public void ReplaceOneChar()
{
var buffer = new ConsoleInputBuffer();
buffer.Insert("abcd");
buffer.MoveCursor(SeekOrigin.Current, 1).Should().BeTrue();
buffer.Replace('x');
buffer.Contents.Should().Be("axcd");
}
public void ReplacingAtEnd()
{
var buffer = new ConsoleInputBuffer();
buffer.Insert("abcd");
buffer.MoveCursor(SeekOrigin.End, 0);
Action replacementAction = () => buffer.Replace('x');
replacementAction.ShouldThrow<Exception>();
}
public void ReplaceEntireString()
{
var buffer = new ConsoleInputBuffer();
buffer.Insert("abcd");
buffer.Replace("xyzw");
buffer.Contents.Should().Be("xyzw");
}
public void ReplacePartOfString()
{
var buffer = new ConsoleInputBuffer();
buffer.Insert("abcd");
buffer.MoveCursor(SeekOrigin.Begin, 1);
buffer.Replace("xy");
buffer.Contents.Should().Be("axyd");
}
public void ReplaceWithEmptyString()
{
var buffer = new ConsoleInputBuffer();
buffer.Insert("abcd");
buffer.Replace(string.Empty);
buffer.Contents.Should().Be("abcd");
}
public void ReplaceWithTooLongString()
{
var buffer = new ConsoleInputBuffer();
buffer.Insert("abcd");
Action replacement = () => buffer.Replace("xyzzy");
replacement.ShouldThrow<ArgumentOutOfRangeException>();
}
public void ReplaceWithNullString()
{
var buffer = new ConsoleInputBuffer();
buffer.Insert("abcd");
Action replacement = () => buffer.Replace(null);
replacement.ShouldThrow<ArgumentNullException>();
}
