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public static CreateInstance ( Stream output ) : |
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| output | Stream | |
| 리턴 | ||
public void TestSlowPathAvoidance()
{
using (var ms = new MemoryStream())
{
CodedOutputStream output = CodedOutputStream.CreateInstance(ms);
output.WriteField(FieldType.Bytes, 1, "bytes", ByteString.CopyFrom(new byte[100]));
output.WriteField(FieldType.Bytes, 2, "bytes", ByteString.CopyFrom(new byte[100]));
output.Flush();
ms.Position = 0;
CodedInputStream input = CodedInputStream.CreateInstance(ms, new byte[ms.Length / 2]);
uint tag;
string ignore;
ByteString value;
Assert.IsTrue(input.ReadTag(out tag, out ignore));
Assert.AreEqual(1, WireFormat.GetTagFieldNumber(tag));
value = ByteString.Empty;
Assert.IsTrue(input.ReadBytes(ref value) && value.Length == 100);
Assert.IsTrue(input.ReadTag(out tag, out ignore));
Assert.AreEqual(2, WireFormat.GetTagFieldNumber(tag));
value = ByteString.Empty;
Assert.IsTrue(input.ReadBytes(ref value) && value.Length == 100);
}
}
public void ReadInvalidUtf8()
{
MemoryStream ms = new MemoryStream();
CodedOutputStream output = CodedOutputStream.CreateInstance(ms);
uint tag = WireFormat.MakeTag(1, WireFormat.WireType.LengthDelimited);
output.WriteRawVarint32(tag);
output.WriteRawVarint32(1);
output.WriteRawBytes(new byte[] { 0x80 });
output.Flush();
ms.Position = 0;
CodedInputStream input = CodedInputStream.CreateInstance(ms);
uint testtag;
string ignored;
Assert.IsTrue(input.ReadTag(out testtag, out ignored));
Assert.AreEqual(tag, testtag);
string text = null;
input.ReadString(ref text);
Assert.AreEqual('\ufffd', text[0]);
}
public void TestNegativeEnumArray()
{
int arraySize = 1 + 1 + (11 * 5);
int msgSize = arraySize;
byte[] bytes = new byte[msgSize];
CodedOutputStream output = CodedOutputStream.CreateInstance(bytes);
output.WriteInt32Array(8, "", new int[] { 0, -1, -2, -3, -4, -5 });
Assert.AreEqual(0, output.SpaceLeft);
CodedInputStream input = CodedInputStream.CreateInstance(bytes);
uint tag;
string name;
Assert.IsTrue(input.ReadTag(out tag, out name));
List <TestNegEnum> values = new List <TestNegEnum>();
ICollection <object> unk;
input.ReadEnumArray(tag, name, values, out unk);
Assert.AreEqual(2, values.Count);
Assert.AreEqual(TestNegEnum.None, values[0]);
Assert.AreEqual(TestNegEnum.Value, values[1]);
Assert.IsNotNull(unk);
Assert.AreEqual(4, unk.Count);
}
public void ReadMaliciouslyLargeBlob()
{
MemoryStream ms = new MemoryStream();
CodedOutputStream output = CodedOutputStream.CreateInstance(ms);
uint tag = WireFormat.MakeTag(1, WireFormat.WireType.LengthDelimited);
output.WriteRawVarint32(tag);
output.WriteRawVarint32(0x7FFFFFFF);
output.WriteRawBytes(new byte[32]); // Pad with a few random bytes.
output.Flush();
ms.Position = 0;
CodedInputStream input = CodedInputStream.CreateInstance(ms);
uint testtag;
string ignore;
Assert.IsTrue(input.ReadTag(out testtag, out ignore));
Assert.AreEqual(tag, testtag);
try
{
ByteString bytes = null;
input.ReadBytes(ref bytes);
Assert.Fail("Should have thrown an exception!");
}
catch (InvalidProtocolBufferException)
{
// success.
}
}
public void TestRoundTripNegativeEnums()
{
NegativeEnumMessage msg = NegativeEnumMessage.CreateBuilder()
.SetValue(NegativeEnum.MinusOne) //11
.AddValues(NegativeEnum.Zero) //2
.AddValues(NegativeEnum.MinusOne) //11
.AddValues(NegativeEnum.FiveBelow) //11
//2
.AddPackedValues(NegativeEnum.Zero) //1
.AddPackedValues(NegativeEnum.MinusOne) //10
.AddPackedValues(NegativeEnum.FiveBelow) //10
.Build();
Assert.AreEqual(58, msg.SerializedSize);
byte[] bytes = new byte[58];
CodedOutputStream output = CodedOutputStream.CreateInstance(bytes);
msg.WriteTo(output);
Assert.AreEqual(0, output.SpaceLeft);
NegativeEnumMessage copy = NegativeEnumMessage.ParseFrom(bytes);
Assert.AreEqual(msg, copy);
}
/// <summary>
/// Serializes the message and writes it to <paramref name="output"/>. This is
/// just a trivial wrapper around WriteTo(ICodedOutputStream).
