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// Protocol Buffers - Google's data interchange format
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// Copyright 2008 Google Inc. All rights reserved.
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// http://code.google.com/p/protobuf/
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright 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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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// Author: kenton@google.com (Kenton Varda)
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// Based on original Protocol Buffers design by
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// Sanjay Ghemawat, Jeff Dean, and others.
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// A proto file we will use for unit testing.
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import "google/protobuf/unittest_import.proto";
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// We don't put this in a package within proto2 because we need to make sure
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// that the generated code doesn't depend on being in the proto2 namespace.
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// In test_util.h we do "using namespace unittest = protobuf_unittest".
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package protobuf_unittest;
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// Protos optimized for SPEED use a strict superset of the generated code
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// of equivalent ones optimized for CODE_SIZE, so we should optimize all our
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// tests for speed unless explicitly testing code size optimization.
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option optimize_for = SPEED;
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option java_outer_classname = "UnittestProto";
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// This proto includes every type of field in both singular and repeated
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message TestAllTypes {
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message NestedMessage {
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// The field name "b" fails to compile in proto1 because it conflicts with
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// a local variable named "b" in one of the generated methods. Doh.
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// This file needs to compile in proto1 to test backwards-compatibility.
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optional int32 bb = 1;
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optional int32 optional_int32 = 1;
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optional int64 optional_int64 = 2;
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optional uint32 optional_uint32 = 3;
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optional uint64 optional_uint64 = 4;
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optional sint32 optional_sint32 = 5;
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optional sint64 optional_sint64 = 6;
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optional fixed32 optional_fixed32 = 7;
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optional fixed64 optional_fixed64 = 8;
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optional sfixed32 optional_sfixed32 = 9;
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optional sfixed64 optional_sfixed64 = 10;
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optional float optional_float = 11;
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optional double optional_double = 12;
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optional bool optional_bool = 13;
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optional string optional_string = 14;
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optional bytes optional_bytes = 15;
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optional group OptionalGroup = 16 {
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optional int32 a = 17;
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optional NestedMessage optional_nested_message = 18;
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optional ForeignMessage optional_foreign_message = 19;
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optional protobuf_unittest_import.ImportMessage optional_import_message = 20;
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optional NestedEnum optional_nested_enum = 21;
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optional ForeignEnum optional_foreign_enum = 22;
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optional protobuf_unittest_import.ImportEnum optional_import_enum = 23;
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optional string optional_string_piece = 24 [ctype=STRING_PIECE];
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optional string optional_cord = 25 [ctype=CORD];
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repeated int32 repeated_int32 = 31;
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repeated int64 repeated_int64 = 32;
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repeated uint32 repeated_uint32 = 33;
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repeated uint64 repeated_uint64 = 34;
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repeated sint32 repeated_sint32 = 35;
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repeated sint64 repeated_sint64 = 36;
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repeated fixed32 repeated_fixed32 = 37;
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repeated fixed64 repeated_fixed64 = 38;
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repeated sfixed32 repeated_sfixed32 = 39;
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repeated sfixed64 repeated_sfixed64 = 40;
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repeated float repeated_float = 41;
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repeated double repeated_double = 42;
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repeated bool repeated_bool = 43;
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repeated string repeated_string = 44;
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repeated bytes repeated_bytes = 45;
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repeated group RepeatedGroup = 46 {
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optional int32 a = 47;
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repeated NestedMessage repeated_nested_message = 48;
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repeated ForeignMessage repeated_foreign_message = 49;
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repeated protobuf_unittest_import.ImportMessage repeated_import_message = 50;
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repeated NestedEnum repeated_nested_enum = 51;
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repeated ForeignEnum repeated_foreign_enum = 52;
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repeated protobuf_unittest_import.ImportEnum repeated_import_enum = 53;
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repeated string repeated_string_piece = 54 [ctype=STRING_PIECE];
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repeated string repeated_cord = 55 [ctype=CORD];
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// Singular with defaults
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optional int32 default_int32 = 61 [default = 41 ];
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optional int64 default_int64 = 62 [default = 42 ];
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optional uint32 default_uint32 = 63 [default = 43 ];
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optional uint64 default_uint64 = 64 [default = 44 ];
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optional sint32 default_sint32 = 65 [default = -45 ];
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optional sint64 default_sint64 = 66 [default = 46 ];
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optional fixed32 default_fixed32 = 67 [default = 47 ];
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optional fixed64 default_fixed64 = 68 [default = 48 ];
