diff --git a/SabreTools.DatItems.Test/Formats/RomTests.cs b/SabreTools.DatItems.Test/Formats/RomTests.cs
new file mode 100644
index 00000000..2e84d6fc
--- /dev/null
+++ b/SabreTools.DatItems.Test/Formats/RomTests.cs
@@ -0,0 +1,564 @@
+using SabreTools.DatItems.Formats;
+using SabreTools.Hashing;
+using Xunit;
+
+namespace SabreTools.DatItems.Test.Formats
+{
+    public class RomTests
+    {
+        #region FillMissingInformation
+
+        [Fact]
+        public void FillMissingInformation_BothEmpty()
+        {
+            Rom self = new Rom();
+            Rom other = new Rom();
+
+            self.FillMissingInformation(other);
+
+            Assert.Null(self.GetStringFieldValue(Models.Metadata.Rom.CRCKey));
+            Assert.Null(self.GetStringFieldValue(Models.Metadata.Rom.MD5Key));
+            Assert.Null(self.GetStringFieldValue(Models.Metadata.Rom.SHA1Key));
+            Assert.Null(self.GetStringFieldValue(Models.Metadata.Rom.SHA256Key));
+            Assert.Null(self.GetStringFieldValue(Models.Metadata.Rom.SHA384Key));
+            Assert.Null(self.GetStringFieldValue(Models.Metadata.Rom.SHA512Key));
+            Assert.Null(self.GetStringFieldValue(Models.Metadata.Rom.SpamSumKey));
+        }
+
+        [Fact]
+        public void FillMissingInformation_AllMissing()
+        {
+            Rom self = new Rom();
+
+            Rom other = new Rom();
+            other.SetFieldValue(Models.Metadata.Rom.CRCKey, "XXXXXX");
+            other.SetFieldValue(Models.Metadata.Rom.MD5Key, "XXXXXX");
+            other.SetFieldValue(Models.Metadata.Rom.SHA1Key, "XXXXXX");
+            other.SetFieldValue(Models.Metadata.Rom.SHA256Key, "XXXXXX");
+            other.SetFieldValue(Models.Metadata.Rom.SHA384Key, "XXXXXX");
+            other.SetFieldValue(Models.Metadata.Rom.SHA512Key, "XXXXXX");
+            other.SetFieldValue(Models.Metadata.Rom.SpamSumKey, "XXXXXX");
+
+            self.FillMissingInformation(other);
+
+            Assert.Equal("XXXXXX", self.GetStringFieldValue(Models.Metadata.Rom.CRCKey));
+            Assert.Equal("XXXXXX", self.GetStringFieldValue(Models.Metadata.Rom.MD5Key));
+            Assert.Equal("XXXXXX", self.GetStringFieldValue(Models.Metadata.Rom.SHA1Key));
+            Assert.Equal("XXXXXX", self.GetStringFieldValue(Models.Metadata.Rom.SHA256Key));
+            Assert.Equal("XXXXXX", self.GetStringFieldValue(Models.Metadata.Rom.SHA384Key));
+            Assert.Equal("XXXXXX", self.GetStringFieldValue(Models.Metadata.Rom.SHA512Key));
+            Assert.Equal("XXXXXX", self.GetStringFieldValue(Models.Metadata.Rom.SpamSumKey));
+        }
+
+        #endregion
+
+        #region GetDuplicateSuffix
+
+        [Fact]
+        public void GetDuplicateSuffix_NoHash_Generic()
+        {
+            Rom self = new Rom();
+            string actual = self.GetDuplicateSuffix();
+            Assert.Equal("_1", actual);
+        }
+
+        [Fact]
+        public void GetDuplicateSuffix_CRC()
+        {
+            string hash = "XXXXXX";
+            Rom self = new Rom();
+            self.SetFieldValue(Models.Metadata.Rom.CRCKey, hash);
+
+            string actual = self.GetDuplicateSuffix();
+            Assert.Equal($"_{hash}", actual);
+        }
+
+        [Fact]
+        public void GetDuplicateSuffix_MD5()
+        {
+            string hash = "XXXXXX";
+            Rom self = new Rom();
+            self.SetFieldValue(Models.Metadata.Rom.MD5Key, hash);
+
+            string actual = self.GetDuplicateSuffix();
+            Assert.Equal($"_{hash}", actual);
+        }
+
+        [Fact]
