mirror of
https://github.com/gui-cs/Terminal.Gui.git
synced 2025-12-29 17:28:01 +01:00
71 lines
1.7 KiB
C#
71 lines
1.7 KiB
C#
using Xunit;
|
||
|
||
namespace Terminal.Gui.TextTests;
|
||
|
||
#nullable enable
|
||
|
||
public class StringTests {
|
||
[Fact]
|
||
public void TestGetColumns_Empty ()
|
||
{
|
||
var str = string.Empty;
|
||
Assert.Equal (0, str.GetColumns ());
|
||
}
|
||
|
||
[Fact]
|
||
public void TestGetColumns_Null ()
|
||
{
|
||
string? str = null;
|
||
Assert.Equal (0, str.GetColumns ());
|
||
}
|
||
|
||
[Fact]
|
||
public void TestGetColumns_SingleRune ()
|
||
{
|
||
var str = "a";
|
||
Assert.Equal (1, str.GetColumns ());
|
||
}
|
||
|
||
[Theory]
|
||
[InlineData ("a", 1)]
|
||
[InlineData ("á", 1)]
|
||
[InlineData ("ab", 2)]
|
||
[InlineData ("áé", 2)]
|
||
[InlineData ("abc", 3)]
|
||
[InlineData ("áéí", 3)]
|
||
[InlineData ("abcd", 4)]
|
||
public void TestGetColumns_MultiRune (string str, int expected)
|
||
{
|
||
Assert.Equal (expected, str.GetColumns ());
|
||
}
|
||
|
||
// Test known wide codepoints
|
||
[Theory]
|
||
[InlineData ("🙂", 2)]
|
||
[InlineData ("a🙂", 3)]
|
||
[InlineData ("🙂a", 3)]
|
||
[InlineData ("👨👩👦👦", 8)]
|
||
[InlineData ("👨👩👦👦🙂", 10)]
|
||
[InlineData ("👨👩👦👦🙂a", 11)]
|
||
[InlineData ("👨👩👦👦a🙂", 11)]
|
||
[InlineData ("👨👩👦👦👨👩👦👦", 16)]
|
||
[InlineData ("山", 2)] // The character for "mountain" in Chinese/Japanese/Korean (山), Unicode U+5C71
|
||
[InlineData ("山🙂", 4)] // The character for "mountain" in Chinese/Japanese/Korean (山), Unicode U+5C71
|
||
public void TestGetColumns_MultiRune_WideBMP (string str, int expected)
|
||
{
|
||
Assert.Equal (expected, str.GetColumns ());
|
||
}
|
||
|
||
// Test non-BMP codepoints
|
||
// Face with Tears of Joy Emoji (😂), Unicode U+1F602 is 2 columns wide
|
||
[Theory]
|
||
[InlineData ("😂", 2)]
|
||
[InlineData ("😂😂", 4)]
|
||
public void TestGetColumns_MultiRune_NonBMP (string str, int expected)
|
||
{
|
||
Assert.Equal (expected, str.GetColumns ());
|
||
}
|
||
|
||
}
|
||
|