private void VerifySyntaxMap(string oldSource, string newSource)
{
var oldRoot = SyntaxFactory.ParseSyntaxTree(oldSource).GetRoot();
var newRoot = SyntaxFactory.ParseSyntaxTree(newSource).GetRoot();
foreach (var oldNode in oldRoot.DescendantNodes().Where(n => n.FullSpan.Length > 0))
{
var newNode = SyntaxUtilities.FindPartner(oldRoot, newRoot, oldNode);
Assert.True(SyntaxFactory.AreEquivalent(oldNode, newNode), $"Node '{oldNode}' not equivalent to '{newNode}'.");
}
}
private static bool EnumerateExpressionDescendant(SyntaxKind kind)
{
return(SyntaxUtilities.IsLambda(kind) || kind == SyntaxKind.VariableDeclarator || kind == SyntaxKind.AwaitExpression);
}