@@ -41,10 +41,12 @@
 		[SHA1 updateWithBuffer: buffer length: length];
 	}
 	[file close];
 
 	TEST(@"-[copy]", (SHA1Copy = [[SHA1 copy] autorelease]))
+
+	TEST(@"-[calculate]", R([SHA1 calculate]) && R([SHA1Copy calculate]))
 
 	TEST(@"-[digest]",
 	    memcmp(SHA1.digest, testFileSHA1, 20) == 0 &&
 	    memcmp(SHA1Copy.digest, testFileSHA1, 20) == 0)