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   1 // Licensed to the .NET Foundation under one or more agreements.
   2 // The .NET Foundation licenses this file to you under the MIT license.
   3 // See the LICENSE file in the project root for more information.
   4
   5 using Xunit;
   6
   7 namespace System.Globalization.Tests
   8 {
   9     public class DateTimeFormatInfoAbbreviatedMonthGenitiveNames
  10     {
  11         [Fact]
  12         public void AbbreviatedMonthNames_InvariantInfo()
  13         {
  14             Assert.Equal(new string[] { "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec", "" }, DateTimeFormatInfo.InvariantInfo.AbbreviatedMonthGenitiveNames);
  15         }
  16
  17         [Fact]
  18         public void AbbreviatedMonthNames_Set()
  19         {
  20             string[] newAbbreviatedMonthGenitiveNames = new string[] { "1", "2", "3", "4", "5", "6", "7", "8", "9", "10", "11", "12", "" };
  21             var format = new DateTimeFormatInfo();
  22             format.AbbreviatedMonthGenitiveNames = newAbbreviatedMonthGenitiveNames;
  23             Assert.Equal(newAbbreviatedMonthGenitiveNames, format.AbbreviatedMonthGenitiveNames);
  24         }
  25
  26         [Fact]
  27         public void AbbreviatedMonths_Set_Invalid()
  28         {
  29             AssertExtensions.Throws<ArgumentNullException>("value", () => new DateTimeFormatInfo().AbbreviatedMonthGenitiveNames = null); // Value is null
  30             AssertExtensions.Throws<ArgumentNullException>("value", () => new DateTimeFormatInfo().AbbreviatedMonthGenitiveNames = new string[] { "1", "2", "3", null, "5", "6", "7", "8", "9", "10", "11", "12", "" }); // Value has null
  31             AssertExtensions.Throws<ArgumentException>("value", () => new DateTimeFormatInfo().AbbreviatedMonthGenitiveNames = new string[] { "Jan" }); // Value.Length is not 13
  32
  33             // DateTimeFormatInfo.InvariantInfo is read only
  34             Assert.Throws<InvalidOperationException>(() => DateTimeFormatInfo.InvariantInfo.AbbreviatedMonthGenitiveNames = new string[] { "1", "2", "3", "4", "5", "6", "7", "8", "9", "10", "11", "12", "" });
  35         }
  36
  37         [Fact]
  38         [SkipOnTargetFramework(TargetFrameworkMonikers.NetFramework)]
  39         public void AbbreviatedMonthNames_Format()
  40         {
  41             var format = new DateTimeFormatInfo();
  42             format.AbbreviatedMonthGenitiveNames = new string[] { "GenJan", "GenFeb", "GenMar", "GenApr", "GenMay", "GenJun", "GenJul", "GenAug", "GenSep", "GenOct", "GenNov", "GenDec", "Gen" };
  43
  44             Assert.Equal("19 GenJun 76", new DateTime(1976, 6, 19).ToString("d MMM yy", format));
  45         }
  46     }
  47 }