public void TestPartialEscapeSequences()
{
var map = new WindowsAnsiCharMap(1000);
// Just escape
CheckPartialEscapeInput(map, 1, StringToCKI("\x1b"));
// ^[[1;2
CheckPartialEscapeInput(map, 5, StringToCKI("\x1b[1;2"));
// ^[[11
CheckPartialEscapeInput(map, 4, StringToCKI("\x1b[11"));
// ^[O -> Alt+O
CheckPartialEscapeInput(map, 1, StringToCKI("\x1bO"));
}
public void TestMapControlChars()
{
var map = new WindowsAnsiCharMap();
ConsoleKeyInfo processedKey;
// Enter (Ctrl+J)
map.ProcessKey(new ConsoleKeyInfo('\x0D', 0, false, false, false));
Assert.AreEqual(true, map.KeyAvailable);
processedKey = map.ReadKey();
Assert.AreEqual(processedKey.Key, ConsoleKey.Enter);
Assert.AreEqual(processedKey.Modifiers, (ConsoleModifiers)0);
Assert.AreEqual(false, map.KeyAvailable);
// Ctrl+C
map.ProcessKey(new ConsoleKeyInfo('\x03', 0, false, false, false));
processedKey = map.ReadKey();
Assert.AreEqual(processedKey.Key, ConsoleKey.C);
Assert.AreEqual(processedKey.Modifiers, ConsoleModifiers.Control);
}
public void MapControlChars()
{
var map = new WindowsAnsiCharMap();
// Enter (Ctrl+J)
map.ProcessKey(new ConsoleKeyInfo('\x0D', 0, false, false, false));
Assert.True(map.KeyAvailable);
var processedKey = map.ReadKey();
Assert.Equal(ConsoleKey.Enter, processedKey.Key);
Assert.Equal((ConsoleModifiers)0, processedKey.Modifiers);
Assert.False(map.KeyAvailable);
// Ctrl+C
map.ProcessKey(new ConsoleKeyInfo('\x03', 0, false, false, false));
processedKey = map.ReadKey();
Assert.Equal(ConsoleKey.C, processedKey.Key);
Assert.Equal(ConsoleModifiers.Control, processedKey.Modifiers);
}
public void TestValidEscapeSequences()
{
// Use a high timeout value so there's no way it will try to convert
// part of a sequence to Alt+something.
var map = new WindowsAnsiCharMap(1000);
// ^[[A = UpArrow
CheckEscapeInput(map, _.UpArrow, StringToCKI("\x1b[A"));
// ^[OA = UpArrow (alternate form)
CheckEscapeInput(map, _.UpArrow, StringToCKI("\x1bOA"));
// ^[[1;2B = Shift+DownArrow
CheckEscapeInput(map,
new ConsoleKeyInfo('\0', ConsoleKey.DownArrow, shift: true, alt: false, control: false),
StringToCKI("\x1b[1;2B")
);
// ^[[1;8C = Ctrl+Alt+Shift+RightArrow
CheckEscapeInput(map,
new ConsoleKeyInfo('\0', ConsoleKey.RightArrow, shift: true, alt: true, control: true),
StringToCKI("\x1b[1;8C")
);
// ^[[1;6D = Ctrl+Shift+LeftArrow
CheckEscapeInput(map,
new ConsoleKeyInfo('\0', ConsoleKey.LeftArrow, shift: true, alt: false, control: true),
StringToCKI("\x1b[1;6D")
);
// ^[[3~ = Delete
CheckEscapeInput(map,
new ConsoleKeyInfo('\0', ConsoleKey.Delete, shift: false, alt: false, control: false),
StringToCKI("\x1b[3~")
);
// ^[[15;5~ = Control+F5
CheckEscapeInput(map,
new ConsoleKeyInfo('\0', ConsoleKey.F5, shift: false, alt: false, control: true),
StringToCKI("\x1b[15;5~")
);
}
public void TestAltSequences()
{
var map = new WindowsAnsiCharMap(1000);
ConsoleKeyInfo processedKey;
// ^[[ = Alt+[
CheckEscapeInput(map, default(ConsoleKeyInfo), StringToCKI("\x1b["), true);
processedKey = map.ReadKey();
Assert.AreEqual('[', processedKey.KeyChar);
Assert.AreEqual(ConsoleModifiers.Alt, processedKey.Modifiers);
Assert.AreEqual(false, map.KeyAvailable);
// ^[j = Alt+j
CheckEscapeInput(map, default(ConsoleKeyInfo), StringToCKI("\x1bj"), true);
processedKey = map.ReadKey();
Assert.AreEqual('j', processedKey.KeyChar);
Assert.AreEqual(ConsoleModifiers.Alt, processedKey.Modifiers);
Assert.AreEqual(false, map.KeyAvailable);
// ^[X = Alt+X
// Currently shift is not set for capitals, so just check the alt
// parts to allow that behavior to change without breaking this test.
CheckEscapeInput(map, default(ConsoleKeyInfo), StringToCKI("\x1bX"), true);
processedKey = map.ReadKey();
Assert.AreEqual('X', processedKey.KeyChar);
Assert.AreEqual(ConsoleModifiers.Alt, processedKey.Modifiers & ConsoleModifiers.Alt);
Assert.AreEqual(false, map.KeyAvailable);
// ^[^A = Alt+Ctrl+A
CheckEscapeInput(map, default(ConsoleKeyInfo), StringToCKI("\x1b\x01"), true);
processedKey = map.ReadKey();
Assert.AreEqual('\x01', processedKey.KeyChar);
Assert.AreEqual(ConsoleModifiers.Alt | ConsoleModifiers.Control, processedKey.Modifiers);
Assert.AreEqual(false, map.KeyAvailable);
// This is a "tricky" one since ^[O can start a sequence and the second
// escape needs to cancel sequence processing, make an Alt+O available,
// and after that has been read make Esc available.
// ^[O^[ = Alt+O Esc
var consoleKeys = StringToCKI("\x1bO\x1b");
foreach (var ck in consoleKeys)
{
map.ProcessKey(ck);
}
Assert.AreEqual(true, map.KeyAvailable);
processedKey = map.ReadKey();
// Alt+O
Assert.AreEqual('O', processedKey.KeyChar);
Assert.AreEqual(ConsoleModifiers.Alt, processedKey.Modifiers);
// Make the map stop looking for an escape sequence.
map.EscapeTimeout = 0;
// Esc
Assert.AreEqual(true, map.KeyAvailable);
Assert.AreEqual('\x1b', map.ReadKey().KeyChar);
Assert.AreEqual(false, map.KeyAvailable);
map.EscapeTimeout = 1000;
// ^[^[ = Esc Esc, not Alt+Esc.
consoleKeys = StringToCKI("\x1b\x1b");
foreach (var ck in consoleKeys)
{
map.ProcessKey(ck);
}
Assert.AreEqual(true, map.KeyAvailable);
map.ReadKey();
map.EscapeTimeout = 0;
Assert.AreEqual(true, map.KeyAvailable);
map.ReadKey();
}
private static void EnableAnsiInput(ref ICharMap charMap)
{
charMap = new WindowsAnsiCharMap(PSConsoleReadLine.GetOptions().AnsiEscapeTimeout);
}