public void EraseAbove()
{
var t = new VirtualTerminalController();
var d = new DataConsumer(t);
t.ResizeView(5, 5);
t.ScreenAlignmentTest();
t.SetCursorPosition(4, 2);
t.EraseAbove();
Assert.Equal(ExpectedEraseAbove, t.GetScreenText());
t.ScreenAlignmentTest();
PushToTerminal(d, "\u001B#8\u001B[1J");
Assert.Equal(ExpectedEraseAbove, t.GetScreenText());
}
public void CursorBackwardTabs()
{
var t = new VirtualTerminalController();
t.ResizeView(80, 25);
var d = new DataConsumer(t);
Push(d, "\t \t \t \t".CHT().CHT(2).CBT());
Assert.Equal(0, t.ViewPort.CursorPosition.Row);
Assert.Equal(56, t.ViewPort.CursorPosition.Column);
Push(d, "".CBT(2));
Assert.Equal(0, t.ViewPort.CursorPosition.Row);
Assert.Equal(40, t.ViewPort.CursorPosition.Column);
}
public void ScrollFullUp()
{
var t = new VirtualTerminalController();
var d = new DataConsumer(t);
t.ResizeView(5, 5);
t.ScreenAlignmentTest();
PushToTerminal(d, "AAAAABBBBBCCCCCDDDDDEEEEEFFFF");
t.ReverseIndex();
t.ReverseIndex();
t.ReverseIndex();
t.ReverseIndex();
t.ReverseIndex();
Assert.Equal(ExpectedScrollUp, t.GetScreenText());
}
public void Backspace()
{
var t = new VirtualTerminalController();
var d = new DataConsumer(t);
t.ResizeView(200, 100);
PushToTerminal(d, "12345\u001b[D\u001b[D\b0");
Assert.Equal("12045 ", t.GetVisibleChars(0, 0, 6));
t = new VirtualTerminalController();
t.ResizeView(200, 100);
PushToTerminal(d, "12345\u001b[D\u001b[D\b");
Assert.Equal("12345 ", t.GetVisibleChars(0, 0, 6));
}
public void MoveCursorPastEndOfScreen()
{
var t = new VirtualTerminalController();
var d = new DataConsumer(t);
t.ResizeView(41, 18);
t.TestPatternScrollingDiagonalLower();
// \e[?1l
Push(d, "".DECRST(1)); // Ps = 1 -> Normal Cursor Keys (DECCKM).
// \e>
Push(d, "".DECKPNM()); // Normal keypad
// \e[19;1H
Push(d, "".CUP(19, 1));
Assert.True(IsCursor(t, 17, 0));
}
public void Low()
{
string s;
var t = new VirtualTerminalController();
var d = new DataConsumer(t);
t.ResizeView(80, 25);
t.TestPatternScrollingDiagonalLower();
// PUSH "ABC"
// putglyph 0x41 1 0,0
// putglyph 0x42 1 0,1
// putglyph 0x43 1 0,2
Push(d, "ABC");
s = t.GetVisibleChars(0, 0, 81);
Assert.Equal(ExpectLow, s);
}
public void SS3()
{
string s;
var t = new VirtualTerminalController();
var d = new DataConsumer(t);
t.ResizeView(80, 25);
t.TestPatternScrollingDiagonalUpper();
// PUSH "a\x{8f}aa"
// putglyph 0x61 1 0,12
// putglyph 0x2592 1 0,13
// putglyph 0x61 1 0,14
Push(d, "".DesignateG3('0').T("a").SS3('a').T("a"));
s = t.GetVisibleChars(0, 0, 81);
Assert.Equal(ExpectDesignateAndShiftBack, s);
}
public void Utf8SplitWrites()
{
string s;
var t = new VirtualTerminalController();
var d = new DataConsumer(t);
t.ResizeView(80, 25);
t.TestPatternScrollingDiagonalLower();
// PUSH "\xC3"
// PUSH "\x81"
// putglyph 0xc1 1 0,0
d.Push(new byte[] { 0xC3 });
d.Push(new byte[] { 0x81 });
s = t.GetVisibleChars(0, 0, 81);
Assert.Equal(ExpectUtf8SplitWrites, s);
}
public void AutoWrap80()
{
string s;
var t = new VirtualTerminalController();
t.Debugging = true;
var d = new DataConsumer(t);
