Adds method ordinal off-by-one error detection testing to ValidationTest.

mojo/public/cpp/bindings/tests/validation_unittest.cc

 // Copyright 2014 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.
 
 #include <stdio.h>
 
 #include <algorithm>
 #include <string>
 #include <vector>
 
@@ skipping 353 matching lines @@
 
 TEST_F(ValidationTest, Conformance) {
   DummyMessageReceiver dummy_receiver;
   mojo::internal::FilterChain validators(&dummy_receiver);
   validators.Append<mojo::internal::MessageHeaderValidator>();
   validators.Append<ConformanceTestInterface::RequestValidator_>();
 
   RunValidationTests("conformance_", validators.GetHead());
 }
 
+// This test is similar to Conformance test but its goal is specifically
+// do bounds-check testing of message validation. For example we test the
+// detection of off-by-one errors in method ordinals.
+TEST_F(ValidationTest, BoundsCheck) {
+  DummyMessageReceiver dummy_receiver;
+  mojo::internal::FilterChain validators(&dummy_receiver);
+  validators.Append<mojo::internal::MessageHeaderValidator>();
+  validators.Append<BoundsCheckTestInterface::RequestValidator_>();
+
+  RunValidationTests("boundscheck_", validators.GetHead());
+}
+
 // This test is similar to the Conformance test but for responses.
 TEST_F(ValidationTest, ResponseConformance) {
   DummyMessageReceiver dummy_receiver;
   mojo::internal::FilterChain validators(&dummy_receiver);
   validators.Append<mojo::internal::MessageHeaderValidator>();
   validators.Append<ConformanceTestInterface::ResponseValidator_>();
 
   RunValidationTests("resp_conformance_", validators.GetHead());
 }
 
+// This test is similar to the BoundsCheck test but for responses.
+TEST_F(ValidationTest, ResponseBoundsCheck) {
+  DummyMessageReceiver dummy_receiver;
+  mojo::internal::FilterChain validators(&dummy_receiver);
+  validators.Append<mojo::internal::MessageHeaderValidator>();
+  validators.Append<BoundsCheckTestInterface::ResponseValidator_>();
+
+  RunValidationTests("resp_boundscheck_", validators.GetHead());
+}
+
 // Test that InterfacePtr<X> applies the correct validators and they don't
 // conflict with each other:
 //   - MessageHeaderValidator
 //   - X::ResponseValidator_
 TEST_F(ValidationIntegrationTest, InterfacePtr) {
   IntegrationTestInterfacePtr interface_ptr =
       MakeProxy<IntegrationTestInterface>(testee_endpoint().Pass());
   interface_ptr.internal_state()->router_for_testing()->EnableTestingMode();
 
   RunValidationTests("integration_intf_resp", test_message_receiver());
@@ skipping 11 matching lines @@
       MakeRequest<IntegrationTestInterface>(testee_endpoint().Pass()));
   binding.internal_router()->EnableTestingMode();
 
   RunValidationTests("integration_intf_rqst", test_message_receiver());
   RunValidationTests("integration_msghdr", test_message_receiver());
 }
 
 }  // namespace
 }  // namespace test
 }  // namespace mojo