public void DeleteTextEnd()
{
// Arrange
var buf = new Utf32Buffer();
// Act
buf.Add("abxx🌐xxcd");
buf.Delete(4, 5);
// Assert
Assert.Equal("abxx", buf.ToString());
}
public void InsertText()
{
// Arrange
var buf = new Utf32Buffer();
var strA = "abcd";
var strB = "xx🌐xx";
// Act
buf.Add(strA);
buf.Insert(2, strB);
// Assert
Assert.Equal("abxx🌐xxcd", buf.ToString());
}
public void AddText()
{
// Arrange
var buf = new Utf32Buffer();
var str = "ab🌐cde";
// Act
buf.Add(str);
// Assert
Assert.Equal(7, str.Length);
Assert.Equal(6, buf.Length);
Assert.Equal(str, buf.ToString());
}