src/third_party/protobuf/conformance/conformance.proto

// Protocol Buffers - Google's data interchange format
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// https://developers.google.com/protocol-buffers/
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syntax = "proto3";
package conformance;
option java_package = "com.google.protobuf.conformance";

import "google/protobuf/any.proto";
import "google/protobuf/duration.proto";
import "google/protobuf/field_mask.proto";
import "google/protobuf/struct.proto";
import "google/protobuf/timestamp.proto";
import "google/protobuf/wrappers.proto";

// This defines the conformance testing protocol.  This protocol exists between
// the conformance test suite itself and the code being tested.  For each test,
// the suite will send a ConformanceRequest message and expect a
// ConformanceResponse message.
//
// You can either run the tests in two different ways:
//
//   1. in-process (using the interface in conformance_test.h).
//
//   2. as a sub-process communicating over a pipe.  Information about how to
//      do this is in conformance_test_runner.cc.
//
// Pros/cons of the two approaches:
//
//   - running as a sub-process is much simpler for languages other than C/C++.
//
//   - running as a sub-process may be more tricky in unusual environments like
//     iOS apps, where fork/stdin/stdout are not available.

enum WireFormat {
  UNSPECIFIED = 0;
  PROTOBUF = 1;
  JSON = 2;
}

// Represents a single test case's input.  The testee should:
//
//   1. parse this proto (which should always succeed)
//   2. parse the protobuf or JSON payload in "payload" (which may fail)
//   3. if the parse succeeded, serialize the message in the requested format.
message ConformanceRequest {
  // The payload (whether protobuf of JSON) is always for a TestAllTypes proto
  // (see below).
  oneof payload {
    bytes protobuf_payload = 1;
    string json_payload = 2;
  }

  // Which format should the testee serialize its message to?
  WireFormat requested_output_format = 3;
}

// Represents a single test case's output.
message ConformanceResponse {
  oneof result {
    // This string should be set to indicate parsing failed.  The string can
    // provide more information about the parse error if it is available.
    //
    // Setting this string does not necessarily mean the testee failed the
    // test.  Some of the test cases are intentionally invalid input.
    string parse_error = 1;

    // If the input was successfully parsed but errors occurred when
    // serializing it to the requested output format, set the error message in
    // this field.
    string serialize_error = 6;

    // This should be set if some other error occurred.  This will always
    // indicate that the test failed.  The string can provide more information
    // about the failure.
    string runtime_error = 2;

    // If the input was successfully parsed and the requested output was
    // protobuf, serialize it to protobuf and set it in this field.
    bytes protobuf_payload = 3;

    // If the input was successfully parsed and the requested output was JSON,
    // serialize to JSON and set it in this field.
    string json_payload = 4;

    // For when the testee skipped the test, likely because a certain feature
    // wasn't supported, like JSON input/output.
    string skipped = 5;
  }
}

// This proto includes every type of field in both singular and repeated
// forms.
message TestAllTypes {
  message NestedMessage {
    int32 a = 1;
    TestAllTypes corecursive = 2;
  }

  enum NestedEnum {
    FOO = 0;
    BAR = 1;
    BAZ = 2;
    NEG = -1;  // Intentionally negative.
  }

  // Singular
  int32 optional_int32    =  1;
  int64 optional_int64    =  2;
  uint32 optional_uint32   =  3;
  uint64 optional_uint64   =  4;
  sint32 optional_sint32   =  5;
  sint64 optional_sint64   =  6;
  fixed32 optional_fixed32  =  7;
  fixed64 optional_fixed64  =  8;
  sfixed32 optional_sfixed32 =  9;
  sfixed64 optional_sfixed64 = 10;
  float optional_float    = 11;
  double optional_double   = 12;
  bool optional_bool     = 13;
  string optional_string   = 14;
  bytes optional_bytes    = 15;

  NestedMessage                        optional_nested_message  = 18;
  ForeignMessage                       optional_foreign_message = 19;

  NestedEnum                           optional_nested_enum     = 21;
  ForeignEnum                          optional_foreign_enum    = 22;

  string optional_string_piece = 24 [ctype=STRING_PIECE];
  string optional_cord = 25 [ctype=CORD];

  TestAllTypes recursive_message = 27;

  // Repeated
  repeated    int32 repeated_int32    = 31;
  repeated    int64 repeated_int64    = 32;
  repeated   uint32 repeated_uint32   = 33;
  repeated   uint64 repeated_uint64   = 34;
  repeated   sint32 repeated_sint32   = 35;
  repeated   sint64 repeated_sint64   = 36;
  repeated  fixed32 repeated_fixed32  = 37;
  repeated  fixed64 repeated_fixed64  = 38;
  repeated sfixed32 repeated_sfixed32 = 39;
  repeated sfixed64 repeated_sfixed64 = 40;
  repeated    float repeated_float    = 41;
  repeated   double repeated_double   = 42;
  repeated     bool repeated_bool     = 43;
  repeated   string repeated_string   = 44;
  repeated    bytes repeated_bytes    = 45;

  repeated NestedMessage                        repeated_nested_message  = 48;
  repeated ForeignMessage                       repeated_foreign_message = 49;

  repeated NestedEnum                           repeated_nested_enum     = 51;
  repeated ForeignEnum                          repeated_foreign_enum    = 52;

  repeated string repeated_string_piece = 54 [ctype=STRING_PIECE];
  repeated string repeated_cord = 55 [ctype=CORD];

