async Task CheckRename(string input)
{
var sb = StringBuilderCache.Allocate();
try {
bool inLink = false;
int linkStart = 0;
var expectedLinks = new List <TextSegment> ();
foreach (var ch in input)
{
if (ch == '$')
{
if (inLink)
{
expectedLinks.Add(new TextSegment(linkStart, sb.Length - linkStart));
}
else
{
linkStart = sb.Length;
}
inLink = !inLink;
continue;
}
sb.Append(ch);
}
using (var testCase = await SetupTestCase(sb.ToString())) {
var model = await testCase.Document.DocumentContext.AnalysisDocument.GetSemanticModelAsync();
ISymbol symbol = null;
var root = await model.SyntaxTree.GetRootAsync();
foreach (var l in expectedLinks)
{
var node = root.FindToken(l.Offset).Parent;
if (node == null)
{
continue;
}
var symbolInfo = model.GetSymbolInfo(node);
if (symbolInfo.Symbol == null)
{
continue;
}
symbol = symbolInfo.Symbol;
break;
}
Assert.NotNull(symbol, "No symbol found.");
var links = await RenameRefactoring.GetTextLinksAsync(testCase.Document, 0, symbol);
Assert.AreEqual(expectedLinks.Count, links [0].Links.Count);
foreach (var l in links[0].Links)
{
var expected = expectedLinks.FirstOrDefault(el => l.Offset == el.Offset);
Assert.NotNull(expected, "No expected link found at : " + l.Offset);
Assert.AreEqual(expected.Length, l.Length);
}
}
} finally {
StringBuilderCache.Free(sb);
}
}