+        public void GetDuplicateSuffix_SHA1()
+        {
+            string hash = "XXXXXX";
+            Rom self = new Rom();
+            self.SetFieldValue(Models.Metadata.Rom.SHA1Key, hash);
+
+            string actual = self.GetDuplicateSuffix();
+            Assert.Equal($"_{hash}", actual);
+        }
+
+        [Fact]
+        public void GetDuplicateSuffix_SHA256()
+        {
+            string hash = "XXXXXX";
+            Rom self = new Rom();
+            self.SetFieldValue(Models.Metadata.Rom.SHA256Key, hash);
+
+            string actual = self.GetDuplicateSuffix();
+            Assert.Equal($"_{hash}", actual);
+        }
+
+        [Fact]
+        public void GetDuplicateSuffix_SHA384()
+        {
+            string hash = "XXXXXX";
+            Rom self = new Rom();
+            self.SetFieldValue(Models.Metadata.Rom.SHA384Key, hash);
+
+            string actual = self.GetDuplicateSuffix();
+            Assert.Equal($"_{hash}", actual);
+        }
+
+        [Fact]
+        public void GetDuplicateSuffix_SHA512()
+        {
+            string hash = "XXXXXX";
+            Rom self = new Rom();
+            self.SetFieldValue(Models.Metadata.Rom.SHA512Key, hash);
+
+            string actual = self.GetDuplicateSuffix();
+            Assert.Equal($"_{hash}", actual);
+        }
+
+        [Fact]
+        public void GetDuplicateSuffix_SpamSum()
+        {
+            string hash = "XXXXXX";
+            Rom self = new Rom();
+            self.SetFieldValue(Models.Metadata.Rom.SpamSumKey, hash);
+
+            string actual = self.GetDuplicateSuffix();
+            Assert.Equal($"_{hash}", actual);
+        }
+
+        #endregion
+
+        #region HasHashes
+
+        [Fact]
+        public void HasHashes_NoHash_False()
+        {
+            Rom self = new Rom();
+            bool actual = self.HasHashes();
+            Assert.False(actual);
+        }
+
+        [Fact]
+        public void HasHashes_CRC_True()
+        {
+            Rom self = new Rom();
+            self.SetFieldValue(Models.Metadata.Rom.CRCKey, "XXXXXX");
+            self.SetFieldValue(Models.Metadata.Rom.MD5Key, string.Empty);
+            self.SetFieldValue(Models.Metadata.Rom.SHA1Key, string.Empty);
+            self.SetFieldValue(Models.Metadata.Rom.SHA256Key, string.Empty);
+            self.SetFieldValue(Models.Metadata.Rom.SHA384Key, string.Empty);
+            self.SetFieldValue(Models.Metadata.Rom.SHA512Key, string.Empty);
+            self.SetFieldValue(Models.Metadata.Rom.SpamSumKey, string.Empty);
+
+            bool actual = self.HasHashes();
+            Assert.True(actual);
+        }
+
+        [Fact]
+        public void HasHashes_MD5_True()
+        {
+            Rom self = new Rom();
+            self.SetFieldValue(Models.Metadata.Rom.CRCKey, string.Empty);
+            self.SetFieldValue(Models.Metadata.Rom.MD5Key, "XXXXXX");
+            self.SetFieldValue(Models.Metadata.Rom.SHA1Key, string.Empty);
+            self.SetFieldValue(Models.Metadata.Rom.SHA256Key, string.Empty);
+            self.SetFieldValue(Models.Metadata.Rom.SHA384Key, string.Empty);
+            self.SetFieldValue(Models.Metadata.Rom.SHA512Key, string.Empty);
+            self.SetFieldValue(Models.Metadata.Rom.SpamSumKey, string.Empty);
+
+            bool actual = self.HasHashes();
+            Assert.True(actual);
+        }
+
+        [Fact]
+        public void HasHashes_SHA1_True()
+        {
+            Rom self = new Rom();
+            self.SetFieldValue(Models.Metadata.Rom.CRCKey, string.Empty);
+            self.SetFieldValue(Models.Metadata.Rom.MD5Key, string.Empty);
