public void Construction(string content, int[] expectedStarts, int[] expectedLengths, int[] expectedLineBreakLengths)
{
var b = new EditorBuffer(content, "R");
var s = new EditorBufferSnapshot(b, content, 2);
s.Version.Should().Be(2);
s.GetText().Should().Be(content);
s.LineCount.Should().Be(expectedStarts.Length);
for (var i = 0; i < s.LineCount; i++)
{
var lineFromNumber = s.GetLineFromLineNumber(i);
lineFromNumber.LineNumber.Should().Be(i);
var lineStart = expectedStarts[i];
var lineEnd = expectedStarts[i] + expectedLengths[i];
lineFromNumber.Start.Should().Be(lineStart);
lineFromNumber.End.Should().Be(lineEnd);
lineFromNumber.Length.Should().Be(lineEnd - lineStart);
lineFromNumber.LineBreak.Length.Should().Be(expectedLineBreakLengths[i]);
for (var j = lineStart; j < lineEnd; j++)
{
var lineFromPosition = s.GetLineFromPosition(j);
lineFromPosition.Should().Be(lineFromNumber);
}
}
}
public void InvalidLines(string content, int position)
{
var b = new EditorBuffer(content, "R");
var s = new EditorBufferSnapshot(b, content, 1);
Action a = () => s.GetLineFromPosition(position);
a.ShouldThrow <ArgumentOutOfRangeException>();
}
public void Lines(string content, int position, int expectedLineNumber, int expectedCharIndex)
{
var b = new EditorBuffer(content, "R");
var s = new EditorBufferSnapshot(b, content, 2);
var line = s.GetLineFromPosition(position);
line.LineNumber.Should().Be(expectedLineNumber);
(position - line.Start).Should().Be(expectedCharIndex);
}