public void MainTest()
{
var u1 = default(EmberId);
var n1 = this.Random.Next();
var n2 = n1 + 1;
var a1 = EmberId.CreateApplication(n1);
var a2 = EmberId.CreateApplication(n2);
var c1 = EmberId.CreateContextSpecific(n1);
EmberId p1;
using (var stream = new MemoryStream(new byte[] { 0xE0, 0x03, 0x01, 0x01, 0xFF }))
using (var reader = new EmberReader(stream, 1))
{
reader.Read();
p1 = reader.OuterId;
}
TestStructEquality(a1, a2, (l, r) => l == r, (l, r) => l != r);
TestStructEquality(a1, c1, (l, r) => l == r, (l, r) => l != r);
TestParse(u1);
TestParse(a1);
TestParse(c1);
TestParse(p1);
EmberId dummy;
Assert.IsFalse(EmberId.TryParse("S-234", out dummy));
Assert.IsFalse(EmberId.TryParse("U+234", out dummy));
Assert.IsFalse(EmberId.TryParse("P--234", out dummy));
Assert.IsFalse(EmberId.TryParse("A-89345734579385749354", out dummy));
}
public void MainTest()
{
var u1 = default(EmberId);
var n1 = this.Random.Next();
var n2 = n1 + 1;
var a1 = EmberId.CreateApplication(n1);
var a2 = EmberId.CreateApplication(n2);
var c1 = EmberId.CreateContextSpecific(n1);
EmberId p1;
using (var stream = new MemoryStream(new byte[] { 0xE0, 0x03, 0x01, 0x01, 0xFF }))
using (var reader = new EmberReader(stream, 1))
{
reader.Read();
p1 = reader.OuterId;
}
TestStructEquality(a1, a2, (l, r) => l == r, (l, r) => l != r);
TestStructEquality(a1, c1, (l, r) => l == r, (l, r) => l != r);
TestParse(u1);
TestParse(a1);
TestParse(c1);
TestParse(p1);
EmberId dummy;
Assert.IsFalse(EmberId.TryParse("S-234", out dummy));
Assert.IsFalse(EmberId.TryParse("U+234", out dummy));
Assert.IsFalse(EmberId.TryParse("P--234", out dummy));
Assert.IsFalse(EmberId.TryParse("A-89345734579385749354", out dummy));
}
private static void AssertDecode(int expectedInnerNumber, Action <EmberReader> assertEqual, params byte[] input)
{
using (var stream = new MemoryStream(input))
using (var reader = new EmberReader(stream, 1))
{
AssertThrow <InvalidOperationException>(() => reader.InnerNumber.GetHashCode().Ignore());
AssertThrow <InvalidOperationException>(() => reader.OuterId.Ignore());
AssertThrow <InvalidOperationException>(() => reader.ReadContentsAsObject());
Assert.IsFalse(reader.CanReadContents);
Assert.IsTrue(reader.Read());
Assert.AreEqual(EmberId.CreateApplication(0), reader.OuterId);
Assert.AreEqual(expectedInnerNumber, reader.InnerNumber);
assertEqual(reader);
AssertThrow <InvalidOperationException>(() => reader.ReadContentsAsObject());
Assert.IsFalse(reader.Read());
reader.Dispose();
Assert.IsFalse(reader.CanReadContents);
AssertThrow <ObjectDisposedException>(() => reader.InnerNumber.Ignore());
AssertThrow <ObjectDisposedException>(() => reader.OuterId.Ignore());
AssertThrow <ObjectDisposedException>(() => reader.ReadContentsAsObject());
}
using (var writer = XmlWriter.Create(Console.Out, new XmlWriterSettings()
{
Indent = true
}))
{
new EmberConverter(GlowTypes.Instance).ToXml(input, writer);
Console.WriteLine();
Console.WriteLine();
}
}
/// <summary>Reads the EmBER-encoded data in <paramref name="buffer"/> and writes an equivalent XML
/// representation with <paramref name="writer"/>.</summary>
/// <exception cref="ArgumentNullException"><paramref name="buffer"/> and/or <paramref name="writer"/> equal
/// <c>null</c>.</exception>
/// <exception cref="EmberException">The EmBER-encoded data is invalid, see <see cref="Exception.Message"/> for
/// details.</exception>
public void ToXml(byte[] buffer, XmlWriter writer)
{
using (var stream = new MemoryStream(buffer))
using (var reader = new EmberReader(stream))
{
this.ToXml(reader, writer);
}
}
public void EmptyTest()
{
using (var stream = new MemoryStream())
using (var reader = new EmberReader(stream, 1))
{
Assert.IsFalse(reader.Read());
}
}
