1 files changed, 261 insertions, 0 deletions
diff --git a/gnulib-tests/test-base32.c b/gnulib-tests/test-base32.c
new file mode 100644
index 0000000..1f667f3
--- /dev/null
+++ b/gnulib-tests/test-base32.c
@@ -0,0 +1,261 @@
+/* Self tests for base32.
+   Copyright (C) 2004, 2008-2022 Free Software Foundation, Inc.
+   Based on the tests for base64 written by Simon Josefsson.
+   Adapted for base32 by Gijs van Tulder.
+
+   This program is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
+
+#include <config.h>
+
+#include "base32.h"
+
+#include <stddef.h>
+#include <stdbool.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdint.h>
+
+#include "macros.h"
+
+int
+main (void)
+{
+  const char *in = "abcdefghijklmnop";
+  const char *b32in = "MFRGGZDFMZTWQ2LKNNWG23TPOA======";
+  char out[255];
+  idx_t len;
+  bool ok;
+  char *p;
+
+  memset (out, 0x42, sizeof (out));
+  base32_encode (in, 0, out, 0);
+  ASSERT (out[0] == '\x42');
+
+  memset (out, 0x42, sizeof (out));
+  base32_encode (in, 1, out, 10);
+  ASSERT (memcmp (out, "ME======", 1) == 0);
+
+  memset (out, 0x42, sizeof (out));
+  base32_encode (in, 1, out, 2);
+  ASSERT (memcmp (out, "ME======", 2) == 0);
+
+  memset (out, 0x42, sizeof (out));
+  base32_encode (in, 1, out, 3);
+  ASSERT (memcmp (out, "ME======", 3) == 0);
+
+  memset (out, 0x42, sizeof (out));
+  base32_encode (in, 1, out, 4);
+  ASSERT (memcmp (out, "ME======", 4) == 0);
+
+  memset (out, 0x42, sizeof (out));
+  base32_encode (in, 1, out, 8);
+  ASSERT (memcmp (out, "ME======", 8) == 0);
+
+  memset (out, 0x42, sizeof (out));
+  base32_encode (in, 2, out, 8);
+  ASSERT (memcmp (out, "MFRA====", 8) == 0);
+
+  memset (out, 0x42, sizeof (out));
+  base32_encode (in, 3, out, 8);
+  ASSERT (memcmp (out, "MFRGG===", 8) == 0);
+
+  memset (out, 0x42, sizeof (out));
+  base32_encode (in, 4, out, 8);
+  ASSERT (memcmp (out, "MFRGGZA=", 8) == 0);
+
+  memset (out, 0x42, sizeof (out));
+  base32_encode (in, 5, out, 8);
+  ASSERT (memcmp (out, "MFRGGZDF", 8) == 0);
+
+  memset (out, 0x42, sizeof (out));
+  base32_encode (in, 6, out, 16);
+  ASSERT (memcmp (out, "MFRGGZDFMY======", 16) == 0);
+
+  memset (out, 0x42, sizeof (out));
+  base32_encode (in, 6, out, 100);
+  ASSERT (memcmp (out, "MFRGGZDFMY======", 16) == 0);
+
+  /* Decode. */
+
+  memset (out, 0x42, sizeof (out));
+  len = 0;
+  ok = base32_decode (b32in, 8, out, &len);
+  ASSERT (ok);
+  ASSERT (len == 0);
+
+  memset (out, 0x42, sizeof (out));
+  len = 1;
+  ok = base32_decode (b32in, 8, out, &len);
+  ASSERT (ok);
+  ASSERT (len == 1);
+  ASSERT (memcmp (out, "abcdefghijklmnop", 1) == 0);
+
+  memset (out, 0x42, sizeof (out));
+  len = 2;
+  ok = base32_decode (b32in, 8, out, &len);
+  ASSERT (ok);
+  ASSERT (len == 2);
+  ASSERT (memcmp (out, "abcdefghijklmnop", 2) == 0);
+
+  memset (out, 0x42, sizeof (out));
+  len = 3;
+  ok = base32_decode (b32in, 8, out, &len);
+  ASSERT (ok);
+  ASSERT (len == 3);
+  ASSERT (memcmp (out, "abcdefghijklmnop", 3) == 0);
+
+  memset (out, 0x42, sizeof (out));
+  len = 4;
+  ok = base32_decode (b32in, 8, out, &len);
+  ASSERT (ok);
+  ASSERT (len == 4);
+  ASSERT (memcmp (out, "abcdefghijklmnop", 4) == 0);
+
+  memset (out, 0x42, sizeof (out));
+  len = 5;
+  ok = base32_decode (b32in, 8, out, &len);
+  ASSERT (ok);
+  ASSERT (len == 5);
+  ASSERT (memcmp (out, "abcdefghijklmnop", 5) == 0);