+            self.SetFieldValue(Models.Metadata.Rom.SHA1Key, "XXXXXX");
+            self.SetFieldValue(Models.Metadata.Rom.SHA256Key, string.Empty);
+            self.SetFieldValue(Models.Metadata.Rom.SHA384Key, string.Empty);
+            self.SetFieldValue(Models.Metadata.Rom.SHA512Key, string.Empty);
+            self.SetFieldValue(Models.Metadata.Rom.SpamSumKey, string.Empty);
+
+            bool actual = self.HasHashes();
+            Assert.True(actual);
+        }
+
+        [Fact]
+        public void HasHashes_SHA256_True()
+        {
+            Rom self = new Rom();
+            self.SetFieldValue(Models.Metadata.Rom.CRCKey, string.Empty);
+            self.SetFieldValue(Models.Metadata.Rom.MD5Key, string.Empty);
+            self.SetFieldValue(Models.Metadata.Rom.SHA1Key, string.Empty);
+            self.SetFieldValue(Models.Metadata.Rom.SHA256Key, "XXXXXX");
+            self.SetFieldValue(Models.Metadata.Rom.SHA384Key, string.Empty);
+            self.SetFieldValue(Models.Metadata.Rom.SHA512Key, string.Empty);
+            self.SetFieldValue(Models.Metadata.Rom.SpamSumKey, string.Empty);
+
+            bool actual = self.HasHashes();
+            Assert.True(actual);
+        }
+
+        [Fact]
+        public void HasHashes_SHA384_True()
+        {
+            Rom self = new Rom();
+            self.SetFieldValue(Models.Metadata.Rom.CRCKey, string.Empty);
+            self.SetFieldValue(Models.Metadata.Rom.MD5Key, string.Empty);
+            self.SetFieldValue(Models.Metadata.Rom.SHA1Key, string.Empty);
+            self.SetFieldValue(Models.Metadata.Rom.SHA256Key, string.Empty);
+            self.SetFieldValue(Models.Metadata.Rom.SHA384Key, "XXXXXX");
+            self.SetFieldValue(Models.Metadata.Rom.SHA512Key, string.Empty);
+            self.SetFieldValue(Models.Metadata.Rom.SpamSumKey, string.Empty);
+
+            bool actual = self.HasHashes();
+            Assert.True(actual);
+        }
+
+        [Fact]
+        public void HasHashes_SHA512_True()
+        {
+            Rom self = new Rom();
+            self.SetFieldValue(Models.Metadata.Rom.CRCKey, string.Empty);
+            self.SetFieldValue(Models.Metadata.Rom.MD5Key, string.Empty);
+            self.SetFieldValue(Models.Metadata.Rom.SHA1Key, string.Empty);
+            self.SetFieldValue(Models.Metadata.Rom.SHA256Key, string.Empty);
+            self.SetFieldValue(Models.Metadata.Rom.SHA384Key, string.Empty);
+            self.SetFieldValue(Models.Metadata.Rom.SHA512Key, "XXXXXX");
+            self.SetFieldValue(Models.Metadata.Rom.SpamSumKey, string.Empty);
+
+            bool actual = self.HasHashes();
+            Assert.True(actual);
+        }
+
+        [Fact]
+        public void HasHashes_SpamSum_True()
+        {
+            Rom self = new Rom();
+            self.SetFieldValue(Models.Metadata.Rom.CRCKey, string.Empty);
+            self.SetFieldValue(Models.Metadata.Rom.MD5Key, string.Empty);
+            self.SetFieldValue(Models.Metadata.Rom.SHA1Key, string.Empty);
+            self.SetFieldValue(Models.Metadata.Rom.SHA256Key, string.Empty);
+            self.SetFieldValue(Models.Metadata.Rom.SHA384Key, string.Empty);
+            self.SetFieldValue(Models.Metadata.Rom.SHA512Key, string.Empty);
+            self.SetFieldValue(Models.Metadata.Rom.SpamSumKey, "XXXXXX");
+
+            bool actual = self.HasHashes();
+            Assert.True(actual);
+        }
+
+        [Fact]
+        public void HasHashes_All_True()
+        {
+            Rom self = new Rom();
+            self.SetFieldValue(Models.Metadata.Rom.CRCKey, "XXXXXX");