/// <summary>Reads EmBER data with <paramref name="reader"/> and writes an equivalent XML representation with
/// <paramref name="writer"/>.</summary>
/// <exception cref="ArgumentNullException"><paramref name="reader"/> and/or <paramref name="writer"/> equal
/// <c>null</c>.</exception>
/// <exception cref="EmberException">The EmBER-encoded data is invalid, see <see cref="Exception.Message"/> for
/// details.</exception>
public void ToXml(EmberReader reader, XmlWriter writer)
{
if (reader == null)
{
throw new ArgumentNullException(nameof(reader));
}
if (writer == null)
{
throw new ArgumentNullException(nameof(writer));
}
this.ToXmlCore(reader, writer, default(FieldPath <int, EmberId>), EmberGlobal.InnerNumber);
}
public void ExceptionTest()
{
AssertThrow <ArgumentNullException>(
() => new EmberType(null).Ignore(),
() => new EmberTypeBag(null).Ignore(),
() => new EmberConverter(null).Ignore());
AssertThrow <ArgumentException>(() => new EmberType().Ignore());
using (var stream = new MemoryStream())
using (var reader = new EmberReader(stream))
using (var writer = XmlWriter.Create(new StringBuilder()))
{
var converter = new EmberConverter();
AssertThrow <ArgumentNullException>(
() => converter.ToXml((byte[])null, writer),
() => converter.ToXml(new byte[0], null),
() => converter.ToXml((EmberReader)null, writer),
() => converter.ToXml(reader, null));
}
using (var stringReader = new StringReader(string.Empty))
using (var reader = XmlReader.Create(stringReader))
using (var stream = new MemoryStream())
using (var writer = new EmberWriter(stream))
{
var converter = new EmberConverter();
AssertThrow <ArgumentNullException>(
() => converter.FromXml(null),
() => converter.FromXml(null, writer),
() => converter.FromXml(reader, null));
}
AssertXmlException("<whatever type=\"A-11\"></whatever>", "Unknown field path: whatever.");
AssertXmlException(
"<A-0 type=\"Sequence\"><whatever type=\"Set\" /></A-0>", "Unknown field path: A-0.whatever.");
AssertXmlException("<A-0 type=\"C-11\"></A-0>", "Unknown type: C-11.");
AssertXmlException(
"<A-0 type=\"A-11\" whatever=\"\"></A-0>",
"Unexpected Attribute Count: Each element must have exactly one type attribute.");
AssertXmlException(
"<A-0 type=\"A-11\"><![CDATA[Whatever]]></A-0>",
"Unexpected Node Type: Encountered CDATA while looking for Element.");
AssertXmlException("<A-0 type=\"Boolean\" />", "Unexpected empty element for a field of type Boolean.");
}
public void ExceptionTest()
{
AssertThrow<ArgumentNullException>(
() => new EmberType(null).Ignore(),
() => new EmberTypeBag(null).Ignore(),
() => new EmberConverter(null).Ignore());
AssertThrow<ArgumentException>(() => new EmberType().Ignore());
using (var stream = new MemoryStream())
using (var reader = new EmberReader(stream))
using (var writer = XmlWriter.Create(new StringBuilder()))
{
var converter = new EmberConverter();
AssertThrow<ArgumentNullException>(
() => converter.ToXml((byte[])null, writer),
() => converter.ToXml(new byte[0], null),
() => converter.ToXml((EmberReader)null, writer),
() => converter.ToXml(reader, null));
}
using (var stringReader = new StringReader(string.Empty))
using (var reader = XmlReader.Create(stringReader))
using (var stream = new MemoryStream())
using (var writer = new EmberWriter(stream))
{
var converter = new EmberConverter();
AssertThrow<ArgumentNullException>(
() => converter.FromXml(null),
() => converter.FromXml(null, writer),
() => converter.FromXml(reader, null));
}
AssertXmlException("<whatever type=\"A-11\"></whatever>", "Unknown field path: whatever.");
AssertXmlException(
"<A-0 type=\"Sequence\"><whatever type=\"Set\" /></A-0>", "Unknown field path: A-0.whatever.");
AssertXmlException("<A-0 type=\"C-11\"></A-0>", "Unknown type: C-11.");
AssertXmlException(
"<A-0 type=\"A-11\" whatever=\"\"></A-0>",