t.ResizeView(80, 25);
Push(d, "Test of autowrap, mixing control and print characters.\r");
Push(d, "\r\n");
Push(d, "The left/right margins should have letters in order:\r");
Push(d, "\r\n");
Push(d, "".STBM(3, 21).EnableDECOM());
for (char ch = 'A'; ch <= 'Z'; ch++)
{
switch ((ch - 'A') % 4)
{
case 0:
Push(d, "".CUP(19, 1).T(ch.ToString()).CUP(19, 80).T(char.ToLower(ch).ToString()).CR().LF());
Push(d, "".CUP(18, 80).T(char.ToLower(ch).ToString()));
break;
case 1:
Push(d, ch.ToString().CUP(19, 80).T(char.ToLower(ch).ToString() + "\b \b").CR().LF());
break;
case 2:
Push(d, "".CUP(19, 80).T(ch.ToString() + "\b\b\t\t" + char.ToLower(ch).ToString()));
Push(d, "".CUP(19, 2).T("\b" + ch.ToString()).CR().LF());
break;
case 3:
Push(d, "".CUP(19, 80).CR().LF());
Push(d, "".CUP(18, 1).T(ch.ToString()).CUP(18, 80).T(char.ToLower(ch).ToString()));
break;
}
}
Push(d, "".DisableDECOM().STBM().CUP(22, 1).T("Push <RETURN>"));
s = t.GetScreenText();
Assert.Equal(ExpectAutoWrap80, s);
}
public void OneThirtyTwoColumnMode()
{
var t = new VirtualTerminalController();
var d = new DataConsumer(t);
t.ResizeView(5, 5);
PushToTerminal(d, "\u001b[?3h");
Assert.Equal(132, t.Columns);
Assert.Equal(5, t.Rows);
for (var i = 0; i < 16; i++)
{
PushToTerminal(d, "0123456789");
}
Assert.Equal(Expected132ColumnMode, t.GetScreenText());
}
public void HorizontalTabSet()
{
string s;
var t = new VirtualTerminalController();
var d = new DataConsumer(t);
t.ResizeView(80, 25);
t.TestPatternScrollingDiagonalLower();
// PUSH "\e[5G\eH"
// PUSH "\e[G\tX"
// putglyph 0x58 1 0,4
// ?cursor = 0,5
Push(d, "".CHA(5).HTS().CHA().T("\tX"));
s = t.GetVisibleChars(0, 0, 81);
Assert.Equal(ExpectHorizontalTabSet, s);
Assert.True(IsCursor(t, 0, 5));
}
public void EightiethPhantom()
{
string s;
var t = new VirtualTerminalController();
var d = new DataConsumer(t);
t.ResizeView(80, 25);
t.TestPatternScrollingDiagonalLower();
//PUSH "\e[79G"
//PUSH "A"
// putglyph 0x41 1 0,79
// ?cursor = 0,79
Push(d, "".CHA(80).T("A"));
s = t.GetVisibleChars(0, 0, 81);
Assert.Equal(ExpectEightiethPhantom, s);
Assert.True(IsCursor(t, 0, 79));
}
public void OriginModeWithoutScrollRegion()
{
var t = new VirtualTerminalController();
var d = new DataConsumer(t);
t.ResizeView(80, 25);
t.TestPatternScrollingDiagonalLower();
// PUSH "\e[5;15r"
// PUSH "\e[H"
// ?cursor = 0,0
Push(d, "".STBM(5, 15).CUP());
Assert.True(IsCursor(t, 0, 0));
// PUSH "\e[?6h"
// PUSH "\e[?69h"
// PUSH "\e[20;60s"
// PUSH "\e[H"
// ?cursor = 4,19
//
// PUSH "\e[?69l"
Push(d, "".EnableDECOM().EnableLRMM().LRMM(20, 60).CUP());
Assert.True(IsCursor(t, 4, 19));
// PUSH "\e[?69l"
Push(d, "".DisableLRMM());
// PUSH "\e[H"
// PUSH "\e[10A"
// ?cursor = 4,0
Push(d, "".CUP().CUU(10));
Assert.True(IsCursor(t, 4, 0));
// PUSH "\e[20B"
// ?cursor = 14,0
Push(d, "".CUD(20));
Assert.True(IsCursor(t, 14, 0));
// PUSH "\e[?6l"
// PUSH "\e[r\e[?6h"
// ?cursor = 0,0
Push(d, "".DisableDECOM().STBM().EnableDECOM());
Assert.True(IsCursor(t, 0, 0));
}
public void CombiningAcrossBuffers()
{
string s;
var t = new VirtualTerminalController();
