Add test data for required members

code/Binary.SourceGeneration.NamedObjectTests/RequiredMembers/RequiredMembersTests.cs

@@ -9,6 +9,7 @@
 [SourceGeneratorContext]
 [SourceGeneratorInclude<FieldOnlyItem>]
 [SourceGeneratorInclude<PropertyOnlyItem>]
+[SourceGeneratorInclude<MixedItem>]
 public partial class RequiredMembersSourceGeneratorContext { }
 
 [NamedObject]
@@ -43,6 +44,28 @@ public class PropertyOnlyItem : IEquatable<PropertyOnlyItem?>
     public override int GetHashCode() => HashCode.Combine(RequiredMember, OptionalMember);
 }
 
+[NamedObject]
+public class MixedItem : IEquatable<MixedItem?>
+{
+    [NamedKey("a")]
+    public required int A { get; init; }
+
+    [NamedKey("b")]
+    public required string? B;
+
+    [NamedKey("opt-a")]
+    public string? OptionalA { get; init; }
+
+    [NamedKey("opt-b")]
+    public int OptionalB;
+
+    public bool Equals(MixedItem? other) => other is not null && A == other.A && this.B == other.B && OptionalA == other.OptionalA && this.OptionalB == other.OptionalB;
+
+    public override bool Equals(object? obj) => Equals(obj as MixedItem);
+
+    public override int GetHashCode() => HashCode.Combine(A, this.B, OptionalA, this.OptionalB);
+}
+
 public class RequiredMembersTests
 {
     public static IEnumerable<object[]> FieldOnlyAllMemberSetData()
@@ -73,11 +96,20 @@ public static IEnumerable<object[]> PropertyOnlyRequiredMemberSetData()
         yield return new object[] { keys, new PropertyOnlyItem { RequiredMember = 256 } };
     }
 
+    public static IEnumerable<object[]> MixedData()
+    {
+        yield return new object[] { new string[] { "a", "b" }, new MixedItem { A = 1, B = "2" } };
+        yield return new object[] { new string[] { "a", "b", "opt-a" }, new MixedItem { A = 3, B = "4", OptionalA = "five" } };
+        yield return new object[] { new string[] { "a", "b", "opt-b" }, new MixedItem { A = 6, B = "7", OptionalB = 8 } };
+        yield return new object[] { new string[] { "a", "b", "opt-a", "opt-b" }, new MixedItem { A = 9, B = "10", OptionalA = "11", OptionalB = 12 } };
+    }
+
     [Theory(DisplayName = "Encode Decode Test")]
     [MemberData(nameof(FieldOnlyAllMemberSetData))]
     [MemberData(nameof(PropertyOnlyAllMemberSetData))]
     [MemberData(nameof(FieldOnlyRequiredMemberSetData))]
     [MemberData(nameof(PropertyOnlyRequiredMemberSetData))]
+    [MemberData(nameof(MixedData))]
     public void EncodeDecodeTest<T>(IEnumerable<string> expectedKeys, T source)
     {
         var generator = Generator.CreateAotBuilder()