syntax = "proto3";

// These proto descriptors have at one time been reported as an issue or defect.
// They are kept here to replicate the issue, and continue to verify the fix.

// Issue: Non-"Google.Protobuffers" namespace will ensure that protobuffer library types are qualified
option csharp_namespace = "UnitTest.Issues.TestProtos";

package unittest_issues;
option optimize_for = SPEED;

// Issue 307: when generating doubly-nested types, any references
// should be of the form A.Types.B.Types.C.
message Issue307 {
  message NestedOnce {
    message NestedTwice {
    }
  }
}

// Old issue 13: http://code.google.com/p/protobuf-csharp-port/issues/detail?id=13
// New issue 309: https://github.com/google/protobuf/issues/309
 
// message A {
//    optional int32 _A = 1;
// }

// message B {
//    optional int32 B_ = 1;
// }

//message AB {
//    optional int32 a_b = 1;
//}

// Similar issue with numeric names
// Java code failed too, so probably best for this to be a restriction.
// See https://github.com/google/protobuf/issues/308
// message NumberField {
//    optional int32 _01 = 1;
// }

// issue 19 - negative enum values

enum NegativeEnum {
    NEGATIVE_ENUM_ZERO = 0;
    FiveBelow = -5;
    MinusOne = -1;
}

message NegativeEnumMessage { 
    NegativeEnum value = 1;
    repeated NegativeEnum values = 2 [packed = false];
    repeated NegativeEnum packed_values = 3 [packed=true];
}

// Issue 21: http://code.google.com/p/protobuf-csharp-port/issues/detail?id=21
// Decorate fields with [deprecated=true] as [System.Obsolete]

message DeprecatedChild {
}

enum DeprecatedEnum {
    DEPRECATED_ZERO = 0;
    one = 1;
}

message DeprecatedFieldsMessage {
    int32 PrimitiveValue = 1 [deprecated = true];
    repeated int32 PrimitiveArray = 2 [deprecated = true];

    DeprecatedChild MessageValue = 3 [deprecated = true];
    repeated DeprecatedChild MessageArray = 4 [deprecated = true];

    DeprecatedEnum EnumValue = 5 [deprecated = true];
    repeated DeprecatedEnum EnumArray = 6 [deprecated = true];
}

// Issue 45: http://code.google.com/p/protobuf-csharp-port/issues/detail?id=45
message ItemField {
  int32 item = 1;
}
