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      1 // Protocol Buffers - Google's data interchange format
      2 // Copyright 2008 Google Inc.  All rights reserved.
      3 // https://developers.google.com/protocol-buffers/
      4 //
      5 // Redistribution and use in source and binary forms, with or without
      6 // modification, are permitted provided that the following conditions are
      7 // met:
      8 //
      9 //     * Redistributions of source code must retain the above copyright
     10 // notice, this list of conditions and the following disclaimer.
     11 //     * Redistributions in binary form must reproduce the above
     12 // copyright notice, this list of conditions and the following disclaimer
     13 // in the documentation and/or other materials provided with the
     14 // distribution.
     15 //     * Neither the name of Google Inc. nor the names of its
     16 // contributors may be used to endorse or promote products derived from
     17 // this software without specific prior written permission.
     18 //
     19 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     20 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     21 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     22 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     23 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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     25 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     26 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     27 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     28 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     29 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     30 
     31 #ifndef GOOGLE_PROTOBUF_UTIL_CONVERTER_TYPE_INFO_TEST_HELPER_H__
     32 #define GOOGLE_PROTOBUF_UTIL_CONVERTER_TYPE_INFO_TEST_HELPER_H__
     33 
     34 #include <memory>
     35 #ifndef _SHARED_PTR_H
     36 #include <google/protobuf/stubs/shared_ptr.h>
     37 #endif
     38 #include <vector>
     39 
     40 #include <google/protobuf/io/coded_stream.h>
     41 #include <google/protobuf/descriptor.h>
     42 #include <google/protobuf/util/internal/default_value_objectwriter.h>
     43 #include <google/protobuf/util/internal/type_info.h>
     44 #include <google/protobuf/util/internal/protostream_objectsource.h>
     45 #include <google/protobuf/util/internal/protostream_objectwriter.h>
     46 #include <google/protobuf/util/type_resolver.h>
     47 
     48 namespace google {
     49 namespace protobuf {
     50 namespace util {
     51 namespace converter {
     52 namespace testing {
     53 
     54 enum TypeInfoSource {
     55   USE_TYPE_RESOLVER,
     56 };
     57 
     58 // In the unit-tests we want to test two scenarios: one with type info from
     59 // ServiceTypeInfo, the other with type info from TypeResolver. This class
     60 // wraps the detail of where the type info is from and provides the same
     61 // interface so the same unit-test code can test both scenarios.
     62 class TypeInfoTestHelper {
     63  public:
     64   explicit TypeInfoTestHelper(TypeInfoSource type) : type_(type) {}
     65 
     66   // Creates a TypeInfo object for the given set of descriptors.
     67   void ResetTypeInfo(const vector<const Descriptor*>& descriptors);
     68 
     69   // Convinent overloads.
     70   void ResetTypeInfo(const Descriptor* descriptor);
     71   void ResetTypeInfo(const Descriptor* descriptor1,
     72                      const Descriptor* descriptor2);
     73 
     74   // Returns the TypeInfo created after ResetTypeInfo.
     75   TypeInfo* GetTypeInfo();
     76 
     77   ProtoStreamObjectSource* NewProtoSource(io::CodedInputStream* coded_input,
     78                                           const string& type_url);
     79 
     80   ProtoStreamObjectWriter* NewProtoWriter(
     81       const string& type_url, strings::ByteSink* output,
     82       ErrorListener* listener, const ProtoStreamObjectWriter::Options& options);
     83 
     84   DefaultValueObjectWriter* NewDefaultValueWriter(const string& type_url,
     85                                                   ObjectWriter* writer);
     86 
     87  private:
     88   TypeInfoSource type_;
     89   google::protobuf::scoped_ptr<TypeInfo> typeinfo_;
     90   google::protobuf::scoped_ptr<TypeResolver> type_resolver_;
     91 };
     92 }  // namespace testing
     93 }  // namespace converter
     94 }  // namespace util
     95 }  // namespace protobuf
     96 
     97 }  // namespace google
     98 #endif  // GOOGLE_PROTOBUF_UTIL_CONVERTER_TYPE_INFO_TEST_HELPER_H__
     99