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diff --git a/test/cpp/common/channel_filter_test.cc b/test/cpp/common/channel_filter_test.cc
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+++ b/test/cpp/common/channel_filter_test.cc
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+//
+// Copyright 2016, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+//
+
+#include "src/cpp/common/channel_filter.h"
+
+#include <limits.h>
+
+#include <grpc/grpc.h>
+#include <gtest/gtest.h>
+
+namespace grpc {
+namespace testing {
+
+class MyChannelData : public ChannelData {
+ public:
+  MyChannelData() {}
+
+  grpc_error* Init(grpc_exec_ctx* exec_ctx,
+                   grpc_channel_element_args* args) override {
+    (void)args->channel_args;  // Make sure field is available.
+    return GRPC_ERROR_NONE;
+  }
+};
+
+class MyCallData : public CallData {
+ public:
+  MyCallData() {}
+
+  grpc_error* Init(grpc_exec_ctx* exec_ctx, ChannelData* channel_data,
+                   grpc_call_element_args* args) override {
+    (void)args->path;  // Make sure field is available.
+    return GRPC_ERROR_NONE;
+  }
+};
+
+// This test ensures that when we make changes to the filter API in
+// C-core, we don't accidentally break the C++ filter API.
+TEST(ChannelFilterTest, RegisterChannelFilter) {
+  grpc::RegisterChannelFilter<MyChannelData, MyCallData>(
+      "myfilter", GRPC_CLIENT_CHANNEL, INT_MAX, nullptr);
+}
+
+// TODO(roth): When we have time, add tests for all methods of the
+// filter API.
+
+}  // namespace testing
+}  // namespace grpc
+
+int main(int argc, char** argv) {
+  ::testing::InitGoogleTest(&argc, argv);
+  return RUN_ALL_TESTS();
+}