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optional sfixed32 default_sfixed32 = 69 [default = 49 ];
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optional sfixed64 default_sfixed64 = 70 [default = -50 ];
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optional float default_float = 71 [default = 51.5 ];
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optional double default_double = 72 [default = 52e3 ];
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optional bool default_bool = 73 [default = true ];
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optional string default_string = 74 [default = "hello"];
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optional bytes default_bytes = 75 [default = "world"];
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optional NestedEnum default_nested_enum = 81 [default = BAR ];
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optional ForeignEnum default_foreign_enum = 82 [default = FOREIGN_BAR];
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optional protobuf_unittest_import.ImportEnum
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default_import_enum = 83 [default = IMPORT_BAR];
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optional string default_string_piece = 84 [ctype=STRING_PIECE,default="abc"];
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optional string default_cord = 85 [ctype=CORD,default="123"];
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message TestDeprecatedFields {
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optional int32 deprecated_int32 = 1 [deprecated=true];
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// Define these after TestAllTypes to make sure the compiler can handle
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message ForeignMessage {
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optional int32 c = 1;
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message TestAllExtensions {
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extend TestAllExtensions {
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optional int32 optional_int32_extension = 1;
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optional int64 optional_int64_extension = 2;
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optional uint32 optional_uint32_extension = 3;
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optional uint64 optional_uint64_extension = 4;
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optional sint32 optional_sint32_extension = 5;
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optional sint64 optional_sint64_extension = 6;
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optional fixed32 optional_fixed32_extension = 7;
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optional fixed64 optional_fixed64_extension = 8;
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optional sfixed32 optional_sfixed32_extension = 9;
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optional sfixed64 optional_sfixed64_extension = 10;
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optional float optional_float_extension = 11;
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optional double optional_double_extension = 12;
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optional bool optional_bool_extension = 13;
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optional string optional_string_extension = 14;
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optional bytes optional_bytes_extension = 15;
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optional group OptionalGroup_extension = 16 {
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optional int32 a = 17;
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optional TestAllTypes.NestedMessage optional_nested_message_extension = 18;
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optional ForeignMessage optional_foreign_message_extension = 19;
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optional protobuf_unittest_import.ImportMessage
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optional_import_message_extension = 20;
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optional TestAllTypes.NestedEnum optional_nested_enum_extension = 21;
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optional ForeignEnum optional_foreign_enum_extension = 22;
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optional protobuf_unittest_import.ImportEnum
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optional_import_enum_extension = 23;
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optional string optional_string_piece_extension = 24 [ctype=STRING_PIECE];
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optional string optional_cord_extension = 25 [ctype=CORD];
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repeated int32 repeated_int32_extension = 31;
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repeated int64 repeated_int64_extension = 32;
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repeated uint32 repeated_uint32_extension = 33;
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repeated uint64 repeated_uint64_extension = 34;
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repeated sint32 repeated_sint32_extension = 35;
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repeated sint64 repeated_sint64_extension = 36;
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repeated fixed32 repeated_fixed32_extension = 37;
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repeated fixed64 repeated_fixed64_extension = 38;
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repeated sfixed32 repeated_sfixed32_extension = 39;
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repeated sfixed64 repeated_sfixed64_extension = 40;
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repeated float repeated_float_extension = 41;
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repeated double repeated_double_extension = 42;
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repeated bool repeated_bool_extension = 43;
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repeated string repeated_string_extension = 44;
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repeated bytes repeated_bytes_extension = 45;
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repeated group RepeatedGroup_extension = 46 {
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optional int32 a = 47;
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repeated TestAllTypes.NestedMessage repeated_nested_message_extension = 48;
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repeated ForeignMessage repeated_foreign_message_extension = 49;
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repeated protobuf_unittest_import.ImportMessage
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repeated_import_message_extension = 50;
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repeated TestAllTypes.NestedEnum repeated_nested_enum_extension = 51;
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repeated ForeignEnum repeated_foreign_enum_extension = 52;
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repeated protobuf_unittest_import.ImportEnum
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repeated_import_enum_extension = 53;
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repeated string repeated_string_piece_extension = 54 [ctype=STRING_PIECE];
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repeated string repeated_cord_extension = 55 [ctype=CORD];
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// Singular with defaults
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optional int32 default_int32_extension = 61 [default = 41 ];
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optional int64 default_int64_extension = 62 [default = 42 ];
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optional uint32 default_uint32_extension = 63 [default = 43 ];
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optional uint64 default_uint64_extension = 64 [default = 44 ];
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optional sint32 default_sint32_extension = 65 [default = -45 ];
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optional sint64 default_sint64_extension = 66 [default = 46 ];
