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-rw-r--r--tests/base64_test.c121
1 files changed, 121 insertions, 0 deletions
diff --git a/tests/base64_test.c b/tests/base64_test.c
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+++ b/tests/base64_test.c
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+/*
+ Copyright 2011-2020 David Robillard <http://drobilla.net>
+
+ Permission to use, copy, modify, and/or distribute this software for any
+ purpose with or without fee is hereby granted, provided that the above
+ copyright notice and this permission notice appear in all copies.
+
+ THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+*/
+
+#undef NDEBUG
+
+#include "serd/serd.h"
+
+#include <assert.h>
+#include <stdbool.h>
+#include <stddef.h>
+#include <stdlib.h>
+#include <string.h>
+
+static int
+test_round_trip(void)
+{
+ for (size_t size = 1; size < 1024; ++size) {
+ const size_t len = serd_base64_encoded_length(size, true);
+
+ char* buf = (char*)malloc(size);
+ for (size_t i = 0; i < size; ++i) {
+ buf[i] = (char)i;
+ }
+
+ char* str = (char*)calloc(1, len + 1);
+ serd_base64_encode(str, buf, size, true);
+
+ const size_t max_size = serd_base64_decoded_size(len);
+ size_t copy_size = 0;
+ char* copy = (char*)malloc(max_size);
+ serd_base64_decode(copy, &copy_size, str, len);
+ assert(copy_size == size);
+ assert(!memcmp(buf, copy, size));
+
+ free(copy);
+ free(str);
+ free(buf);
+ }
+
+ return 0;
+}
+
+static void
+test_encoding_equals(const char* const input, const char* const expected)
+{
+ const size_t size = strlen(input);
+ const size_t len = serd_base64_encoded_length(size, true);
+
+ char* str = (char*)calloc(1, len + 1);
+ serd_base64_encode(str, input, size, true);
+
+ assert(!strcmp(str, expected));
+
+ free(str);
+}
+
+static int
+test_rfc4648_vectors(void)
+{
+ test_encoding_equals("f", "Zg==");
+ test_encoding_equals("fo", "Zm8=");
+ test_encoding_equals("foo", "Zm9v");
+ test_encoding_equals("foob", "Zm9vYg==");
+ test_encoding_equals("fooba", "Zm9vYmE=");
+ test_encoding_equals("foobar", "Zm9vYmFy");
+ return 0;
+}
+
+static void
+test_decoding_equals(const char* const base64, const char* const expected)
+{
+ const size_t len = strlen(base64);
+ const size_t size = serd_base64_decoded_size(len);
+
+ size_t buf_size = 0;
+ char* buf = (char*)malloc(size);
+ serd_base64_decode(buf, &buf_size, base64, len);
+
+ assert(buf_size <= size);
+ assert(!memcmp(buf, expected, buf_size));
+
+ free(buf);
+}
+
+static int
+test_junk(void)
+{
+ test_decoding_equals("?Zm9vYmFy", "foobar");
+ test_decoding_equals("Z?m9vYmFy", "foobar");
+ test_decoding_equals("?Z?m9vYmFy", "foobar");
+ test_decoding_equals("?Z??m9vYmFy", "foobar");
+ test_decoding_equals("?Z???m9vYmFy", "foobar");
+ test_decoding_equals("?Z????m9vYmFy", "foobar");
+
+ test_decoding_equals("Zm9vYmFy?", "foobar");
+ test_decoding_equals("Zm9vYmF?y?", "foobar");
+ test_decoding_equals("Zm9vYmF?y??", "foobar");
+ test_decoding_equals("Zm9vYmF?y???", "foobar");
+ test_decoding_equals("Zm9vYmF?y????", "foobar");
+
+ return 0;
+}
+
+int
+main(void)
+{
+ return test_round_trip() || test_rfc4648_vectors() || test_junk();
+}