diff options
Diffstat (limited to 'src/ProtocolBuffers.Test/CodedOutputStreamTest.cs')
| -rw-r--r-- | src/ProtocolBuffers.Test/CodedOutputStreamTest.cs | 562 |
1 files changed, 292 insertions, 270 deletions
diff --git a/src/ProtocolBuffers.Test/CodedOutputStreamTest.cs b/src/ProtocolBuffers.Test/CodedOutputStreamTest.cs index a8291a23..3dd2e0c3 100644 --- a/src/ProtocolBuffers.Test/CodedOutputStreamTest.cs +++ b/src/ProtocolBuffers.Test/CodedOutputStreamTest.cs @@ -1,270 +1,292 @@ -#region Copyright notice and license -// Protocol Buffers - Google's data interchange format -// Copyright 2008 Google Inc. All rights reserved. -// http://github.com/jskeet/dotnet-protobufs/ -// Original C++/Java/Python code: -// http://code.google.com/p/protobuf/ -// -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following disclaimer -// in the documentation and/or other materials provided with the -// distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived from -// this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -#endregion - -using System.IO; -using Google.ProtocolBuffers.TestProtos; -using NUnit.Framework; - -namespace Google.ProtocolBuffers { - [TestFixture] - public class CodedOutputStreamTest { - - /// <summary> - /// Writes the given value using WriteRawVarint32() and WriteRawVarint64() and - /// checks that the result matches the given bytes - /// </summary> - private static void AssertWriteVarint(byte[] data, ulong value) { - // Only do 32-bit write if the value fits in 32 bits. - if ((value >> 32) == 0) { - MemoryStream rawOutput = new MemoryStream(); - CodedOutputStream output = CodedOutputStream.CreateInstance(rawOutput); - output.WriteRawVarint32((uint) value); - output.Flush(); - Assert.AreEqual(data, rawOutput.ToArray()); - // Also try computing size. - Assert.AreEqual(data.Length, CodedOutputStream.ComputeRawVarint32Size((uint) value)); - } - - { - MemoryStream rawOutput = new MemoryStream(); - CodedOutputStream output = CodedOutputStream.CreateInstance(rawOutput); - output.WriteRawVarint64(value); - output.Flush(); - Assert.AreEqual(data, rawOutput.ToArray()); - - // Also try computing size. - Assert.AreEqual(data.Length, CodedOutputStream.ComputeRawVarint64Size(value)); - } - - // Try different buffer sizes. - for (int bufferSize = 1; bufferSize <= 16; bufferSize *= 2) { - // Only do 32-bit write if the value fits in 32 bits. - if ((value >> 32) == 0) { - MemoryStream rawOutput = new MemoryStream(); - CodedOutputStream output = - CodedOutputStream.CreateInstance(rawOutput, bufferSize); - output.WriteRawVarint32((uint) value); - output.Flush(); - Assert.AreEqual(data, rawOutput.ToArray()); - } - - { - MemoryStream rawOutput = new MemoryStream(); - CodedOutputStream output = CodedOutputStream.CreateInstance(rawOutput, bufferSize); - output.WriteRawVarint64(value); - output.Flush(); - Assert.AreEqual(data, rawOutput.ToArray()); - } - } - } - - /// <summary> - /// Tests WriteRawVarint32() and WriteRawVarint64() - /// </summary> - [Test] - public void WriteVarint() { - AssertWriteVarint(new byte[] {0x00}, 0); - AssertWriteVarint(new byte[] {0x01}, 1); - AssertWriteVarint(new byte[] {0x7f}, 127); - // 14882 - AssertWriteVarint(new byte[] {0xa2, 0x74}, (0x22 << 0) | (0x74 << 7)); - // 2961488830 - AssertWriteVarint(new byte[] {0xbe, 0xf7, 0x92, 0x84, 0x0b}, - (0x3e << 0) | (0x77 << 7) | (0x12 << 14) | (0x04 << 21) | - (0x0bL << 28)); - - // 64-bit - // 7256456126 - AssertWriteVarint(new