// Protocol Buffers - Google's data interchange format
// Copyright 2008 Google Inc.  All rights reserved.
// https://developers.google.com/protocol-buffers/
//
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// modification, are permitted provided that the following conditions are
// met:
//
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// notice, this list of conditions and the following disclaimer.
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// in the documentation and/or other materials provided with the
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syntax = "proto2";


option java_outer_classname = "MapForProto2TestProto";
option java_generate_equals_and_hash = true;

message TestMap {
  message MessageValue {
    optional int32 value = 1;
  }
  enum EnumValue {
    FOO = 0;
    BAR = 1;
    BAZ = 2;
    QUX = 3;
  }

  map<int32, int32>         int32_to_int32_field = 1;
  map<int32, string>        int32_to_string_field = 2;
  map<int32, bytes>         int32_to_bytes_field = 3;
  map<int32, EnumValue>     int32_to_enum_field = 4;
  map<int32, MessageValue>  int32_to_message_field = 5;
  map<string, int32>        string_to_int32_field = 6;

  message MessageWithRequiredFields {
    required int32 value = 1;
  }
  map<int32, MessageWithRequiredFields> required_message_map = 11;
}

message TestUnknownEnumValue {
  // Wire-compatible with TestMap.int32_to_enum_field so we can test the
  // parsing behavior of TestMap regarding unknown enum values.
  map<int32, int32> int32_to_int32_field = 4;
}

// Test that the maps initialization code works correctly when the map field
// references the containing message.
message TestRecursiveMap {
  optional int32 value = 1;
  map<int32, TestRecursiveMap> recursive_map_field = 2;
}


// a decoy of TestMap for testing parsing errors
message BizarroTestMap {
  map<int32, bytes> int32_to_int32_field = 1; // same key type, different value
  map<string, int32> int32_to_string_field = 2; // different key and value types
  map<string, int32> int32_to_bytes_field = 3; // different key types, same value
  map<string, bytes> int32_to_enum_field = 4; // different key and value types
  map<string, bytes> int32_to_message_field = 5; // different key and value types
  map<string, bytes> string_to_int32_field = 6;  // same key type, different value
}
package map_for_proto2_lite_test;
option java_package = "map_lite_test";
option optimize_for = LITE_RUNTIME;