Factored conformance tests so they can run in-process.

This is necessary for testing on iOS.

Change-Id: I54ec1e3aa2e9fbfff9a6cd6580920a6a62069b63

1 files changed, 109 insertions, 0 deletions

diff --git a/conformance/conformance_test.h b/conformance/conformance_test.h
new file mode 100644
index 00000000..c16f9c0b
--- /dev/null
+++ b/conformance/conformance_test.h
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+// Protocol Buffers - Google's data interchange format
+// Copyright 2008 Google Inc.  All rights reserved.
+// https://developers.google.com/protocol-buffers/
+//
+// 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.
+
+
+// This file defines a protocol for running the conformance test suite
+// in-process.  In other words, the suite itself will run in the same process as
+// the code under test.
+//
+// For pros and cons of this approach, please see conformance.proto.
+
+#ifndef CONFORMANCE_CONFORMANCE_TEST_H
+#define CONFORMANCE_CONFORMANCE_TEST_H
+
+#include <string>
+#include <google/protobuf/wire_format_lite.h>
+
+namespace conformance {
+class ConformanceRequest;
+class ConformanceResponse;
+}  // namespace conformance
+
+namespace google {
+namespace protobuf {
+
+class ConformanceTestRunner {
+ public:
+  // Call to run a single conformance test.
+  //
+  // "input" is a serialized conformance.ConformanceRequest.
+  // "output" should be set to a serialized conformance.ConformanceResponse.
+  //
+  // If there is any error in running the test itself, set "runtime_error" in
+  // the response.
+  virtual void RunTest(const std::string& input, std::string* output) = 0;
+};
+
+// Class representing the test suite itself.  To run it, implement your own
+// class derived from ConformanceTestRunner and then write code like:
+//
+//    class MyConformanceTestRunner : public ConformanceTestRunner {
+//     public:
+//      virtual void RunTest(...) {
+//        // INSERT YOUR FRAMEWORK-SPECIFIC CODE HERE.
+//      }
+//    };
+//
+//    int main() {
+//      MyConformanceTestRunner runner;
+//      google::protobuf::ConformanceTestSuite suite;
+//
+//      std::string output;
+//      suite.RunSuite(&runner, &output);
+//    }
+//
+class ConformanceTestSuite {
+ public:
+  ConformanceTestSuite() : verbose_(false) {}
+
+  // Run all the conformance tests against the given test runner.
+  // Test output will be stored in "output".
+  void RunSuite(ConformanceTestRunner* runner, std::string* output);
+
+ private:
+  void ReportSuccess();
+  void ReportFailure(const char* fmt, ...);
+  void RunTest(const conformance::ConformanceRequest& request,
+               conformance::ConformanceResponse* response);
+  void DoExpectParseFailureForProto(const std::string& proto, int line);
+  void TestPrematureEOFForType(
+      google::protobuf::internal::WireFormatLite::FieldType type);
+
+  ConformanceTestRunner* runner_;
+  int successes_;
+  int failures_;
+  bool verbose_;
+  std::string output_;
+};
+
+}  // namespace protobuf
+}  // namespace google
+
+#endif  // CONFORMANCE_CONFORMANCE_TEST_H