+ 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"},
+ };