Fix issue 12654

editor/tools/plugins/com.google.dart.engine_test/src/com/google/dart/engine/resolver/NonErrorResolverTest.java

Index: editor/tools/plugins/com.google.dart.engine_test/src/com/google/dart/engine/resolver/NonErrorResolverTest.java
diff --git a/editor/tools/plugins/com.google.dart.engine_test/src/com/google/dart/engine/resolver/NonErrorResolverTest.java b/editor/tools/plugins/com.google.dart.engine_test/src/com/google/dart/engine/resolver/NonErrorResolverTest.java
index a10f48bbb40a6af8f7917bd8b17ec10a5591e879..02f5a8ad092361bda316e2ddb030bb0c78f6e19d 100644
--- a/editor/tools/plugins/com.google.dart.engine_test/src/com/google/dart/engine/resolver/NonErrorResolverTest.java
+++ b/editor/tools/plugins/com.google.dart.engine_test/src/com/google/dart/engine/resolver/NonErrorResolverTest.java
@@ -956,6 +956,23 @@ public class NonErrorResolverTest extends ResolverTestCase {
     verify(source);
   }
 
+  public void test_functionWithoutCall() throws Exception {
+    Source source = addSource(createSource(//
+        "abstract class A implements Function {", // abstract class
+        "}",
+        "class B implements A {", // implements directly
+        "  void call() {}",
+        "}",
+        "class C extends A {", // implements directly
+        "  void call() {}",
+        "}",
+        "class D extends C {", // implements indirectly
+        "}"));
+    resolve(source);
+    assertNoErrors(source);
+    verify(source);
+  }
+
   public void test_implicitThisReferenceInInitializer_constructorName() throws Exception {
     Source source = addSource(createSource(//
         "class A {",