From cc2d376a93b67bd475adc3f7987f08ee0eb1951f Mon Sep 17 00:00:00 2001
From: Philippe Laflamme <484152+plaflamme@users.noreply.github.com>
Date: Tue, 12 May 2020 20:44:09 -0400
Subject: [PATCH] interop-testing: adds assertions to empty_stream test case
 (#7030)

If the server fails (e.g.: with an unimplemented status), the test still succeeds.
This change adds assertions to check the status code as well as the expected number of responses.
---
 .../java/io/grpc/testing/integration/AbstractInteropTest.java   | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/interop-testing/src/main/java/io/grpc/testing/integration/AbstractInteropTest.java b/interop-testing/src/main/java/io/grpc/testing/integration/AbstractInteropTest.java
index 60a72b5f8d..b0d656f7de 100644
--- a/interop-testing/src/main/java/io/grpc/testing/integration/AbstractInteropTest.java
+++ b/interop-testing/src/main/java/io/grpc/testing/integration/AbstractInteropTest.java
@@ -790,6 +790,8 @@ public abstract class AbstractInteropTest {
         = asyncStub.fullDuplexCall(responseObserver);
     requestObserver.onCompleted();
     responseObserver.awaitCompletion(operationTimeoutMillis(), TimeUnit.MILLISECONDS);
+    assertSuccess(responseObserver);
+    assertTrue("Expected an empty stream", responseObserver.getValues().isEmpty());
   }
 
   @Test