Jon Skeet | 286edc0 | 2015-06-26 20:11:34 +0100 | [diff] [blame] | 1 | #region Copyright notice and license |
| 2 | // Protocol Buffers - Google's data interchange format |
| 3 | // Copyright 2015 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 System.Collections.Generic; |
| 34 | using System.IO; |
| 35 | using Google.Protobuf.TestProtos; |
| 36 | using NUnit.Framework; |
| 37 | |
| 38 | namespace Google.Protobuf |
| 39 | { |
| 40 | public class FieldCodecTest |
| 41 | { |
Jon Skeet | 99a81d2 | 2015-08-04 07:10:36 +0100 | [diff] [blame^] | 42 | #pragma warning disable 0414 // Used by tests via reflection - do not remove! |
Jon Skeet | 286edc0 | 2015-06-26 20:11:34 +0100 | [diff] [blame] | 43 | private static readonly List<ICodecTestData> Codecs = new List<ICodecTestData> |
| 44 | { |
| 45 | new FieldCodecTestData<bool>(FieldCodec.ForBool(100), true, "Bool"), |
| 46 | new FieldCodecTestData<string>(FieldCodec.ForString(100), "sample", "String"), |
| 47 | new FieldCodecTestData<ByteString>(FieldCodec.ForBytes(100), ByteString.CopyFrom(1, 2, 3), "Bytes"), |
| 48 | new FieldCodecTestData<int>(FieldCodec.ForInt32(100), -1000, "Int32"), |
| 49 | new FieldCodecTestData<int>(FieldCodec.ForSInt32(100), -1000, "SInt32"), |
| 50 | new FieldCodecTestData<int>(FieldCodec.ForSFixed32(100), -1000, "SFixed32"), |
| 51 | new FieldCodecTestData<uint>(FieldCodec.ForUInt32(100), 1234, "UInt32"), |
| 52 | new FieldCodecTestData<uint>(FieldCodec.ForFixed32(100), 1234, "Fixed32"), |
| 53 | new FieldCodecTestData<long>(FieldCodec.ForInt64(100), -1000, "Int64"), |
| 54 | new FieldCodecTestData<long>(FieldCodec.ForSInt64(100), -1000, "SInt64"), |
| 55 | new FieldCodecTestData<long>(FieldCodec.ForSFixed64(100), -1000, "SFixed64"), |
| 56 | new FieldCodecTestData<ulong>(FieldCodec.ForUInt64(100), 1234, "UInt64"), |
| 57 | new FieldCodecTestData<ulong>(FieldCodec.ForFixed64(100), 1234, "Fixed64"), |
| 58 | new FieldCodecTestData<float>(FieldCodec.ForFloat(100), 1234.5f, "Float"), |
| 59 | new FieldCodecTestData<double>(FieldCodec.ForDouble(100), 1234567890.5d, "Double"), |
| 60 | new FieldCodecTestData<ForeignEnum>( |
| 61 | FieldCodec.ForEnum(100, t => (int) t, t => (ForeignEnum) t), ForeignEnum.FOREIGN_BAZ, "Enum"), |
| 62 | new FieldCodecTestData<ForeignMessage>( |
| 63 | FieldCodec.ForMessage(100, ForeignMessage.Parser), new ForeignMessage { C = 10 }, "Message"), |
| 64 | }; |
Jon Skeet | 99a81d2 | 2015-08-04 07:10:36 +0100 | [diff] [blame^] | 65 | #pragma warning restore 0414 |
Jon Skeet | 286edc0 | 2015-06-26 20:11:34 +0100 | [diff] [blame] | 66 | |
| 67 | [Test, TestCaseSource("Codecs")] |
Jon Skeet | f34d37a | 2015-06-30 13:16:20 +0100 | [diff] [blame] | 68 | public void RoundTripWithTag(ICodecTestData codec) |
Jon Skeet | 286edc0 | 2015-06-26 20:11:34 +0100 | [diff] [blame] | 69 | { |
Jon Skeet | f34d37a | 2015-06-30 13:16:20 +0100 | [diff] [blame] | 70 | codec.TestRoundTripWithTag(); |
| 71 | } |
| 72 | |
| 73 | [Test, TestCaseSource("Codecs")] |
| 74 | public void RoundTripRaw(ICodecTestData codec) |
| 75 | { |
| 76 | codec.TestRoundTripRaw(); |
Jon Skeet | 286edc0 | 2015-06-26 20:11:34 +0100 | [diff] [blame] | 77 | } |
| 78 | |
| 79 | [Test, TestCaseSource("Codecs")] |
| 80 | public void CalculateSize(ICodecTestData codec) |
| 81 | { |
Jon Skeet | f34d37a | 2015-06-30 13:16:20 +0100 | [diff] [blame] | 82 | codec.TestCalculateSizeWithTag(); |
