret = strntoken(NULL, 1, delims, &token, &state);
assert_equal_return(ret, false, -1, "got %d expected %d\n");
return 0;
}
int
test_strntoken_size_0(void)
{
const char s1[] = "abc,def,.,gh,";
char s2[] = "abc,def,.,gh,";
char *token = NULL;
bool ret;
size_t max;
char *s = s2;
size_t tokensz;
char state;
ret = strntoken(s, 0, ",.", &token, &state);
assert_equal_return(ret, false, -1, "got %d expected %d\n");
assert_equal_return(token, NULL, -1, "got %p expected %p\n");
assert_equal_return(memcmp(s, "abc,def,.,gh,", sizeof(s2)), 0, 1, "got %d expected %d\n");
return 0;
}
int
test_strntoken_empty_size_1(void)
{
char s1[] = "";
char *s;
bool ret;
char *token = NULL;
char *prevtok = NULL;
size_t max;
size_t tokensz;
char state;
s = s1;
max = 1;
ret = strntoken(s, max, ",.", &token, &state);
assert_equal_return(ret, true, -1, "got %d expected %d\n");
assert_equal_return(token[0], '\0', -1, "got %#hhx expected %#hhx\n");
prevtok = token;
tokensz = strlen(token) + 1;
s += tokensz;
max -= tokensz;
assert_equal_return(s, &s1[1], -1, "got %p expected %p\n");
assert_equal_return(max, 0, -1, "got %d expected %d\n");
ret = strntoken(s, max, ",.", &token, &state);
assert_equal_return(ret, false, -1, "got %d expected %d\n");
assert_equal_return(token, prevtok, -1, "got %p expected %p\n");
return 0;
}
int
test_strntoken_size_1(void)
{
char s1[] = ",";
char *s;
bool ret;
char *token = NULL;
char *prevtok = NULL;
size_t max;
size_t tokensz;
char state;
s = s1;
max = 1;
ret = strntoken(s, max, ",.", &token, &state);
assert_equal_return(ret, true, -1, "got %d expected %d\n");
assert_equal_return(token[0], '\0', -1, "got %#hhx expected %#hhx\n");
prevtok = token;
tokensz = strlen(token) + 1;
s += tokensz;
max -= tokensz;
assert_equal_return(s, &s1[1], -1, "got %p expected %p\n");
assert_equal_return(max, 0, -1, "got %d expected %d\n");
ret = strntoken(s, max, ",.", &token, &state);
assert_equal_return(ret, false, -1, "got %d expected %d\n");
assert_equal_return(token, prevtok, -1, "got %p expected %p\n");
assert_equal_return(token[0], '\0', -1, "got %#hhx expected %#hhx\n");
return 0;
}
int
test_strntoken_size_2(void)
{
char s1[] = ",";
char *s;
bool ret;
char *token = NULL;
char *prevtok = NULL;
size_t max;
size_t tokensz;
char state;
s = s1;
max = 2;
ret = strntoken(s, max, ",.", &token, &state);
assert_equal_return(ret, true, -1, "got %d expected %d\n");
assert_equal_return(token[0], '\0', -1, "got %#hhx expected %#hhx\n");
tokensz = strlen(token) + 1;
s += tokensz;
max -= tokensz;
assert_equal_return(s, &s1[1], -1, "got %p expected %p\n");
assert_equal_return(max, 1, -1, "got %d expected %d\n");
ret = strntoken(s, max, ",.", &token, &state);
assert_equal_return(ret, true, -1, "got %d expected %d\n");
assert_equal_return(token[0], '\0', -1, "got %#hhx expected %#hhx\n");
prevtok = token;
tokensz = strlen(token) + 1;
s += tokensz;
max -= tokensz;
assert_equal_return(s, &s1[2], -1, "got %p expected %p\n");
assert_equal_return(max, 0, -1, "got %d expected %d\n");
ret = strntoken(s, max, ",.", &token, &state);
assert_equal_return(ret, false, -1, "got %d expected %d\n");
assert_equal_return(token, prevtok, -1, "got %#hhx expected %#hhx\n");
return 0;
}
int
test_strntoken_no_ascii_nul(void)
{
const char s1[] = "abc,def,.,gh,";
char s2[] = "abc,def,.,gh,";
char *token = NULL;
bool ret;
size_t max;
char *s = s2;
size_t tokensz;
char state;
s = s2;
max = sizeof(s2) - 1;
assert_equal_return(max, 13, -1, "got %d expected %d\n");
