@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 2008-2021 Jonathan Schleifer <js@nil.im>
+ * Copyright (c) 2008-2022 Jonathan Schleifer <js@nil.im>
  *
  * All rights reserved.
  *
  * This file is part of ObjFW. It may be distributed under the terms of the
  * Q Public License 1.0, which can be found in the file LICENSE.QPL included in
@@ -17,40 +17,44 @@
 
 #include <string.h>
 
 #import "TestsAppDelegate.h"
 
-static OFString *module = @"OFMD5Hash";
+static OFString *const module = @"OFMD5Hash";
 
-const uint8_t testfile_md5[16] =
-	"\x00\x8B\x9D\x1B\x58\xDF\xF8\xFE\xEE\xF3\xAE\x8D\xBB\x68\x2D\x38";
+const uint8_t testFileMD5[16] =
+    "\x00\x8B\x9D\x1B\x58\xDF\xF8\xFE\xEE\xF3\xAE\x8D\xBB\x68\x2D\x38";
 
 @implementation TestsAppDelegate (OFMD5HashTests)
 - (void)MD5HashTests
 {
 	void *pool = objc_autoreleasePoolPush();
-	OFMD5Hash *md5, *copy;
-	OFFile *f = [OFFile fileWithPath: @"testfile.bin" mode: @"r"];
+	OFMD5Hash *MD5, *MD5Copy;
+	OFURL *URL = [OFURL URLWithString: @"objfw-embedded:///testfile.bin"];
+	OFStream *file = [[OFURLHandler handlerForURL: URL]
+	    openItemAtURL: URL mode: @"r"];
 
 	TEST(@"+[hashWithAllowsSwappableMemory:]",
-	    (md5 = [OFMD5Hash hashWithAllowsSwappableMemory: true]))
-
-	while (!f.atEndOfStream) {
-		char buf[64];
-		size_t len = [f readIntoBuffer: buf length: 64];
-		[md5 updateWithBuffer: buf length: len];
-	}
-	[f close];
-
-	TEST(@"-[copy]", (copy = [[md5 copy] autorelease]))
+	    (MD5 = [OFMD5Hash hashWithAllowsSwappableMemory: true]))
+
+	while (!file.atEndOfStream) {
+		char buffer[64];
+		size_t length = [file readIntoBuffer: buffer length: 64];
+		[MD5 updateWithBuffer: buffer length: length];
+	}
+	[file close];
+
+	TEST(@"-[copy]", (MD5Copy = [[MD5 copy] autorelease]))
+
+	TEST(@"-[calculate]", R([MD5 calculate]) && R([MD5Copy calculate]))
 
 	TEST(@"-[digest]",
-	    memcmp(md5.digest, testfile_md5, 16) == 0 &&
-	    memcmp(copy.digest, testfile_md5, 16) == 0)
+	    memcmp(MD5.digest, testFileMD5, 16) == 0 &&
+	    memcmp(MD5Copy.digest, testFileMD5, 16) == 0)
 
 	EXPECT_EXCEPTION(@"Detect invalid call of "
 	    @"-[updateWithBuffer:length]", OFHashAlreadyCalculatedException,
-	    [md5 updateWithBuffer: "" length: 1])
+	    [MD5 updateWithBuffer: "" length: 1])
 
 	objc_autoreleasePoolPop(pool);
 }
 @end