1 #region Copyright notice and license 2 // Protocol Buffers - Google's data interchange format 3 // Copyright 2008 Google Inc. All rights reserved. 4 // https://developers.google.com/protocol-buffers/ 5 // 6 // Redistribution and use in source and binary forms, with or without 7 // modification, are permitted provided that the following conditions are 8 // met: 9 // 10 // * Redistributions of source code must retain the above copyright 11 // notice, this list of conditions and the following disclaimer. 12 // * Redistributions in binary form must reproduce the above 13 // copyright notice, this list of conditions and the following disclaimer 14 // in the documentation and/or other materials provided with the 15 // distribution. 16 // * Neither the name of Google Inc. nor the names of its 17 // contributors may be used to endorse or promote products derived from 18 // this software without specific prior written permission. 19 // 20 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 22 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 23 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 24 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 25 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 26 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 30 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 #endregion 32 33 using NUnit.Framework; 34 using ProtobufUnittest; 35 using System; 36 using System.IO; 37 using UnitTest.Issues.TestProtos; 38 39 namespace Google.Protobuf.Test 40 { 41 class Proto3OptionalTest 42 { 43 [Test] OptionalInt32FieldLifecycle()44 public void OptionalInt32FieldLifecycle() 45 { 46 var message = new TestProto3Optional(); 47 Assert.IsFalse(message.HasOptionalInt32); 48 Assert.AreEqual(0, message.OptionalInt32); 49 50 message.OptionalInt32 = 5; 51 Assert.IsTrue(message.HasOptionalInt32); 52 Assert.AreEqual(5, message.OptionalInt32); 53 54 message.OptionalInt32 = 0; 55 Assert.IsTrue(message.HasOptionalInt32); 56 Assert.AreEqual(0, message.OptionalInt32); 57 58 message.ClearOptionalInt32(); 59 Assert.IsFalse(message.HasOptionalInt32); 60 Assert.AreEqual(0, message.OptionalInt32); 61 } 62 63 [Test] OptionalStringFieldLifecycle()64 public void OptionalStringFieldLifecycle() 65 { 66 var message = new TestProto3Optional(); 67 Assert.IsFalse(message.HasOptionalString); 68 Assert.AreEqual("", message.OptionalString); 69 70 message.OptionalString = "x"; 71 Assert.IsTrue(message.HasOptionalString); 72 Assert.AreEqual("x", message.OptionalString); 73 74 message.OptionalString = ""; 75 Assert.IsTrue(message.HasOptionalString); 76 Assert.AreEqual("", message.OptionalString); 77 78 message.ClearOptionalString(); 79 Assert.IsFalse(message.HasOptionalString); 80 Assert.AreEqual("", message.OptionalString); 81 82 Assert.Throws<ArgumentNullException>(() => message.OptionalString = null); 83 } 84 85 [Test] Clone()86 public void Clone() 87 { 88 var original = new TestProto3Optional { OptionalInt64 = 0L }; 89 90 var clone = original.Clone(); 91 Assert.False(clone.HasOptionalInt32); 92 Assert.AreEqual(0, clone.OptionalInt32); 93 Assert.True(clone.HasOptionalInt64); 94 Assert.AreEqual(0L, clone.OptionalInt64); 95 } 96 97 [Test] Serialization_NotSet()98 public void Serialization_NotSet() 99 { 100 var stream = new MemoryStream(); 101 var message = new TestProto3Optional(); 102 message.WriteTo(stream); 103 Assert.AreEqual(0, stream.Length); 104 } 105 106 [Test] Serialization_SetToDefault()107 public void Serialization_SetToDefault() 108 { 109 var stream = new MemoryStream(); 110 var message = new TestProto3Optional { OptionalInt32 = 0 }; 111 message.WriteTo(stream); 112 Assert.AreEqual(2, stream.Length); // Tag and value 113 } 114 115 [Test] Serialization_Roundtrip()116 public void Serialization_Roundtrip() 117 { 118 var original = new TestProto3Optional { OptionalInt64 = 0L, OptionalFixed32 = 5U }; 119 var stream = new MemoryStream(); 120 original.WriteTo(stream); 121 stream.Position = 0; 122 var deserialized = TestProto3Optional.Parser.ParseFrom(stream); 123 124 Assert.AreEqual(0, deserialized.OptionalInt32); 125 Assert.IsFalse(deserialized.HasOptionalInt32); 126 127 Assert.AreEqual(0L, deserialized.OptionalInt64); 128 Assert.IsTrue(deserialized.HasOptionalInt64); 129 130 Assert.AreEqual(5U, deserialized.OptionalFixed32); 131 Assert.IsTrue(deserialized.HasOptionalFixed32); 132 } 133 134 [Test] Equality_IgnoresPresence()135 public void Equality_IgnoresPresence() 136 { 137 var message1 = new TestProto3Optional { OptionalInt32 = 0 }; 138 var message2 = new TestProto3Optional(); 139 140 Assert.IsTrue(message1.Equals(message2)); 141 message1.ClearOptionalInt32(); 142 } 143 144 [Test] MixedFields()145 public void MixedFields() 146 { 147 var descriptor = MixedRegularAndOptional.Descriptor; 148 Assert.AreEqual(1, descriptor.Oneofs.Count); 149 Assert.AreEqual(0, descriptor.RealOneofCount); 150 Assert.True(descriptor.Oneofs[0].IsSynthetic); 151 } 152 } 153 } 154