为什么es-MX日期格式从Windows 7更改为Windows 10? [英] Why did the es-MX date format change from Windows 7 to Windows 10?

问题描述

这是单元测试:

[TestMethod]
public void Check_how_es_MX_displays_MMM()
{
    var originalCulture = Thread.CurrentThread.CurrentCulture;
    try
    {
        Thread.CurrentThread.CurrentCulture = new CultureInfo("es-MX");
        var result = new DateTime(2015, 8, 6).ToString("MMM");
        Assert.AreEqual("ago", result);
    }
    finally
    {
        Thread.CurrentThread.CurrentCulture = originalCulture;
    }
}

当我在Windows 7上运行它时，它通过了.当我在Windows 10计算机上运行它时，它失败了:

When I run this on Windows 7 it passes. When I run this on a Windows 10 machine it fails:

Assert.AreEqual failed. Expected:<ago>. Actual:<ago.>.

我在两台计算机上都针对.NET 4.5.1进行构建.

I'm building against .NET 4.5.1 on both computers.

在Windows 7和Windows中，"MMM"格式的字符串如何返回"ago".在Widnows 10中?我以为它会给我一个月3个字母的代码.

How could the "MMM" format string return "ago" in Windows 7 and "ago." in Widnows 10? I had assumed it would always give me a 3 letter code for the month.

修改

更多阅读内容表明，使用MMM可以从以下位置查找缩写的月份名称: System.Globalization.DateTimeFormatInfo.AbbreviatedMonthNames

Some more reading indicates using MMM makes it look up the abbreviated month name from: System.Globalization.DateTimeFormatInfo.AbbreviatedMonthNames

编辑2

这是另一个问题，(我认为)可以解决相同的问题.

Here is another question that deals with (I think) the same issue.

推荐答案

从Windows 10区域设置开始，数据来自 CLDR-常见语言环境数据存储库

Starting with Windows 10 locale data comes from CLDR - Common Locale Data Repository

更多信息: https://博客.msdn.microsoft.com/shawnste/2015/08/29/locale-data-in-windows-10-cldr/

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