diff options
Diffstat (limited to 'src/test/test-string-util.c')
| -rw-r--r-- | src/test/test-string-util.c | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/src/test/test-string-util.c b/src/test/test-string-util.c index 3e72ce2c0a..8c1f91d4ef 100644 --- a/src/test/test-string-util.c +++ b/src/test/test-string-util.c @@ -5,6 +5,7 @@ #include "macro.h" #include "string-util.h" #include "strv.h" +#include "tests.h" #include "utf8.h" static void test_string_erase(void) { @@ -30,6 +31,64 @@ static void test_string_erase(void) { assert_se(x[9] == '\0'); } +static void test_free_and_strndup_one(char **t, const char *src, size_t l, const char *expected, bool change) { + int r; + + log_debug("%s: \"%s\", \"%s\", %zd (expect \"%s\", %s)", + __func__, strnull(*t), strnull(src), l, strnull(expected), yes_no(change)); + + r = free_and_strndup(t, src, l); + assert_se(streq_ptr(*t, expected)); + assert_se(r == change); /* check that change occurs only when necessary */ +} + +static void test_free_and_strndup(void) { + static const struct test_case { + const char *src; + size_t len; + const char *expected; + } cases[] = { + {"abc", 0, ""}, + {"abc", 0, ""}, + {"abc", 1, "a"}, + {"abc", 2, "ab"}, + {"abc", 3, "abc"}, + {"abc", 4, "abc"}, + {"abc", 5, "abc"}, + {"abc", 5, "abc"}, + {"abc", 4, "abc"}, + {"abc", 3, "abc"}, + {"abc", 2, "ab"}, + {"abc", 1, "a"}, + {"abc", 0, ""}, + + {"", 0, ""}, + {"", 1, ""}, + {"", 2, ""}, + {"", 0, ""}, + {"", 1, ""}, + {"", 2, ""}, + {"", 2, ""}, + {"", 1, ""}, + {"", 0, ""}, + + {NULL, 0, NULL}, + + {"foo", 3, "foo"}, + {"foobar", 6, "foobar"}, + }; + + _cleanup_free_ char *t = NULL; + const char *prev_expected = t; + + for (unsigned i = 0; i < ELEMENTSOF(cases); i++) { + test_free_and_strndup_one(&t, + cases[i].src, cases[i].len, cases[i].expected, + !streq_ptr(cases[i].expected, prev_expected)); + prev_expected = t; + } +} + static void test_ascii_strcasecmp_n(void) { assert_se(ascii_strcasecmp_n("", "", 0) == 0); @@ -496,8 +555,34 @@ static void test_memory_startswith(void) { assert_se(!memory_startswith("xxx", 4, "xxxx")); } +static void test_memory_startswith_no_case(void) { + assert_se(streq(memory_startswith_no_case("", 0, ""), "")); + assert_se(streq(memory_startswith_no_case("", 1, ""), "")); + assert_se(streq(memory_startswith_no_case("x", 2, ""), "x")); + assert_se(streq(memory_startswith_no_case("X", 2, ""), "X")); + assert_se(!memory_startswith_no_case("", 1, "X")); + assert_se(!memory_startswith_no_case("", 1, "xxxxXXXX")); + assert_se(streq(memory_startswith_no_case("xxx", 4, "X"), "xx")); + assert_se(streq(memory_startswith_no_case("XXX", 4, "x"), "XX")); + assert_se(streq(memory_startswith_no_case("XXX", 4, "X"), "XX")); + assert_se(streq(memory_startswith_no_case("xxx", 4, "XX"), "x")); + assert_se(streq(memory_startswith_no_case("XXX", 4, "xx"), "X")); + assert_se(streq(memory_startswith_no_case("XXX", 4, "XX"), "X")); + assert_se(streq(memory_startswith_no_case("xxx", 4, "XXX"), "")); + assert_se(streq(memory_startswith_no_case("XXX", 4, "xxx"), "")); + assert_se(streq(memory_startswith_no_case("XXX", 4, "XXX"), "")); + + assert_se(memory_startswith_no_case((char[2]){'x', 'x'}, 2, "xx")); + assert_se(memory_startswith_no_case((char[2]){'x', 'X'}, 2, "xX")); + assert_se(memory_startswith_no_case((char[2]){'X', 'x'}, 2, "Xx")); + assert_se(memory_startswith_no_case((char[2]){'X', 'X'}, 2, "XX")); +} + int main(int argc, char *argv[]) { + test_setup_logging(LOG_DEBUG); + test_string_erase(); + test_free_and_strndup(); test_ascii_strcasecmp_n(); test_ascii_strcasecmp_nn(); test_cellescape(); @@ -525,6 +610,7 @@ int main(int argc, char *argv[]) { test_first_word(); test_strlen_ptr(); test_memory_startswith(); + test_memory_startswith_no_case(); return 0; } |