private TextDocumentContentChangeEvent DeleteAll(IReadOnlyList <string> content)
{
var changeRange = new VisualStudio.LanguageServer.Protocol.Range
{
Start = new Position(0, 0),
End = content.Any() ? new Position(content.Count - 1, content.Last().Length) : new Position(0, 0)
};
var changeLength = TestUtils.GetRangeLength(changeRange, content);
return(new TextDocumentContentChangeEvent
{
Range = changeRange,
RangeLength = changeLength,
Text = string.Empty
});
}
// does not modify range
internal static int GetRangeLength(VisualStudio.LanguageServer.Protocol.Range range, IReadOnlyList <string> content)
{
Assert.IsTrue(Builder.IsValidRange(range));
if (range.Start.Line == range.End.Line)
{
return(range.End.Character - range.Start.Character);
}
var changeLength = content[range.Start.Line].Length - range.Start.Character;
for (var line = range.Start.Line + 1; line < range.End.Line; ++line)
{
changeLength += content[line].Length;
}
return(changeLength + range.End.Character);
}
private VisualStudio.LanguageServer.Protocol.Range GetRandomRange(IReadOnlyList <string> content)
{
var(startLine, endLine) = (this.rnd.Next(0, content.Count), this.rnd.Next(0, content.Count));
var(startChar, endChar) = (this.rnd.Next(0, content[startLine].Length + 1), this.rnd.Next(0, content[endLine].Length + 1));
((startLine, startChar), (endLine, endChar)) =
startLine <= endLine ?
((startLine, startChar), (endLine, endChar)) :
((endLine, endChar), (startLine, startChar));
if (startLine == endLine && startChar > endChar)
{
(startChar, endChar) = (endChar, startChar);
}
var range = new VisualStudio.LanguageServer.Protocol.Range
{
Start = new Position(startLine, startChar),
End = new Position(endLine, endChar)
};
Assert.IsTrue(TestUtils.IsValidRange(range));
return(range);
}
