Add tests and date/time types

Author: Giorgi

DuckDB.NET.Data/Internal/ClrToDuckDBConverter.cs

@@ -89,7 +89,12 @@ private static DuckDBValue CreateCollectionValue(ICollection collection)
             ICollection<DateTime> items => CreateCollectionValue(DuckDBType.Date, items),
             ICollection<DateTimeOffset> items => CreateCollectionValue(DuckDBType.TimeTz, items),
             ICollection<TimeSpan> items => CreateCollectionValue(DuckDBType.Interval, items),
-            ICollection<object> items => CreateCollectionValue(DuckDBType.List, items),
+            ICollection<DuckDBDateOnly> items => CreateCollectionValue(DuckDBType.Date, items),
+            ICollection<DuckDBTimeOnly> items => CreateCollectionValue(DuckDBType.Time, items),
+#if NET6_0_OR_GREATER
+            ICollection<DateOnly> items => CreateCollectionValue(DuckDBType.Date, items),
+            ICollection<TimeOnly> items => CreateCollectionValue(DuckDBType.Time, items),
+#endif
             _ => throw new InvalidOperationException($"Cannot convert collection type {collection.GetType().FullName} to DuckDBValue.")
         };
     }

DuckDB.NET.Test/Parameters/ListParameterTests.cs

@@ -31,10 +31,10 @@ private void TestInsertSelect<T>(string duckDbType, Func<Faker, T> generator, in
 
         var value = reader.GetFieldValue<List<T>>(0);
         value.Should().BeEquivalentTo(list);
-        
-        var arrayValue  = reader.GetFieldValue<List<T>>(1);
+
+        var arrayValue = reader.GetFieldValue<List<T>>(1);
         arrayValue.Should().BeEquivalentTo(list.Take(10));
-        
+
         Command.CommandText = $"DROP TABLE ParameterListTest";
         Command.ExecuteNonQuery();
     }
@@ -99,7 +99,7 @@ public void CanBindULongList()
     {
         TestInsertSelect("UBigInt", faker => faker.Random.ULong());
     }
-    
+
     [Fact]
     public void CanBindFloatList()
     {
@@ -129,7 +129,7 @@ public void CanBindDateTimeList()
     {
         TestInsertSelect("Date", faker => faker.Date.Past().Date);
     }
-    
+
     //[Fact]
     //public void CanBindDateTimeOffsetList()
     //{
@@ -152,4 +152,33 @@ public void CanBindIntervalList()
             return TimeSpan.FromTicks(timespan.Ticks - timespan.Ticks % 10);
         });
     }
+
+    [Fact]
+    public void CanBindDuckDBDateOnlyList()
+    {
+        TestInsertSelect("Date", faker => (DuckDBDateOnly)faker.Date.Past().Date);
+    }
+
+    [Fact]
+    public void CanBindDuckDBTimeOnlyList()
+    {
+        TestInsertSelect("Time", faker => (DuckDBTimeOnly)faker.Date.Past());
+    }
+
+    [Fact]
+    public void CanBindDateOnlyList()
+    {
+        TestInsertSelect("Date", faker => DateOnly.FromDateTime(faker.Date.Past().Date));
+    }
+
+    [Fact]
+    public void CanBindTimeOnlyList()
+    {
+        TestInsertSelect("Time", faker =>
+        {
+            //Truncate nanoseconds because duckdb doesn't store it.
+            var dateTime = faker.Date.Past();
+            return new TimeOnly(dateTime.TimeOfDay.Ticks - dateTime.TimeOfDay.Ticks % 10);
+        });
+    }
 }