+            self.SetFieldValue(Models.Metadata.Rom.MD5Key, "XXXXXX");
+            self.SetFieldValue(Models.Metadata.Rom.SHA1Key, "XXXXXX");
+            self.SetFieldValue(Models.Metadata.Rom.SHA256Key, "XXXXXX");
+            self.SetFieldValue(Models.Metadata.Rom.SHA384Key, "XXXXXX");
+            self.SetFieldValue(Models.Metadata.Rom.SHA512Key, "XXXXXX");
+            self.SetFieldValue(Models.Metadata.Rom.SpamSumKey, "XXXXXX");
+
+            bool actual = self.HasHashes();
+            Assert.True(actual);
+        }
+
+        #endregion
+
+        #region HasZeroHash
+
+        [Fact]
+        public void HasZeroHash_NoHash_True()
+        {
+            Rom self = new Rom();
+            bool actual = self.HasZeroHash();
+            Assert.True(actual);
+        }
+
+        [Fact]
+        public void HasZeroHash_NonZeroHash_False()
+        {
+            Rom self = new Rom();
+            self.SetFieldValue(Models.Metadata.Rom.CRCKey, "XXXXXX");
+            self.SetFieldValue(Models.Metadata.Rom.MD5Key, "XXXXXX");
+            self.SetFieldValue(Models.Metadata.Rom.SHA1Key, "XXXXXX");
+            self.SetFieldValue(Models.Metadata.Rom.SHA256Key, "XXXXXX");
+            self.SetFieldValue(Models.Metadata.Rom.SHA384Key, "XXXXXX");
+            self.SetFieldValue(Models.Metadata.Rom.SHA512Key, "XXXXXX");
+            self.SetFieldValue(Models.Metadata.Rom.SpamSumKey, "XXXXXX");
+
+            bool actual = self.HasZeroHash();
+            Assert.False(actual);
+        }
+
+        [Fact]
+        public void HasZeroHash_ZeroCRC_True()
+        {
+            Rom self = new Rom();
+            self.SetFieldValue(Models.Metadata.Rom.CRCKey, ZeroHash.CRC32Str);
+            self.SetFieldValue(Models.Metadata.Rom.MD5Key, string.Empty);
+            self.SetFieldValue(Models.Metadata.Rom.SHA1Key, string.Empty);
+            self.SetFieldValue(Models.Metadata.Rom.SHA256Key, string.Empty);
+            self.SetFieldValue(Models.Metadata.Rom.SHA384Key, string.Empty);
+            self.SetFieldValue(Models.Metadata.Rom.SHA512Key, string.Empty);
+            self.SetFieldValue(Models.Metadata.Rom.SpamSumKey, string.Empty);
+
+            bool actual = self.HasZeroHash();
+            Assert.True(actual);
+        }
+
+        [Fact]
+        public void HasZeroHash_ZeroMD5_True()
+        {
+            Rom self = new Rom();
+            self.SetFieldValue(Models.Metadata.Rom.CRCKey, string.Empty);
+            self.SetFieldValue(Models.Metadata.Rom.MD5Key, ZeroHash.MD5Str);
+            self.SetFieldValue(Models.Metadata.Rom.SHA1Key, string.Empty);
+            self.SetFieldValue(Models.Metadata.Rom.SHA256Key, string.Empty);
+            self.SetFieldValue(Models.Metadata.Rom.SHA384Key, string.Empty);
+            self.SetFieldValue(Models.Metadata.Rom.SHA512Key, string.Empty);
+            self.SetFieldValue(Models.Metadata.Rom.SpamSumKey, string.Empty);
+
+            bool actual = self.HasZeroHash();
+            Assert.True(actual);
+        }
+
+        [Fact]
+        public void HasZeroHash_ZeroSHA1_True()
+        {
+            Rom self = new Rom();
+            self.SetFieldValue(Models.Metadata.Rom.CRCKey, string.Empty);
+            self.SetFieldValue(Models.Metadata.Rom.MD5Key, string.Empty);
+            self.SetFieldValue(Models.Metadata.Rom.SHA1Key, ZeroHash.SHA1Str);
+            self.SetFieldValue(Models.Metadata.Rom.SHA256Key, string.Empty);
+            self.SetFieldValue(Models.Metadata.Rom.SHA384Key, string.Empty);
+            self.SetFieldValue(Models.Metadata.Rom.SHA512Key, string.Empty);
