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test-string-util: add a test for strjoin()

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Strangely, we didn't have one so far. I mostly wanted to verify
that NULL can be used in any spot at behaves the same as "".
This commit is contained in:
Zbigniew Jędrzejewski-Szmek 2020-08-20 13:37:31 +02:00
parent c32c4352b4
commit 7eac7b4c62
1 changed files with 33 additions and 0 deletions
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33
src/test/test-string-util.c
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@ -326,6 +326,38 @@ static void test_strjoina(void) {
assert_se(streq(actual, "foo"));
}
static void test_strjoin(void) {
char *actual;
actual = strjoin("", "foo", "bar");
assert_se(streq(actual, "foobar"));
mfree(actual);
actual = strjoin("foo", "bar", "baz");
assert_se(streq(actual, "foobarbaz"));
mfree(actual);
actual = strjoin("foo", "", "bar", "baz");
assert_se(streq(actual, "foobarbaz"));
mfree(actual);
actual = strjoin("foo", NULL);
assert_se(streq(actual, "foo"));
mfree(actual);
actual = strjoin(NULL, NULL);
assert_se(streq(actual, ""));
mfree(actual);
actual = strjoin(NULL, "foo");
assert_se(streq(actual, ""));
mfree(actual);
actual = strjoin("foo", NULL, "bar");
assert_se(streq(actual, "foo"));
mfree(actual);
}
static void test_strcmp_ptr(void) {
assert_se(strcmp_ptr(NULL, NULL) == 0);
assert_se(strcmp_ptr("", NULL) > 0);
@ -727,6 +759,7 @@ int main(int argc, char *argv[]) {
test_ascii_strlower();
test_strshorten();
test_strjoina();
test_strjoin();
test_strcmp_ptr();
test_foreach_word();
test_foreach_word_quoted();