public void BufferSync_Issue3570()
{
// https://github.com/Microsoft/PTVS/issues/3570
var buffer = new MockTextBuffer("line");
var bi = PythonTextBufferInfo.ForBuffer(null, buffer);
bi.AddSentSnapshot(buffer.CurrentSnapshot);
Assert.AreEqual(new SourceLocation(1, 5), bi.LocationTracker.GetSourceLocation(4, 0));
using (var e = buffer.CreateEdit()) {
e.Insert(e.Snapshot.Length, "\r\n");
e.Apply();
}
using (var e = buffer.CreateEdit()) {
e.Insert(e.Snapshot.Length, " c");
e.Apply();
}
using (var e = buffer.CreateEdit()) {
e.Insert(e.Snapshot.Length, "o");
e.Apply();
}
var updates = BufferParser.GetUpdatesForSnapshot(bi, buffer.CurrentSnapshot).ToArray();
var changeInfo = string.Join(", ", updates
.Select(u => string.Join(", ", u.changes.Select(c => $"({c.startLine},{c.startColumn},'{c.newText}')")))
.Select(u => $"[{u}]"));
Assert.AreEqual("[(1,5,'\r\n')], [(2,1,' c')], [(2,6,'o')]", changeInfo);
}
public void BufferSync_Issue3733()
{
// https://github.com/Microsoft/PTVS/issues/3733
var bigString = string.Join("\n", Enumerable.Repeat("content", 1000));
var buffer = new MockTextBuffer("");
var bi = PythonTextBufferInfo.ForBuffer(null, buffer);
bi.AddSentSnapshot(buffer.CurrentSnapshot);
bi.LocationTracker.UpdateBaseSnapshot(buffer.CurrentSnapshot);
AssertLines(bi, 0);
using (var e = buffer.CreateEdit())
{
e.Insert(e.Snapshot.Length, bigString);
e.Apply();
}
bi.LocationTracker.UpdateBaseSnapshot(buffer.CurrentSnapshot);
int beforeVersion = bi.Buffer.CurrentSnapshot.Version.VersionNumber;
using (var e = buffer.CreateEdit())
{
e.Replace(0, e.Snapshot.Length, "z");
e.Apply();
}
bi.LocationTracker.UpdateBaseSnapshot(buffer.CurrentSnapshot);
using (var e = buffer.CreateEdit())
{
e.Insert(e.Snapshot.Length, bigString);
e.Apply();
}
bi.LocationTracker.UpdateBaseSnapshot(buffer.CurrentSnapshot);
var before = bi.LocationTracker.GetLineLocations(beforeVersion);
var after = bi.LocationTracker.GetLineLocations(bi.Buffer.CurrentSnapshot.Version.VersionNumber);
foreach (var t in before.Zip(after, Tuple.Create))
{
Assert.AreEqual(t.Item1.EndIndex, t.Item2.EndIndex - 1);
}
}
public void UpdateSnapshot()
{
var buffer = new MockTextBuffer("");
var behavior = new LineBehavior();
var da = MakeAnalyzer(buffer.CurrentSnapshot, behavior, 4, 4, 5);
da.ResetAndWait();
da.AssertLinesIncludeExactly();
var prevSnapshot = da.Snapshot;
{
var edit = buffer.CreateEdit();
edit.Insert(0, @"0
1
2
3
4");
edit.Apply();
}
da.UpdateAndWait(null);
Assert.AreNotSame(prevSnapshot, da.Snapshot);
Assert.AreNotEqual(prevSnapshot.Version.VersionNumber, da.Snapshot.Version.VersionNumber);
da.AssertLinesIncludeExactly(
new LineSpan(1, 3, 0, LineSpanType.Normal),
new LineSpan(2, 2, 4, LineSpanType.Normal)
);
prevSnapshot = da.Snapshot;
{
var edit = buffer.CreateEdit();
edit.Delete(prevSnapshot.GetLineFromLineNumber(2).ExtentIncludingLineBreak.Span);
edit.Apply();
}
da.UpdateAndWait(null);
Assert.AreNotSame(prevSnapshot, da.Snapshot);
Assert.AreNotEqual(prevSnapshot.Version.VersionNumber, da.Snapshot.Version.VersionNumber);
da.AssertLinesIncludeExactly(
new LineSpan(1, 2, 0, LineSpanType.Normal)
);
}