// 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
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

syntax = "proto2";

import "google/protobuf/unittest_import.proto";

option cc_enable_arenas = true;

// We don't put this in a package within proto2 because we need to make sure
// that the generated code doesn't depend on being in the proto2 namespace.
// In map_test_util.h we do "using namespace unittest = protobuf_unittest".
package protobuf_unittest;

enum Proto2MapEnum {
  PROTO2_MAP_ENUM_FOO = 0;
  PROTO2_MAP_ENUM_BAR = 1;
  PROTO2_MAP_ENUM_BAZ = 2;
}

enum Proto2MapEnumPlusExtra {
  E_PROTO2_MAP_ENUM_FOO = 0;
  E_PROTO2_MAP_ENUM_BAR = 1;
  E_PROTO2_MAP_ENUM_BAZ = 2;
  E_PROTO2_MAP_ENUM_EXTRA = 3;
}

message TestEnumMap {
  map<int32, Proto2MapEnum> known_map_field = 101;
  map<int32, Proto2MapEnum> unknown_map_field = 102;
}

message TestEnumMapPlusExtra {
  map<int32, Proto2MapEnumPlusExtra> known_map_field = 101;
  map<int32, Proto2MapEnumPlusExtra> unknown_map_field = 102;
}

message TestImportEnumMap {
  map<int32, protobuf_unittest_import.ImportEnumForMap> import_enum_amp = 1;
}

message TestIntIntMap {
  map<int32, int32> m = 1;
}

// Test all key types: string, plus the non-floating-point scalars.
message TestMaps {
  map<int32, TestIntIntMap> m_int32 = 1;
  map<int64, TestIntIntMap> m_int64 = 2;
  map<uint32, TestIntIntMap> m_uint32 = 3;
  map<uint64, TestIntIntMap> m_uint64 = 4;
  map<sint32, TestIntIntMap> m_sint32 = 5;
  map<sint64, TestIntIntMap> m_sint64 = 6;
  map<fixed32, TestIntIntMap> m_fixed32 = 7;
  map<fixed64, TestIntIntMap> m_fixed64 = 8;
  map<sfixed32, TestIntIntMap> m_sfixed32 = 9;
  map<sfixed64, TestIntIntMap> m_sfixed64 = 10;
  map<bool, TestIntIntMap> m_bool = 11;
  map<string, TestIntIntMap> m_string = 12;
}

// Test maps in submessages.
message TestSubmessageMaps {
  optional TestMaps m = 1;
}