public void ShouldIdentifyPositionsAtClassScope()
{
CodeNavigator navigator = new CodeNavigator(snapshot);
Assert.IsFalse(navigator.IsInClassScope(snapshot.GetLineFromLineNumber(1).End - 1));
Assert.IsFalse(navigator.IsInClassScope(snapshot.GetLineFromLineNumber(2).End - 1));
Assert.IsFalse(navigator.IsInClassScope(snapshot.GetLineFromLineNumber(3).End - 1));
Assert.IsFalse(navigator.IsInClassScope(snapshot.GetLineFromLineNumber(4).Start ));
Assert.IsTrue(navigator.IsInClassScope(snapshot.GetLineFromLineNumber(4).End - 1));
Assert.IsTrue(navigator.IsInClassScope(snapshot.GetLineFromLineNumber(5).End - 1));
Assert.IsTrue(navigator.IsInClassScope(snapshot.GetLineFromLineNumber(6).End - 1));
Assert.IsFalse(navigator.IsInClassScope(snapshot.GetLineFromLineNumber(7).End - 1));
Assert.IsFalse(navigator.IsInClassScope(snapshot.GetLineFromLineNumber(8).End - 1));
Assert.IsFalse(navigator.IsInClassScope(snapshot.GetLineFromLineNumber(9).End - 1));
Assert.IsFalse(navigator.IsInClassScope(snapshot.GetLineFromLineNumber(10).End - 1));
Assert.IsFalse(navigator.IsInClassScope(snapshot.GetLineFromLineNumber(11).End - 1));
Assert.IsTrue(navigator.IsInClassScope(snapshot.GetLineFromLineNumber(12).End - 1));
Assert.IsTrue(navigator.IsInClassScope(snapshot.GetLineFromLineNumber(13).Start));
Assert.IsFalse(navigator.IsInClassScope(snapshot.GetLineFromLineNumber(13).End - 1));
Assert.IsFalse(navigator.IsInClassScope(snapshot.GetLineFromLineNumber(14).End - 1));
Assert.IsFalse(navigator.IsInClassScope(snapshot.GetLineFromLineNumber(15).Start));
Assert.IsTrue(navigator.IsInClassScope(snapshot.GetLineFromLineNumber(15).End - 1));
Assert.IsTrue(navigator.IsInClassScope(snapshot.GetLineFromLineNumber(16).End - 1));
Assert.IsTrue(navigator.IsInClassScope(snapshot.GetLineFromLineNumber(17).End - 1));
}
private int FindLineAfterWhichToInsertFieldDeclaration(ITextSnapshot snapshot, int p)
{
CodeNavigator navigator = new CodeNavigator(snapshot);
foreach (int significantPoint in navigator.UpFrom(p))
{
if (navigator.IsInClassScope(significantPoint))
{
return(snapshot.GetLineNumberFromPosition(significantPoint));
}
}
return(-1);
}
private int FindLineBeforeWhichToInsertMethodStatement(ITextSnapshot snapshot, int p)
{
CodeNavigator navigator = new CodeNavigator(snapshot);
int lastLineOfMethod = -1;
foreach (int significantPoint in navigator.DownFrom(p))
{
lastLineOfMethod = significantPoint;
}
if (lastLineOfMethod > 0)
{
return(snapshot.GetLineNumberFromPosition(lastLineOfMethod));
}
return(-1);
}
private int FindLineAfterWhichToInsertDeclaration(ITextSnapshot snapshot, int p)
{
CodeNavigator navigator = new CodeNavigator(snapshot);
IEnumerator <int> point = navigator.UpFrom(p).GetEnumerator();
int originalLine = snapshot.GetLineNumberFromPosition(p);
int lineNumber = -1;
bool notEOF;
do
{
notEOF = point.MoveNext();
lineNumber = snapshot.GetLineNumberFromPosition(point.Current);
}while(lineNumber == originalLine && notEOF);
if (lineNumber == originalLine)
{
lineNumber = -1;
}
return(lineNumber);
}
private int FindLineBeforeWhichToInsertMethodStatement(ITextSnapshot snapshot, int p)
{
CodeNavigator navigator = new CodeNavigator(snapshot);
int lastLineOfMethod = -1;
foreach (int significantPoint in navigator.DownFrom(p))
{
lastLineOfMethod = significantPoint;
}
if (lastLineOfMethod > 0) return snapshot.GetLineNumberFromPosition(lastLineOfMethod);
return -1;
}
private int FindLineAfterWhichToInsertFieldDeclaration(ITextSnapshot snapshot, int p)
{
