public void AcceptMethodCallsOnlyVisitOnVisitorWithThisAndNoOtherVisitMethods()
{
var lhs = new ConstantExpr(1);
var rhs = new ConstantExpr(2);
var target = new MinusExpr(lhs, rhs);
// throw exception is any other methods called other than the MinusExpr overload.
var visitor = new Mock<IExpressionVisitor<string, int>>(MockBehavior.Strict);
visitor.Setup(x => x.Visit(It.IsAny<MinusExpr>(), It.IsAny<int>())).Returns("");
target.Accept(visitor.Object,0);
}
public void AcceptMethodCallsVisitOnVisitorWithThis()
{
var lhs = new ConstantExpr(1);
var rhs = new ConstantExpr(2);
var target = new MinusExpr(lhs, rhs);
var visitor = new Mock<IExpressionVisitor<string, int>>();
target.Accept(visitor.Object,0);
visitor.Verify(x => x.Visit(target,0), Times.Once);
}
public void AcceptMethodCallsVisitOnVisitorWithThis()
{
var lhs = new ConstantExpr(1);
var rhs = new ConstantExpr(2);
var target = new MinusExpr(lhs, rhs);
var visitor = new Mock <IExpressionVisitor <string, int> >();
target.Accept(visitor.Object, 0);
visitor.Verify(x => x.Visit(target, 0), Times.Once);
}
public void AcceptMethodCallsOnlyVisitOnVisitorWithThisAndNoOtherVisitMethods()
{
var lhs = new ConstantExpr(1);
var rhs = new ConstantExpr(2);
var target = new MinusExpr(lhs, rhs);
// throw exception is any other methods called other than the MinusExpr overload.
var visitor = new Mock <IExpressionVisitor <string, int> >(MockBehavior.Strict);
visitor.Setup(x => x.Visit(It.IsAny <MinusExpr>(), It.IsAny <int>())).Returns("");
target.Accept(visitor.Object, 0);
}