byte[] {0xbe, 0xf7, 0x92, 0x84, 0x1b}, - (0x3e << 0) | (0x77 << 7) | (0x12 << 14) | (0x04 << 21) | - (0x1bL << 28)); - // 41256202580718336 - AssertWriteVarint( - new byte[] {0x80, 0xe6, 0xeb, 0x9c, 0xc3, 0xc9, 0xa4, 0x49}, - (0x00 << 0) | (0x66 << 7) | (0x6b << 14) | (0x1c << 21) | - (0x43UL << 28) | (0x49L << 35) | (0x24UL << 42) | (0x49UL << 49)); - // 11964378330978735131 - AssertWriteVarint( - new byte[] {0x9b, 0xa8, 0xf9, 0xc2, 0xbb, 0xd6, 0x80, 0x85, 0xa6, 0x01}, - unchecked((ulong) - ((0x1b << 0) | (0x28 << 7) | (0x79 << 14) | (0x42 << 21) | - (0x3bL << 28) | (0x56L << 35) | (0x00L << 42) | - (0x05L << 49) | (0x26L << 56) | (0x01L << 63)))); - } - - /// <summary> - /// Parses the given bytes using WriteRawLittleEndian32() and checks - /// that the result matches the given value. - /// </summary> - private static void AssertWriteLittleEndian32(byte[] data, uint value) { - MemoryStream rawOutput = new MemoryStream(); - CodedOutputStream output = CodedOutputStream.CreateInstance(rawOutput); - output.WriteRawLittleEndian32(value); - output.Flush(); - Assert.AreEqual(data, rawOutput.ToArray()); - - // Try different buffer sizes. - for (int bufferSize = 1; bufferSize <= 16; bufferSize *= 2) { - rawOutput = new MemoryStream(); - output = CodedOutputStream.CreateInstance(rawOutput, bufferSize); - output.WriteRawLittleEndian32(value); - output.Flush(); - Assert.AreEqual(data, rawOutput.ToArray()); - } - } - - /// <summary> - /// Parses the given bytes using WriteRawLittleEndian64() and checks - /// that the result matches the given value. - /// </summary> - private static void AssertWriteLittleEndian64(byte[] data, ulong value) { - MemoryStream rawOutput = new MemoryStream(); - CodedOutputStream output = CodedOutputStream.CreateInstance(rawOutput); - output.WriteRawLittleEndian64(value); - output.Flush(); - Assert.AreEqual(data, rawOutput.ToArray()); - - // Try different block sizes. - for (int blockSize = 1; blockSize <= 16; blockSize *= 2) { - rawOutput = new MemoryStream(); - output = CodedOutputStream.CreateInstance(rawOutput, blockSize); - output.WriteRawLittleEndian64(value); - output.Flush(); - Assert.AreEqual(data, rawOutput.ToArray()); - } - } - - /// <summary> - /// Tests writeRawLittleEndian32() and writeRawLittleEndian64(). - /// </summary> - [Test] - public void WriteLittleEndian() { - AssertWriteLittleEndian32(new byte[] {0x78, 0x56, 0x34, 0x12}, 0x12345678); - AssertWriteLittleEndian32(new byte[] {0xf0, 0xde, 0xbc, 0x9a}, 0x9abcdef0); - - AssertWriteLittleEndian64( - new byte[]{0xf0, 0xde, 0xbc, 0x9a, 0x78, 0x56, 0x34, 0x12}, - 0x123456789abcdef0L); - AssertWriteLittleEndian64( - new byte[]{0x78, 0x56, 0x34, 0x12, 0xf0, 0xde, 0xbc, 0x9a}, - 0x9abcdef012345678UL); - } - - [Test] - public void WriteWholeMessage() { - TestAllTypes message = TestUtil.GetAllSet(); - - byte[] rawBytes = message.ToByteArray(); - TestUtil.AssertEqualBytes(TestUtil.GoldenMessage.ToByteArray(), rawBytes); - - // Try different block sizes. - for (int blockSize = 1; blockSize < 256; blockSize *= 2) { - MemoryStream rawOutput = new MemoryStream(); - CodedOutputStream output = - CodedOutputStream.CreateInstance(rawOutput, blockSize); - message.WriteTo(output); - output.Flush(); - TestUtil.AssertEqualBytes(rawBytes, rawOutput.ToArray()); - } - } - - /// <summary> - /// Tests writing a whole message with every packed field type. Ensures the - /// wire format of packed fields is compatible with