  // Map
  map <   int32, int32>    map_int32_int32 = 56;
  map <   int64, int64>    map_int64_int64 = 57;
  map <  uint32, uint32>   map_uint32_uint32 = 58;
  map <  uint64, uint64>   map_uint64_uint64 = 59;
  map <  sint32, sint32>   map_sint32_sint32 = 60;
  map <  sint64, sint64>   map_sint64_sint64 = 61;
  map < fixed32, fixed32>  map_fixed32_fixed32 = 62;
  map < fixed64, fixed64>  map_fixed64_fixed64 = 63;
  map <sfixed32, sfixed32> map_sfixed32_sfixed32 = 64;
  map <sfixed64, sfixed64> map_sfixed64_sfixed64 = 65;
  map <   int32, float>    map_int32_float = 66;
  map <   int32, double>   map_int32_double = 67;
  map <    bool, bool>     map_bool_bool = 68;
  map <  string, string>   map_string_string = 69;
  map <  string, bytes>    map_string_bytes = 70;
  map <  string, NestedMessage>  map_string_nested_message = 71;
  map <  string, ForeignMessage> map_string_foreign_message = 72;
  map <  string, NestedEnum>     map_string_nested_enum = 73;
  map <  string, ForeignEnum>    map_string_foreign_enum = 74;

  oneof oneof_field {
    uint32 oneof_uint32 = 111;
    NestedMessage oneof_nested_message = 112;
    string oneof_string = 113;
    bytes oneof_bytes = 114;
  }

  // Well-known types
  google.protobuf.BoolValue optional_bool_wrapper = 201;
  google.protobuf.Int32Value optional_int32_wrapper = 202;
  google.protobuf.Int64Value optional_int64_wrapper = 203;
  google.protobuf.UInt32Value optional_uint32_wrapper = 204;
  google.protobuf.UInt64Value optional_uint64_wrapper = 205;
  google.protobuf.FloatValue optional_float_wrapper = 206;
  google.protobuf.DoubleValue optional_double_wrapper = 207;
  google.protobuf.StringValue optional_string_wrapper = 208;
  google.protobuf.BytesValue optional_bytes_wrapper = 209;

  repeated google.protobuf.BoolValue repeated_bool_wrapper = 211;
  repeated google.protobuf.Int32Value repeated_int32_wrapper = 212;
  repeated google.protobuf.Int64Value repeated_int64_wrapper = 213;
  repeated google.protobuf.UInt32Value repeated_uint32_wrapper = 214;
  repeated google.protobuf.UInt64Value repeated_uint64_wrapper = 215;
  repeated google.protobuf.FloatValue repeated_float_wrapper = 216;
  repeated google.protobuf.DoubleValue repeated_double_wrapper = 217;
  repeated google.protobuf.StringValue repeated_string_wrapper = 218;
  repeated google.protobuf.BytesValue repeated_bytes_wrapper = 219;

  google.protobuf.Duration optional_duration = 301;
  google.protobuf.Timestamp optional_timestamp = 302;
  google.protobuf.FieldMask optional_field_mask = 303;
  google.protobuf.Struct optional_struct = 304;
  google.protobuf.Any optional_any = 305;
  google.protobuf.Value optional_value = 306;

  repeated google.protobuf.Duration repeated_duration = 311;
  repeated google.protobuf.Timestamp repeated_timestamp = 312;
  repeated google.protobuf.FieldMask repeated_fieldmask = 313;
  repeated google.protobuf.Struct repeated_struct = 324;
  repeated google.protobuf.Any repeated_any = 315;
  repeated google.protobuf.Value repeated_value = 316;

  // Test field-name-to-JSON-name convention.
  int32 fieldname1 = 401;
  int32 field_name2 = 402;
  int32 _field_name3 = 403;
  int32 field__name4_ = 404;
  int32 field0name5 = 405;
  int32 field_0_name6 = 406;
  int32 fieldName7 = 407;
  int32 FieldName8 = 408;
  int32 field_Name9 = 409;
  int32 Field_Name10 = 410;
  int32 FIELD_NAME11 = 411;
  int32 FIELD_name12 = 412;
}

message ForeignMessage {
  int32 c = 1;
}

enum ForeignEnum {
  FOREIGN_FOO = 0;
  FOREIGN_BAR = 1;
  FOREIGN_BAZ = 2;
}