Rust: Polish off communication across Mojom interfaces

mojo/public/rust/tests/encoding.rs

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 //! Tests encoding and decoding functionality in the bindings package
 //!
 //! Test failure is defined as the function returning via panicking
 //! and the result being caught in the test! macro. If a test function
 //! returns without panicking, it is assumed to pass.
 
@@ skipping 654 matching lines @@
                 assert!(payload.param0.d.is_none());
                 assert!(payload.param0.e.is_none());
                 let union_val = payload.param0.c.as_ref().unwrap();
                 match *union_val {
                     UnionA::b(ref val) => assert_eq!(*val, 54),
                     _ => panic!("Incorrect union variant! Tag found: {}", union_val.get_tag()),
                 }
             }
         }
     }
+    integration_intf_rqst_mthd0_good {
+        MessageHeader => {
+            |header: MessageHeader| {
+                assert_eq!(header.version, 1);
+                assert_eq!(header.name, 0);
+                assert_eq!(header.flags, 1);
+                assert_eq!(header.request_id, 7);
+            }
+        },
+        IntegrationTestInterfaceMethod0Request => {
+            |payload: &IntegrationTestInterfaceMethod0Request| {
+                assert_eq!(payload.param0.a, -1);
+            }
+        }
+    }
+    integration_intf_resp_mthd0_good {
+        MessageHeader => {
+            |header: MessageHeader| {
+                assert_eq!(header.version, 1);
+                assert_eq!(header.name, 0);
+                assert_eq!(header.flags, 2);
+                assert_eq!(header.request_id, 1);
+            }
+        },
+        IntegrationTestInterfaceMethod0Response => {
+            |payload: &IntegrationTestInterfaceMethod0Response| {
+                assert_eq!(payload.param0, vec![0]);
+            }
+        }
+    }
 }