public void TestMouseWheel()
{
// Use a registry helper to backup and restore registry state before/after test
using (RegistryHelper reg = new RegistryHelper())
{
reg.BackupRegistry();
// Start our application to test
using (CmdApp app = new CmdApp(CreateType.ProcessOnly, TestContext))
{
Log.Comment("First ensure that word wrap is off so we can get scroll bars in both directions.");
// Make sure wrap is off
app.SetWrapState(false);
IntPtr handle = app.GetStdOutHandle();
Verify.IsNotNull(handle, "Ensure we have the output handle.");
Log.Comment("Set up the window so the buffer is larger than the window. Retrieve existing properties then set the viewport to smaller than the buffer.");
WinCon.CONSOLE_SCREEN_BUFFER_INFO_EX info = app.GetScreenBufferInfo(handle);
info.srWindow.Left = 0;
info.srWindow.Right = 30;
info.srWindow.Top = 0;
info.srWindow.Bottom = 30;
info.dwSize.X = 100;
info.dwSize.Y = 100;
app.SetScreenBufferInfo(handle, info);
Log.Comment("Now retrieve the starting position of the window viewport.");
Log.Comment("Scroll down one.");
VerifyScroll(app, ScrollDir.Vertical, -1);
Log.Comment("Scroll right one.");
VerifyScroll(app, ScrollDir.Horizontal, 1);
Log.Comment("Scroll left one.");
VerifyScroll(app, ScrollDir.Horizontal, -1);
Log.Comment("Scroll up one.");
VerifyScroll(app, ScrollDir.Vertical, 1);
}
}
}
[TestProperty("Ignore", "True")] // GH#7282 - investigate and reenable
public void CanExpandToEnclosingUnitTextRangeProvider()
{
using (CmdApp app = new CmdApp(CreateType.ProcessOnly, TestContext))
{
var sbiex = app.GetScreenBufferInfo();
sbiex.dwSize.Y = (short)(2 * sbiex.srWindow.Height);
app.SetScreenBufferInfo(sbiex);
AutomationElement textAreaUiaElement = GetTextAreaUiaElement(app);
TextPattern textPattern = textAreaUiaElement.GetCurrentPattern(TextPattern.Pattern) as TextPattern;
TextPatternRange[] visibleRanges = textPattern.GetVisibleRanges();
TextPatternRange testRange = visibleRanges.First().Clone();
// change testRange to a degenerate range and then expand to a line
testRange.MoveEndpointByRange(TextPatternRangeEndpoint.End, testRange, TextPatternRangeEndpoint.Start);
Verify.AreEqual(0, testRange.CompareEndpoints(TextPatternRangeEndpoint.Start,
testRange,
TextPatternRangeEndpoint.End));
testRange.ExpandToEnclosingUnit(TextUnit.Line);
Verify.IsTrue(testRange.Compare(visibleRanges[0]));
// expand to document size
testRange.ExpandToEnclosingUnit(TextUnit.Document);
Verify.IsTrue(testRange.Compare(textPattern.DocumentRange));
// shrink back to a line
testRange.ExpandToEnclosingUnit(TextUnit.Line);
Verify.IsTrue(testRange.Compare(visibleRanges[0]));
// make the text buffer start to cycle its buffer
_FillOutputBufferWithData(app);
// expand to document range again
testRange.ExpandToEnclosingUnit(TextUnit.Document);
Verify.IsTrue(testRange.Compare(textPattern.DocumentRange));
}
}
private void TestScrollByOverflowImpl(CmdApp app, ViewportArea area, IntPtr hConsole, WinCon.CONSOLE_SCREEN_BUFFER_INFO_EX sbiex, Queue <EventData> expected, WinCon.CONSOLE_SCREEN_BUFFER_INFO_EX sbiexOriginal)
{
// Get original screen information
sbiexOriginal = app.GetScreenBufferInfo();
short promptLineEnd = sbiexOriginal.dwCursorPosition.X;
promptLineEnd--; // prompt line ended one position left of cursor
// Resize the window to only have two lines left at the bottom to test overflow when we echo some text
sbiex = sbiexOriginal;
sbiex.srWindow.Bottom = sbiex.dwCursorPosition.Y;
sbiex.srWindow.Bottom += 3;
app.SetScreenBufferInfo(sbiex);
string echoText = "foo";
string echoCommand = "echo";
int echoLine = sbiexOriginal.dwCursorPosition.Y + 1;
expected.Enqueue(new EventData(EventType.UpdateRegion, 0, echoLine, echoText.Length - 1, echoLine));
expected.Enqueue(new EventData(EventType.UpdateScroll, 0, -1));
int newPromptLine = echoLine + 2;
expected.Enqueue(new EventData(EventType.UpdateRegion, 0, newPromptLine, promptLineEnd, newPromptLine));
expected.Enqueue(new EventData(EventType.Layout));
expected.Enqueue(new EventData(EventType.CaretVisible, promptLineEnd + 1, newPromptLine));
// type command to echo foo and press enter
app.UIRoot.SendKeys($"{echoCommand} {echoText}");
Globals.WaitForTimeout();
received.Clear();
app.UIRoot.SendKeys(Keys.Enter);
Globals.WaitForTimeout();
VerifyQueue(expected);
}
[TestProperty("Ignore", "True")] // GH#7282 - investigate and reenable
public void CanMoveEndpointByUnitNearBottomBoundary()
{
using (CmdApp app = new CmdApp(CreateType.ProcessOnly, TestContext))
{
var sbiex = app.GetScreenBufferInfo();