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optional fixed32 default_fixed32_extension = 67 [default = 47 ];
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optional fixed64 default_fixed64_extension = 68 [default = 48 ];
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optional sfixed32 default_sfixed32_extension = 69 [default = 49 ];
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optional sfixed64 default_sfixed64_extension = 70 [default = -50 ];
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optional float default_float_extension = 71 [default = 51.5 ];
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optional double default_double_extension = 72 [default = 52e3 ];
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optional bool default_bool_extension = 73 [default = true ];
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optional string default_string_extension = 74 [default = "hello"];
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optional bytes default_bytes_extension = 75 [default = "world"];
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optional TestAllTypes.NestedEnum
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default_nested_enum_extension = 81 [default = BAR];
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default_foreign_enum_extension = 82 [default = FOREIGN_BAR];
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optional protobuf_unittest_import.ImportEnum
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default_import_enum_extension = 83 [default = IMPORT_BAR];
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optional string default_string_piece_extension = 84 [ctype=STRING_PIECE,
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optional string default_cord_extension = 85 [ctype=CORD, default="123"];
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message TestNestedExtension {
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extend TestAllExtensions {
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// Check for bug where string extensions declared in tested scope did not
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optional string test = 1002 [default="test"];
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// We have separate messages for testing required fields because it's
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// annoying to have to fill in required fields in TestProto in order to
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// do anything with it. Note that we don't need to test every type of
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// required filed because the code output is basically identical to
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// optional fields for all types.
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message TestRequired {
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required int32 a = 1;
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optional int32 dummy2 = 2;
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required int32 b = 3;
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extend TestAllExtensions {
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optional TestRequired single = 1000;
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repeated TestRequired multi = 1001;
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// Pad the field count to 32 so that we can test that IsInitialized()
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// properly checks multiple elements of has_bits_.
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optional int32 dummy4 = 4;
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optional int32 dummy5 = 5;
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optional int32 dummy6 = 6;
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optional int32 dummy7 = 7;
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optional int32 dummy8 = 8;
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optional int32 dummy9 = 9;
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optional int32 dummy10 = 10;
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optional int32 dummy11 = 11;
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optional int32 dummy12 = 12;
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optional int32 dummy13 = 13;
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optional int32 dummy14 = 14;
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optional int32 dummy15 = 15;
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optional int32 dummy16 = 16;
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optional int32 dummy17 = 17;
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optional int32 dummy18 = 18;
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optional int32 dummy19 = 19;
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optional int32 dummy20 = 20;
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optional int32 dummy21 = 21;
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optional int32 dummy22 = 22;
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optional int32 dummy23 = 23;
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optional int32 dummy24 = 24;
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optional int32 dummy25 = 25;
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optional int32 dummy26 = 26;
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optional int32 dummy27 = 27;
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optional int32 dummy28 = 28;
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optional int32 dummy29 = 29;
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optional int32 dummy30 = 30;
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optional int32 dummy31 = 31;
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optional int32 dummy32 = 32;
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required int32 c = 33;
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message TestRequiredForeign {
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optional TestRequired optional_message = 1;
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repeated TestRequired repeated_message = 2;
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optional int32 dummy = 3;
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// Test that we can use NestedMessage from outside TestAllTypes.
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message TestForeignNested {
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optional TestAllTypes.NestedMessage foreign_nested = 1;
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// TestEmptyMessage is used to test unknown field support.
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message TestEmptyMessage {
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// Like above, but declare all field numbers as potential extensions. No
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// actual extensions should ever be defined for this type.
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message TestEmptyMessageWithExtensions {
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message TestMultipleExtensionRanges {
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extensions 4143 to 4243;
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extensions 65536 to max;
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// Test that really large tag numbers don't break anything.
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message TestReallyLargeTagNumber {
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// The largest possible tag number is 2^28 - 1, since the wire format uses
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// three bits to communicate wire type.
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optional int32 a = 1;
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optional int32 bb = 268435455;
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message TestRecursiveMessage {
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optional TestRecursiveMessage a = 1;
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optional int32 i = 2;
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// Test that mutual recursion works.
