@@ -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
@@ -30,11 +30,13 @@
 @implementation TestsAppDelegate (SHA512HashTests)
 - (void)SHA512HashTests
 {
 	void *pool = objc_autoreleasePoolPush();
 	OFSHA512Hash *SHA512, *SHA512Copy;
-	OFFile *file = [OFFile fileWithPath: @"testfile.bin" mode: @"r"];
+	OFURL *URL = [OFURL URLWithString: @"objfw-embedded:///testfile.bin"];
+	OFStream *file = [[OFURLHandler handlerForURL: URL]
+	    openItemAtURL: URL mode: @"r"];
 
 	TEST(@"+[hashWithAllowsSwappableMemory:]",
 	    (SHA512 = [OFSHA512Hash hashWithAllowsSwappableMemory: true]))
 
 	while (!file.atEndOfStream) {
@@ -44,10 +46,13 @@
 	}
 	[file close];
 
 	TEST(@"-[copy]", (SHA512Copy = [[SHA512 copy] autorelease]))
 
+	TEST(@"-[calculate]",
+	    R([SHA512 calculate]) && R([SHA512Copy calculate]))
+
 	TEST(@"-[digest]",
 	    memcmp(SHA512.digest, testFileSHA512, 64) == 0 &&
 	    memcmp(SHA512Copy.digest, testFileSHA512, 64) == 0)
 
 	EXPECT_EXCEPTION(@"Detect invalid call of "