public static int CountTrailingCRLF(AutomationElement autoElement, TextPatternRange callingRange)
{
// Bug: 1134056: Resolve RichEdit control inconsistencies / unexpected behavior
int offset = 0;
Library.ValidateArgumentNonNull(autoElement, "AutomationElement cannot be null");
Library.ValidateArgumentNonNull(callingRange, "callingRange cannot be null");
if (IsRichEdit(autoElement) == true)
{
string text = callingRange.GetText(-1);
offset = GetTrailingCRLFOffset(text);
}
return offset;
}
public static void TrimRangeCRLF(AutomationElement autoElement, TextPatternRange callingRange)
{
Library.ValidateArgumentNonNull(autoElement, "AutomationElement cannot be null");
Library.ValidateArgumentNonNull(autoElement, "callingRange cannot be null");
if (IsRichEdit(autoElement) == true)
{
int actualOffset = 0; // Actual offset of \r, \n or \r\n
int expectedOffset = 0; // Expected offset of \r, \n or \r\n
string text = callingRange.GetText(-1);
expectedOffset = GetTrailingCRLFOffset(text);
// Now... move the endpoint
actualOffset = callingRange.MoveEndpointByUnit(TextPatternRangeEndpoint.End, TextUnit.Character, expectedOffset);
if (actualOffset != expectedOffset)
throw new InvalidOperationException("Unable to move endpoint back by " + expectedOffset + " characters. Actual = " + actualOffset);
else
/* changing to new flexible logging */
//Logger.LogComment("Adjusted size of range for RichEdit control by omitting last " + expectedOffset + " characters");
UIVerifyLogger.LogComment("Adjusted size of range for RichEdit control by omitting last " + expectedOffset + " characters");
}
}
/// --------------------------------------------------------------------
/// <summary>
/// The delegate for the target text selection changed event.
/// </summary>
/// <param name="arg">null argument</param>
/// <returns>A null object.</returns>
/// --------------------------------------------------------------------
private void NotifySelectionChanged()
{
// Get the array of disjoint selections.
var selectionRanges =
_targetTextPattern.GetSelection();
// Update the current search range.
// For the purposes of this sample only the first selection
// range will be echoed in the client.
_searchRange = selectionRanges[0];
// For performance and security reasons we'll limit
// the length of the string retrieved to 100 characters.
// Alternatively, GetText(-1) will retrieve all selected text.
var selectedText = _searchRange.GetText(100);
_targetSelectionLabel.Content =
"Currently selected (100 character maximum): " +
selectedText.Length + " characters.";
// Report target selection details.
DisplaySelectedTextWithAttributes(selectedText);
}
internal static int Win32CountTextUnit(TextUnit textUnit, TextPatternRange rangeToCount)
{
AutomationElement element = null;
string actualText = "";
ValidateArgumentNonNull(rangeToCount, "rangeToCount argument cannot be null"); // Sanity check
// Get text
try
{
actualText = rangeToCount.GetText(-1);
element = rangeToCount.GetEnclosingElement();
if (element == null)
throw new InvalidOperationException("Null automation element incorrectly returned by TextPatternRange.GetEnclosingElement() in Win32CountTextUnit()");
}
catch (Exception exception)
{
if (IsCriticalException(exception))
throw;
throw new InvalidOperationException("Unable to call TextPatternRange.GetText() in Win32CountTextUnit()", exception);
}
// Count text units and assign to array element
switch (textUnit)
{
case TextUnit.Character:
return actualText.Length;
case TextUnit.Format:
return CountTextUnit(TextUnit.Format, rangeToCount);
case TextUnit.Word:
return CountTextUnit(TextUnit.Word, rangeToCount);
case TextUnit.Line:
return Win32CountLines(element);
case TextUnit.Paragraph:
return CountParagraphs(actualText);
case TextUnit.Page:
return 1;
case TextUnit.Document:
return 1;
default:
throw new ArgumentException("CountTextUnits() does not support " + textUnit.ToString());
}
}
public static int CountTextUnit(TextUnit tu, TextPatternRange rangeToCount)
{
ValidateArgumentNonNull(rangeToCount, "rangeToCount argument cannot be null"); // Sanity check
TextPatternRange clone = rangeToCount.Clone();
int count = clone.MoveEndpointByUnit(TextPatternRangeEndpoint.Start, tu, Int32.MaxValue);
// Provider / Text Unit specific offsets
switch(typeOfProvider)
{
case "win32":
case "winform":
{
// This is to correct the fact that our line count will skip the last line if it
// DOES NOT have a trailing \r, \n or \r\n
if( tu == TextUnit.Line )
{
string text = rangeToCount.GetText(-1);
AutomationElement element = rangeToCount.GetEnclosingElement();
if( IsTrailingCRLF(element, text) == 0 )
count++;
}
}
break;
case "wpf":
break;
}
return count;
}
//---------------------------------------------------------------------------
// Wrapper for TextPatternRange.GetText Method
// that "eats" InavlidOperationException's when raised
// THis is so we can get all the text of a control without 1456324 causing
// unexpected side-effects of the test infrastructure / tests whose scenarios
// may not obviously define them as having 1456324 as a "known issue"
//---------------------------------------------------------------------------
internal string Range_GetText(TextPatternRange callingRange)
{
string text = "";
string call = "TextPatternRange.GetText(-1)";
Comment("---Calling " + call);
if (callingRange == null)
throw new ArgumentNullException(call + " requires non-NULL TextPatterncallingRange");
try
{
text = callingRange.GetText(-1);
}
catch (InvalidOperationException)
{
Comment("SOFT ERROR: GetText(-1) raised InvalidOperationException. This is a known bug.");
Comment(" 1456324: BVT BLOCKER: GetText(-1) throws InvalidOperationException");
ThrowMe(CheckType.IncorrectElementConfiguration, "Unable to continue with test due to known bug/side-effect");
}
return text;
}
//---------------------------------------------------------------------------
// Wrapper for TextPatternRange.GetText Method
//---------------------------------------------------------------------------
internal void Range_GetText(TextPatternRange callingRange, ref string text, int maxLength, Type expectedException, CheckType checkType)
{
string call = "TextPatternRange.GetText(" + maxLength + ")";
Comment("---Calling " + call);
if (callingRange == null)
throw new ArgumentNullException(call + " requires non-NULL TextPatterncallingRange");
try
{
text = callingRange.GetText(maxLength);
}
catch (Exception actualException)
{
if (Library.IsCriticalException(actualException))
throw;
// // Can't use BugIssues.PS1456324 here becasue
// // coneivably MOST of the 300 TextPattern tests could hit this
//if (maxLength == -1) // Can't use TS_FilterOnException because of this special case
// ThrowMe(CheckType.KnownProductIssue, "Bug hit 1456324");
TestException(expectedException, actualException, call, checkType);
return;
}
TestNoExceptionQuiet(expectedException, call, checkType);
}