+            self.SetFieldValue(Models.Metadata.Rom.SpamSumKey, string.Empty);
+
+            bool actual = self.HasZeroHash();
+            Assert.True(actual);
+        }
+
+        [Fact]
+        public void HasZeroHash_ZeroSHA256_True()
+        {
+            Rom self = new Rom();
+            self.SetFieldValue(Models.Metadata.Rom.CRCKey, string.Empty);
+            self.SetFieldValue(Models.Metadata.Rom.MD5Key, string.Empty);
+            self.SetFieldValue(Models.Metadata.Rom.SHA1Key, string.Empty);
+            self.SetFieldValue(Models.Metadata.Rom.SHA256Key, ZeroHash.SHA256Str);
+            self.SetFieldValue(Models.Metadata.Rom.SHA384Key, string.Empty);
+            self.SetFieldValue(Models.Metadata.Rom.SHA512Key, string.Empty);
+            self.SetFieldValue(Models.Metadata.Rom.SpamSumKey, string.Empty);
+
+            bool actual = self.HasZeroHash();
+            Assert.True(actual);
+        }
+
+        [Fact]
+        public void HasZeroHash_ZeroSHA384_True()
+        {
+            Rom self = new Rom();
+            self.SetFieldValue(Models.Metadata.Rom.CRCKey, string.Empty);
+            self.SetFieldValue(Models.Metadata.Rom.MD5Key, string.Empty);
+            self.SetFieldValue(Models.Metadata.Rom.SHA1Key, string.Empty);
+            self.SetFieldValue(Models.Metadata.Rom.SHA256Key, string.Empty);
+            self.SetFieldValue(Models.Metadata.Rom.SHA384Key, ZeroHash.SHA384Str);
+            self.SetFieldValue(Models.Metadata.Rom.SHA512Key, string.Empty);
+            self.SetFieldValue(Models.Metadata.Rom.SpamSumKey, string.Empty);
+
+            bool actual = self.HasZeroHash();
+            Assert.True(actual);
+        }
+
+        [Fact]
+        public void HasZeroHash_ZeroSHA512_True()
+        {
+            Rom self = new Rom();
+            self.SetFieldValue(Models.Metadata.Rom.CRCKey, string.Empty);
+            self.SetFieldValue(Models.Metadata.Rom.MD5Key, string.Empty);
+            self.SetFieldValue(Models.Metadata.Rom.SHA1Key, string.Empty);
+            self.SetFieldValue(Models.Metadata.Rom.SHA256Key, string.Empty);
+            self.SetFieldValue(Models.Metadata.Rom.SHA384Key, string.Empty);
+            self.SetFieldValue(Models.Metadata.Rom.SHA512Key, ZeroHash.SHA512Str);
+            self.SetFieldValue(Models.Metadata.Rom.SpamSumKey, string.Empty);
+
+            bool actual = self.HasZeroHash();
+            Assert.True(actual);
+        }
+
+        [Fact]
+        public void HasZeroHash_ZeroSpamSum_True()
+        {
+            Rom self = new Rom();
+            self.SetFieldValue(Models.Metadata.Rom.CRCKey, string.Empty);
+            self.SetFieldValue(Models.Metadata.Rom.MD5Key, string.Empty);
+            self.SetFieldValue(Models.Metadata.Rom.SHA1Key, string.Empty);
+            self.SetFieldValue(Models.Metadata.Rom.SHA256Key, string.Empty);
+            self.SetFieldValue(Models.Metadata.Rom.SHA384Key, string.Empty);
+            self.SetFieldValue(Models.Metadata.Rom.SHA512Key, string.Empty);
+            self.SetFieldValue(Models.Metadata.Rom.SpamSumKey, ZeroHash.SpamSumStr);
+
+            bool actual = self.HasZeroHash();
+            Assert.True(actual);
+        }
+
+        [Fact]
+        public void HasZeroHash_ZeroAll_True()
+        {
+            Rom self = new Rom();
+            self.SetFieldValue(Models.Metadata.Rom.CRCKey, ZeroHash.CRC32Str);
+            self.SetFieldValue(Models.Metadata.Rom.MD5Key, ZeroHash.MD5Str);
+            self.SetFieldValue(Models.Metadata.Rom.SHA1Key, ZeroHash.SHA1Str);
+            self.SetFieldValue(Models.Metadata.Rom.SHA256Key, ZeroHash.SHA256Str);
