more dname tests.

git-svn-id: file:///svn/unbound/trunk@275 be551aaa-1e26-0410-a405-d3ace91eadb9

diff --git a/testcode/unitdname.c b/testcode/unitdname.c
index d47c1cdfc877a91f18d9e72fd401dfac8cd78e61..570709d958a491e4e7d0ffdbe6e615c7409de8f9 100644 (file)
--- a/testcode/unitdname.c
+++ b/testcode/unitdname.c
@@ -156,10 +156,109 @@ dname_test_count_size_labels()
 
 
 /** test pkt_dname_len */
-/** test dname_pkt_compare */
-/** test dname_query_hash and dname_pkt_hash */
-/** test dname_pkt_copy */
-/** test dname_buffer_write */
+static void
+dname_test_pkt_dname_len(ldns_buffer* buff)
+{
+       ldns_buffer_clear(buff);
+       ldns_buffer_write(buff, "\000", 1);
+       ldns_buffer_flip(buff);
+       unit_assert( pkt_dname_len(buff) == 1 );
+       unit_assert( ldns_buffer_position(buff) == 1);
+
+       ldns_buffer_clear(buff);
+       ldns_buffer_write(buff, "\003org\000", 5);
+       ldns_buffer_flip(buff);
+       unit_assert( pkt_dname_len(buff) == 5 );
+       unit_assert( ldns_buffer_position(buff) == 5);
+
+       ldns_buffer_clear(buff);
+       ldns_buffer_write(buff, "\002os\007example\003org\000", 16);
+       ldns_buffer_flip(buff);
+       unit_assert( pkt_dname_len(buff) == 16 );
+       unit_assert( ldns_buffer_position(buff) == 16);
+
+       /* invalid compression pointer: to self */
+       ldns_buffer_clear(buff);
+       ldns_buffer_write(buff, "\300\000os\007example\003org\000", 17);
+       ldns_buffer_flip(buff);
+       unit_assert( pkt_dname_len(buff) == 0 );
+
+       /* valid compression pointer */
+       ldns_buffer_clear(buff);
+       ldns_buffer_write(buff, "\003com\000\040\300\000", 8);
+       ldns_buffer_flip(buff);
+       ldns_buffer_set_position(buff, 6);
+       unit_assert( pkt_dname_len(buff) == 5 );
+       unit_assert( ldns_buffer_position(buff) == 8);
+
+       /* unknown label type */
+       ldns_buffer_clear(buff);
+       ldns_buffer_write(buff, "\002os\107example\003org\000", 16);
+       ldns_buffer_flip(buff);
+       unit_assert( pkt_dname_len(buff) == 0 );
+
+       /* label too long */
+       ldns_buffer_clear(buff);
+       ldns_buffer_write(buff, "\002os\047example\003org\000", 16);
+       ldns_buffer_flip(buff);
+       unit_assert( pkt_dname_len(buff) == 0 );
+
+       /* label exceeds packet */
+       ldns_buffer_clear(buff);
+       ldns_buffer_write(buff, "\002os\007example\007org\004", 16);
+       ldns_buffer_flip(buff);
+       unit_assert( pkt_dname_len(buff) == 0 );
+
+       /* name very long */
+       ldns_buffer_clear(buff);
+       ldns_buffer_write(buff, 
+               "\020a1cdef5555544444"
+               "\020a2cdef5555544444"
+               "\020a3cdef5555544444"
+               "\020a4cdef5555544444"
+               "\020a5cdef5555544444"
+               "\020a6cdef5555544444"
+               "\020a7cdef5555544444"
+               "\020a8cdef5555544444"
+               "\020a9cdef5555544444"
+               "\020aAcdef5555544444"
+               "\020aBcdef5555544444"
+               "\020aCcdef5555544444"
+               "\020aDcdef5555544444"
+               "\020aEcdef5555544444"  /* 238 up to here */
+               "\007aabbccd"           /* 246 up to here */
+               "\007example\000"       /* 255 to here */
+               , 255);
+       ldns_buffer_flip(buff);
+       unit_assert( pkt_dname_len(buff) == 255 );
+       unit_assert( ldns_buffer_position(buff) == 255);
+
+       /* name too long */
+       ldns_buffer_clear(buff);
+       ldns_buffer_write(buff, 
+               "\020a1cdef5555544444"
+               "\020a2cdef5555544444"
+               "\020a3cdef5555544444"
+               "\020a4cdef5555544444"
+               "\020a5cdef5555544444"
+               "\020a6cdef5555544444"
+               "\020a7cdef5555544444"
+               "\020a8cdef5555544444"
+               "\020a9cdef5555544444"
+               "\020aAcdef5555544444"
+               "\020aBcdef5555544444"
+               "\020aCcdef5555544444"
+               "\020aXcdef5555544444"
+               "\020aXcdef5555544444"
+               "\020aXcdef5555544444"
+               "\020aDcdef5555544444"
+               "\020aEcdef5555544444"  /* 238 up to here */
+               "\007aabbccd"           /* 246 up to here */
+               "\007example\000"       /* 255 to here */
+               , 255);
+       ldns_buffer_flip(buff);
+       unit_assert( pkt_dname_len(buff) == 0 );
+}
 
 /** test dname_lab_cmp */
 static void
@@ -248,6 +347,11 @@ dname_test_dname_lab_cmp()
                (uint8_t*)"\003aag\003bla\007example\003net", 5, 
                &ml) == -1);
        unit_assert(ml == 3);
+       unit_assert(dname_lab_cmp(
+               (uint8_t*)"\02sn\003opt\003aag\007example\003net", 6, 
+               (uint8_t*)"\02sn\003opt\003bla\007example\003net", 6, 
+               &ml) == -1);
+       unit_assert(ml == 3);
 
        /* but lowercase/uppercase does not make a difference. */
        unit_assert(dname_lab_cmp(
@@ -267,5 +371,6 @@ void dname_test()
        dname_test_count_labels();
        dname_test_count_size_labels();
        dname_test_dname_lab_cmp();
+       dname_test_pkt_dname_len(buff);
        ldns_buffer_free(buff);
 }