+
+  memset (out, 0x42, sizeof (out));
+  len = 6;
+  ok = base32_decode (b32in, 8, out, &len);
+  ASSERT (ok);
+  ASSERT (len == 5);
+  ASSERT (memcmp (out, "abcdefghijklmnop", 5) == 0);
+
+  memset (out, 0x42, sizeof (out));
+  len = 100;
+  ok = base32_decode (b32in, strlen (b32in), out, &len);
+  ASSERT (ok);
+  ASSERT (len == 16);
+  ASSERT (memcmp (out, "abcdefghijklmnop", 16) == 0);
+
+  /* Allocating encode */
+
+  len = base32_encode_alloc (in, strlen (in), &p);
+  ASSERT (len == 32);
+  ASSERT (strcmp (p, "MFRGGZDFMZTWQ2LKNNWG23TPOA======") == 0);
+  free (p);
+
+  len = base32_encode_alloc (in, IDX_MAX - 5, &p);
+  ASSERT (len == 0);
+
+  /* Decode context function */
+  {
+    struct base32_decode_context ctx;
+
+    base32_decode_ctx_init (&ctx);
+
+    len = sizeof (out);
+    ok = base32_decode_ctx (&ctx, b32in, strlen (b32in), out, &len);
+    ASSERT (ok);
+    ASSERT (len == 16);
+    ASSERT (memcmp (out, "abcdefghijklmnop", len) == 0);
+  }
+
+  /* Allocating decode context function */
+
+  ok = base32_decode_alloc_ctx (NULL, b32in, strlen (b32in), &p, &len);
+  ASSERT (ok);
+  ASSERT (len == 16);
+  ASSERT (memcmp (out, "abcdefghijklmnop", len) == 0);
+  free (p);
+
+  {
+    struct base32_decode_context ctx;
+    const char *newlineb32 = "MFRG\nGZDFMZTWQ2LKNNW\nG23TPOA======";
+
+    base32_decode_ctx_init (&ctx);
+
+    ok = base32_decode_alloc_ctx (&ctx, newlineb32, strlen (newlineb32), &p, &len);
+    ASSERT (ok);
+    ASSERT (len == strlen (in));
+    ASSERT (memcmp (p, in, len) == 0);
+    free (p);
+  }
+
+  {
+    struct base32_decode_context ctx;
+    base32_decode_ctx_init (&ctx);
+
+    ok = base32_decode_alloc_ctx (&ctx, "MFRGGZDFM\nZTWQ2LK", 17, &p, &len);
+    ASSERT (ok);
+    ASSERT (len == 10);
+    ASSERT (memcmp (p, "abcdefghij", len) == 0);
+    free (p);
+
+    base32_decode_ctx_init (&ctx);
+
+    ok = base32_decode_alloc_ctx (&ctx, "MF\n", 3, &p, &len);
+    ASSERT (ok);
+    ASSERT (len == 0);
+    free (p);
+
+    ok = base32_decode_alloc_ctx (&ctx, "RGGZDFMZ", 8, &p, &len);
+    ASSERT (ok);
+    ASSERT (len == 5);
+    ASSERT (memcmp (p, "abcde", len) == 0);
+    free (p);
+
+    ok = base32_decode_alloc_ctx (&ctx, "TWQ2LK", 6, &p, &len);
+    ASSERT (ok);
+    ASSERT (len == 5);
+    ASSERT (memcmp (p, "fghij", len) == 0);
+    free (p);
+
+    ok = base32_decode_alloc_ctx (&ctx, "", 0, &p, &len);
+    ASSERT (ok);
+    free (p);
+  }
+
+  {
+    struct base32_decode_context ctx;
+    const char *newlineb32 = "\n\n\n\n\n";
+
+    base32_decode_ctx_init (&ctx);
+
+    ok = base32_decode_alloc_ctx (&ctx, newlineb32, strlen (newlineb32), &p, &len);
+    ASSERT (ok);
+    ASSERT (len == 0);
+    free (p);
+  }
+
+  ok = base32_decode_alloc_ctx (NULL, " ! ", 3, &p, &len);
+  ASSERT (!ok);
+
+  ok = base32_decode_alloc_ctx (NULL, "ABC\nDEF", 7, &p, &len);
+  ASSERT (!ok);
+
+  ok = base32_decode_alloc_ctx (NULL, "AA", 2, &p, &len);
+  ASSERT (!ok);
+
+  ok = base32_decode_alloc_ctx (NULL, "AA=", 3, &p, &len);
+  ASSERT (!ok);
+
+  ok = base32_decode_alloc_ctx (NULL, "AABBAAxx", 8, &p, &len);
+  ASSERT (!ok);
+
+  ok = base32_decode_alloc_ctx (NULL, "AABBAA=X", 8, &p, &len);
+  ASSERT (!ok);
+
+  ok = base32_decode_alloc_ctx (NULL, "AABBAA=X", 8, &p, &len);
+  ASSERT (!ok);
+
+  ok = base32_decode_alloc_ctx (NULL, "AABBAA=A", 8, &p, &len);
+  ASSERT (!ok);
+
+  return 0;
+}