+            self.SetFieldValue(Models.Metadata.Rom.SHA384Key, ZeroHash.SHA384Str);
+            self.SetFieldValue(Models.Metadata.Rom.SHA512Key, ZeroHash.SHA512Str);
+            self.SetFieldValue(Models.Metadata.Rom.SpamSumKey, ZeroHash.SpamSumStr);
+
+            bool actual = self.HasZeroHash();
+            Assert.True(actual);
+        }
+
+        #endregion
+
+        #region GetKey
+
+        [Theory]
+        [InlineData(ItemKey.NULL, false, false, "")]
+        [InlineData(ItemKey.NULL, false, true, "")]
+        [InlineData(ItemKey.NULL, true, false, "")]
+        [InlineData(ItemKey.NULL, true, true, "")]
+        [InlineData(ItemKey.Machine, false, false, "0000000000-Machine")]
+        [InlineData(ItemKey.Machine, false, true, "Machine")]
+        [InlineData(ItemKey.Machine, true, false, "0000000000-machine")]
+        [InlineData(ItemKey.Machine, true, true, "machine")]
+        [InlineData(ItemKey.CRC, false, false, "DEADBEEF")]
+        [InlineData(ItemKey.CRC, false, true, "DEADBEEF")]
+        [InlineData(ItemKey.CRC, true, false, "deadbeef")]
+        [InlineData(ItemKey.CRC, true, true, "deadbeef")]
+        [InlineData(ItemKey.MD5, false, false, "DEADBEEF")]
+        [InlineData(ItemKey.MD5, false, true, "DEADBEEF")]
+        [InlineData(ItemKey.MD5, true, false, "deadbeef")]
+        [InlineData(ItemKey.MD5, true, true, "deadbeef")]
+        [InlineData(ItemKey.SHA1, false, false, "DEADBEEF")]
+        [InlineData(ItemKey.SHA1, false, true, "DEADBEEF")]
+        [InlineData(ItemKey.SHA1, true, false, "deadbeef")]
+        [InlineData(ItemKey.SHA1, true, true, "deadbeef")]
+        [InlineData(ItemKey.SHA256, false, false, "DEADBEEF")]
+        [InlineData(ItemKey.SHA256, false, true, "DEADBEEF")]
+        [InlineData(ItemKey.SHA256, true, false, "deadbeef")]
+        [InlineData(ItemKey.SHA256, true, true, "deadbeef")]
+        [InlineData(ItemKey.SHA384, false, false, "DEADBEEF")]
+        [InlineData(ItemKey.SHA384, false, true, "DEADBEEF")]
+        [InlineData(ItemKey.SHA384, true, false, "deadbeef")]
+        [InlineData(ItemKey.SHA384, true, true, "deadbeef")]
+        [InlineData(ItemKey.SHA512, false, false, "DEADBEEF")]
+        [InlineData(ItemKey.SHA512, false, true, "DEADBEEF")]
+        [InlineData(ItemKey.SHA512, true, false, "deadbeef")]
+        [InlineData(ItemKey.SHA512, true, true, "deadbeef")]
+        [InlineData(ItemKey.SpamSum, false, false, "DEADBEEF")]
+        [InlineData(ItemKey.SpamSum, false, true, "DEADBEEF")]
+        [InlineData(ItemKey.SpamSum, true, false, "deadbeef")]
+        [InlineData(ItemKey.SpamSum, true, true, "deadbeef")]
+        public void GetKeyTest(ItemKey bucketedBy, bool lower, bool norename, string expected)
+        {
+            Machine machine = new Machine();
+            machine.SetFieldValue(Models.Metadata.Machine.NameKey, "Machine");
+
+            DatItem datItem = new Rom();
+            datItem.SetFieldValue(Models.Metadata.Rom.CRCKey, "DEADBEEF");
+            datItem.SetFieldValue(Models.Metadata.Rom.MD5Key, "DEADBEEF");
+            datItem.SetFieldValue(Models.Metadata.Rom.SHA1Key, "DEADBEEF");
+            datItem.SetFieldValue(Models.Metadata.Rom.SHA256Key, "DEADBEEF");
+            datItem.SetFieldValue(Models.Metadata.Rom.SHA384Key, "DEADBEEF");
+            datItem.SetFieldValue(Models.Metadata.Rom.SHA512Key, "DEADBEEF");
+            datItem.SetFieldValue(Models.Metadata.Rom.SpamSumKey, "DEADBEEF");
+            datItem.SetFieldValue(DatItem.SourceKey, new Source(0));
+            datItem.SetFieldValue(DatItem.MachineKey, machine);
+
