xref: /aosp_15_r20/external/protobuf/objectivec/Tests/unittest_cycle.proto (revision 1b3f573f81763fcece89efc2b6a5209149e44ab8)

// Protocol Buffers - Google's data interchange format
// Copyright 2015 Google Inc.  All rights reserved.
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syntax = "proto2";

package protobuf_unittest;

// Cycles in the Message graph can cause problems for message class
// initialization order.

// You can't make a object graph that spans files, so this can only be done
// within a single proto file.

message CycleFoo {
  optional CycleFoo a_foo = 1;
  optional CycleBar a_bar = 2;
  optional CycleBaz a_baz = 3;
}

message CycleBar {
  optional CycleBar a_bar = 1;
  optional CycleBaz a_baz = 2;
  optional CycleFoo a_foo = 3;
}

message CycleBaz {
  optional CycleBaz a_baz = 1;
  optional CycleFoo a_foo = 2;
  optional CycleBar a_bar = 3;
}