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message TestMutualRecursionA {
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optional TestMutualRecursionB bb = 1;
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message TestMutualRecursionB {
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optional TestMutualRecursionA a = 1;
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optional int32 optional_int32 = 2;
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// Test that groups have disjoint field numbers from their siblings and
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// parents. This is NOT possible in proto1; only proto2. When attempting
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// to compile with proto1, this will emit an error; so we only include it
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// in protobuf_unittest_proto.
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message TestDupFieldNumber { // NO_PROTO1
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optional int32 a = 1; // NO_PROTO1
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optional group Foo = 2 { optional int32 a = 1; } // NO_PROTO1
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optional group Bar = 3 { optional int32 a = 1; } // NO_PROTO1
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// Needed for a Python test.
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message TestNestedMessageHasBits {
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message NestedMessage {
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repeated int32 nestedmessage_repeated_int32 = 1;
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repeated ForeignMessage nestedmessage_repeated_foreignmessage = 2;
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optional NestedMessage optional_nested_message = 1;
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// Test an enum that has multiple values with the same number.
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enum TestEnumWithDupValue {
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// Test an enum with large, unordered values.
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enum TestSparseEnum {
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// Test message with CamelCase field names. This violates Protocol Buffer
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message TestCamelCaseFieldNames {
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optional int32 PrimitiveField = 1;
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optional string StringField = 2;
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optional ForeignEnum EnumField = 3;
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optional ForeignMessage MessageField = 4;
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optional string StringPieceField = 5 [ctype=STRING_PIECE];
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optional string CordField = 6 [ctype=CORD];
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repeated int32 RepeatedPrimitiveField = 7;
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repeated string RepeatedStringField = 8;
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repeated ForeignEnum RepeatedEnumField = 9;
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repeated ForeignMessage RepeatedMessageField = 10;
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repeated string RepeatedStringPieceField = 11 [ctype=STRING_PIECE];
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repeated string RepeatedCordField = 12 [ctype=CORD];
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// We list fields out of order, to ensure that we're using field number and not
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// field index to determine serialization order.
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message TestFieldOrderings {
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optional string my_string = 11;
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optional int64 my_int = 1;
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extensions 12 to 100;
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optional float my_float = 101;
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extend TestFieldOrderings {
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optional string my_extension_string = 50;
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optional int32 my_extension_int = 5;
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message TestExtremeDefaultValues {
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optional bytes escaped_bytes = 1 [default = "\0\001\a\b\f\n\r\t\v\\\'\"\xfe"];
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optional uint32 large_uint32 = 2 [default = 0xFFFFFFFF];
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optional uint64 large_uint64 = 3 [default = 0xFFFFFFFFFFFFFFFF];
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optional int32 small_int32 = 4 [default = -0x7FFFFFFF];
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optional int64 small_int64 = 5 [default = -0x7FFFFFFFFFFFFFFF];
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// The default value here is UTF-8 for "\u1234". (We could also just type
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// the UTF-8 text directly into this text file rather than escape it, but
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// lots of people use editors that would be confused by this.)
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optional string utf8_string = 6 [default = "\341\210\264"];
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// Tests for single-precision floating-point values.
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optional float zero_float = 7 [default = 0];
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optional float one_float = 8 [default = 1];
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optional float small_float = 9 [default = 1.5];
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optional float negative_one_float = 10 [default = -1];
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optional float negative_float = 11 [default = -1.5];
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optional float large_float = 12 [default = 2E8];
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optional float small_negative_float = 13 [default = -8e-28];
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// Text for nonfinite floating-point values.
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optional double inf_double = 14 [default = inf];
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optional double neg_inf_double = 15 [default = -inf];
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optional double nan_double = 16 [default = nan];
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optional float inf_float = 17 [default = inf];
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optional float neg_inf_float = 18 [default = -inf];
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optional float nan_float = 19 [default = nan];
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// Test String and Bytes: string is for valid UTF-8 strings
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optional string data = 1;
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optional bytes data = 1;
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// Test messages for packed fields
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message TestPackedTypes {
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repeated int32 packed_int32 = 90 [packed = true];
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repeated int64 packed_int64 = 91 [packed = true];
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repeated uint32 packed_uint32 = 92 [packed = true];
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repeated uint64 packed_uint64 = 93 [packed = true];
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repeated sint32 packed_sint32 = 94 [packed = true];
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repeated sint64 packed_sint64 = 95 [packed = true];
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repeated fixed32 packed_fixed32 = 96 [packed = true];
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repeated fixed64 packed_fixed64 = 97 [packed = true];
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repeated sfixed32 packed_sfixed32 = 98 [packed = true];
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repeated sfixed64 packed_sfixed64 = 99 [packed = true];
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repeated float packed_float = 100 [packed = true];
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repeated double packed_double = 101 [packed = true];
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repeated bool packed_bool = 102 [packed = true];
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repeated ForeignEnum packed_enum = 103 [packed = true];
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// A message with the same fields as TestPackedTypes, but without packing. Used
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// to test packed <-> unpacked wire compatibility.