C++. - /// </summary> - [Test] - public void WriteWholePackedFieldsMessage() { - TestPackedTypes message = TestUtil.GetPackedSet(); - - byte[] rawBytes = message.ToByteArray(); - TestUtil.AssertEqualBytes(TestUtil.GetGoldenPackedFieldsMessage().ToByteArray(), - rawBytes); - } - - [Test] - public void EncodeZigZag32() { - Assert.AreEqual(0, CodedOutputStream.EncodeZigZag32( 0)); - Assert.AreEqual(1, CodedOutputStream.EncodeZigZag32(-1)); - Assert.AreEqual(2, CodedOutputStream.EncodeZigZag32( 1)); - Assert.AreEqual(3, CodedOutputStream.EncodeZigZag32(-2)); - Assert.AreEqual(0x7FFFFFFE, CodedOutputStream.EncodeZigZag32(0x3FFFFFFF)); - Assert.AreEqual(0x7FFFFFFF, CodedOutputStream.EncodeZigZag32(unchecked((int)0xC0000000))); - Assert.AreEqual(0xFFFFFFFE, CodedOutputStream.EncodeZigZag32(0x7FFFFFFF)); - Assert.AreEqual(0xFFFFFFFF, CodedOutputStream.EncodeZigZag32(unchecked((int)0x80000000))); - } - - [Test] - public void EncodeZigZag64() { - Assert.AreEqual(0, CodedOutputStream.EncodeZigZag64( 0)); - Assert.AreEqual(1, CodedOutputStream.EncodeZigZag64(-1)); - Assert.AreEqual(2, CodedOutputStream.EncodeZigZag64( 1)); - Assert.AreEqual(3, CodedOutputStream.EncodeZigZag64(-2)); - Assert.AreEqual(0x000000007FFFFFFEL, - CodedOutputStream.EncodeZigZag64(unchecked((long)0x000000003FFFFFFFUL))); - Assert.AreEqual(0x000000007FFFFFFFL, - CodedOutputStream.EncodeZigZag64(unchecked((long)0xFFFFFFFFC0000000UL))); - Assert.AreEqual(0x00000000FFFFFFFEL, - CodedOutputStream.EncodeZigZag64(unchecked((long)0x000000007FFFFFFFUL))); - Assert.AreEqual(0x00000000FFFFFFFFL, - CodedOutputStream.EncodeZigZag64(unchecked((long)0xFFFFFFFF80000000UL))); - Assert.AreEqual(0xFFFFFFFFFFFFFFFEL, - CodedOutputStream.EncodeZigZag64(unchecked((long)0x7FFFFFFFFFFFFFFFUL))); - Assert.AreEqual(0xFFFFFFFFFFFFFFFFL, - CodedOutputStream.EncodeZigZag64(unchecked((long)0x8000000000000000UL))); - } - - [Test] - public void RoundTripZigZag32() { - // Some easier-to-verify round-trip tests. The inputs (other than 0, 1, -1) - // were chosen semi-randomly via keyboard bashing. - Assert.AreEqual(0, CodedInputStream.DecodeZigZag32(CodedOutputStream.EncodeZigZag32(0))); - Assert.AreEqual(1, CodedInputStream.DecodeZigZag32(CodedOutputStream.EncodeZigZag32(1))); - Assert.AreEqual(-1, CodedInputStream.DecodeZigZag32(CodedOutputStream.EncodeZigZag32(-1))); - Assert.AreEqual(14927, CodedInputStream.DecodeZigZag32(CodedOutputStream.EncodeZigZag32(14927))); - Assert.AreEqual(-3612, CodedInputStream.DecodeZigZag32(CodedOutputStream.EncodeZigZag32(-3612))); - } - - [Test] - public void RoundTripZigZag64() { - Assert.AreEqual(0, CodedInputStream.DecodeZigZag64(CodedOutputStream.EncodeZigZag64(0))); - Assert.AreEqual(1, CodedInputStream.DecodeZigZag64(CodedOutputStream.EncodeZigZag64(1))); - Assert.AreEqual(-1, CodedInputStream.DecodeZigZag64(CodedOutputStream.EncodeZigZag64(-1))); - Assert.AreEqual(14927, CodedInputStream.DecodeZigZag64(CodedOutputStream.EncodeZigZag64(14927))); - Assert.AreEqual(-3612, CodedInputStream.DecodeZigZag64(CodedOutputStream.EncodeZigZag64(-3612))); - - Assert.AreEqual(856912304801416L, CodedInputStream.DecodeZigZag64(CodedOutputStream.EncodeZigZag64(856912304801416L))); - Assert.AreEqual(-75123905439571256L, CodedInputStream.DecodeZigZag64(CodedOutputStream.EncodeZigZag64(-75123905439571256L))); - } - } -} +#region Copyright notice and license
+
+// Protocol Buffers - Google's data interchange format
+// Copyright 2008 Google Inc. All rights reserved.
