-DEF_TEST(strjoin)
-{
- char buffer[16];
- char *fields[4];
- int status;
-
- fields[0] = "foo";
- fields[1] = "bar";
- fields[2] = "baz";
- fields[3] = "qux";
-
- status = strjoin (buffer, sizeof (buffer), fields, 2, "!");
- OK(status == 7);
- EXPECT_EQ_STR ("foo!bar", buffer);
-
- status = strjoin (buffer, sizeof (buffer), fields, 1, "!");
- OK(status == 3);
- EXPECT_EQ_STR ("foo", buffer);
-
- status = strjoin (buffer, sizeof (buffer), fields, 0, "!");
- OK(status < 0);
-
- status = strjoin (buffer, sizeof (buffer), fields, 2, "rcht");
- OK(status == 10);
- EXPECT_EQ_STR ("foorchtbar", buffer);
-
- status = strjoin (buffer, sizeof (buffer), fields, 4, "");
- OK(status == 12);
- EXPECT_EQ_STR ("foobarbazqux", buffer);
+DEF_TEST(strjoin) {
+ struct {
+ char **fields;
+ size_t fields_num;
+ char *separator;
+
+ int want_return;
+ char *want_buffer;
+ } cases
+ [] = {
+ /* Normal case. */
+ {(char *[]){"foo", "bar"}, 2, "!", 7, "foo!bar"},
+ /* One field only. */
+ {(char *[]){"foo"}, 1, "!", 3, "foo"},
+ /* No fields at all. */
+ {NULL, 0, "!", 0, ""},
+ /* Longer separator. */
+ {(char *[]){"foo", "bar"}, 2, "rcht", 10, "foorchtbar"},
+ /* Empty separator. */
+ {(char *[]){"foo", "bar"}, 2, "", 6, "foobar"},
+ /* NULL separator. */
+ {(char *[]){"foo", "bar"}, 2, NULL, 6, "foobar"},
+ /* buffer not large enough -> string is truncated. */
+ {(char *[]){"aaaaaa", "bbbbbb", "c!"}, 3, "-", 16, "aaaaaa-bbbbbb-c"},
+ /* buffer not large enough -> last field fills buffer completely. */
+ {(char *[]){"aaaaaaa", "bbbbbbb", "!"}, 3, "-", 17,
+ "aaaaaaa-bbbbbbb"},
+ /* buffer not large enough -> string does *not* end in separator. */
+ {(char *[]){"aaaa", "bbbb", "cccc", "!"}, 4, "-", 16,
+ "aaaa-bbbb-cccc"},
+ /* buffer not large enough -> string does not end with partial
+ separator. */
+ {(char *[]){"aaaaaa", "bbbbbb", "!"}, 3, "+-", 17, "aaaaaa+-bbbbbb"},
+ };
+
+ for (size_t i = 0; i < STATIC_ARRAY_SIZE(cases); i++) {
+ char buffer[16];
+ int status;