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message TestUnpackedTypes {
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repeated int32 unpacked_int32 = 90 [packed = false];
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repeated int64 unpacked_int64 = 91 [packed = false];
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repeated uint32 unpacked_uint32 = 92 [packed = false];
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repeated uint64 unpacked_uint64 = 93 [packed = false];
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repeated sint32 unpacked_sint32 = 94 [packed = false];
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repeated sint64 unpacked_sint64 = 95 [packed = false];
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repeated fixed32 unpacked_fixed32 = 96 [packed = false];
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repeated fixed64 unpacked_fixed64 = 97 [packed = false];
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repeated sfixed32 unpacked_sfixed32 = 98 [packed = false];
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repeated sfixed64 unpacked_sfixed64 = 99 [packed = false];
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repeated float unpacked_float = 100 [packed = false];
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repeated double unpacked_double = 101 [packed = false];
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repeated bool unpacked_bool = 102 [packed = false];
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repeated ForeignEnum unpacked_enum = 103 [packed = false];
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message TestPackedExtensions {
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extend TestPackedExtensions {
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repeated int32 packed_int32_extension = 90 [packed = true];
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repeated int64 packed_int64_extension = 91 [packed = true];
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repeated uint32 packed_uint32_extension = 92 [packed = true];
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repeated uint64 packed_uint64_extension = 93 [packed = true];
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repeated sint32 packed_sint32_extension = 94 [packed = true];
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repeated sint64 packed_sint64_extension = 95 [packed = true];
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repeated fixed32 packed_fixed32_extension = 96 [packed = true];
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repeated fixed64 packed_fixed64_extension = 97 [packed = true];
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repeated sfixed32 packed_sfixed32_extension = 98 [packed = true];
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repeated sfixed64 packed_sfixed64_extension = 99 [packed = true];
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repeated float packed_float_extension = 100 [packed = true];
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repeated double packed_double_extension = 101 [packed = true];
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repeated bool packed_bool_extension = 102 [packed = true];
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repeated ForeignEnum packed_enum_extension = 103 [packed = true];
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// Used by ExtensionSetTest/DynamicExtensions. The test actually builds
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// a set of extensions to TestAllExtensions dynamically, based on the fields
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// of this message type.
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message TestDynamicExtensions {
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enum DynamicEnumType {
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message DynamicMessageType {
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optional int32 dynamic_field = 2100;
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optional fixed32 scalar_extension = 2000;
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optional ForeignEnum enum_extension = 2001;
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optional DynamicEnumType dynamic_enum_extension = 2002;
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optional ForeignMessage message_extension = 2003;
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optional DynamicMessageType dynamic_message_extension = 2004;
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repeated string repeated_extension = 2005;
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repeated sint32 packed_extension = 2006 [packed = true];
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message TestRepeatedScalarDifferentTagSizes {
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// Parsing repeated fixed size values used to fail. This message needs to be
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// used in order to get a tag of the right size; all of the repeated fields
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// in TestAllTypes didn't trigger the check.
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repeated fixed32 repeated_fixed32 = 12;
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// Check for a varint type, just for good measure.
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repeated int32 repeated_int32 = 13;
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// These have two-byte tags.
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repeated fixed64 repeated_fixed64 = 2046;
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repeated int64 repeated_int64 = 2047;
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repeated float repeated_float = 262142;
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repeated uint64 repeated_uint64 = 262143;
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// Test that RPC services work.
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message FooRequest {}
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message FooResponse {}
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service TestService {
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rpc Foo(FooRequest) returns (FooResponse);
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rpc Bar(BarRequest) returns (BarResponse);
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message BarRequest {}
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message BarResponse {}