private static void ScreenFillHelper(CmdApp app, ViewportArea area, IntPtr hConsole)
{
Log.Comment("Fill screen with junk");
app.UIRoot.SendKeys(Keys.Shift + "`" + Keys.Shift);
Globals.WaitForTimeout(); // give the buffer time to fill.
GetExpectedChar expectedCharAlgorithm = (int rowId, int colId, int height, int width) =>
{
// For the very last bottom right corner character, it should be space. Every other character is a Z when filled.
if (rowId == (height - 1) && colId == (width - 1))
{
return(' ');
}
else
{
return('Z');
}
};
BufferVerificationHelper(app, area, hConsole, expectedCharAlgorithm);
}
private static void BufferVerificationHelper(CmdApp app, ViewportArea area, IntPtr hConsole, GetExpectedChar expectedCharAlgorithm)
{
WinCon.SMALL_RECT viewport = app.GetViewport(hConsole);
Rectangle selectRect = new Rectangle(viewport.Left, viewport.Top, viewport.Width, viewport.Height);
IEnumerable <string> scrapedText = area.GetLinesInRectangle(hConsole, selectRect);
Verify.AreEqual(viewport.Height, scrapedText.Count(), "Verify the rows scraped is equal to the entire viewport height.");
bool isValidState = true;
string[] rows = scrapedText.ToArray();
for (int i = 0; i < rows.Length; i++)
{
for (int j = 0; j < viewport.Width; j++)
{
char actual = rows[i][j];
char expected = expectedCharAlgorithm(i, j, rows.Length, viewport.Width);
isValidState = actual == expected;
if (!isValidState)
{
Verify.Fail(string.Format("Text buffer verification failed at Row: {0} Col: {1} Expected: '{2}' Actual: '{3}'", i, j, expected, actual));
break;
}
}
if (!isValidState)
{
break;
}
}
}