/// </summary>
/// <param name="output"></param>
public void WriteTo(Stream output)
{
CodedOutputStream codedOutput = CodedOutputStream.CreateInstance(output);
WriteTo(codedOutput);
codedOutput.Flush();
}
public void TestNegativeEnumArray()
{
int arraySize = 1 + 1 + (11 * 5);
int msgSize = arraySize;
byte[] bytes = new byte[msgSize];
CodedOutputStream output = CodedOutputStream.CreateInstance(bytes);
output.WriteEnumArray(8, "", new int[] { 0, -1, -2, -3, -4, -5 });
Assert.AreEqual(0, output.SpaceLeft);
CodedInputStream input = CodedInputStream.CreateInstance(bytes);
uint tag;
string name;
Assert.IsTrue(input.ReadTag(out tag, out name));
List <int> values = new List <int>();
input.ReadInt32Array(tag, name, values);
Assert.AreEqual(6, values.Count);
for (int i = 0; i > -6; i--)
{
Assert.AreEqual(i, values[Math.Abs(i)]);
}
}
public void ReadMaliciouslyLargeBlob()
{
MemoryStream ms = new MemoryStream();
CodedOutputStream output = CodedOutputStream.CreateInstance(ms);
uint tag = WireFormat.MakeTag(1, WireFormat.WireType.LengthDelimited);
output.WriteRawVarint32(tag);
output.WriteRawVarint32(0x7FFFFFFF);
output.WriteRawBytes(new byte[32]); // Pad with a few random bytes.
output.Flush();
ms.Position = 0;
CodedInputStream input = CodedInputStream.CreateInstance(ms);
uint testtag;
string ignore;
Assert.IsTrue(input.ReadTag(out testtag, out ignore));
Assert.AreEqual(tag, testtag);
ByteString bytes = null;
// TODO(jonskeet): Should this be ArgumentNullException instead?
Assert.Throws <InvalidProtocolBufferException>(() => input.ReadBytes(ref bytes));
}
public void WriteDelimitedTo(Stream output)
{
CodedOutputStream codedOutput = CodedOutputStream.CreateInstance(output);
codedOutput.WriteRawVarint32((uint)SerializedSize);
WriteTo(codedOutput);
codedOutput.Flush();
}
public byte[] ToByteArray()
{
byte[] array = new byte[this.SerializedSize];
CodedOutputStream codedOutputStream = CodedOutputStream.CreateInstance(array);
this.WriteTo(codedOutputStream);
codedOutputStream.CheckNoSpaceLeft();
return(array);
}
/// <summary>
/// Serializes the message to a byte array and returns it. This is
/// just a trivial wrapper around WriteTo(ICodedOutputStream).
/// </summary>
/// <returns></returns>
public byte[] ToByteArray()
{
byte[] data = new byte[SerializedSize];
CodedOutputStream output = CodedOutputStream.CreateInstance(data);
WriteTo(output);
output.CheckNoSpaceLeft();
return(data);
}
public void TestNegativeEnumNoTag()
{
Assert.AreEqual(10, CodedOutputStream.ComputeInt32SizeNoTag(-2));
Assert.AreEqual(10, CodedOutputStream.ComputeEnumSizeNoTag(-2));
byte[] bytes = new byte[10];
CodedOutputStream output = CodedOutputStream.CreateInstance(bytes);
output.WriteEnumNoTag(-2);
Assert.AreEqual(0, output.SpaceLeft);
Assert.AreEqual("FE-FF-FF-FF-FF-FF-FF-FF-FF-01", BitConverter.ToString(bytes));
}
public void TestNegativeEnumWithTag()
{
Assert.AreEqual(11, CodedOutputStream.ComputeInt32Size(8, -2));
Assert.AreEqual(11, CodedOutputStream.ComputeEnumSize(8, -2));
byte[] bytes = new byte[11];
CodedOutputStream output = CodedOutputStream.CreateInstance(bytes);
output.WriteEnum(8, "", -2, -2);
Assert.AreEqual(0, output.SpaceLeft);
//fyi, 0x40 == 0x08 << 3 + 0, field num + wire format shift
Assert.AreEqual("40-FE-FF-FF-FF-FF-FF-FF-FF-FF-01", BitConverter.ToString(bytes));
}
/// <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());
}
}
}
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>
/// 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();
TestUtil.AssertBytesEqual(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();
TestUtil.AssertBytesEqual(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());
}
}
public void TestCodedInputOutputPosition()
{
byte[] content = new byte[110];
for (int i = 0; i < content.Length; i++)
{
