diff --git a/SabreTools.DatFiles.Test/DatHeaderTests.cs b/SabreTools.DatFiles.Test/DatHeaderTests.cs
new file mode 100644
index 00000000..aaa6d45f
--- /dev/null
+++ b/SabreTools.DatFiles.Test/DatHeaderTests.cs
@@ -0,0 +1,111 @@
+using Xunit;
+
+namespace SabreTools.DatFiles.Test
+{
+    public class DatHeaderTests
+    {
+        // TODO: Specified tests?
+
+        #region Clone
+
+        [Fact]
+        public void CloneTest()
+        {
+            DatHeader item = new DatHeader();
+            item.SetFieldValue(Models.Metadata.Header.NameKey, "name");
+
+            object clone = item.Clone();
+            DatHeader? actual = clone as DatHeader;
+            Assert.NotNull(actual);
+            Assert.Equal("name", actual.GetStringFieldValue(Models.Metadata.Header.NameKey));
+        }
+
+        #endregion
+
+        #region CloneFormat
+
+        [Fact]
+        public void CloneFormatTest()
+        {
+            DatHeader item = new DatHeader();
+            item.SetFieldValue(DatHeader.DatFormatKey, DatFormat.Logiqx);
+
+            object clone = item.Clone();
+            DatHeader? actual = clone as DatHeader;
+            Assert.NotNull(actual);
+            Assert.Equal(DatFormat.Logiqx, actual.GetFieldValue<DatFormat>(DatHeader.DatFormatKey));
+        }
+
+        #endregion
+
+        #region GetInternalClone
+
+        [Fact]
+        public void GetInternalCloneTest()
+        {
+            DatHeader item = new DatHeader();
+            item.SetFieldValue(Models.Metadata.Header.NameKey, "name");
+
+            Models.Metadata.Header actual = item.GetInternalClone();
+            Assert.Equal("name", actual[Models.Metadata.Header.NameKey]);
+        }
+
+        #endregion
+
+        #region ConditionalCopy
+
+        // TODO: Implement ConditionalCopy tests
+
+        #endregion
+
+        #region Equals
+
+        [Fact]
+        public void Equals_Null_False()
+        {
+            DatHeader self = new DatHeader();
+            DatHeader? other = null;
+
+            bool actual = self.Equals(other);
+            Assert.False(actual);
+        }
+
+        [Fact]
+        public void Equals_DefaultInternal_True()
+        {
+            DatHeader self = new DatHeader();
+            DatHeader? other = new DatHeader();
+
+            bool actual = self.Equals(other);
+            Assert.True(actual);
+        }
+
+        [Fact]
+        public void Equals_MismatchedInternal_False()
+        {
+            DatHeader self = new DatHeader();
+            self.SetFieldValue(Models.Metadata.Header.NameKey, "self");
+
+            DatHeader? other = new DatHeader();
+            other.SetFieldValue(Models.Metadata.Header.NameKey, "other");
+
+            bool actual = self.Equals(other);
+            Assert.False(actual);
+        }
+
+        [Fact]
+        public void Equals_EqualInternal_True()
+        {
+            DatHeader self = new DatHeader();
+            self.SetFieldValue(Models.Metadata.Header.NameKey, "name");
+
+            DatHeader? other = new DatHeader();
+            other.SetFieldValue(Models.Metadata.Header.NameKey, "name");
+
+            bool actual = self.Equals(other);
+            Assert.True(actual);
+        }
+
+        #endregion
+    }
+}
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