+// http://github.com/jskeet/dotnet-protobufs/
+// Original C++/Java/Python code:
+// http://code.google.com/p/protobuf/
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+// * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
+using System.IO;
+using Google.ProtocolBuffers.TestProtos;
+using NUnit.Framework;
+
+namespace Google.ProtocolBuffers
+{
+ [TestFixture]
+ public class CodedOutputStreamTest
+ {
+ /// <summary>
+ /// Writes the given value using WriteRawVarint32() and WriteRawVarint64() and
+ /// checks that the result matches the given bytes
+ /// </summary>
+ private static void AssertWriteVarint(byte[] data, ulong value)
+ {
+ // Only do 32-bit write if the value fits in 32 bits.
+ if ((value >> 32) == 0)
+ {
+ MemoryStream rawOutput = new MemoryStream();
+ CodedOutputStream output = CodedOutputStream.CreateInstance(rawOutput);
+ output.WriteRawVarint32((uint) value);
+ output.Flush();
+ Assert.AreEqual(data, rawOutput.ToArray());
+ // Also try computing size.
+ Assert.AreEqual(data.Length, CodedOutputStream.ComputeRawVarint32Size((uint) value));
+ }
+
+ {
+ MemoryStream rawOutput = new MemoryStream();
+ CodedOutputStream output = CodedOutputStream.CreateInstance(rawOutput);
+ output.WriteRawVarint64(value);
+ output.Flush();
+ Assert.AreEqual(data, rawOutput.ToArray());
+
+ // Also try computing size.
+ Assert.AreEqual(data.Length, CodedOutputStream.ComputeRawVarint64Size(value));
+ }
+
+ // Try different buffer sizes.
+ for (int bufferSize = 1; bufferSize <= 16; bufferSize *= 2)
+ {
+ // Only do 32-bit write if the value fits in 32 bits.
+ if ((value >> 32) == 0)
+ {
+ MemoryStream rawOutput = new MemoryStream();
+ CodedOutputStream output =
+ CodedOutputStream.CreateInstance(rawOutput, bufferSize);
+ output.WriteRawVarint32((uint) value);
+ output.Flush();
+ Assert.AreEqual(data, rawOutput.ToArray());
+ }
+
+ {
+ MemoryStream rawOutput = new MemoryStream();
+ CodedOutputStream output = CodedOutputStream.CreateInstance(rawOutput, bufferSize);
+ output.WriteRawVarint64(value);
+ output.Flush();
+ Assert.AreEqual(data, rawOutput.ToArray());
+ }
+ }
+ }
+
+ /// <summary>
+ /// Tests WriteRawVarint32() and WriteRawVarint64()
+ /// </summary>
+ [Test]
+ public void WriteVarint()
+ {
+ AssertWriteVarint(new byte[] {0x00}, 0);
+ AssertWriteVarint(new byte[] {0x01}, 1);
+ AssertWriteVarint(new byte[] {0x7f}, 127);
+ // 14882
+ AssertWriteVarint(new byte[] {0xa2, 0x74}, (0x22 << 0) | (0x74 << 7));
+ // 2961488830
+ AssertWriteVarint(new byte[] {0xbe, 0xf7, 0x92, 0x84, 0x0b},
+ (0x3e << 0) | (0x77 << 7) | (0x12 << 14) | (0x04 << 21) |
+ (0x0bL << 28));
+
+ // 64-bit
+ // 7256456126
+ AssertWriteVarint(new byte[] {0xbe, 0xf7, 0x92, 0x84, 0x1b},
+ (0x3e << 0) | (0x77 << 7) | (0x12 << 14) | (0x04 << 21) |
+ (0x1bL << 28));
+ // 41256202580718336
+ AssertWriteVarint(
+ new byte[] {0x80, 0xe6, 0xeb, 0x9c, 0xc3, 0xc9, 0xa4, 0x49},
+ (0x00 << 0) | (0x66 << 7) | (0x6b << 14) | (0x1c << 21) |
+ (0x43UL << 28) | (0x49L << 35) | (0x24UL << 42) | (0x49UL << 49));
+ // 11964378330978735131
+ AssertWriteVarint(
+ new byte[] {0x9b, 0xa8, 0xf9, 0xc2, 0xbb, 0xd6, 0x80, 0x85, 0xa6, 0x01},
+ unchecked((ulong)
+ ((0x1b << 0) | (0x28 << 7) | (0x79 << 14) | (0x42 << 21) |
+ (0x3bL << 28) | (0x56L << 35) | (0x00L << 42) |
+ (0x05L << 49) | (0x26L << 56) | (0x01L << 63))));
+ }
+
+ /// <summary>
+ /// Parses the given bytes using WriteRawLittleEndian32() and checks
+ /// that the result matches the given value.