"Unexpected Attribute Count: Each element must have exactly one type attribute.");
AssertXmlException(
"<A-0 type=\"A-11\"><![CDATA[Whatever]]></A-0>",
"Unexpected Node Type: Encountered CDATA while looking for Element.");
AssertXmlException("<A-0 type=\"Boolean\" />", "Unexpected empty element for a field of type Boolean.");
}
public void PerformanceTest()
{
byte[] payload;
using (var memoryStream = new MemoryStream())
{
using (var resourceStream = Assembly.GetExecutingAssembly().GetManifestResourceStream(
typeof(EmberPayloads), "BigPayload.ember"))
{
resourceStream.CopyTo(memoryStream);
}
payload = memoryStream.ToArray();
}
var stopwatch = new Stopwatch();
var converter = new EmberConverter(GlowTypes.Instance);
GC.Collect();
GC.WaitForPendingFinalizers();
for (int index = 0; index < 100; ++index)
{
using (var writer = XmlWriter.Create(TextWriter.Null))
{
stopwatch.Start();
using (var stream = new MemoryStream(payload))
using (var reader = new EmberReader(stream))
{
converter.ToXml(reader, writer);
}
stopwatch.Stop();
}
}
stopwatch.Start();
GC.Collect();
GC.WaitForPendingFinalizers();
stopwatch.Stop();
Console.WriteLine(stopwatch.ElapsedMilliseconds);
}
private static void ReadAll(params byte[] input)
{
using (var stream = new MemoryStream(input))
using (var reader = new EmberReader(stream, 1))
{
while (reader.Read())
{
switch (reader.InnerNumber)
{
case InnerNumber.EndContainer:
AssertThrow <InvalidOperationException>(() => reader.OuterId.Ignore());
Assert.IsFalse(reader.CanReadContents);
AssertThrow <InvalidOperationException>(() => reader.ReadContentsAsObject());
break;
case InnerNumber.Sequence:
case InnerNumber.Set:
reader.OuterId.Ignore();
Assert.IsFalse(reader.CanReadContents);
AssertThrow <InvalidOperationException>(() => reader.ReadContentsAsObject());
break;
case InnerNumber.Boolean:
case InnerNumber.Integer:
case InnerNumber.Octetstring:
case InnerNumber.Real:
case InnerNumber.Utf8String:
case InnerNumber.RelativeObjectIdentifier:
reader.OuterId.Ignore();
Assert.IsTrue(reader.CanReadContents);
reader.ReadContentsAsObject();
break;
default:
Assert.IsTrue(reader.InnerNumber >= InnerNumber.FirstApplication);
reader.OuterId.Ignore();
Assert.IsFalse(reader.CanReadContents);
AssertThrow <InvalidOperationException>(() => reader.ReadContentsAsObject());
break;
}
}
}
}
private void AssertEqual <T>(
Action <EmberLib.EmberWriter, BerTag, T> write, Func <EmberReader, T> read, T value, Action <T, T> assertEqual)
{
var number = this.Random.Next();
var outerId = EmberId.CreateApplication(number);
var tag = new BerTag(BerClass.Application, (uint)number);
var output = new BerMemoryOutput();
var writer = new EmberLib.EmberWriter(output);
write(writer, tag, value);
using (var input = new MemoryStream(output.ToArray()))
using (var reader = new EmberReader(input, 1))
{
Assert.IsTrue(reader.Read());
Assert.AreEqual(outerId, reader.OuterId);
assertEqual(value, read(reader));
}
}
public void SkipContentsTest()
{
using (var stream = new MemoryStream(new byte[] { 0x60, 0x03, 0x01, 0x01, 0xFF, 0x60, 0x03, 0x01, 0x01, 0x00 }))
using (var reader = new EmberReader(stream, 1))
{
Assert.IsTrue(reader.Read());
Assert.IsTrue(reader.Read());
Assert.IsFalse(reader.ReadContentsAsBoolean());
}
var original = new byte[64];
this.Random.NextBytes(original);
byte[] encoded;
using (var stream = new MemoryStream())
{
using (var writer = new EmberWriter(stream))
{
writer.WriteValue(EmberId.CreateApplication(0), original);
writer.WriteValue(EmberId.CreateApplication(1), true);
}
encoded = stream.ToArray();
}
using (var stream = new MemoryStream(encoded))
using (var reader = new EmberReader(stream, 1))
{
Assert.IsTrue(reader.Read());
Assert.AreEqual(InnerNumber.Octetstring, reader.InnerNumber);
