protected ExpressionSyntax GetNewExpression(ExpressionSyntax expression, NodeReplacement replacement)
{
var visitor = new MemberAccessExpressionsCSharpSyntaxVisitor();
expression.Accept(visitor);
var members = new LinkedList <MemberAccessExpressionSyntax>(visitor.Members);
var current = members.Last;
while (current != null)
{
if (replacement.IsValidNode(current))
{
// extract custom data into the replacement object
replacement.ExtractValues(current.Value);
var oldNode = replacement.ComputeOld(current);
var newNode = replacement.ComputeNew(current);
return(expression.ReplaceNode(oldNode, newNode));
}
current = current.Previous;
}
throw new System.InvalidOperationException("should not get here");
}
public override bool IsValid(ExpressionSyntax expression)
{
if (!base.IsValid(expression))
{
return(false);
}
var visitor = new MemberAccessExpressionsCSharpSyntaxVisitor();
expression.Accept(visitor);
var containKey = visitor.Members.Find(member => member.Name.Identifier.Text == "ContainKey");
var containValue = visitor.Members.Find(member => member.Name.Identifier.Text == "ContainValue");
return(containKey.Parent is InvocationExpressionSyntax keyInvocation &&
containValue.Parent is InvocationExpressionSyntax valueInvocation
&& keyInvocation.ArgumentList.Arguments is SeparatedSyntaxList <ArgumentSyntax> containKeyArguments &&
valueInvocation.ArgumentList.Arguments is SeparatedSyntaxList <ArgumentSyntax> containValueArguments
&& containKeyArguments.First().Expression is MemberAccessExpressionSyntax keyArgument &&
containValueArguments.First().Expression is MemberAccessExpressionSyntax valueArgument
&& keyArgument.Expression is IdentifierNameSyntax keyIdentifier &&
valueArgument.Expression is IdentifierNameSyntax valueIdentifier
&& keyIdentifier.Identifier.Text == valueIdentifier.Identifier.Text);
}
protected override bool CanRewriteAssertion(ExpressionSyntax expression)
{
var visitor = new MemberAccessExpressionsCSharpSyntaxVisitor();
expression.Accept(visitor);
var beLessOrEqualTo = visitor.Members.Find(member => member.Name.Identifier.Text == "BeLessOrEqualTo");
var beGreaterOrEqualTo = visitor.Members.Find(member => member.Name.Identifier.Text == "BeGreaterOrEqualTo");
return(!(beLessOrEqualTo.Parent is InvocationExpressionSyntax beLessOrEqualToInvocation && beLessOrEqualToInvocation.ArgumentList.Arguments.Count > 1 &&
beGreaterOrEqualTo.Parent is InvocationExpressionSyntax beGreaterOrEqualToInvocation && beGreaterOrEqualToInvocation.ArgumentList.Arguments.Count > 1));
}
protected override bool CanRewriteAssertion(ExpressionSyntax expression)
{
var visitor = new MemberAccessExpressionsCSharpSyntaxVisitor();
expression.Accept(visitor);
var containKey = visitor.Members.Find(member => member.Name.Identifier.Text == "ContainKey");
var containValue = visitor.Members.Find(member => member.Name.Identifier.Text == "ContainValue");
return(!(containKey.Parent is InvocationExpressionSyntax containKeyInvocation && containKeyInvocation.ArgumentList.Arguments.Count > 1 &&
containValue.Parent is InvocationExpressionSyntax containValueInvocation && containValueInvocation.ArgumentList.Arguments.Count > 1));
}
protected override bool CanRewriteAssertion(ExpressionSyntax expression)
{
var visitor = new MemberAccessExpressionsCSharpSyntaxVisitor();
expression.Accept(visitor);
var notBeEmpty = visitor.Members.Find(member => member.Name.Identifier.Text == "NotBeEmpty");
var notBeNull = visitor.Members.Find(member => member.Name.Identifier.Text == "NotBeNull");
return(!(notBeEmpty.Parent is InvocationExpressionSyntax notBeEmptyInvocation && notBeEmptyInvocation.ArgumentList.Arguments.Any() &&
notBeNull.Parent is InvocationExpressionSyntax notBeNullInvocation && notBeNullInvocation.ArgumentList.Arguments.Any()));
}