private void ShouldNotMutate()
{
SyntaxTree tree = CSharpSyntaxTree.ParseText($@"
namespace Test
{{
class Program
{{
static int Method()
{{
int variable = 0;
Method(out var x);
if (x is Type v)
{{
return;
}}
switch (x)
{{
case 1:
return;
break;
continue;
goto X;
throw x;
}}
return 1;
}}
}}
}}");
var statements = tree.GetRoot()
.DescendantNodes()
.OfType <StatementSyntax>();
var target = new StatementMutator();
var result = statements.SelectMany(target.ApplyMutations).ToList();
result.ShouldBeEmpty();
}
private void ShouldMutate(string statementString)
{
var source = $@"class Test {{
void Method() {{
{statementString}
}}
}}";
var tree = CSharpSyntaxTree.ParseText(source).GetRoot();
var statement = tree.DescendantNodes().OfType <StatementSyntax>().Where(s => s is not BlockSyntax).First();
var target = new StatementMutator();
var result = target.ApplyMutations(statement).ToList();
var mutation = result.ShouldHaveSingleItem();
mutation.ReplacementNode.ShouldBeOfType(typeof(EmptyStatementSyntax));
mutation.DisplayName.ShouldBe("Statement mutation");
}
public void ShouldBeMutationlevelStandard()
{
var target = new StatementMutator();
target.MutationLevel.ShouldBe(MutationLevel.Standard);
}