CodeNavigator navigator = new CodeNavigator(snapshot);
foreach (int significantPoint in navigator.UpFrom(p))
{
if (navigator.IsInClassScope(significantPoint)) return snapshot.GetLineNumberFromPosition(significantPoint);
}
return -1;
}
private int FindLineAfterWhichToInsertDeclaration(ITextSnapshot snapshot, int p)
{
CodeNavigator navigator = new CodeNavigator(snapshot);
IEnumerator<int> point = navigator.UpFrom(p).GetEnumerator();
int originalLine = snapshot.GetLineNumberFromPosition(p);
int lineNumber = -1;
bool notEOF;
do
{
notEOF = point.MoveNext();
lineNumber = snapshot.GetLineNumberFromPosition(point.Current);
}
while( lineNumber == originalLine && notEOF) ;
if (lineNumber == originalLine) lineNumber = -1;
return lineNumber;
}
public void ShouldNavigateDownThroughCodeIgnoringCommentsAndStrings()
{
int p = snapshot.GetLineFromLineNumber(17).End - 1;
CodeNavigator navigator = new CodeNavigator(snapshot);
List<int> positions = new List<int>();
foreach (int c in navigator.DownFrom(p))
{
positions.Add(c);
}
Assert.AreEqual(2, positions.Count);
VerifyCharAndLineAtPosition(positions[0], '}', 23);
VerifyCharAndLineAtPosition(positions[1], '}', 24);
}
public void ShouldNavigateUpThroughCodeIgnoringCommentsAndStrings()
{
int p = snapshot.GetLineFromLineNumber(10).End - 1;
CodeNavigator navigator = new CodeNavigator(snapshot);
Stack<int> positions = new Stack<int>();
foreach (int c in navigator.UpFrom(p))
{
positions.Push(c);
}
Assert.AreEqual(0, positions.Pop());
VerifyCharAndLineAtPosition(positions.Pop(), '{', 2);
VerifyCharAndLineAtPosition(positions.Pop(), '{', 4);
VerifyCharAndLineAtPosition(positions.Pop(), ';', 5);
VerifyCharAndLineAtPosition(positions.Pop(), '{', 7);
VerifyCharAndLineAtPosition(positions.Pop(), ';', 9);
VerifyCharAndLineAtPosition(positions.Pop(), ';', 10);
}
public void ShouldNavigateUpThroughCodeIgnoringCodeAtDeeperScope()
{
int p = snapshot.GetLineFromLineNumber(21).End - 1;
CodeNavigator navigator = new CodeNavigator(snapshot);
Stack<int> positions = new Stack<int>();
foreach (int c in navigator.UpFrom(p))
{
positions.Push(c);
}
Assert.AreEqual(0, positions.Pop());
VerifyCharAndLineAtPosition(positions.Pop(), '{', 2);
VerifyCharAndLineAtPosition(positions.Pop(), '{', 15);
VerifyCharAndLineAtPosition(positions.Pop(), ';', 16);
VerifyCharAndLineAtPosition(positions.Pop(), '{', 18);
VerifyCharAndLineAtPosition(positions.Pop(), '{', 19);
VerifyCharAndLineAtPosition(positions.Pop(), '{', 20);
VerifyCharAndLineAtPosition(positions.Pop(), ';', 21);
}
public void ShouldNavigateUpOneLevel()
{
int p = snapshot.GetLineFromLineNumber(3).End - 1;
CodeNavigator navigator = new CodeNavigator(snapshot);
Stack<int> positions = new Stack<int>();
foreach (int c in navigator.UpFrom(p))
{
positions.Push(c);
}
Assert.AreEqual(2, positions.Count);
Assert.AreEqual(0, positions.Pop());
VerifyCharAndLineAtPosition(positions.Pop(), '{', 2);
}
public void ShouldNavigateDownThroughCodeIncludingStatementsInSameScope()
{
int p = snapshot.GetLineFromLineNumber(6).End - 1;
CodeNavigator navigator = new CodeNavigator(snapshot);
List<int> positions = new List<int>();
foreach (int c in navigator.DownFrom(p))
{
positions.Add(c);
}
Assert.AreEqual(5, positions.Count);
VerifyCharAndLineAtPosition(positions[0], ';', 9);
VerifyCharAndLineAtPosition(positions[1], ';', 10);
VerifyCharAndLineAtPosition(positions[2], ';', 11);
VerifyCharAndLineAtPosition(positions[3], ';', 11);
VerifyCharAndLineAtPosition(positions[4], '}', 12);
}
