public void ReadingAtWithExplicitBuffer()
{
var buffer = new ConsoleInputBuffer();
buffer.Insert("abcd");
var outBuffer = new char[4];
buffer.ReadAt(0, outBuffer, 0, 2);
outBuffer[0].Should().Be('a');
outBuffer[1].Should().Be('b');
buffer.ReadAt(2, outBuffer, 0, 2);
outBuffer[0].Should().Be('c');
outBuffer[1].Should().Be('d');
outBuffer[0] = 'x';
buffer.ReadAt(0, outBuffer, 1, 1);
outBuffer[0].Should().Be('x');
outBuffer[1].Should().Be('a');
((Action)(() => buffer.ReadAt(0, null, 0, 2))).ShouldThrow<ArgumentNullException>();
((Action)(() => buffer.ReadAt(2, outBuffer, 0, 4))).ShouldThrow<ArgumentException>();
((Action)(() => buffer.ReadAt(2, outBuffer, 3, 2))).ShouldThrow<ArgumentException>();
}
public void ReadingAt()
{
var buffer = new ConsoleInputBuffer();
buffer.Insert("abcd");
buffer.ReadAt(0, 2).Should().ContainInOrder('a', 'b');
buffer.ReadAt(2, 2).Should().ContainInOrder('c', 'd');
((Action)(() => buffer.ReadAt(2, 4))).ShouldThrow<ArgumentException>();
((Action)(() => buffer.ReadAt(3, 2))).ShouldThrow<ArgumentException>();
}