public void ShouldNotMutate(SyntaxKind orginal)
{
var target = new PrefixUnaryMutator();
var originalNode = SyntaxFactory.PrefixUnaryExpression(orginal, SyntaxFactory.IdentifierName("a"));
var result = target.ApplyMutations(originalNode).ToList();
result.ShouldBeEmpty();
}
public void ShouldMutateAnRemove(SyntaxKind original)
{
var target = new PrefixUnaryMutator();
var originalNode = SyntaxFactory.PrefixUnaryExpression(original,
SyntaxFactory.LiteralExpression(SyntaxKind.NumericLiteralExpression, SyntaxFactory.Literal(1)));
var result = target.ApplyMutations(originalNode).ToList();
result.ShouldHaveSingleItem();
result.First().ReplacementNode.IsKind(SyntaxKind.NumericLiteralExpression).ShouldBeTrue();
}
public void ShouldMutateUpdateTypes(SyntaxKind original, SyntaxKind expected)
{
var target = new PrefixUnaryMutator();
var originalNode = SyntaxFactory.PrefixUnaryExpression(original,
SyntaxFactory.LiteralExpression(SyntaxKind.NumericLiteralExpression, SyntaxFactory.Literal(1)));
var result = target.ApplyMutations(originalNode).ToList();
result.ShouldHaveSingleItem();
var mutation = result.First();
mutation.ReplacementNode.IsKind(expected).ShouldBeTrue();
mutation.Type.ShouldBe(MutatorType.Update);
}
public void ShouldMutateAnRemove(SyntaxKind original)
{
var target = new PrefixUnaryMutator();
var originalNode = SyntaxFactory.PrefixUnaryExpression(original,
SyntaxFactory.LiteralExpression(SyntaxKind.NumericLiteralExpression, SyntaxFactory.Literal(1)));
var result = target.ApplyMutations(originalNode).ToList();
result.ShouldHaveSingleItem();
var mutation = result.First();
mutation.ReplacementNode.IsKind(SyntaxKind.NumericLiteralExpression).ShouldBeTrue();
if (original == SyntaxKind.BitwiseNotExpression)
{
mutation.Type.ShouldBe(MutatorType.Unary);
}
else
{
mutation.Type.ShouldBe(MutatorType.Boolean);
}
}
public void ShouldBeMutationLevelStandard()
{
var target = new PrefixUnaryMutator();
target.MutationLevel.ShouldBe(MutationLevel.Standard);
}