Jon Skeet | 286edc0 | 2015-06-26 20:11:34 +0100 | [diff] [blame] | 83 | } |
| 84 | |
| 85 | [Test, TestCaseSource("Codecs")] |
| 86 | public void DefaultValue(ICodecTestData codec) |
| 87 | { |
| 88 | codec.TestDefaultValue(); |
| 89 | } |
| 90 | |
Jon Skeet | 14f2222 | 2015-07-03 11:41:37 +0100 | [diff] [blame] | 91 | [Test, TestCaseSource("Codecs")] |
| 92 | public void FixedSize(ICodecTestData codec) |
| 93 | { |
| 94 | codec.TestFixedSize(); |
| 95 | } |
| 96 | |
| 97 | // This is ugly, but it means we can have a non-generic interface. |
| 98 | // It feels like NUnit should support this better, but I don't know |
| 99 | // of any better ways right now. |
Jon Skeet | 286edc0 | 2015-06-26 20:11:34 +0100 | [diff] [blame] | 100 | public interface ICodecTestData |
| 101 | { |
Jon Skeet | f34d37a | 2015-06-30 13:16:20 +0100 | [diff] [blame] | 102 | void TestRoundTripRaw(); |
| 103 | void TestRoundTripWithTag(); |
| 104 | void TestCalculateSizeWithTag(); |
Jon Skeet | 286edc0 | 2015-06-26 20:11:34 +0100 | [diff] [blame] | 105 | void TestDefaultValue(); |
Jon Skeet | 14f2222 | 2015-07-03 11:41:37 +0100 | [diff] [blame] | 106 | void TestFixedSize(); |
Jon Skeet | 286edc0 | 2015-06-26 20:11:34 +0100 | [diff] [blame] | 107 | } |
| 108 | |
| 109 | public class FieldCodecTestData<T> : ICodecTestData |
| 110 | { |
| 111 | private readonly FieldCodec<T> codec; |
| 112 | private readonly T sampleValue; |
| 113 | private readonly string name; |
| 114 | |
| 115 | public FieldCodecTestData(FieldCodec<T> codec, T sampleValue, string name) |
| 116 | { |
| 117 | this.codec = codec; |
| 118 | this.sampleValue = sampleValue; |
| 119 | this.name = name; |
| 120 | } |
| 121 | |
Jon Skeet | f34d37a | 2015-06-30 13:16:20 +0100 | [diff] [blame] | 122 | public void TestRoundTripRaw() |
| 123 | { |
| 124 | var stream = new MemoryStream(); |
Jon Skeet | 0e0e0c9 | 2015-08-03 11:08:53 +0100 | [diff] [blame] | 125 | var codedOutput = new CodedOutputStream(stream); |
Jon Skeet | f34d37a | 2015-06-30 13:16:20 +0100 | [diff] [blame] | 126 | codec.ValueWriter(codedOutput, sampleValue); |
| 127 | codedOutput.Flush(); |
| 128 | stream.Position = 0; |
Jon Skeet | 0e0e0c9 | 2015-08-03 11:08:53 +0100 | [diff] [blame] | 129 | var codedInput = new CodedInputStream(stream); |
Jon Skeet | f34d37a | 2015-06-30 13:16:20 +0100 | [diff] [blame] | 130 | Assert.AreEqual(sampleValue, codec.ValueReader(codedInput)); |
| 131 | Assert.IsTrue(codedInput.IsAtEnd); |
| 132 | } |
| 133 | |
| 134 | public void TestRoundTripWithTag() |
Jon Skeet | 286edc0 | 2015-06-26 20:11:34 +0100 | [diff] [blame] | 135 | { |
| 136 | var stream = new MemoryStream(); |
Jon Skeet | 0e0e0c9 | 2015-08-03 11:08:53 +0100 | [diff] [blame] | 137 | var codedOutput = new CodedOutputStream(stream); |
Jon Skeet | b9d1d38 | 2015-06-29 10:30:09 +0100 | [diff] [blame] | 138 | codec.WriteTagAndValue(codedOutput, sampleValue); |
Jon Skeet | 286edc0 | 2015-06-26 20:11:34 +0100 | [diff] [blame] | 139 | codedOutput.Flush(); |
| 140 | stream.Position = 0; |
Jon Skeet | 0e0e0c9 | 2015-08-03 11:08:53 +0100 | [diff] [blame] | 141 | var codedInput = new CodedInputStream(stream); |
Jon Skeet | f34d37a | 2015-06-30 13:16:20 +0100 | [diff] [blame] | 142 | codedInput.AssertNextTag(codec.Tag); |
Jon Skeet | 286edc0 | 2015-06-26 20:11:34 +0100 | [diff] [blame] | 143 | Assert.AreEqual(sampleValue, codec.Read(codedInput)); |
