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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.Globalization;
namespace System.Windows.Forms.Tests;
// NB: doesn't require thread affinity
public class InputLanguageChangingEventArgsTests
{
public static IEnumerable<object[]> Ctor_CultureInfo_Bool_TestData()
{
yield return new object[] { new CultureInfo("en-US"), true };
yield return new object[] { new CultureInfo("en-US"), false };
}
[Theory]
[MemberData(nameof(Ctor_CultureInfo_Bool_TestData))]
public void Ctor_CultureInfo_Bool(CultureInfo culture, bool sysCharSet)
{
InputLanguageChangingEventArgs e = new(culture, sysCharSet);
Assert.Equal(InputLanguage.FromCulture(culture), e.InputLanguage);
Assert.Equal(culture, e.Culture);
Assert.Equal(sysCharSet, e.SysCharSet);
Assert.False(e.Cancel);
}
[Fact]
public void Ctor_NullCultureInfo_ThrowsNullReferenceException()
{
Assert.Throws<ArgumentNullException>("culture", () => new InputLanguageChangingEventArgs((CultureInfo)null, true));
}
public static IEnumerable<object[]> Ctor_NoSuchCultureInfo_TestData()
{
yield return new object[] { CultureInfo.InvariantCulture };
yield return new object[] { new CultureInfo("en") };
}
[Theory]
[MemberData(nameof(Ctor_NoSuchCultureInfo_TestData))]
public void Ctor_NoSuchCultureInfo_ThrowsArgumentException(CultureInfo culture)
{
Assert.Throws<ArgumentException>("culture", () => new InputLanguageChangingEventArgs(culture, true));
}
public static IEnumerable<object[]> Ctor_InputLanguage_Bool_TestData()
{
yield return new object[] { InputLanguage.FromCulture(CultureInfo.InvariantCulture), true };
yield return new object[] { InputLanguage.FromCulture(new CultureInfo("en")), false };
}
[Theory]
[MemberData(nameof(Ctor_InputLanguage_Bool_TestData))]
public void Ctor_InputLanguage_Bool(InputLanguage inputLanguage, bool sysCharSet)
{
if (inputLanguage is null)
{
// Couldn't get the language.
return;
}
InputLanguageChangingEventArgs e = new(inputLanguage, sysCharSet);
Assert.Equal(inputLanguage, e.InputLanguage);
Assert.Equal(inputLanguage.Culture, e.Culture);
Assert.Equal(sysCharSet, e.SysCharSet);
}
[Fact]
public void Ctor_NullInputLanguage_ThrowsNullReferenceException()
{
Assert.Throws<ArgumentNullException>("inputLanguage", () => new InputLanguageChangingEventArgs((InputLanguage)null, true));
}
}
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