unittest: test base64 encode/decode

tests/data/test1302

+<testcase>
+<info>
+<keywords>
+unittest
+llist
+</keywords>
+</info>
+
+#
+# Client-side
+<client>
+<server>
+none
+</server>
+<features>
+unittest
+</features>
+ <name>
+base64 encode/decode unit tests
+ </name>
+<tool>
+unit1302
+</tool>
+</client>
+
+</testcase>

tests/unit/Makefile.inc

@@ -3,7 +3,8 @@
 UNITFILES = curlcheck.h
 
 # These are all unit test programs
-noinst_PROGRAMS = unit1300 unit1301
+noinst_PROGRAMS = unit1300 unit1301 unit1302
 
 unit1300_SOURCES = unit1300.c $(UNITFILES)
 unit1301_SOURCES = unit1301.c $(UNITFILES)
+unit1302_SOURCES = unit1302.c $(UNITFILES)

tests/unit/unit1302.c

+#include <stdlib.h>
+#include "curl_config.h"
+#include "setup.h"
+
+#include "urldata.h"
+#include "curl_base64.h"
+#include "curlcheck.h"
+#include "memdebug.h" /* LAST include file */
+
+static struct SessionHandle *data;
+
+static void unit_setup( void )
+{
+  data = curl_easy_init();
+}
+static void unit_stop( void )
+{
+  curl_easy_cleanup(data);
+}
+
+UNITTEST_START
+
+char *output;
+unsigned char *decoded;
+size_t rc;
+
+rc = Curl_base64_encode(data, "i", 1, &output);
+fail_unless( rc == 4 , "return code should be 4" );
+verify_memory( output, "aQ==", 4);
+free(output);
+
+rc = Curl_base64_encode(data, "ii", 2, &output);
+fail_unless( rc == 4 , "return code should be 4" );
+verify_memory( output, "aWk=", 4);
+free(output);
+
+rc = Curl_base64_encode(data, "iii", 3, &output);
+fail_unless( rc == 4 , "return code should be 4" );
+verify_memory( output, "aWlp", 4);
+free(output);
+
+rc = Curl_base64_encode(data, "iiii", 4, &output);
+fail_unless( rc == 8 , "return code should be 8" );
+verify_memory( output, "aWlpaQ==", 8);
+free(output);
+
+/* 0 length makes it do strlen() */
+rc = Curl_base64_encode(data, "iiii", 0, &output);
+fail_unless( rc == 8 , "return code should be 8" );
+verify_memory( output, "aWlpaQ==", 8);
+free(output);
+
+rc = Curl_base64_decode("aWlpaQ==", &decoded);
+fail_unless(rc == 4, "return code should be 4");
+verify_memory(decoded, "iiii", 4);
+free(decoded);
+
+rc = Curl_base64_decode("aWlp", &decoded);
+fail_unless(rc == 3, "return code should be 3");
+verify_memory(decoded, "iii", 3);
+free(decoded);
+
+rc = Curl_base64_decode("aWk=", &decoded);
+fail_unless(rc == 2, "return code should be 2");
+verify_memory(decoded, "ii", 2);
+free(decoded);
+
+rc = Curl_base64_decode("aQ==", &decoded);
+fail_unless(rc == 1, "return code should be 1");
+verify_memory(decoded, "i", 2);
+free(decoded);
+
+/* this is an illegal input */
+rc = Curl_base64_decode("aQ", &decoded);
+fail_unless(rc == 0, "return code should be 0");
+
+/* this is garbage input that libcurl decodes as far as possible */
+rc = Curl_base64_decode("a\x1f==", &decoded);
+fail_unless(rc == 1, "return code should be 1");
+free(decoded);
+
+UNITTEST_STOP