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InvariantGlobalizationTrue.cs
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InvariantGlobalizationTrue.cs
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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
using System;
using System.Globalization;
using System.Reflection;
/// <summary>
/// Ensures setting InvariantGlobalization = true still works in a trimmed app.
/// </summary>
class Program
{
static int Main(string[] args)
{
const BindingFlags allStatics = BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Static;
try
{
CultureInfo.CurrentCulture = new CultureInfo("tr-TR");
return -1; // we expect new CultureInfo("tr-TR") to throw.
}
catch (CultureNotFoundException)
{
}
if ("i".ToUpper() != "I")
{
return -3;
}
// Ensure the internal GlobalizationMode class is trimmed correctly.
Type globalizationMode = GetCoreLibType("System.Globalization.GlobalizationMode");
if (OperatingSystem.IsWindows())
{
foreach (MemberInfo member in globalizationMode.GetMembers(allStatics))
{
// properties and their backing getter methods are OK
if (member is PropertyInfo || member.Name.StartsWith("get_"))
{
continue;
}
// Windows still contains a static cctor and a backing field for UseNls.
if (member is ConstructorInfo || (member is FieldInfo field && field.Name.Contains("UseNls")))
{
continue;
}
// Some unexpected member was left on GlobalizationMode, fail
Console.WriteLine($"Member '{member.Name}' was not trimmed from GlobalizationMode, but should have been.");
return -4;
}
}
// On non Windows platforms, the full type is trimmed.
else if (globalizationMode is not null)
{
Console.WriteLine("It is expected to have System.Globalization.GlobalizationMode type trimmed in non-Windows platforms");
return -5;
}
return 100;
}
// The intention of this method is to ensure the trimmer doesn't preserve the Type.
private static Type GetCoreLibType(string name) =>
typeof(object).Assembly.GetType(name, throwOnError: false);
}