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token: Added function to remove duplicates

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Added a function to remove duplicates from lists.  This function is used
in a new provided function to append lists removing duplicates.

Signed-off-by: Anderson Toshiyuki Sasaki <ansasaki@redhat.com>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
This commit is contained in:
Anderson Toshiyuki Sasaki
2019-06-28 22:35:38 +02:00
parent e5a64a3d6b
commit 548753b338
3 changed files with 278 additions and 2 deletions
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122
tests/unittests/torture_tokens.c
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@@ -146,6 +146,126 @@ static void torture_tokens_sanity(UNUSED_PARAM(void **state))
tokenize_compare_expected(",", single_colon, 1);
}
static void torture_remove_duplicate(UNUSED_PARAM(void **state))
{
const char *simple[] = {"a,a,b,b,c,c",
"a,b,c,a,b,c",
"a,b,c,c,b,a",
"a,a,,b,b,,c,c",
",a,a,b,b,c,c",
"a,a,b,b,c,c,"};
const char *empty[] = {"",
",,,,,,,,,",
NULL};
char *ret = NULL;
int i;
for (i = 0; i < 6; i++) {
ret = ssh_remove_duplicates(simple[i]);
assert_non_null(ret);
assert_string_equal("a,b,c", ret);
printf("simple[%d] resulted in '%s'\n", i, ret);
SAFE_FREE(ret);
}
for (i = 0; i < 3; i++) {
ret = ssh_remove_duplicates(empty[i]);
if (ret != NULL) {
printf("empty[%d] resulted in '%s'\n", i, ret);
}
assert_null(ret);
}
ret = ssh_remove_duplicates("a");
assert_non_null(ret);
assert_string_equal("a", ret);
SAFE_FREE(ret);
}
static void torture_append_without_duplicate(UNUSED_PARAM(void **state))
{
const char *s1[] = {"a,a,b,b,c,c",
"a,b,c,a,b,c",
"a,b,c,c,b,a",
"a,a,,b,b,,c,c",
",a,a,b,b,c,c",
"a,a,b,b,c,c,"};
const char *s2[] = {"a,a,b,b,c,c,d,d",
"a,b,c,d,a,b,c,d",
"a,b,c,d,d,c,b,a",
"a,a,,b,b,,c,c,,d,d",
",a,a,b,b,c,c,d,d",
"a,a,b,b,c,c,d,d,",
"d"};
const char *empty[] = {"",
",,,,,,,,,",
NULL,
NULL};
char *ret = NULL;
int i, j;
ret = ssh_append_without_duplicates("a", "a");
assert_non_null(ret);
assert_string_equal("a", ret);
SAFE_FREE(ret);
ret = ssh_append_without_duplicates("a", "b");
assert_non_null(ret);
assert_string_equal("a,b", ret);
SAFE_FREE(ret);
ret = ssh_append_without_duplicates("a", NULL);
assert_non_null(ret);
assert_string_equal("a", ret);
SAFE_FREE(ret);
ret = ssh_append_without_duplicates(NULL, "b");
assert_non_null(ret);
assert_string_equal("b", ret);
SAFE_FREE(ret);
for (i = 0; i < 6; i++) {
for (j = 0; j < 7; j++) {
ret = ssh_append_without_duplicates(s1[i], s2[j]);
assert_non_null(ret);
printf("s1[%d] + s2[%d] resulted in '%s'\n", i, j, ret);
assert_string_equal("a,b,c,d", ret);
SAFE_FREE(ret);
}
}
for (i = 0; i < 6; i++) {
for (j = 0; j < 3; j++) {
ret = ssh_append_without_duplicates(s1[i], empty[j]);
assert_non_null(ret);
printf("s1[%d] + empty[%d] resulted in '%s'\n", i, j, ret);
assert_string_equal("a,b,c", ret);
SAFE_FREE(ret);
}
}
for (i = 0; i < 3; i++) {
for (j = 0; j < 6; j++) {
ret = ssh_append_without_duplicates(empty[i], s1[j]);
assert_non_null(ret);
printf("empty[%d] + s1[%d] resulted in '%s'\n", i, j, ret);
assert_string_equal("a,b,c", ret);
SAFE_FREE(ret);
}
}
for (i = 0; i < 4; i++) {
for (j = 0; j < 4; j++) {
ret = ssh_append_without_duplicates(empty[i], empty[j]);
if (ret != NULL) {
printf("empty[%d] + empty[%d] resulted in '%s'\n", i, j, ret);
}
assert_null(ret);
}
}
}
int torture_run_tests(void)
{
int rc;
@@ -153,6 +273,8 @@ int torture_run_tests(void)
cmocka_unit_test(torture_tokens_sanity),
cmocka_unit_test(torture_find_matching),
cmocka_unit_test(torture_find_all_matching),
cmocka_unit_test(torture_remove_duplicate),
cmocka_unit_test(torture_append_without_duplicate),
};
ssh_init();