public void WriteMoveHomeEndBackspaceMixedIntoTheEndOfBuffer()
{
var console = BuildConsole();
var writer = BuildWriter(console);
var buffer = new CommandLineBuffer();
writer.Write(buffer, 'f');
writer.Write(buffer, 'o');
writer.Write(buffer, 'o');
Assert.Equal(3, _currentIndex);
for (int i = 0; i < 90; i++)
{
writer.Write(buffer, 'x');
}
Assert.Equal(93, _currentIndex);
writer.MoveCursorHome();
Assert.Equal(0, _currentIndex);
for (int i = 0; i < 92; i++)
{
writer.MoveCursorRight();
}
Assert.Equal(92, _currentIndex);
for (int i = 0; i < 89; i++)
{
writer.Backspace(buffer);
}
Assert.Equal(3, _currentIndex);
writer.MoveCursorEnd();
Assert.Equal(4, _currentIndex);
writer.Backspace(buffer);
Assert.Equal(3, _currentIndex);
Assert.Equal("foo", buffer.ToString());
Assert.Equal("foo", GetBuffer());
}
public void WriteMoveHomeEndBackspaceMixed()
{
var console = BuildConsole();
var writer = BuildWriter(console);
var buffer = new CommandLineBuffer();
writer.Write(buffer, 'f');
writer.Write(buffer, 'o');
writer.Write(buffer, 'o');
for (int i = 0; i < 10; i++)
{
writer.Write(buffer, 'x');
}
writer.MoveCursorHome();
for (int i = 0; i < 12; i++)
{
writer.MoveCursorRight();
}
for (int i = 0; i < 9; i++)
{
writer.Backspace(buffer);
}
writer.MoveCursorEnd();
writer.Backspace(buffer);
Assert.Equal("foo", buffer.ToString());
Assert.Equal("foo", GetBuffer());
}
public void WriteMoveBackspaceMixed()
{
var console = BuildConsole();
var writer = BuildWriter(console);
var buffer = new CommandLineBuffer();
writer.Write(buffer, 'f');
writer.Write(buffer, 'b');
writer.Write(buffer, 'a');
writer.Write(buffer, 'r');
writer.MoveCursorLeft();
writer.MoveCursorLeft();
writer.MoveCursorLeft();
writer.Write(buffer, 'o');
writer.Write(buffer, 'o');
writer.MoveCursorRight();
writer.MoveCursorRight();
writer.Backspace(buffer);
writer.Backspace(buffer);
writer.Write(buffer, 'B');
writer.Write(buffer, '@');
writer.MoveCursorLeft();
writer.Write(buffer, 'A');
Assert.Equal("fooBA@r", buffer.ToString());
Assert.Equal("fooBA@r", GetBuffer());
}
public void WriteAndBackspaceWithRemainingCharactersTest()
{
var console = BuildConsole();
var writer = BuildWriter(console);
var buffer = new CommandLineBuffer();
writer.Write(buffer, 'a');
writer.Write(buffer, 'b');
writer.Write(buffer, 'c');
writer.Write(buffer, 'd');
writer.Backspace(buffer);
writer.Backspace(buffer);
writer.Backspace(buffer);
Assert.Equal("a", buffer.ToString());
Assert.Equal("a", GetBuffer());
}
public void WriteAndBackspaceTest()
{
var console = BuildConsole();
var writer = BuildWriter(console);
var buffer = new CommandLineBuffer();
writer.Write(buffer, 'a');
writer.Write(buffer, 'b');
writer.Write(buffer, 'c');
writer.Write(buffer, 'd');
writer.Backspace(buffer);
writer.Backspace(buffer);
writer.Backspace(buffer);
writer.Backspace(buffer);
Assert.Equal(String.Empty, buffer.ToString());
Assert.Equal(String.Empty, GetBuffer());
}
public void WriteMoveAndBackspace()
{
var console = BuildConsole();
var writer = BuildWriter(console);
var buffer = new CommandLineBuffer();
writer.Write(buffer, 'a');
writer.Write(buffer, 'b');
writer.Write(buffer, 'c');
writer.Write(buffer, 'd');
writer.MoveCursorLeft();
writer.MoveCursorLeft();
writer.Backspace(buffer);
writer.Write(buffer, 'x');
Assert.Equal("axcd", buffer.ToString());
Assert.Equal("axcd", GetBuffer());
}
public void WriteMoveLeftAndBackspaceMoveEnd()
{
var console = BuildConsole();
var writer = BuildWriter(console);
var buffer = new CommandLineBuffer();
writer.Write(buffer, 'f');
writer.Write(buffer, 'o');
writer.Write(buffer, 'o');
writer.Write(buffer, 'b');
Assert.Equal(4, _currentIndex);
writer.MoveCursorLeft();
Assert.Equal(3, _currentIndex);
writer.Backspace(buffer);
Assert.Equal(2, _currentIndex);
writer.Write(buffer, 'o');
Assert.Equal(3, _currentIndex);
writer.MoveCursorEnd();
Assert.Equal(4, _currentIndex);
Assert.Equal("foob", buffer.ToString());
Assert.Equal("foob", GetBuffer());
}