+ /// </summary>
+ private static void AssertWriteLittleEndian32(byte[] data, uint value)
+ {
+ MemoryStream rawOutput = new MemoryStream();
+ CodedOutputStream output = CodedOutputStream.CreateInstance(rawOutput);
+ output.WriteRawLittleEndian32(value);
+ output.Flush();
+ Assert.AreEqual(data, rawOutput.ToArray());
+
+ // Try different buffer sizes.
+ for (int bufferSize = 1; bufferSize <= 16; bufferSize *= 2)
+ {
+ rawOutput = new MemoryStream();
+ output = CodedOutputStream.CreateInstance(rawOutput, bufferSize);
+ output.WriteRawLittleEndian32(value);
+ output.Flush();
+ Assert.AreEqual(data, rawOutput.ToArray());
+ }
+ }
+
+ /// <summary>
+ /// Parses the given bytes using WriteRawLittleEndian64() and checks
+ /// that the result matches the given value.
+ /// </summary>
+ private static void AssertWriteLittleEndian64(byte[] data, ulong value)
+ {
+ MemoryStream rawOutput = new MemoryStream();
+ CodedOutputStream output = CodedOutputStream.CreateInstance(rawOutput);
+ output.WriteRawLittleEndian64(value);
+ output.Flush();
+ Assert.AreEqual(data, rawOutput.ToArray());
+
+ // Try different block sizes.
+ for (int blockSize = 1; blockSize <= 16; blockSize *= 2)
+ {
+ rawOutput = new MemoryStream();
+ output = CodedOutputStream.CreateInstance(rawOutput, blockSize);
+ output.WriteRawLittleEndian64(value);
+ output.Flush();
+ Assert.AreEqual(data, rawOutput.ToArray());
+ }
+ }
+
+ /// <summary>
+ /// Tests writeRawLittleEndian32() and writeRawLittleEndian64().
+ /// </summary>
+ [Test]
+ public void WriteLittleEndian()
+ {
+ AssertWriteLittleEndian32(new byte[] {0x78, 0x56, 0x34, 0x12}, 0x12345678);
+ AssertWriteLittleEndian32(new byte[] {0xf0, 0xde, 0xbc, 0x9a}, 0x9abcdef0);
+
+ AssertWriteLittleEndian64(
+ new byte[] {0xf0, 0xde, 0xbc, 0x9a, 0x78, 0x56, 0x34, 0x12},
+ 0x123456789abcdef0L);
+ AssertWriteLittleEndian64(
+ new byte[] {0x78, 0x56, 0x34, 0x12, 0xf0, 0xde, 0xbc, 0x9a},
+ 0x9abcdef012345678UL);
+ }
+
+ [Test]
+ public void WriteWholeMessage()
+ {
+ TestAllTypes message = TestUtil.GetAllSet();
+
+ byte[] rawBytes = message.ToByteArray();
+ TestUtil.AssertEqualBytes(TestUtil.GoldenMessage.ToByteArray(), rawBytes);
+
+ // Try different block sizes.
+ for (int blockSize = 1; blockSize < 256; blockSize *= 2)
+ {
+ MemoryStream rawOutput = new MemoryStream();
+ CodedOutputStream output =
+ CodedOutputStream.CreateInstance(rawOutput, blockSize);
+ message.WriteTo(output);
+ output.Flush();
+ TestUtil.AssertEqualBytes(rawBytes, rawOutput.ToArray());
+ }
+ }
+
+ /// <summary>
+ /// Tests writing a whole message with every packed field type. Ensures the
+ /// wire format of packed fields is compatible with C++.
