add test

Author: CarGuo

lib/test/DemoMixins.dart

@@ -5,91 +5,73 @@
 
 abstract class Base {
   a() {
-
+    print("base a()");
   }
-  b() {
 
+  b() {
+    print("base b()");
   }
-}
 
-class S extends Base {
-  a() {
-    print("S.a");
-    super.a();
+  c() {
+    print("base c()");
   }
 }
 
 class A extends Base {
   a() {
-    print("A.a");
-    super.a();
+    print("A.a()");
+    //super.a();
   }
 
   b() {
-    print("A.b");
-    super.b();
-  }
-}
-
-class A1 extends Base {
-  a() {
-    print("A1.a");
-    super.a();
-  }
-
-  b() {
-    print("A1.b");
+    print("A.b()");
     super.b();
   }
 }
 
 class A2 extends Base {
   a() {
-    print("A2.a");
+    print("A2.a()");
     super.a();
   }
-
-  b() {
-    print("A2.b");
-    super.b();
-  }
 }
 
 class B extends Base {
   a() {
-    print("B.a");
+    print("B.a()");
     super.a();
   }
 
   b() {
-    print("B.b");
+    print("B.b()");
     super.b();
   }
 
   c() {
-    print("B.c ");
+    print("B.c()");
+    super.c();
   }
 }
 
-class T = B with A1, A2, A, S;
+class G extends B with A, A2 {
+
+}
 
 
 testMixins() {
-  T t = new T();
+  G t = new G();
   t.a();
   t.b();
   t.c();
 }
 
-/**
- *  I/flutter ( 1864): S.a
-    I/flutter ( 1864): A.a
-    I/flutter ( 1864): A2.a
-    I/flutter ( 1864): A1.a
-    I/flutter ( 1864): B.a
-    I/flutter ( 1864): A.b
-    I/flutter ( 1864): A2.b
-    I/flutter ( 1864): A1.b
-    I/flutter ( 1864): B.b
-    I/flutter ( 1864): B.c
- * */
+
+///I/flutter (13627): A2.a()
+///I/flutter (13627): A.a()
+///I/flutter (13627): B.a()
+///I/flutter (13627): base a()
+///I/flutter (13627): A.b()
+///I/flutter (13627): B.b()
+///I/flutter (13627): base b()
+///I/flutter (13627): B.c()
+///I/flutter (13627): base c()