1 // Protocol Buffers - Google's data interchange format 2 // Copyright 2015 Google Inc. All rights reserved. 3 // 4 // Redistribution and use in source and binary forms, with or without 5 // modification, are permitted provided that the following conditions are 6 // met: 7 // 8 // * Redistributions of source code must retain the above copyright 9 // notice, this list of conditions and the following disclaimer. 10 // * Redistributions in binary form must reproduce the above 11 // copyright notice, this list of conditions and the following disclaimer 12 // in the documentation and/or other materials provided with the 13 // distribution. 14 // * Neither the name of Google Inc. nor the names of its 15 // contributors may be used to endorse or promote products derived from 16 // this software without specific prior written permission. 17 // 18 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 30 syntax = "proto2"; 31 32 package protobuf_unittest; 33 34 // Cycles in the Message graph can cause problems for the mutable classes 35 // since the properties on the mutable class change types. This file just 36 // needs to generate source, and that source must compile, to ensure the 37 // generated source works for this sort of case. 38 39 // You can't make a object graph that spans files, so this can only be done 40 // within a single proto file. 41 42 message CycleFoo { 43 optional CycleFoo a_foo = 1; 44 optional CycleBar a_bar = 2; 45 optional CycleBaz a_baz = 3; 46 } 47 48 message CycleBar { 49 optional CycleBar a_bar = 1; 50 optional CycleBaz a_baz = 2; 51 optional CycleFoo a_foo = 3; 52 } 53 54 message CycleBaz { 55 optional CycleBaz a_baz = 1; 56 optional CycleFoo a_foo = 2; 57 optional CycleBar a_bar = 3; 58 } 59