+            string actual = datItem.GetKey(bucketedBy, lower, norename);
+            Assert.Equal(expected, actual);
+        }
+
+        #endregion
+
+        // TODO: Change when Machine retrieval gets fixed
+        #region GetKeyDB
+
+        [Theory]
+        [InlineData(ItemKey.NULL, false, false, "")]
+        [InlineData(ItemKey.NULL, false, true, "")]
+        [InlineData(ItemKey.NULL, true, false, "")]
+        [InlineData(ItemKey.NULL, true, true, "")]
+        [InlineData(ItemKey.Machine, false, false, "0000000000-Machine")]
+        [InlineData(ItemKey.Machine, false, true, "Machine")]
+        [InlineData(ItemKey.Machine, true, false, "0000000000-machine")]
+        [InlineData(ItemKey.Machine, true, true, "machine")]
+        [InlineData(ItemKey.CRC, false, false, "DEADBEEF")]
+        [InlineData(ItemKey.CRC, false, true, "DEADBEEF")]
+        [InlineData(ItemKey.CRC, true, false, "deadbeef")]
+        [InlineData(ItemKey.CRC, true, true, "deadbeef")]
+        [InlineData(ItemKey.MD5, false, false, "DEADBEEF")]
+        [InlineData(ItemKey.MD5, false, true, "DEADBEEF")]
+        [InlineData(ItemKey.MD5, true, false, "deadbeef")]
+        [InlineData(ItemKey.MD5, true, true, "deadbeef")]
+        [InlineData(ItemKey.SHA1, false, false, "DEADBEEF")]
+        [InlineData(ItemKey.SHA1, false, true, "DEADBEEF")]
+        [InlineData(ItemKey.SHA1, true, false, "deadbeef")]
+        [InlineData(ItemKey.SHA1, true, true, "deadbeef")]
+        [InlineData(ItemKey.SHA256, false, false, "DEADBEEF")]
+        [InlineData(ItemKey.SHA256, false, true, "DEADBEEF")]
+        [InlineData(ItemKey.SHA256, true, false, "deadbeef")]
+        [InlineData(ItemKey.SHA256, true, true, "deadbeef")]
+        [InlineData(ItemKey.SHA384, false, false, "DEADBEEF")]
+        [InlineData(ItemKey.SHA384, false, true, "DEADBEEF")]
+        [InlineData(ItemKey.SHA384, true, false, "deadbeef")]
+        [InlineData(ItemKey.SHA384, true, true, "deadbeef")]
+        [InlineData(ItemKey.SHA512, false, false, "DEADBEEF")]
+        [InlineData(ItemKey.SHA512, false, true, "DEADBEEF")]
+        [InlineData(ItemKey.SHA512, true, false, "deadbeef")]
+        [InlineData(ItemKey.SHA512, true, true, "deadbeef")]
+        [InlineData(ItemKey.SpamSum, false, false, "DEADBEEF")]
+        [InlineData(ItemKey.SpamSum, false, true, "DEADBEEF")]
+        [InlineData(ItemKey.SpamSum, true, false, "deadbeef")]
+        [InlineData(ItemKey.SpamSum, true, true, "deadbeef")]
+        public void GetKeyDBTest(ItemKey bucketedBy, bool lower, bool norename, string expected)
+        {
+            Source source = new Source(0);
+
+            Machine machine = new Machine();
+            machine.SetFieldValue(Models.Metadata.Machine.NameKey, "Machine");
+
+            DatItem datItem = new Rom();
+            datItem.SetFieldValue(Models.Metadata.Rom.CRCKey, "DEADBEEF");
+            datItem.SetFieldValue(Models.Metadata.Rom.MD5Key, "DEADBEEF");
+            datItem.SetFieldValue(Models.Metadata.Rom.SHA1Key, "DEADBEEF");
+            datItem.SetFieldValue(Models.Metadata.Rom.SHA256Key, "DEADBEEF");
+            datItem.SetFieldValue(Models.Metadata.Rom.SHA384Key, "DEADBEEF");
+            datItem.SetFieldValue(Models.Metadata.Rom.SHA512Key, "DEADBEEF");
+            datItem.SetFieldValue(Models.Metadata.Rom.SpamSumKey, "DEADBEEF");
+            datItem.SetFieldValue(DatItem.MachineKey, machine);
+
+            string actual = datItem.GetKeyDB(bucketedBy, source, lower, norename);
+            Assert.Equal(expected, actual);
+        }
+
+        #endregion
+    }
+}
\ No newline at end of file