Assert.IsTrue(reader.Read());
Assert.AreEqual(InnerNumber.Boolean, reader.InnerNumber);
Assert.AreEqual(true, reader.ReadContentsAsBoolean());
Assert.IsFalse(reader.Read());
}
}
/// <summary>Reads EmBER data with <paramref name="reader"/> and writes an equivalent XML representation with /// <paramref name="writer"/>.</summary> /// <exception cref="ArgumentNullException"><paramref name="reader"/> and/or <paramref name="writer"/> equal /// <c>null</c>.</exception> /// <exception cref="EmberException">The EmBER-encoded data is invalid, see <see cref="Exception.Message"/> for /// details.</exception> public void ToXml(EmberReader reader, XmlWriter writer) => this.ToXmlCore(
public void ExceptionTest()
{
TestStandardExceptionConstructors <EmberException>();
AssertThrow <ArgumentNullException>(() => new EmberReader(null, 1).Dispose());
AssertEmberException("Incorrect length at position 3.", 0x60, 0x03, 0x0D, 0x01, 0xFF, 0x00);
using (var stream = new MemoryStream(new byte[] { 0x60, 0x03, 0x01, 0x01, 0xFF }))
using (var reader = new EmberReader(stream, 1))
{
reader.Read();
AssertThrow <InvalidOperationException>(() => reader.ReadContentsAsString());
reader.ReadContentsAsBoolean();
}
AssertEmberException(
"Unexpected Universal class for outer identifier at position 0.", 0x01, 0x03, 0x01, 0x01, 0xFF);
AssertEmberException("Unexpected end of stream.", 0x60);
AssertEmberException("Unexpected end of stream.", 0x60, 0x05, 0x04, 0x03, 0xFF, 0xFE);
AssertEmberException(
"Unexpected end of stream at position 9.", 0x60, 0x08, 0x30, 0x06, 0x60, 0x03, 0x01, 0x01, 0xFF);
AssertEmberException("Unexpected End-of-contents identifier at position 2.", 0x60, 0x02, 0x00, 0x00);
AssertEmberException("Unexpected number in universal identifier at position 2.", 0x60, 0x03, 0x03, 0x01, 0xFF);
AssertEmberException("Unexpected context-specific or private identifier at position 2.", 0x60, 0x03, 0x83, 0x01, 0xFF);
AssertEmberException("Unexpected context-specific or private identifier at position 2.", 0x60, 0x03, 0xC3, 0x01, 0xFF);
AssertEmberException("Unexpected length for End-of-contents identifier at position 0.", 0x00, 0x01);
AssertEmberException("Unexpected excess End-of-contents identifier at position 0.", 0x00, 0x00);
AssertEmberException(
"Unexpected End-of-contents identifier at position 6 for definite length at position 1.",
0x60, 0x06, 0x30, 0x80, 0x00, 0x00, 0x00, 0x00);
AssertEmberException("Unexpected constructed encoding at position 2.", 0x60, 0x03, 0x21, 0x01, 0xFF);
AssertEmberException(
"Unexpected indefinite length for primitive data value at position 2.", 0x60, 0x03, 0x01, 0x80, 0xFF);
AssertEmberException("Unexpected encoding for Real at position 4.", 0x60, 0x03, 0x09, 0x01, 0x00);
AssertEmberException("Incorrect length for Real at position 4.", 0x60, 0x04, 0x09, 0x02, 0x80, 0x00);
AssertEmberException(
"The exponent of the Real at position 4 exceeds the expected range.",
0x60, 0x06, 0x09, 0x04, 0x81, 0x04, 0x01, 0x01);
AssertEmberException(
"The exponent of the Real at position 4 exceeds the expected range.",
0x60, 0x06, 0x09, 0x04, 0x81, 0xFC, 0x01, 0x01);
AssertEmberException(
"The mantissa of the Real at position 4 is zero.", 0x60, 0x05, 0x09, 0x03, 0x80, 0x00, 0x00);
AssertEmberException(
"The length at position 1 exceeds the expected range.", 0x60, 0x84, 0x80, 0x00, 0x00, 0x00);
AssertEmberException("Unexpected zero length for integer.", 0x60, 0x02, 0x02, 0x00);
ReadAll(0x60, 0x0A, 0x02, 0x08, 0x7F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF);
AssertEmberException(
"The integer, length or exponent at position 4 exceeds the expected range.",
0x60, 0x0B, 0x02, 0x09, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF);
ReadAll(0x60, 0x0A, 0x02, 0x08, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00);