var d = new DataConsumer(t);
t.ResizeView(80, 25);
t.TestPatternScrollingDiagonalLower();
// RESET
// PUSH "e"
// putglyph 0x65 1 0,0
d.Push(new byte[] { (byte)'e' });
s = t.GetVisibleChars(0, 0, 81);
Assert.Equal(ExpectCombiningAcrossBuffersEOnly, s);
// PUSH "\xCC\x81Z"
// putglyph 0x65,0x301 1 0,0
// putglyph 0x5a 1 0,1
d.Push(new byte[] { 0xCC, 0x81, (byte)'Z' });
s = t.GetVisibleChars(0, 0, 81);
Assert.Equal(ExpectCombiningUtf8Chars, s);
// RESET
// PUSH "e"
// putglyph 0x65 1 0,0
t.FullReset();
t.TestPatternScrollingDiagonalLower();
d.Push(new byte[] { (byte)'e' });
s = t.GetVisibleChars(0, 0, 81);
Assert.Equal(ExpectCombiningAcrossBuffersEOnly, s);
// PUSH "\xCC\x81"
// putglyph 0x65,0x301 1 0,0
d.Push(new byte[] { 0xCC, 0x81 });
s = t.GetVisibleChars(0, 0, 81);
Assert.Equal(ExpectDiacriticalEOnly, s);
// PUSH "\xCC\x82"
// putglyph 0x65,0x301,0x302 1 0,0
d.Push(new byte[] { 0xCC, 0x82 });
s = t.GetVisibleChars(0, 0, 81);
Assert.Equal(ExpectDoubleDiacriticalE, s);
}
public void ScrollRegionDown()
{
var t = new VirtualTerminalController();
var d = new DataConsumer(t);
t.ResizeView(5, 5);
t.ScreenAlignmentTest();
PushToTerminal(d, "AAAAABBBBBCCCCCDDDDDEEEEE");
t.SetScrollingRegion(2, 4);
t.EnableOriginMode(true);
t.NewLine();
t.NewLine();
t.NewLine();
string text = t.GetScreenText();
Assert.Equal(ExpectedScrollRegionDown, text);
}
public void InsertLineLowerRegionTop()
{
var t = new VirtualTerminalController();
var d = new DataConsumer(t);
t.ResizeView(5, 5);
t.ScreenAlignmentTest();
PushToTerminal(d, "AAAAABBBBBCCCCCDDDDDEEEEE");
t.SetScrollingRegion(3, 5);
t.EnableOriginMode(true);
t.SetCursorPosition(1, 1);
t.InsertLines(2);
string text = t.GetScreenText();
Assert.Equal(ExpectedScrollInsertLineLowerRegionTop, text);
Assert.Equal(5, t.Buffer.Count);
}
public void OriginModeWithDECSLRM()
{
var t = new VirtualTerminalController();
var d = new DataConsumer(t);
t.ResizeView(80, 25);
t.TestPatternScrollingDiagonalLower();
// PUSH "\e[5;15r"
// PUSH "\e[H"
// ?cursor = 0,0
Push(d, "".STBM(5, 15).CUP());
Assert.True(IsCursor(t, 0, 0));
// PUSH "\e[3;3H"
// ?cursor = 2,2
Push(d, "".CUP(3, 3));
Assert.True(IsCursor(t, 2, 2));
// PUSH "\e[?6h"
// PUSH "\e[H"
// ?cursor = 4,0
Push(d, "".EnableDECOM().CUP());
Assert.True(IsCursor(t, 4, 0));
// PUSH "\e[3;3H"
// ?cursor = 6,2
Push(d, "".CUP(3, 3));
Assert.True(IsCursor(t, 6, 2));
// PUSH "\e[?6h"
// PUSH "\e[?69h"
// PUSH "\e[20;60s"
// PUSH "\e[H"
// ?cursor = 4,19
//
// PUSH "\e[?69l"
Push(d, "".EnableDECOM().EnableLRMM().LRMM(20, 60).CUP());
Assert.True(IsCursor(t, 4, 19));
Push(d, "".DisableLRMM());
}
public void SingleWidthSingleHeight()
{
string s;
var t = new VirtualTerminalController();
var d = new DataConsumer(t);
t.ResizeView(80, 25);
t.TestPatternScrollingDiagonalLower();
// PUSH "\e#5"
// PUSH "Hello"
// putglyph 0x48 1 0,0
// putglyph 0x65 1 0,1
// putglyph 0x6c 1 0,2
// putglyph 0x6c 1 0,3
// putglyph 0x6f 1 0,4
Push(d, "".DECSWL().T("Hello"));
s = t.GetVisibleChars(0, 0, 81);
Assert.Equal(ExpectSingleWidthSingleHeight, s);
