public void SelectFindsBranchesWithoutParameterReferences()
{
Expression <Func <int, DateTime> > expression = a => DateTime.Now.Subtract(TimeSpan.FromSeconds(a));
var selectedBranches = BranchSelectExpressionVisitor.Select(expression, e => e.NodeType != ExpressionType.Parameter);
Assert.Single(selectedBranches, s => s.NodeType == ExpressionType.MemberAccess);
Assert.Equal(1, selectedBranches.Count);
}
public void SelectFindsSimpleNodeTypes()
{
Expression <Func <bool> > expression = () => new DateTime(2002, 01, 02) < DateTime.Now;
var selectedBranches = BranchSelectExpressionVisitor.Select(expression, e => e.NodeType == ExpressionType.MemberAccess);
Assert.Single(selectedBranches, s => s.NodeType == ExpressionType.MemberAccess);
Assert.Equal(1, selectedBranches.Count);
}
public void SelectIncludesConstructorWithNoMemberInitBindings()
{
Expression <Func <int, Robot> > expression = i => new Robot();
var selectedBranches = BranchSelectExpressionVisitor.Select(expression, e => e.NodeType != ExpressionType.Parameter);
Assert.Single(selectedBranches, s => s.NodeType == ExpressionType.New);
Assert.Equal(1, selectedBranches.Count);
}
public void SelectDoesNotIncludeMemberInitBranchesWhenTheyHaveNoIncludedBindings()
{
Expression <Func <int, Robot> > expression = i => new Robot {
Id = i
};
var selectedBranches = BranchSelectExpressionVisitor.Select(expression, e => e.NodeType != ExpressionType.Parameter);
Assert.Empty(selectedBranches);
}
public void SelectIncludeMemberInitBranchesWithAllBindings()
{
Expression <Func <int, Robot> > expression = i => new Robot {
Id = 10, Name = "Hudzen-10"
};
var selectedBranches = BranchSelectExpressionVisitor.Select(expression, e => e.NodeType != ExpressionType.Parameter);
Assert.Single(selectedBranches, s => s.NodeType == ExpressionType.MemberInit);
Assert.Equal(3, selectedBranches.Count);
}
public void SelectDoesNotIncludeMemberInitBranchesWhenTheyPartiallyIncludedBindings()
{
Expression <Func <int, Robot> > expression = i => new Robot {
Id = i, Name = "Hudzen-10"
};
var selectedBranches = BranchSelectExpressionVisitor.Select(expression, e => e.NodeType != ExpressionType.Parameter);
Assert.Single(selectedBranches, s => s.NodeType == ExpressionType.Constant);
Assert.Equal(1, selectedBranches.Count);
}
