1 files changed, 64 insertions, 0 deletions
diff --git a/test/cpp/codegen/golden_file_test.cc b/test/cpp/codegen/golden_file_test.cc
new file mode 100644
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+++ b/test/cpp/codegen/golden_file_test.cc
@@ -0,0 +1,64 @@
+/*
+ *
+ * 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 <fstream>
+#include <sstream>
+
+#include <gtest/gtest.h>
+
+// These paths rely on the fact that we run our tests under grpc/
+const char kGeneratedFilePath[] =
+    "gens/src/proto/grpc/testing/compiler_test.grpc.pb.h";
+const char kGoldenFilePath[] = "test/cpp/codegen/compiler_test_golden";
+
+TEST(GoldenFileTest, TestGeneratedFile) {
+  std::ifstream generated(kGeneratedFilePath);
+  std::ifstream golden(kGoldenFilePath);
+
+  ASSERT_TRUE(generated.good());
+  ASSERT_TRUE(golden.good());
+
+  std::ostringstream gen_oss;
+  std::ostringstream gold_oss;
+  gen_oss << generated.rdbuf();
+  gold_oss << golden.rdbuf();
+  EXPECT_EQ(gold_oss.str(), gen_oss.str());
+
+  generated.close();
+  golden.close();
+}
+
+int main(int argc, char **argv) {
+  ::testing::InitGoogleTest(&argc, argv);
+  return RUN_ALL_TESTS();
+}