digest: correct assert_equal usage in test_sha3

assert_equal accepts an expected value as the first argument.

Author: rhenium

test/openssl/test_digest.rb

@@ -103,10 +103,10 @@ def test_sha3
     s256 = 'a7ffc6f8bf1ed76651c14756a061d662f580ff4de43b49fa82d80a4b80f8434a'
     s384 = '0c63a75b845e4f7d01107d852e4c2485c51a50aaaa94fc61995e71bbee983a2ac3713831264adb47fb6bd1e058d5f004'
     s512 = 'a69f73cca23a9ac5c8b567dc185a756e97c982164fe25859e0d1dcc1475c80a615b2123af1f5f94c11e3e9402c3ac558f500199d95b6d3e301758586281dcd26'
-    assert_equal(OpenSSL::Digest.hexdigest('SHA3-224', ""), s224)
-    assert_equal(OpenSSL::Digest.hexdigest('SHA3-256', ""), s256)
-    assert_equal(OpenSSL::Digest.hexdigest('SHA3-384', ""), s384)
-    assert_equal(OpenSSL::Digest.hexdigest('SHA3-512', ""), s512)
+    assert_equal(s224, OpenSSL::Digest.hexdigest('SHA3-224', ""))
+    assert_equal(s256, OpenSSL::Digest.hexdigest('SHA3-256', ""))
+    assert_equal(s384, OpenSSL::Digest.hexdigest('SHA3-384', ""))
+    assert_equal(s512, OpenSSL::Digest.hexdigest('SHA3-512', ""))
   end
 
   def test_digest_by_oid_and_name_sha2