public void TestNodePositions2()
{
var code = @"
// comment 1
while /* inner comment 1 */ ( /* inner comment 2 */ true) /* inner comment 3 */ {
}
// comment 2
";
var node = ParsingHelper.ParseSourceFile(code);
foreach (var n in NodeWalkerEx.GetDescendantNodes(node))
{
if (n.Type == NodeOrNodesOrNullType.Nodes)
{
Assert.True(n.Nodes.Pos <= n.Nodes.End);
}
if (n.Type == NodeOrNodesOrNullType.Node)
{
Assert.True(n.Node.Pos <= n.Node.End);
}
}
}
public void ComputePositionBackAndForth()
{
string code =
@"namespace X {
enum Foo {value = 42}
}";
var sourceFile = ParsingHelper.ParseSourceFile(code);
var enumMember = NodeWalkerEx.GetDescendantNodes(sourceFile).First(n => n.Node.Kind == SyntaxKind.EnumMember).Node.Cast <IEnumMember>();
var lineInfo = enumMember.GetLineInfo(sourceFile);
NodeExtensions.TryConvertLineOffsetToPosition(sourceFile, lineInfo.Line, lineInfo.Position, out var position);
Assert.Equal(enumMember.GetNodeStartPositionWithoutTrivia(), position);
Assert.Equal(enumMember.Name, GetNodeAtPosition(sourceFile, position));
}
public void ComputePositionBackAndForthWithWeirdCommentsInside()
{
string code =
@"
const x = 42;
/*
* Some comment
*/
namespace X {
// simple comment
enum /*another comment*/ Foo {/*and yet another comment*/value = 42}
}";
var sourceFile = ParsingHelper.ParseSourceFile(code);
var enumMember = NodeWalkerEx.GetDescendantNodes(sourceFile).First(n => n.Node.Kind == SyntaxKind.EnumMember).Node.Cast <IEnumMember>();
var lineInfo = enumMember.GetLineInfo(sourceFile);
NodeExtensions.TryConvertLineOffsetToPosition(sourceFile, lineInfo.Line, lineInfo.Position, out var position);
Assert.Equal(enumMember.GetNodeStartPositionWithoutTrivia(), position);
Assert.Equal(enumMember.Name, GetNodeAtPosition(sourceFile, position));
}