| 144 | Assert.IsTrue(codedInput.IsAtEnd); |
| 145 | } |
| 146 | |
Jon Skeet | f34d37a | 2015-06-30 13:16:20 +0100 | [diff] [blame] | 147 | public void TestCalculateSizeWithTag() |
Jon Skeet | 286edc0 | 2015-06-26 20:11:34 +0100 | [diff] [blame] | 148 | { |
| 149 | var stream = new MemoryStream(); |
Jon Skeet | 0e0e0c9 | 2015-08-03 11:08:53 +0100 | [diff] [blame] | 150 | var codedOutput = new CodedOutputStream(stream); |
Jon Skeet | b9d1d38 | 2015-06-29 10:30:09 +0100 | [diff] [blame] | 151 | codec.WriteTagAndValue(codedOutput, sampleValue); |
Jon Skeet | 286edc0 | 2015-06-26 20:11:34 +0100 | [diff] [blame] | 152 | codedOutput.Flush(); |
Jon Skeet | b9d1d38 | 2015-06-29 10:30:09 +0100 | [diff] [blame] | 153 | Assert.AreEqual(stream.Position, codec.CalculateSizeWithTag(sampleValue)); |
Jon Skeet | 286edc0 | 2015-06-26 20:11:34 +0100 | [diff] [blame] | 154 | } |
| 155 | |
| 156 | public void TestDefaultValue() |
| 157 | { |
Jon Skeet | f34d37a | 2015-06-30 13:16:20 +0100 | [diff] [blame] | 158 | // WriteTagAndValue ignores default values |
Jon Skeet | 286edc0 | 2015-06-26 20:11:34 +0100 | [diff] [blame] | 159 | var stream = new MemoryStream(); |
Jon Skeet | 0e0e0c9 | 2015-08-03 11:08:53 +0100 | [diff] [blame] | 160 | var codedOutput = new CodedOutputStream(stream); |
Jon Skeet | b9d1d38 | 2015-06-29 10:30:09 +0100 | [diff] [blame] | 161 | codec.WriteTagAndValue(codedOutput, codec.DefaultValue); |
Jon Skeet | 286edc0 | 2015-06-26 20:11:34 +0100 | [diff] [blame] | 162 | codedOutput.Flush(); |
| 163 | Assert.AreEqual(0, stream.Position); |
Jon Skeet | b9d1d38 | 2015-06-29 10:30:09 +0100 | [diff] [blame] | 164 | Assert.AreEqual(0, codec.CalculateSizeWithTag(codec.DefaultValue)); |
Jon Skeet | 286edc0 | 2015-06-26 20:11:34 +0100 | [diff] [blame] | 165 | if (typeof(T).IsValueType) |
| 166 | { |
| 167 | Assert.AreEqual(default(T), codec.DefaultValue); |
| 168 | } |
Jon Skeet | 286edc0 | 2015-06-26 20:11:34 +0100 | [diff] [blame] | 169 | |
Jon Skeet | f34d37a | 2015-06-30 13:16:20 +0100 | [diff] [blame] | 170 | // The plain ValueWriter/ValueReader delegates don't. |
| 171 | if (codec.DefaultValue != null) // This part isn't appropriate for message types. |
| 172 | { |
Jon Skeet | 0e0e0c9 | 2015-08-03 11:08:53 +0100 | [diff] [blame] | 173 | codedOutput = new CodedOutputStream(stream); |
Jon Skeet | f34d37a | 2015-06-30 13:16:20 +0100 | [diff] [blame] | 174 | codec.ValueWriter(codedOutput, codec.DefaultValue); |
| 175 | codedOutput.Flush(); |
| 176 | Assert.AreNotEqual(0, stream.Position); |
| 177 | Assert.AreEqual(stream.Position, codec.ValueSizeCalculator(codec.DefaultValue)); |
| 178 | stream.Position = 0; |
Jon Skeet | 0e0e0c9 | 2015-08-03 11:08:53 +0100 | [diff] [blame] | 179 | var codedInput = new CodedInputStream(stream); |
Jon Skeet | f34d37a | 2015-06-30 13:16:20 +0100 | [diff] [blame] | 180 | Assert.AreEqual(codec.DefaultValue, codec.ValueReader(codedInput)); |
| 181 | } |
| 182 | } |
Jon Skeet | 286edc0 | 2015-06-26 20:11:34 +0100 | [diff] [blame] | 183 | |
Jon Skeet | 14f2222 | 2015-07-03 11:41:37 +0100 | [diff] [blame] | 184 | public void TestFixedSize() |
| 185 | { |
| 186 | Assert.AreEqual(name.Contains("Fixed"), codec.FixedSize != 0); |
| 187 | } |
| 188 | |
Jon Skeet | 286edc0 | 2015-06-26 20:11:34 +0100 | [diff] [blame] | 189 | public override string ToString() |
| 190 | { |
| 191 | return name; |
| 192 | } |
| 193 | } |
| 194 | } |
| 195 | } |