public void NestedIfs()
{
var a = GraphModel.CreateFunction("A", Vector2.zero);
StackBaseModel b, c;
CreateIfThenElseStacks(a, "b", "c", out b, out c);
var d = GraphModel.CreateStack("d", Vector2.left);
var e = GraphModel.CreateStack("e", Vector2.left);
b.CreateStackedNode <Type0FakeNodeModel>("b");
c.CreateStackedNode <Type0FakeNodeModel>("c");
d.CreateStackedNode <Type0FakeNodeModel>("d");
e.CreateStackedNode <Type0FakeNodeModel>("e");
var cIfNode = c.CreateStackedNode <IfConditionNodeModel>("if_c");
GraphModel.CreateEdge(b.InputPorts[0], cIfNode.ThenPort);
GraphModel.CreateEdge(d.InputPorts[0], cIfNode.ElsePort);
GraphModel.CreateEdge(e.InputPorts[0], b.OutputPorts[0]);
GraphModel.CreateEdge(e.InputPorts[0], d.OutputPorts[0]);
// as C has an if node, a common descendant of (C,X) must be a descendant of (B,D,X), here E
Assert.That(RoslynTranslator.FindCommonDescendant(a, a, c), Is.EqualTo(e));
Assert.That(RoslynTranslator.FindCommonDescendant(a, b, c), Is.EqualTo(e));
}
public void UnjoinedIfHasNoCommonDescendant()
{
var a = GraphModel.CreateFunction("A", Vector2.zero);
StackBaseModel b, c;
CreateIfThenElseStacks(a, "b", "c", out b, out c);
Assert.That(RoslynTranslator.FindCommonDescendant(a, b, c), Is.Null);
}
public void SimpleIf()
{
var a = GraphModel.CreateFunction("A", Vector2.zero);
StackBaseModel b, c, d;
CreateIfThenElseStacks(a, "b", "c", out b, out c);
JoinStacks(b, c, "d", out d);
Assert.That(RoslynTranslator.FindCommonDescendant(a, b, c), Is.EqualTo(d));
}
public void IfNoThen()
{
var a = GraphModel.CreateFunction("A", Vector2.zero);
StackBaseModel b, c;
CreateIfThenElseStacks(a, "b", "c", out b, out c);
GraphModel.CreateEdge(b.InputPorts[0], c.OutputPorts[0]);
Assert.That(RoslynTranslator.FindCommonDescendant(a, b, c), Is.EqualTo(b));
}
public void ThreeWayIf()
{
var a = GraphModel.CreateFunction("A", Vector2.zero);
StackBaseModel b, c, d, e, f;
CreateIfThenElseStacks(a, "b", "c", out b, out c);
CreateIfThenElseStacks(c, "d", "e", out d, out e);
JoinStacks(d, e, "f", out f);
GraphModel.CreateEdge(f.InputPorts[0], b.OutputPorts[0]);
Assert.That(RoslynTranslator.FindCommonDescendant(a, d, e), Is.EqualTo(f));
Assert.That(RoslynTranslator.FindCommonDescendant(a, b, c), Is.EqualTo(f));
}
public void TwoLevelIfs()
{
var a = GraphModel.CreateFunction("A", Vector2.zero);
StackBaseModel b, c, d, e, f, g, h, i, j;
CreateIfThenElseStacks(a, "b", "c", out b, out c);
CreateIfThenElseStacks(b, "d", "e", out d, out e);
CreateIfThenElseStacks(c, "f", "g", out f, out g);
JoinStacks(d, e, "h", out h);
JoinStacks(f, g, "i", out i);
JoinStacks(h, i, "h", out j);
Assert.That(RoslynTranslator.FindCommonDescendant(a, b, c), Is.EqualTo(j));
Assert.That(RoslynTranslator.FindCommonDescendant(a, d, e), Is.EqualTo(h));
Assert.That(RoslynTranslator.FindCommonDescendant(a, f, g), Is.EqualTo(i));
Assert.That(RoslynTranslator.FindCommonDescendant(a, d, f), Is.EqualTo(j));
}
public void IfNoThenElseIfNoThen()
{
var a = GraphModel.CreateFunction("A", Vector2.zero);
StackBaseModel b, c;
CreateIfThenElseStacks(a, "b", "c", out b, out c);
b.CreateStackedNode <Type0FakeNodeModel>("b");
c.CreateStackedNode <Type0FakeNodeModel>("c");
var cIfNode = c.CreateStackedNode <IfConditionNodeModel>("if_c");
GraphModel.CreateEdge(b.InputPorts[0], cIfNode.ThenPort);
// as C has an if node with a disconnect else branch, B cannot be a descendant of both branches
// so common(b,c) should return null
Assert.That(RoslynTranslator.FindCommonDescendant(a, b, c), Is.Null);
}
public void FourWayJoin()
{
var a = GraphModel.CreateFunction("A", Vector2.zero);
StackBaseModel b, c, d, e, f, g, h;
CreateIfThenElseStacks(a, "b", "c", out b, out c);
CreateIfThenElseStacks(b, "d", "e", out d, out e);
CreateIfThenElseStacks(c, "f", "g", out f, out g);
JoinStacks(d, e, "h", out h);
GraphModel.CreateEdge(h.InputPorts[0], f.OutputPorts[0]);
GraphModel.CreateEdge(h.InputPorts[0], g.OutputPorts[0]);
Assert.That(RoslynTranslator.FindCommonDescendant(a, b, c), Is.EqualTo(h));
Assert.That(RoslynTranslator.FindCommonDescendant(a, d, e), Is.EqualTo(h));
Assert.That(RoslynTranslator.FindCommonDescendant(a, f, g), Is.EqualTo(h));
Assert.That(RoslynTranslator.FindCommonDescendant(a, d, f), Is.EqualTo(h));
}
