chain binding, first result, WIP

test/ChainBindTest.hx

@@ -20,14 +20,36 @@ class ChainBindTest extends BuddySuite {
             before({
                 b = new BindableChain();
                 b.c = new BindableChain();
+                b.c.c = new BindableChain();
                 callNum = 0;
             });
             
-            it("BindExt.chain should bind chain changes", {
+            it("BindExt.chain should bind chain changes (1 gap)", {
                 b.c.f("tada").d = "a";
-                BindExt.chain(b.c.f("tada").d, function (_, _) callNum++);
+                var unbind = BindExt.chain(b.c.f("tada").d, function (_, t:String) {
+                    callNum++;
+                    t.should.be(b.c.f("tada").d);
+                });
+                
+                callNum.should.be(1);
                 
                 b.c.f("tada").d = "b";
+                callNum.should.be(2);
+                
+                unbind();
+                b.c.f("tada").d = "c";
+                callNum.should.be(2);
+            });
+            
+            it("BindExt.chain should bind chain changes (double gap)", {
+                b.c.c.d = "a";
+                
+                BindExt.chain(b.c.c.d, function (_, _) callNum++);
+                
+                callNum.should.be(1);
+                
+                BindExt.chain(b.c.c.c.d, function (_, _) callNum++ );
+                
                 callNum.should.be(1);
             });
             
@@ -43,6 +65,7 @@ class BindableChain implements bindx.IBindable {
     
     public var nd:String;
     
+    
     public var c:BindableChain;
     
     @:bindable

test/Tests.hx

@@ -15,7 +15,7 @@ class Tests extends BuddySuite {
             new MetaTest(),
             new SignalTest(),
             new TestProperty(),
-            // new ChainBindTest(),
+            new ChainBindTest(),
         ], reporter);
 
         runner.run();