}
public void DECSCAProtected()
{
string s;
var t = new VirtualTerminalController();
var d = new DataConsumer(t);
t.ResizeView(80, 25);
t.TestPatternScrollingDiagonalLower();
// PUSH "A\e[1\"qB\e[2\"qC"
// putglyph 0x41 1 0,0
// putglyph 0x42 1 0,1 prot
// putglyph 0x43 1 0,2
Push(d, "A".DECSCA(1).T("B").DECSCA(2).T("C"));
s = t.GetVisibleChars(0, 0, 81);
Assert.Equal(ExpectLow, s);
Assert.False(t.IsProtected(0, 0));
Assert.True(t.IsProtected(0, 1));
Assert.False(t.IsProtected(0, 2));
}
public void CursorHorizontalAbsolute()
{
var t = new VirtualTerminalController();
t.ResizeView(80, 25);
var d = new DataConsumer(t);
Push(d, "".LF());
Assert.Equal(1, t.ViewPort.CursorPosition.Row);
Assert.Equal(0, t.ViewPort.CursorPosition.Column);
Push(d, "".CHA(20));
Assert.Equal(1, t.ViewPort.CursorPosition.Row);
Assert.Equal(19, t.ViewPort.CursorPosition.Column);
Push(d, "".CHA());
Assert.Equal(1, t.ViewPort.CursorPosition.Row);
Assert.Equal(0, t.ViewPort.CursorPosition.Column);
}
public void CursorPosition()
{
var t = new VirtualTerminalController();
t.ResizeView(80, 25);
var d = new DataConsumer(t);
Push(d, "".CUP(10, 5));
Assert.Equal(9, t.ViewPort.CursorPosition.Row);
Assert.Equal(4, t.ViewPort.CursorPosition.Column);
Push(d, "".CUP(8));
Assert.Equal(7, t.ViewPort.CursorPosition.Row);
Assert.Equal(0, t.ViewPort.CursorPosition.Column);
Push(d, "".CUP());
Assert.Equal(0, t.ViewPort.CursorPosition.Row);
Assert.Equal(0, t.ViewPort.CursorPosition.Column);
}
public void CursorForward()
{
var t = new VirtualTerminalController();
t.ResizeView(80, 25);
var d = new DataConsumer(t);
Push(d, "".CUD());
Assert.Equal(1, t.ViewPort.CursorPosition.Row);
Assert.Equal(0, t.ViewPort.CursorPosition.Column);
Push(d, "".CUD(3));
Assert.Equal(4, t.ViewPort.CursorPosition.Row);
Assert.Equal(0, t.ViewPort.CursorPosition.Column);
Push(d, "".CUD(0));
Assert.Equal(5, t.ViewPort.CursorPosition.Row);
Assert.Equal(0, t.ViewPort.CursorPosition.Column);
}
public void Title()
{
var t = new VirtualTerminalController();
var d = new DataConsumer(t);
t.ResizeView(80, 25);
t.TestPatternScrollingDiagonalLower();
string windowTitle = "";
t.WindowTitleChanged += (sender, args) =>
{
windowTitle = args.Text;
};
// !Title
// PUSH "\e]2;Here is my title\a"
// settermprop 4 "Here is my title"
Push(d, "".ChangeWindowTitle("Here is my title"));
Assert.Equal("Here is my title", windowTitle);
}
public VirtualTerminal()
{
InitializeComponent();
this.controller = new VirtualTerminalController();
this.controllerSink = new DataConsumer(this.controller);
this.DoubleBuffered = true;
this.Font = new Font(TerminalFont.FontFamily, 9.75f);
this.controller.ShowCursor(true);
this.controller.SendData += (sender, args) =>
{
OnInput(new InputEventArgs(Encoding.UTF8.GetString(args.Data)));
};
this.Disposed += (sender, args) =>
{
this.caret?.Dispose();
};
}
public void MouseInSimpleButtonReportMode()
{
var t = new VirtualTerminalController();
var d = new DataConsumer(t);
t.ResizeView(64, 18);
t.TestPatternScrollingDiagonalLower();
string output = "";
