%description:
Test that parentgate++: leave unconnected gates.

%file: test.ned

module Part
{
    gates:
        input in[];
        output out[];
    connections allowunconnected:
}

module Node
{
    gates:
        input in[];
        output out[];
    submodules:
        part: Part;
    connections:
        // connect to parent module gates, but not all
        for i=0..3 {
            part.out++ --> out++;
            part.in++ <-- in++;
        }
}

network Test
{
    submodules:
        node1: Node {
            gates:
                in[5];
                out[5];
        }
        node2: Node;
        node3: Node {
            gates:
                in[5];
                out[5];
        }
    connections allowunconnected:
        // node1: connect all gates
        for i=0..4 {
            node1.out[i] --> node1.in[i];
        }

        // node2: same as node1, only we use "++" to create the gates
        for i=0..4 {
            node2.out++ --> node2.in++;
        }

        // node3: ditto, but we leave some gates unconnected
        node3.out[2] --> node3.in[2];
}

%file: test.cc
// prevent "no object files" linker error if test is run alone

%exitcode: 1

%contains: stderr
is not connected