[test] Add self-tests for base64

Signed-off-by: Michael Brown <mcb30@ipxe.org>

src/tests/base64_test.c

@@ -0,0 +1,124 @@
+/*
+ * Copyright (C) 2012 Michael Brown <mbrown@fensystems.co.uk>.
+ *
+ * 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 2 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, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+/** @file
+ *
+ * Base64 tests
+ *
+ * Test vectors generated using "base64 -w 0"
+ *
+ */
+
+/* Forcibly enable assertions */
+#undef NDEBUG
+
+#include <stdint.h>
+#include <string.h>
+#include <ipxe/base64.h>
+#include <ipxe/test.h>
+
+/** A Base64 test */
+struct base64_test {
+	/** Raw data */
+	const void *data;
+	/** Length of raw data */
+	size_t len;
+	/** Base64-encoded data */
+	const char *encoded;
+};
+
+/** Define inline data */
+#define DATA(...) { __VA_ARGS__ }
+
+/** Define a base64 test */
+#define BASE64( name, DATA, ENCODED )					\
+	static const uint8_t name ## _data[] = DATA;			\
+	static struct base64_test name = {				\
+		.data = name ## _data,					\
+		.len = sizeof ( name ## _data ),			\
+		.encoded = ENCODED,					\
+	}
+
+/** Empty data test */
+BASE64 ( empty_test, DATA(), "" );
+
+/** "Hello world" test */
+BASE64 ( hw_test,
+	 DATA ( 'H', 'e', 'l', 'l', 'o', ' ', 'w', 'o', 'r', 'l', 'd' ),
+	 "SGVsbG8gd29ybGQ=" );
+
+/** Random data test */
+BASE64 ( random_test,
+	 DATA ( 0x36, 0x03, 0x84, 0xdc, 0x4e, 0x03, 0x46, 0xa0, 0xb5, 0x2d,
+		0x03, 0x6e, 0xd0, 0x56, 0xed, 0xa0, 0x37, 0x02, 0xac, 0xc6,
+		0x65, 0xd1 ),
+	 "NgOE3E4DRqC1LQNu0FbtoDcCrMZl0Q==" );
+
+/**
+ * Report a base64 encoding test result
+ *
+ * @v test		Base64 test
+ */
+#define base64_encode_ok( test ) do {					\
+	size_t len = base64_encoded_len ( (test)->len );		\
+	char buf[ len + 1 /* NUL */ ];					\
+	ok ( len == strlen ( (test)->encoded ) );			\
+	base64_encode ( (test)->data, (test)->len, buf );		\
+	ok ( strcmp ( (test)->encoded, buf ) == 0 );			\
+	} while ( 0 )
+
+/**
+ * Report a base64 decoding test result
+ *
+ * @v test		Base64 test
+ */
+#define base64_decode_ok( test ) do {					\
+	size_t max_len = base64_decoded_max_len ( (test)->encoded );	\
+	uint8_t buf[max_len];						\
+	int len;							\
+	len = base64_decode ( (test)->encoded, buf );			\
+	ok ( len >= 0 );						\
+	ok ( ( size_t ) len <= max_len );				\
+	ok ( ( size_t ) len == (test)->len );				\
+	ok ( memcmp ( (test)->data, buf, len ) == 0 );			\
+	} while ( 0 )
+
+/**
+ * Perform Base64 self-tests
+ *
+ */
+static void base64_test_exec ( void ) {
+
+	base64_encode_ok ( &empty_test );
+	base64_decode_ok ( &empty_test );
+
+	base64_encode_ok ( &hw_test );
+	base64_decode_ok ( &hw_test );
+
+	base64_encode_ok ( &random_test );
+	base64_decode_ok ( &random_test );
+}
+
+/** Base64 self-test */
+struct self_test base64_test __self_test = {
+	.name = "base64",
+	.exec = base64_test_exec,
+};

src/tests/tests.c

@@ -27,6 +27,7 @@ FILE_LICENCE ( GPL2_OR_LATER );
 /* Drag in all applicable self-tests */
 REQUIRE_OBJECT ( list_test );
 REQUIRE_OBJECT ( byteswap_test );
+REQUIRE_OBJECT ( base64_test );
 REQUIRE_OBJECT ( settings_test );
 REQUIRE_OBJECT ( time_test );
 REQUIRE_OBJECT ( crc32_test );