Added start of inveterter with Enabled tests

Author: ashblue

Assets/FluidBehaviorTree/Editor/Testing/Decorators.meta

@@ -0,0 +1,39 @@
+using Adnc.FluidBT.Decorators;
+using NSubstitute;
+using NUnit.Framework;
+
+namespace Adnc.FluidBT.Testing {
+    public class InverterTest {
+        public class EnabledProperty {
+            [Test]
+            public void Returns_true_if_child_is_set () {
+                var inverter = new Inverter { child = A.TaskStub().Build() };
+
+                Assert.IsTrue(inverter.Enabled);
+            }
+
+            [Test]
+            public void Returns_false_if_child_is_not_set () {
+                var inverter = new Inverter();
+
+                Assert.IsFalse(inverter.Enabled);
+            }
+
+            [Test]
+            public void Returns_false_if_child_is_disabled () {
+                var inverter = new Inverter { child = A.TaskStub().Build() };
+                inverter.child.Enabled.Returns(false);
+
+                Assert.IsTrue(inverter.Enabled);
+            }
+
+            [Test]
+            public void Returns_false_if_child_is_set_but_set_to_false () {
+                var inverter = new Inverter { child = A.TaskStub().Build() };
+                inverter.Enabled = false;
+
+                Assert.IsFalse(inverter.Enabled);
+            }
+        }
+    }
+}

Assets/FluidBehaviorTree/Editor/Testing/Decorators/InverterTest.cs

@@ -0,0 +1,35 @@
+using Adnc.FluidBT.Tasks;
+
+namespace Adnc.FluidBT.Decorators {
+    public class Inverter : ITask {
+        private bool _enabled = true;
+        public bool Enabled {
+            get { return child != null && _enabled; }
+            set { _enabled = value; }
+        }
+
+        public bool IsLowerPriority { get; } = false;
+        public TaskStatus LastStatus { get; }
+        public ITask child;
+
+        public TaskStatus Update () {
+            throw new System.NotImplementedException();
+        }
+
+        public ITask GetAbortCondition () {
+            throw new System.NotImplementedException();
+        }
+
+        public void End () {
+            throw new System.NotImplementedException();
+        }
+
+        public void Reset (bool hardReset = false) {
+            throw new System.NotImplementedException();
+        }
+
+        public TaskStatus GetAbortStatus () {
+            throw new System.NotImplementedException();
+        }
+    }
+}

Assets/FluidBehaviorTree/Editor/Testing/Decorators/InverterTest.cs.meta

@@ -9,7 +9,12 @@ public interface ITask {
         /// Check if this node is a valid lower priority abort
         /// </summary>
         bool IsLowerPriority { get; }
-        
+
+        /// <summary>
+        /// Last status returned by Update
+        /// </summary>
+        TaskStatus LastStatus { get; }
+
         /// <summary>
         /// Triggered every tick
         /// </summary>
@@ -41,7 +46,5 @@ public interface ITask {
         /// </summary>
         /// <returns></returns>
         TaskStatus GetAbortStatus ();
-
-        TaskStatus LastStatus { get; }
     }
 }