sbiex.dwSize.Y = (short)(2 * sbiex.srWindow.Height);
app.SetScreenBufferInfo(sbiex);
AutomationElement textAreaUiaElement = GetTextAreaUiaElement(app);
TextPattern textPattern = textAreaUiaElement.GetCurrentPattern(TextPattern.Pattern) as TextPattern;
TextPatternRange[] visibleRanges = textPattern.GetVisibleRanges();
TextPatternRange testRange = visibleRanges.First().Clone();
// assumes that range is a line range at the bottom of the screen buffer
Action <TextPatternRange> testBottomBoundary = delegate(TextPatternRange range)
{
// the range is at the bottom of the screen buffer, we
// shouldn't be able to move the endpoint endpoint down
int moveAmount = range.MoveEndpointByUnit(TextPatternRangeEndpoint.End, TextUnit.Line, 1);
Verify.AreEqual(0, moveAmount);
// we shouldn't be able to move the starting endpoint down either
moveAmount = range.MoveEndpointByUnit(TextPatternRangeEndpoint.Start, TextUnit.Line, 1);
Verify.AreEqual(0, moveAmount);
};
// move the range to the bottom of the screen
int rowsToMove = _GetTotalRows(app) - 1;
int moveCount = testRange.Move(TextUnit.Line, rowsToMove);
Verify.AreEqual(rowsToMove, moveCount);
testBottomBoundary(testRange);
// we want to test that the boundaries are still observed
// when the screen buffer index and text buffer index don't align.
// write a bunch of text to the screen to fill up the text
// buffer and make it start to reuse its buffer
_FillOutputBufferWithData(app);
Globals.WaitForTimeout();
// move all the way to the top
visibleRanges = textPattern.GetVisibleRanges();
testRange = visibleRanges.First().Clone();
while (true)
{
int moved = testRange.Move(TextUnit.Line, -1);
if (moved == 0)
{
break;
}
}
// we're at the top of the screen buffer, so move back to the bottom
// so we can test
rowsToMove = _GetTotalRows(app) - 1;
moveCount = testRange.Move(TextUnit.Line, rowsToMove);
Verify.AreEqual(rowsToMove, moveCount);
testRange.ScrollIntoView(true);
testBottomBoundary(testRange);
}
}
[TestProperty("Ignore", "True")] // GH#7282 - investigate and reenable
public void CanMoveRange()
{
using (CmdApp app = new CmdApp(CreateType.ProcessOnly, TestContext))
{
var sbiex = app.GetScreenBufferInfo();
sbiex.dwSize.Y = (short)(2 * sbiex.srWindow.Height);
app.SetScreenBufferInfo(sbiex);
AutomationElement textAreaUiaElement = GetTextAreaUiaElement(app);
TextPattern textPattern = textAreaUiaElement.GetCurrentPattern(TextPattern.Pattern) as TextPattern;
TextPatternRange[] visibleRanges = textPattern.GetVisibleRanges();
TextPatternRange testRange = visibleRanges.First().Clone();
// assumes range is at the top of the screen buffer
Action <TextPatternRange> testMovement = delegate(TextPatternRange range)
{
// the range is at the top of the screen
// buffer, we shouldn't be able to move up.
int moveAmount = range.Move(TextUnit.Line, -1);
Verify.AreEqual(0, moveAmount);
// move to the bottom of the screen
// - 1 because we're already on the 0th row
int rowsToMove = _GetTotalRows(app) - 1;
moveAmount = range.Move(TextUnit.Line, rowsToMove);
Verify.AreEqual(rowsToMove, moveAmount);
// try to move one more row down, we should not be able to
moveAmount = range.Move(TextUnit.Line, 1);
Verify.AreEqual(0, moveAmount);
// move the range up to the top again, one row at a time,
// making sure that we have only one line being encompassed
// by the range. We check this by counting the number of
// bounding rectangles that represent the range.
for (int i = 0; i < rowsToMove; ++i)
{
moveAmount = range.Move(TextUnit.Line, -1);
// we need to scroll into view or getting the boundary
// rectangles might return 0
Verify.AreEqual(-1, moveAmount);
range.ScrollIntoView(true);
Rect[] boundingRects = range.GetBoundingRectangles();
Verify.AreEqual(1, boundingRects.GetLength(0));
}
// and back down to the bottom, one row at a time
for (int i = 0; i < rowsToMove; ++i)
{
moveAmount = range.Move(TextUnit.Line, 1);
// we need to scroll into view or getting the boundary
// rectangles might return 0
Verify.AreEqual(1, moveAmount);
range.ScrollIntoView(true);
Rect[] boundingRects = range.GetBoundingRectangles();
Verify.AreEqual(1, boundingRects.GetLength(0));
}
};
testMovement(testRange);
// test again with unaligned text buffer and screen buffer
_FillOutputBufferWithData(app);
Globals.WaitForTimeout();
visibleRanges = textPattern.GetVisibleRanges();
testRange = visibleRanges.First().Clone();
// move range back to the top
while (true)
{
int moveCount = testRange.Move(TextUnit.Line, -1);
if (moveCount == 0)
{
break;
}
}
testMovement(testRange);
}
}