using System;

using System.Linq;

using Microsoft.PowerShell;

using Xunit;

namespace Test

{

public partial class ReadLine

{

// Disabled because the test is not portable without some mocking that

// probably not worth the effort.

//[Fact]

private void CaptureScreen()

{

TestSetup(KeyMode.Cmd,

new KeyHandler("Ctrl+z", PSConsoleReadLine.CaptureScreen));

var line = new [] {"echo alpha", "echo beta", "echo phi", "echo rho"};

Test(line[0], Keys(line[0], _.Ctrl_z, _.Enter, _.Enter));

AssertScreenCaptureClipboardIs(line[0]);

var cancelKeys = new[] {_.Escape, _.Ctrl_c, _.Ctrl_g};

for (int i = 0; i < cancelKeys.Length; i++)

{

// Start CaptureScreen but cancel

Test(line[i + 1], Keys(line[i + 1], _.Ctrl_z, cancelKeys[i], _.Enter), resetCursor: false);

// Make sure the clipboard doesn't change

AssertScreenCaptureClipboardIs(line[0]);

}

// Make sure we know where we are on the screen.

AssertCursorTopIs(4);

var shiftUpArrow = new ConsoleKeyInfo('\0', ConsoleKey.UpArrow, true, false, false);

var shiftDownArrow = new ConsoleKeyInfo('\0', ConsoleKey.DownArrow, true, false, false);

Test("", Keys(

// Basic up/down arrows

_.Ctrl_z, _.UpArrow, _.Enter, CheckThat(() => AssertScreenCaptureClipboardIs(line[3])),

_.Ctrl_z, _.UpArrow, _.UpArrow, _.Enter, CheckThat(() => AssertScreenCaptureClipboardIs(line[2])),

_.Ctrl_z, _.UpArrow, _.UpArrow, _.DownArrow, _.Enter,

CheckThat(() => AssertScreenCaptureClipboardIs(line[3])),

// Select multiple lines

_.Ctrl_z, _.UpArrow, shiftUpArrow, _.Enter,

CheckThat(() => AssertScreenCaptureClipboardIs(line[2], line[3])),

_.Ctrl_z, Enumerable.Repeat(_.UpArrow, 10), shiftDownArrow, _.Enter,

CheckThat(() => AssertScreenCaptureClipboardIs(line[0], line[1])),

// Select multiple lines, then shorten selection

_.Ctrl_z, _.UpArrow, shiftUpArrow, shiftUpArrow, shiftDownArrow, _.Enter,

CheckThat(() => AssertScreenCaptureClipboardIs(line[2], line[3])),

_.Ctrl_z, Enumerable.Repeat(_.UpArrow, 10), shiftDownArrow, shiftDownArrow, shiftUpArrow, _.Enter,

CheckThat(() => AssertScreenCaptureClipboardIs(line[0], line[1])),

// Test trying to arrow down past end of buffer (arrowing past top of buffer covered above)

_.Ctrl_z, Enumerable.Repeat(_.DownArrow, _console.BufferHeight), _.Escape),

resetCursor: false);

// Test that we ding input that doesn't do anything

TestMustDing("", Keys(_.Ctrl_z, 'c', _.Escape));

TestMustDing("", Keys(_.Ctrl_z, 'a', _.Escape));

TestMustDing("", Keys(_.Ctrl_z, 'z', _.Escape));

// To test:

// * Selected lines are inverted

// * Rtf output

// * Rtf special characters

}

}

}