AssertEmberException(
"The integer, length or exponent at position 4 exceeds the expected range.",
0x60, 0x0B, 0x02, 0x09, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00);
ReadAll(0x7F, 0x87, 0xFF, 0xFF, 0xFF, 0x7F, 0x03, 0x01, 0x01, 0xFF);
AssertEmberException(
"The identifier number or subidentifier at position 1 exceeds the expected range.",
0x7F, 0x8F, 0xFF, 0xFF, 0xFF, 0x7F, 0x03, 0x01, 0x01, 0xFF);
}
private void ToXmlCore(
EmberReader reader, XmlWriter writer, FieldPath <int, EmberId> previousPath, int currentType)
{
while (reader.Read())
{
var nextType = reader.InnerNumber;
if (nextType == InnerNumber.EndContainer)
{
writer.WriteEndElement();
return;
}
var currentPath = Combine(previousPath, new Field <int, EmberId>(currentType, reader.OuterId));
var fieldName = this.GetFieldName(currentPath);
switch (nextType)
{
case BerBoolean.InnerNumber:
var boolean = reader.ReadContentsAsBoolean();
WriteValue(writer, fieldName, BerBoolean.Name, boolean, (w, o) => w.WriteValue(o));
break;
case BerInteger.InnerNumber:
var integer = reader.ReadContentsAsInt64();
WriteValue(writer, fieldName, BerInteger.Name, integer, (w, o) => w.WriteValue(o));
break;
case BerReal.InnerNumber:
WriteValue(
writer, fieldName, BerReal.Name, reader.ReadContentsAsDouble(), (w, o) => w.WriteValue(o));
break;
case BerUtf8String.InnerNumber:
string str;
try
{
str = XmlConvert.VerifyXmlChars(reader.ReadContentsAsString());
}
catch (XmlException)
{
str = "*** CONTAINS INVALID XML CHARACTERS ***";
}
switch (currentPath.ToString())
{
case "1073741825.C-1.C-6":
case "1073741825.C-1.C-7":
case "1073741825.C-1.C-17":
case "1073741833.C-1.C-6":
case "1073741833.C-1.C-7":
case "1073741833.C-1.C-17":
case "1073741827.C-1.C-4":
case "1073741834.C-1.C-4":
case "1073741837.C-1.C-11":
case "1073741841.C-1.C-11":
str = str.Replace("\n", Environment.NewLine);
break;
default:
// Intentionally do nothing
break;
}
WriteValue(writer, fieldName, BerUtf8String.Name, str, (w, o) => w.WriteValue(o));
break;
case BerOctetstring.InnerNumber:
var bytes = reader.ReadContentsAsByteArray();
WriteValue(
writer, fieldName, BerOctetstring.Name, bytes, (w, o) => w.WriteBinHex(o, 0, o.Length));
break;
case BerRelativeObjectIdentifier.InnerNumber:
var intOid = reader.ReadContentsAsInt32Array();
var oid = string.Join(".", intOid.Select(e => e.ToString(InvariantCulture)));
WriteValue(writer, fieldName, BerRelativeObjectIdentifier.Name, oid, (w, o) => w.WriteValue(o));
break;
case BerSequence.InnerNumber:
WriteStartContainer(writer, fieldName, BerSequence.Name);
this.ToXmlCore(reader, writer, currentPath, nextType);
break;
case BerSet.InnerNumber:
WriteStartContainer(writer, fieldName, BerSet.Name);
this.ToXmlCore(reader, writer, currentPath, nextType);
break;
default:
WriteStartContainer(writer, fieldName, this.GetTypeName(nextType));
this.ToXmlCore(reader, writer, currentPath, nextType);
break;
}
}
}
public void PerformanceTest()
{
byte[] payload;
using (var memoryStream = new MemoryStream())
{
using (var resourceStream = Assembly.GetExecutingAssembly().GetManifestResourceStream(
typeof(EmberPayloads), "BigPayload.ember"))
{
resourceStream.CopyTo(memoryStream);
}
payload = memoryStream.ToArray();
}
var stopwatch = new Stopwatch();
var converter = new EmberConverter(GlowTypes.Instance);
GC.Collect();
GC.WaitForPendingFinalizers();
for (int index = 0; index < 100; ++index)
{
using (var writer = XmlWriter.Create(TextWriter.Null))
{
stopwatch.Start();
using (var stream = new MemoryStream(payload))
using (var reader = new EmberReader(stream))
{
converter.ToXml(reader, writer);
}
stopwatch.Stop();
}
}
stopwatch.Start();
GC.Collect();
GC.WaitForPendingFinalizers();
stopwatch.Stop();
Console.WriteLine(stopwatch.ElapsedMilliseconds);
}