public void compute_visitor(string expression, double expected)
{
var analyzer = new NodeAnalyzer();
var tree = analyzer.Parse(expression);
var computeVisitor = new ComputeVisitor();
computeVisitor.VisitNode(tree);
computeVisitor.ComputedResult.Should().Be(expected);
}
public void plus_to_minus_mutator(string expression, double expected)
{
var analyzer = new NodeAnalyzer();
var tree = analyzer.Parse(expression);
var mutator = new PlusToMinusMutator();
tree = mutator.MutateNode(tree);
var computeVisitor = new ComputeVisitor();
computeVisitor.VisitNode(tree);
computeVisitor.ComputedResult.Should().Be(expected);
}
public void ComputeExpressionNotImplemented()
{
ComputeExpressionToken token = new ComputeExpressionToken(new EndPathToken("Identifier", null), "Id");
FakeVisitor visitor = new FakeVisitor();
Action visitUnaryOperatorToken = () => visitor.Visit(token);
visitUnaryOperatorToken.ShouldThrow <NotImplementedException>();
Action acceptToken = () => token.Accept <string>(visitor);
acceptToken.ShouldThrow <NotImplementedException>();
ComputeVisitor computer = new ComputeVisitor();
token.Accept <string>(computer).ShouldBeEquivalentTo(typeof(ComputeExpressionToken).ToString());
}
public void ComputeExpressionNotImplemented()
{
ComputeExpressionToken token = new ComputeExpressionToken(new EndPathToken("Identifier", null), "Id");
FakeVisitor visitor = new FakeVisitor();
Action visitUnaryOperatorToken = () => visitor.Visit(token);
Assert.Throws <NotImplementedException>(visitUnaryOperatorToken);
Action acceptToken = () => token.Accept <string>(visitor);
Assert.Throws <NotImplementedException>(acceptToken);
ComputeVisitor computer = new ComputeVisitor();
Assert.Equal(typeof(ComputeExpressionToken).ToString(), token.Accept <string>(computer));
}
public InRangeExpressionComputer()
{
_computeVisitor = new ComputeVisitor(GetVariable);
}
