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Diffstat (limited to 'csharp/ProtocolBuffers.Test/CodedOutputStreamTest.cs')
| -rw-r--r-- | csharp/ProtocolBuffers.Test/CodedOutputStreamTest.cs | 239 |
1 files changed, 0 insertions, 239 deletions
diff --git a/csharp/ProtocolBuffers.Test/CodedOutputStreamTest.cs b/csharp/ProtocolBuffers.Test/CodedOutputStreamTest.cs deleted file mode 100644 index d6a4e672..00000000 --- a/csharp/ProtocolBuffers.Test/CodedOutputStreamTest.cs +++ /dev/null @@ -1,239 +0,0 @@ -// Protocol Buffers - Google's data interchange format -// Copyright 2008 Google Inc. -// http://code.google.com/p/protobuf/ -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// http://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. -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()); - } - } - - - [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))); - } - } -} |