+ /// </summary>
+ [Test]
+ public void WriteWholePackedFieldsMessage()
+ {
+ TestPackedTypes message = TestUtil.GetPackedSet();
+
+ byte[] rawBytes = message.ToByteArray();
+ TestUtil.AssertEqualBytes(TestUtil.GetGoldenPackedFieldsMessage().ToByteArray(),
+ rawBytes);
+ }
+
+ [Test]
+ public void EncodeZigZag32()
+ {
+ Assert.AreEqual(0, CodedOutputStream.EncodeZigZag32(0));
+ Assert.AreEqual(1, CodedOutputStream.EncodeZigZag32(-1));
+ Assert.AreEqual(2, CodedOutputStream.EncodeZigZag32(1));
+ Assert.AreEqual(3, CodedOutputStream.EncodeZigZag32(-2));
+ Assert.AreEqual(0x7FFFFFFE, CodedOutputStream.EncodeZigZag32(0x3FFFFFFF));
+ Assert.AreEqual(0x7FFFFFFF, CodedOutputStream.EncodeZigZag32(unchecked((int) 0xC0000000)));
+ Assert.AreEqual(0xFFFFFFFE, CodedOutputStream.EncodeZigZag32(0x7FFFFFFF));
+ Assert.AreEqual(0xFFFFFFFF, CodedOutputStream.EncodeZigZag32(unchecked((int) 0x80000000)));
+ }
+
+ [Test]
+ public void EncodeZigZag64()
+ {
+ Assert.AreEqual(0, CodedOutputStream.EncodeZigZag64(0));
+ Assert.AreEqual(1, CodedOutputStream.EncodeZigZag64(-1));
+ Assert.AreEqual(2, CodedOutputStream.EncodeZigZag64(1));
+ Assert.AreEqual(3, CodedOutputStream.EncodeZigZag64(-2));
+ Assert.AreEqual(0x000000007FFFFFFEL,
+ CodedOutputStream.EncodeZigZag64(unchecked((long) 0x000000003FFFFFFFUL)));
+ Assert.AreEqual(0x000000007FFFFFFFL,
+ CodedOutputStream.EncodeZigZag64(unchecked((long) 0xFFFFFFFFC0000000UL)));
+ Assert.AreEqual(0x00000000FFFFFFFEL,
+ CodedOutputStream.EncodeZigZag64(unchecked((long) 0x000000007FFFFFFFUL)));
+ Assert.AreEqual(0x00000000FFFFFFFFL,
+ CodedOutputStream.EncodeZigZag64(unchecked((long) 0xFFFFFFFF80000000UL)));
+ Assert.AreEqual(0xFFFFFFFFFFFFFFFEL,
+ CodedOutputStream.EncodeZigZag64(unchecked((long) 0x7FFFFFFFFFFFFFFFUL)));
+ Assert.AreEqual(0xFFFFFFFFFFFFFFFFL,
+ CodedOutputStream.EncodeZigZag64(unchecked((long) 0x8000000000000000UL)));
+ }
+
+ [Test]
+ public void RoundTripZigZag32()
+ {
+ // Some easier-to-verify round-trip tests. The inputs (other than 0, 1, -1)
+ // were chosen semi-randomly via keyboard bashing.
+ Assert.AreEqual(0, CodedInputStream.DecodeZigZag32(CodedOutputStream.EncodeZigZag32(0)));
+ Assert.AreEqual(1, CodedInputStream.DecodeZigZag32(CodedOutputStream.EncodeZigZag32(1)));
+ Assert.AreEqual(-1, CodedInputStream.DecodeZigZag32(CodedOutputStream.EncodeZigZag32(-1)));
+ Assert.AreEqual(14927, CodedInputStream.DecodeZigZag32(CodedOutputStream.EncodeZigZag32(14927)));
+ Assert.AreEqual(-3612, CodedInputStream.DecodeZigZag32(CodedOutputStream.EncodeZigZag32(-3612)));
+ }
+
+ [Test]
+ public void RoundTripZigZag64()
+ {
+ Assert.AreEqual(0, CodedInputStream.DecodeZigZag64(CodedOutputStream.EncodeZigZag64(0)));
+ Assert.AreEqual(1, CodedInputStream.DecodeZigZag64(CodedOutputStream.EncodeZigZag64(1)));
+ Assert.AreEqual(-1, CodedInputStream.DecodeZigZag64(CodedOutputStream.EncodeZigZag64(-1)));
+ Assert.AreEqual(14927, CodedInputStream.DecodeZigZag64(CodedOutputStream.EncodeZigZag64(14927)));
+ Assert.AreEqual(-3612, CodedInputStream.DecodeZigZag64(CodedOutputStream.EncodeZigZag64(-3612)));
+
+ Assert.AreEqual(856912304801416L,
+ CodedInputStream.DecodeZigZag64(CodedOutputStream.EncodeZigZag64(856912304801416L)));
+ Assert.AreEqual(-75123905439571256L,
+ CodedInputStream.DecodeZigZag64(CodedOutputStream.EncodeZigZag64(-75123905439571256L)));
+ }
+ }
+}
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