/*
* s="abc,def,.,gh," -> "abc\0def,.,gh,"
* ^ token
*/
ret = strntoken(s, max, ",.", &token, &state);
assert_equal_return(ret, true, -1, "got %d expected %d\n");
assert_equal_return(token, s, -1, "got %p expected %p\n");
assert_equal_return(s[2], 'c', -1, "got %#hhx expected %#hhx\n");
assert_equal_return(s[3], '\0', -1, "got %#hhx expected %#hhx\n");
assert_equal_return(s[4], 'd', -1, "got %#hhx expected %#hhx\n");
tokensz = strnlen(token, max) + 1;
s += tokensz;
max -= tokensz;
assert_equal_return(max, 9, -1, "got %d expected %d\n");
/*
* s="def,.,gh," -> "def\0.,gh,"
* ^ token
*/
ret = strntoken(s, max, ",.", &token, &state);
assert_equal_return(ret, true, -1, "got %d expected %d\n");
assert_equal_return(token, s, -1, "got %p expected %p\n");
assert_equal_return(s[2], 'f', -1, "got %#hhx expected %#hhx\n");
assert_equal_return(s[3], '\0', -1, "got %#hhx expected %#hhx\n");
assert_equal_return(s[4], '.', -1, "got %#hhx expected %#hhx\n");
tokensz = strnlen(token, max) + 1;
s += tokensz;
max -= tokensz;
assert_equal_return(max, 5, -1, "got %d expected %d\n");
/*
* s=".,gh," -> "\0,gh,"
* ^ token
*/
ret = strntoken(s, max, ",.", &token, &state);
assert_equal_return(ret, true, -1, "got %d expected %d\n");
assert_equal_return(token, s, -1, "got %p expected %p\n");
assert_equal_return(s[0], '\0', -1, "got %#hhx expected %#hhx\n");
assert_equal_return(s[1], ',', -1, "got %#hhx expected %#hhx\n");
tokensz = strnlen(token, max) + 1;
s += tokensz;
max -= tokensz;
assert_equal_return(max, 4, -1, "got %d expected %d\n");
/*
* s=",gh," -> "\0gh,"
* ^ token
*/
ret = strntoken(s, max, ",.", &token, &state);
assert_equal_return(ret, true, -1, "got %d expected %d\n");
assert_equal_return(token, s, -1, "got %p expected %p\n");
assert_equal_return(s[0], '\0', -1, "got %#hhx expected %#hhx\n");
assert_equal_return(s[1], 'g', -1, "got %#hhx expected %#hhx\n");
tokensz = strnlen(token, max) + 1;
s += tokensz;
max -= tokensz;
assert_equal_return(max, 3, -1, "got %d expected %d\n");
/*
* s="gh," -> "gh\0"
* ^ token
*/
ret = strntoken(s, max, ",.", &token, &state);
assert_equal_return(ret, true, -1, "got %d expected %d\n");
assert_equal_return(token, s, -1, "got %p expected %p\n");
assert_equal_return(s[0], 'g', -1, "got %#hhx expected %#hhx\n");
assert_equal_return(s[1], 'h', -1, "got %#hhx expected %#hhx\n");
assert_equal_return(s[2], '\0', -1, "got %#hhx expected %#hhx\n");
tokensz = strnlen(token, max) + 1;
s += tokensz;
max -= tokensz;
assert_equal_return(max, 0, -1, "got %d expected %d\n");
char *prevtok = token;
/*
* s="" -> ""
* ^ token, but max is 0
*/
ret = strntoken(s, max, ",.", &token, &state);
assert_equal_return(ret, false, -1, "got %d expected %d\n");
assert_equal_return(token, prevtok, -1, "got %p expected %p\n");
assert_equal_return(s[0], '\0', -1, "got %#hhx expected %#hhx\n");
s[0] = 'x';
ret = strntoken(s, max, ",.", &token, &state);
assert_equal_return(ret, false, -1, "got %d expected %d\n");
assert_equal_return(token, prevtok, -1, "got %p expected %p\n");
assert_equal_return(s[0], 'x', -1, "got %#hhx expected %#hhx\n");
return 0;
}
int
test_strntoken_with_ascii_nul(void)
{
const char s1[] = "abc,def,.,gh,";
char s2[] = "abc,def,.,gh,";
char *token = NULL;
bool ret;
size_t max;
char *s = s2;
size_t tokensz;
char s3[] = "abc,def,.,gh,";
char state;
s = s2;
max = sizeof(s2);
assert_equal_return(max, 14, 1, "got %d expected %d\n");
/*
* s="abc,def,.,gh," -> "abc\0def,.,gh,"