t.SendData += (sender, args) =>
{
output = Encoding.ASCII.GetString(args.Data);
};
// PUSH "\e[?1000h"
// settermprop 8 1
Push(d, "".DECSET(1000));
Push(d, "".DecDECRQM(1000));
Assert.Equal("".DecDECRQMResponse(1000, 1), output);
}
public void NonSelectiveErasure()
{
string s;
var t = new VirtualTerminalController();
var d = new DataConsumer(t);
t.ResizeView(80, 25);
t.TestPatternScrollingDiagonalLower();
// PUSH "A\e[1\"qB\e[\"qC"
// ?screen_chars 0,0,1,3 = 0x41,0x42,0x43
Push(d, "A".DECSCA(1).T("B").DECSCA().T("C"));
s = t.GetVisibleChars(0, 0, 81);
Assert.Equal(ExpectBeforeErasure, s);
// PUSH "\e[G\e[J"
// ?screen_chars 0,0,1,3 =
Push(d, "".CHA().EL());
s = t.GetVisibleChars(0, 0, 81);
Assert.Equal(ExpectAfterNonSelectiveErasure, s);
}
public void TabStopsAfterResize()
{
string s;
var t = new VirtualTerminalController();
var d = new DataConsumer(t);
t.ResizeView(100, 30);
t.TestPatternScrollingDiagonalLower();
// # Should be 100/8 = 12 tabstops
// PUSH "\tX"
// putglyph 0x58 1 0,8
// PUSH "\tX"
// putglyph 0x58 1 0,16
// PUSH "\tX"
// putglyph 0x58 1 0,24
// PUSH "\tX"
// putglyph 0x58 1 0,32
// PUSH "\tX"
// putglyph 0x58 1 0,40
// PUSH "\tX"
// putglyph 0x58 1 0,48
// PUSH "\tX"
// putglyph 0x58 1 0,56
// PUSH "\tX"
// putglyph 0x58 1 0,64
// PUSH "\tX"
// putglyph 0x58 1 0,72
// PUSH "\tX"
// putglyph 0x58 1 0,80
// PUSH "\tX"
// putglyph 0x58 1 0,88
// PUSH "\tX"
// putglyph 0x58 1 0,96
// ?cursor = 0,97
Push(d, "\tX\tX\tX\tX\tX\tX\tX\tX\tX\tX\tX\tX");
s = t.GetVisibleChars(0, 0, 101);
Assert.Equal(ExpectedTabStopsAfterResize, s);
Assert.True(IsCursor(t, 0, 97));
}
public void SeventyNinthColumn()
{
string s;
var t = new VirtualTerminalController();
var d = new DataConsumer(t);
t.ResizeView(80, 25);
t.TestPatternScrollingDiagonalLower();
//PUSH "\e[75G"
//PUSH "A"x5
// putglyph 0x41 1 0,74
// putglyph 0x41 1 0,75
// putglyph 0x41 1 0,76
// putglyph 0x41 1 0,77
// putglyph 0x41 1 0,78
// ?cursor = 0,79
Push(d, "".CHA(75).T("AAAAA"));
s = t.GetVisibleChars(0, 0, 81);
Assert.Equal(ExpectSeventyNinthColumn, s);
Assert.True(IsCursor(t, 0, 79));
}
public void TabClearAll()
{
string s;
var t = new VirtualTerminalController();
var d = new DataConsumer(t);
t.ResizeView(80, 25);
t.TestPatternScrollingDiagonalLower();
// PUSH "\e[3g\e[50G\eH\e[G"
// ?cursor = 0,0
Push(d, "".TBC(3).CHA(50).HTS().CHA());
Assert.True(IsCursor(t, 0, 0));
// PUSH "\tX"
// putglyph 0x58 1 0,49
// ?cursor = 0,50
Push(d, "\tX");
s = t.GetVisibleChars(0, 0, 81);
Assert.Equal(ExpectedTabClearAll, s);
Assert.True(IsCursor(t, 0, 50));
}
public void MixedASCIIAndUtf8()
{
string s;
var t = new VirtualTerminalController();
var d = new DataConsumer(t);
t.ResizeView(80, 25);
t.TestPatternScrollingDiagonalUpper();
// RESET
// PUSH "\e(B"
// PUSH "AB\xc4\x88D"
// putglyph 0x0041 1 0,0
// putglyph 0x0042 1 0,1
// putglyph 0x0108 1 0,2
// putglyph 0x0044 1 0,3
Push(d, "".DesignateG0('B').T("AB"));
d.Push(new byte[] { 0xc4, 0x88 });
Push(d, "D");
s = t.GetVisibleChars(0, 0, 81);
Assert.Equal(ExpectMixedASCIIAndUtf8, s);
}
