public static TestSource Read(string rawSource)
{
var testInput = new TestSource();
var lines = rawSource.Split(new[] { "\n", "\r\n" }, StringSplitOptions.None);
for (var i = 0; i < lines.Length; i++)
{
var line = lines[i];
var markerStartIndex = line.IndexOf(MarkerStart, StringComparison.Ordinal);
if (markerStartIndex != -1)
{
var markerEndIndex = line.IndexOf(MarkerEnd, markerStartIndex, StringComparison.Ordinal);
var markerName = line.Substring(markerStartIndex + 2, markerEndIndex - markerStartIndex - 2);
var markerLocation = new DiagnosticLocation(i + 1, markerStartIndex + 1);
if (testInput.DefaultMarkerLocation == null)
{
testInput.DefaultMarkerLocation = markerLocation;
}
testInput.MarkerLocations.Add(markerName, markerLocation);
line = line.Substring(0, markerStartIndex) + line.Substring(markerEndIndex + MarkerEnd.Length);
}
lines[i] = line;
}
testInput.Source = string.Join(Environment.NewLine, lines);
return(testInput);
}
public static void DiagnosticLocation(DiagnosticLocation expected, Location actual)
{
var actualSpan = actual.GetLineSpan();
var actualLinePosition = actualSpan.StartLinePosition;
// Only check line position if there is an actual line in the real diagnostic
if (actualLinePosition.Line > 0)
{
if (actualLinePosition.Line + 1 != expected.Line)
{
throw new DiagnosticLocationAssertException(
expected,
actual,
$"Expected diagnostic to be on line \"{expected.Line}\" was actually on line \"{actualLinePosition.Line + 1}\"");
}
}
// Only check column position if there is an actual column position in the real diagnostic
if (actualLinePosition.Character > 0)
{
if (actualLinePosition.Character + 1 != expected.Column)
{
throw new DiagnosticLocationAssertException(
expected,
actual,
$"Expected diagnostic to start at column \"{expected.Column}\" was actually on column \"{actualLinePosition.Character + 1}\"");
}
}
}
public DiagnosticLocationAssertException(
DiagnosticLocation expected,
Location actual,
string message)
: base(expected, actual)
{
Message = message;
}