* ^ token
*/
ret = strntoken(s, max, ",.", &token, &state);
assert_equal_return(ret, true, 1, "got %d expected %d\n");
assert_equal_return(s[2], 'c', 1, "got %#hhx expected %#hhx\n");
assert_equal_return(s[3], '\0', 1, "got %#hhx expected %#hhx\n");
assert_equal_return(s[4], 'd', 1, "got %#hhx expected %#hhx\n");
tokensz = strnlen(token, max) + 1;
s += tokensz;
max -= tokensz;
assert_equal_return(max, 10, 1, "got %d expected %d\n");
/*
* s="def,.,gh," -> "def\0.,gh,"
* ^ token
*/
ret = strntoken(s, max, ",.", &token, &state);
assert_equal_return(ret, true, 1, "got %d expected %d\n");
assert_equal_return(token, s, 1, "got %p expected %p\n");
assert_equal_return(s[2], 'f', 1, "got %#hhx expected %#hhx\n");
assert_equal_return(s[3], '\0', 1, "got %#hhx expected %#hhx\n");
assert_equal_return(s[4], '.', 1, "got %#hhx expected %#hhx\n");
tokensz = strnlen(token, max) + 1;
s += tokensz;
max -= tokensz;
assert_equal_return(max, 6, 1, "got %d expected %d\n");
/*
* s=".,gh," -> "\0,gh,"
* ^ token
*/
ret = strntoken(s, max, ",.", &token, &state);
assert_equal_return(ret, true, 1, "got %d expected %d\n");
assert_equal_return(token, s, 1, "got %p expected %p\n");
assert_equal_return(s[0], '\0', 1, "got %#hhx expected %#hhx\n");
assert_equal_return(s[1], ',', 1, "got %#hhx expected %#hhx\n");
tokensz = strnlen(token, max) + 1;
s += tokensz;
max -= tokensz;
assert_equal_return(max, 5, 1, "got %d expected %d\n");
/*
* s=",gh," -> "\0gh,"
* ^ token
*/
ret = strntoken(s, max, ",.", &token, &state);
assert_equal_return(ret, true, 1, "got %d expected %d\n");
assert_equal_return(token, s, 1, "got %p expected %p\n");
assert_equal_return(s[0], '\0', 1, "got %#hhx expected %#hhx\n");
assert_equal_return(s[1], 'g', 1, "got %#hhx expected %#hhx\n");
tokensz = strnlen(token, max) + 1;
s += tokensz;
max -= tokensz;
assert_equal_return(max, 4, 1, "got %d expected %d\n");
/*
* s="gh," -> "gh\0"
* ^ token
*/
ret = strntoken(s, max, ",.", &token, &state);
assert_equal_return(ret, true, 1, "got %d expected %d\n");
assert_equal_return(token, s, 1, "got %p expected %p\n");
assert_equal_return(s[0], 'g', 1, "got %#hhx expected %#hhx\n");
assert_equal_return(s[1], 'h', 1, "got %#hhx expected %#hhx\n");
assert_equal_return(s[2], '\0', 1, "got %#hhx expected %#hhx\n");
tokensz = strnlen(token, max) + 1;
s += tokensz;
max -= tokensz;
assert_equal_return(max, 1, 1, "got %d expected %d\n");
/*
* s="" -> ""
* ^ token, max is 1
*/
ret = strntoken(s, max, ",.", &token, &state);
assert_equal_return(ret, true, 1, "got %d expected %d\n");
assert_equal_return(token, s, 1, "got %p expected %p\n");
assert_equal_return(s[0], '\0', 1, "got %#hhx expected %#hhx\n");
char *prevtok = token;
tokensz = strnlen(token, max) + 1;
s += tokensz;
max -= tokensz;
assert_equal_return(max, 0, 1, "got %d expected %d\n");
/*
* s="" -> ""
* ^ token, max is 0
*/
ret = strntoken(s, max, ",.", &token, &state);
assert_equal_return(ret, false, 1, "got %d expected %d\n");
assert_equal_return(token, prevtok, 1, "got %p expected %p\n");
return 0;
}
int
main(void)
{
int status = 0;
test(test_strchrnul);
test(test_strncmp);
test(test_strntoken_null);
test(test_strntoken_size_0);
test(test_strntoken_empty_size_1);
test(test_strntoken_size_1);
test(test_strntoken_size_2);
test(test_strntoken_no_ascii_nul);
test(test_strntoken_with_ascii_nul);
return status;
}
// vim:fenc=utf-8:tw=75:noet
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