public void ShouldNotMutateStatementWithArguments(string method)
{
var target = new NegateConditionMutator();
var node = GenerateExpressions(method);
var result = target.ApplyMutations(node).ToList();
result.Count.ShouldBe(0);
}
public void MutatesStatementWithMethodCallWithNoArguments(string method)
{
var target = new NegateConditionMutator();
var node = GenerateExpressions(method);
var result = target.ApplyMutations(node).ToList();
result.Count.ShouldBe(1);
result.First().ReplacementNode.ToString().ShouldBe("!(Method())");
}
[InlineData("var y = x is object result ? result.ToString() : null;")] // can't mutate inline var declaration
public void ShouldNotMutateThis(string method)
{
var target = new NegateConditionMutator();
SyntaxTree tree = CSharpSyntaxTree.ParseText(method);
var expressionSyntax = tree.GetRoot().DescendantNodes().OfType <ConditionalExpressionSyntax>().Single();
var result = target.ApplyMutations(expressionSyntax.Condition).ToList();
result.ShouldBeEmpty();
}
public void MutatesStatementWithMethodCallWithNoArguments(string method)
{
var target = new NegateConditionMutator();
var node = GenerateExpressions(method);
var result = target.ApplyMutations(node).ToList();
var mutation = result.ShouldHaveSingleItem();
mutation.ReplacementNode.ToString().ShouldBe("!(Method())");
mutation.DisplayName.ShouldBe("Negate expression");
}
public void ShouldBeMutationlevelStandard()
{
var target = new NegateConditionMutator();
target.MutationLevel.ShouldBe(MutationLevel.Standard);
}
