GH3530: Add locale specific tests to check for invalid type conversions.

Author: David Ellingsworth

src/NHibernate.Test/NHSpecificTest/GH3530/Entities.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace NHibernate.Test.NHSpecificTest.GH3530
+{
+	public class LocaleEntity
+	{
+		public virtual Guid Id { get; set; }
+		public virtual int IntegerValue { get; set; }
+		public virtual DateTime DateTimeValue { get; set; }
+		public virtual double DoubleValue { get; set; }
+		public virtual decimal DecimalValue { get; set; }
+	}
+}

src/NHibernate.Test/NHSpecificTest/GH3530/Fixture.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using NUnit.Framework;
+using System.Globalization;
+using System.Threading;
+using System.Web.SessionState;
+
+namespace NHibernate.Test.NHSpecificTest.GH3530
+{
+	[TestFixture]
+	public class Fixture : BugTestCase
+	{
+		private CultureInfo initialCulture;
+
+		[OneTimeSetUp]
+		public void FixtureSetup()
+		{
+			initialCulture = CurrentCulture;
+		}
+
+		[OneTimeTearDown]
+		public void FixtureTearDown()
+		{
+			CurrentCulture = initialCulture;
+		}
+
+		protected override void OnTearDown()
+		{
+			using (var session = OpenSession())
+			using (var transaction = session.BeginTransaction())
+			{
+				session.CreateQuery("delete from System.Object").ExecuteUpdate();
+
+				transaction.Commit();
+			}
+		}
+
+		[TestCaseSource(nameof(GenerateAllCultureCombinations))]
+		public void TestLocales(CultureInfo from, CultureInfo to)
+		{
+			DateTime leapDay = new DateTime(2024, 2, 29, new GregorianCalendar(GregorianCalendarTypes.USEnglish));
+			double doubleValue = 12.3f;
+			int intValue = 4;
+			object id;
+
+			CurrentCulture = from;
+			using (var session = OpenSession())
+			using (var tx = session.BeginTransaction())
+			{
+				var entity = new LocaleEntity()
+				{
+					DateTimeValue = leapDay,
+					DoubleValue = doubleValue,
+					IntegerValue = intValue,
+				};
+
+				id = session.Save(entity);
+				tx.Commit();
+			}
+
+			CurrentCulture = to;
+			using (var session = OpenSession())
+			using (var tx = session.BeginTransaction())
+			{
+				var entity = session.Get<LocaleEntity>(id);
+
+				Assert.AreEqual(leapDay, entity.DateTimeValue);
+				Assert.AreEqual(intValue, entity.IntegerValue);
+				Assert.True(doubleValue - entity.DoubleValue < double.Epsilon);
+			}
+		}
+
+		private CultureInfo CurrentCulture
+		{
+			get
+			{
+				return Thread.CurrentThread.CurrentCulture;
+			}
+			set
+			{
+				Thread.CurrentThread.CurrentCulture = value;
+			}
+		}
+
+		public static IEnumerable<object> GenerateAllCultureCombinations()
+		{
+			var cultures = CultureInfo.GetCultures(CultureTypes.AllCultures);
+			
+			for (var i = 0; i < cultures.Length; i++)
+			{
+				for (var j = 0; j < cultures.Length; j++)
+				{
+					if (i == j) continue;
+
+					yield return new object[]
+					{
+						cultures[i],
+						cultures[j]
+					};
+				}
+			}
+		}
+
+	}
+}

src/NHibernate.Test/NHSpecificTest/GH3530/Mappings.hbm.xml

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+<?xml version="1.0" encoding="utf-8" ?>
+<hibernate-mapping xmlns="urn:nhibernate-mapping-2.2" assembly="NHibernate.Test"
+                   namespace="NHibernate.Test.NHSpecificTest.GH3530">
+  <class name="LocaleEntity">
+    <id name="Id" generator="guid.comb" />
+    <property name="IntegerValue" column="IntegerValue"/>
+    <property name="DateTimeValue" column="DateTimeValue"/>
+    <property name="DoubleValue" column="DoubleValue"/>
+  </class>
+</hibernate-mapping>