content[i] = (byte)i;
}
byte[] child = new byte[120];
{
MemoryStream ms = new MemoryStream(child);
CodedOutputStream cout = CodedOutputStream.CreateInstance(ms, 20);
// Field 11: numeric value: 500
cout.WriteTag(11, WireFormat.WireType.Varint);
Assert.AreEqual(1, cout.Position);
cout.WriteInt32NoTag(500);
Assert.AreEqual(3, cout.Position);
//Field 12: length delimited 120 bytes
cout.WriteTag(12, WireFormat.WireType.LengthDelimited);
Assert.AreEqual(4, cout.Position);
cout.WriteBytesNoTag(ByteString.CopyFrom(content));
Assert.AreEqual(115, cout.Position);
// Field 13: fixed numeric value: 501
cout.WriteTag(13, WireFormat.WireType.Fixed32);
Assert.AreEqual(116, cout.Position);
cout.WriteSFixed32NoTag(501);
Assert.AreEqual(120, cout.Position);
cout.Flush();
}
byte[] bytes = new byte[130];
{
CodedOutputStream cout = CodedOutputStream.CreateInstance(bytes);
// Field 1: numeric value: 500
cout.WriteTag(1, WireFormat.WireType.Varint);
Assert.AreEqual(1, cout.Position);
cout.WriteInt32NoTag(500);
Assert.AreEqual(3, cout.Position);
//Field 2: length delimited 120 bytes
cout.WriteTag(2, WireFormat.WireType.LengthDelimited);
Assert.AreEqual(4, cout.Position);
cout.WriteBytesNoTag(ByteString.CopyFrom(child));
Assert.AreEqual(125, cout.Position);
// Field 3: fixed numeric value: 500
cout.WriteTag(3, WireFormat.WireType.Fixed32);
Assert.AreEqual(126, cout.Position);
cout.WriteSFixed32NoTag(501);
Assert.AreEqual(130, cout.Position);
cout.Flush();
}
//Now test Input stream:
{
CodedInputStream cin = CodedInputStream.CreateInstance(new MemoryStream(bytes), new byte[50]);
uint tag;
int intValue = 0;
string ignore;
Assert.AreEqual(0, cin.Position);
// Field 1:
Assert.IsTrue(cin.ReadTag(out tag, out ignore) && tag >> 3 == 1);
Assert.AreEqual(1, cin.Position);
Assert.IsTrue(cin.ReadInt32(ref intValue) && intValue == 500);
Assert.AreEqual(3, cin.Position);
//Field 2:
Assert.IsTrue(cin.ReadTag(out tag, out ignore) && tag >> 3 == 2);
Assert.AreEqual(4, cin.Position);
uint childlen = cin.ReadRawVarint32();
Assert.AreEqual(120u, childlen);
Assert.AreEqual(5, cin.Position);
int oldlimit = cin.PushLimit((int)childlen);
Assert.AreEqual(5, cin.Position);
// Now we are reading child message
{
// Field 11: numeric value: 500
Assert.IsTrue(cin.ReadTag(out tag, out ignore) && tag >> 3 == 11);
Assert.AreEqual(6, cin.Position);
Assert.IsTrue(cin.ReadInt32(ref intValue) && intValue == 500);
Assert.AreEqual(8, cin.Position);
//Field 12: length delimited 120 bytes
Assert.IsTrue(cin.ReadTag(out tag, out ignore) && tag >> 3 == 12);
Assert.AreEqual(9, cin.Position);
ByteString bstr = null;
Assert.IsTrue(cin.ReadBytes(ref bstr) && bstr.Length == 110 && bstr.ToByteArray()[109] == 109);
Assert.AreEqual(120, cin.Position);
// Field 13: fixed numeric value: 501
Assert.IsTrue(cin.ReadTag(out tag, out ignore) && tag >> 3 == 13);
// ROK - Previously broken here, this returned 126 failing to account for bufferSizeAfterLimit
Assert.AreEqual(121, cin.Position);
Assert.IsTrue(cin.ReadSFixed32(ref intValue) && intValue == 501);
Assert.AreEqual(125, cin.Position);
Assert.IsTrue(cin.IsAtEnd);
}
cin.PopLimit(oldlimit);
Assert.AreEqual(125, cin.Position);
// Field 3: fixed numeric value: 501
Assert.IsTrue(cin.ReadTag(out tag, out ignore) && tag >> 3 == 3);
Assert.AreEqual(126, cin.Position);
Assert.IsTrue(cin.ReadSFixed32(ref intValue) && intValue == 501);
Assert.AreEqual(130, cin.Position);
Assert.IsTrue(cin.IsAtEnd);
}
}
internal CodedBuilder(int size)
{
buffer = new byte[size];
output = CodedOutputStream.CreateInstance(buffer);
}
/// <summary>
/// Creates an instance which writes to the given stream.
/// </summary>
/// <param name="output">Stream to write messages to.</param>
public MessageStreamWriter(Stream output)
{
codedOutput = CodedOutputStream.CreateInstance(output);
}
