Add some tests around date/time mappings (#3432)

Author: roji

test/EFCore.PG.Tests/Storage/NpgsqlTypeMappingSourceTest.cs

@@ -28,6 +28,11 @@ public class NpgsqlTypeMappingSourceTest
     [InlineData("varchar(8)", typeof(string), 8, null, null, false)]
     [InlineData("varchar", typeof(string), null, null, null, false)]
     [InlineData("timestamp with time zone", typeof(DateTime), null, null, null, false)]
+    [InlineData("timestamp without time zone", typeof(DateTime), null, null, null, false)]
+    [InlineData("date", typeof(DateOnly), null, null, null, false)]
+    [InlineData("time", typeof(TimeOnly), null, null, null, false)]
+    [InlineData("time without time zone", typeof(TimeOnly), null, null, null, false)]
+    [InlineData("interval", typeof(TimeSpan), null, null, null, false)]
     [InlineData("dummy", typeof(DummyType), null, null, null, false)]
     [InlineData("int4range", typeof(NpgsqlRange<int>), null, null, null, false)]
     [InlineData("floatrange", typeof(NpgsqlRange<float>), null, null, null, false)]
@@ -107,6 +112,10 @@ public void Timestamp_without_time_zone_Array_5()
     [InlineData(typeof(int), "integer")]
     [InlineData(typeof(int[]), "integer[]")]
     [InlineData(typeof(byte[]), "bytea")]
+    [InlineData(typeof(DateTime), "timestamp with time zone")]
+    [InlineData(typeof(DateOnly), "date")]
+    [InlineData(typeof(TimeOnly), "time without time zone")]
+    [InlineData(typeof(TimeSpan), "interval")]
     [InlineData(typeof(DummyType), "dummy")]
     [InlineData(typeof(NpgsqlRange<int>), "int4range")]
     [InlineData(typeof(NpgsqlRange<float>), "floatrange")]
@@ -160,6 +169,10 @@ public void By_ClrType_and_element_precision(Type clrType, string expectedStoreT
     [InlineData("integer", typeof(int))]
     [InlineData("numeric", typeof(float))]
     [InlineData("numeric", typeof(double))]
+    [InlineData("date", typeof(DateOnly))]
+    [InlineData("date", typeof(DateTime))]
+    [InlineData("time", typeof(TimeOnly))]
+    [InlineData("time", typeof(TimeSpan))]
     [InlineData("integer[]", typeof(int[]))]
     [InlineData("integer[]", typeof(List<int>))]
     [InlineData("smallint[]", typeof(byte[]))]