release/src/router/nettle/testsuite/base64-test.c

   1 #include "testutils.h"
   2 #include "base64.h"
   3
   4 void
   5 test_main(void)
   6 {
   7   ASSERT(BASE64_ENCODE_LENGTH(0) == 0);   /* At most   4 bits */
   8   ASSERT(BASE64_ENCODE_LENGTH(1) == 2);   /* At most  12 bits */
   9   ASSERT(BASE64_ENCODE_LENGTH(2) == 3);   /* At most  20 bits */
  10   ASSERT(BASE64_ENCODE_LENGTH(3) == 4);   /* At most  28 bits */
  11   ASSERT(BASE64_ENCODE_LENGTH(4) == 6);   /* At most  36 bits */
  12   ASSERT(BASE64_ENCODE_LENGTH(5) == 7);   /* At most  44 bits */
  13   ASSERT(BASE64_ENCODE_LENGTH(12) == 16); /* At most 100 bits */
  14   ASSERT(BASE64_ENCODE_LENGTH(13) == 18); /* At most 108 bits */
  15
  16   ASSERT(BASE64_DECODE_LENGTH(0) == 0); /* At most  6 bits */
  17   ASSERT(BASE64_DECODE_LENGTH(1) == 1); /* At most 12 bits */
  18   ASSERT(BASE64_DECODE_LENGTH(2) == 2); /* At most 18 bits */
  19   ASSERT(BASE64_DECODE_LENGTH(3) == 3); /* At most 24 bits */
  20   ASSERT(BASE64_DECODE_LENGTH(4) == 3); /* At most 30 bits */
  21
  22   test_armor(&nettle_base64, 0, "", "");
  23   test_armor(&nettle_base64, 1, "H", "SA==");
  24   test_armor(&nettle_base64, 2, "He", "SGU=");
  25   test_armor(&nettle_base64, 3, "Hel", "SGVs");
  26   test_armor(&nettle_base64, 4, "Hell", "SGVsbA==");
  27   test_armor(&nettle_base64, 5, "Hello", "SGVsbG8=");
  28   test_armor(&nettle_base64, 6, "Hello", "SGVsbG8A");
  29   test_armor(&nettle_base64, 4, "\xff\xff\xff\xff", "/////w==");
  30
  31   {
  32     /* Test overlapping areas */
  33     uint8_t buffer[] = "Helloxxxx";
  34     struct base64_decode_ctx ctx;
  35     unsigned dst_length;
  36
  37     ASSERT(BASE64_ENCODE_RAW_LENGTH(5) == 8);
  38     base64_encode_raw(buffer, 5, buffer);
  39     ASSERT(MEMEQ(9, buffer, "SGVsbG8=x"));
  40
  41     base64_decode_init(&ctx);
  42     dst_length = 8;
  43     ASSERT(base64_decode_update(&ctx, &dst_length, buffer, 8, buffer));
  44     ASSERT(dst_length == 5);
  45
  46     ASSERT(MEMEQ(9, buffer, "HelloG8=x"));
  47   }
  48 }