public void TestReadAttributeRawValueTruncatedStrict()
{
using (var stream = new MemoryStream()) {
stream.Write(BitConverter.GetBytes(0x223e9f78), 0, 4);
stream.WriteByte(0);
stream.WriteByte(0);
stream.WriteByte((byte)TnefAttributeLevel.Message);
stream.Write(BitConverter.GetBytes((int)TnefAttributeTag.MessageId), 0, 4);
stream.Write(BitConverter.GetBytes(28), 0, 4);
stream.Write(BitConverter.GetBytes(0xFFFFFFFF), 0, 4);
stream.Position = 0;
using (var reader = new TnefReader(stream, 0, TnefComplianceMode.Strict)) {
Assert.IsTrue(reader.ReadNextAttribute(), "ReadNextAttribute");
Assert.AreEqual(TnefAttributeTag.MessageId, reader.AttributeTag, "AttributeTag");
var buffer = new byte[28];
int n;
n = reader.ReadAttributeRawValue(buffer, 0, buffer.Length);
try {
reader.ReadAttributeRawValue(buffer, n, buffer.Length - n);
Assert.Fail("ReadAttributeRawValue should have thrown TnefException");
} catch (TnefException ex) {
Assert.AreEqual(TnefComplianceStatus.StreamTruncated, ex.Error, "Error");
} catch (Exception ex) {
Assert.Fail("ReadAttributeRawValue should have thrown TnefException, not {0}", ex);
}
}
}
}
public void TestArgumentExceptions()
{
using (var stream = File.OpenRead(Path.Combine(DataDir, "winmail.tnef"))) {
Assert.Throws <ArgumentNullException> (() => new TnefReader(null, 0, TnefComplianceMode.Strict));
Assert.Throws <ArgumentOutOfRangeException> (() => new TnefReader(stream, -1, TnefComplianceMode.Strict));
using (var reader = new TnefReader(stream, 1252, TnefComplianceMode.Strict)) {
var buffer = new byte[16];
Assert.Throws <ArgumentNullException> (() => reader.ReadAttributeRawValue(null, 0, buffer.Length));
Assert.Throws <ArgumentOutOfRangeException> (() => reader.ReadAttributeRawValue(buffer, -1, buffer.Length));
Assert.Throws <ArgumentOutOfRangeException> (() => reader.ReadAttributeRawValue(buffer, 0, -1));
}
}
}
public void TestReadAttributeRawValueTruncatedLoose()
{
using (var stream = new MemoryStream()) {
stream.Write(BitConverter.GetBytes(0x223e9f78), 0, 4);
stream.WriteByte(0);
stream.WriteByte(0);
stream.WriteByte((byte)TnefAttributeLevel.Message);
stream.Write(BitConverter.GetBytes((int)TnefAttributeTag.MessageId), 0, 4);
stream.Write(BitConverter.GetBytes(28), 0, 4);
stream.Write(BitConverter.GetBytes(0xFFFFFFFF), 0, 4);
stream.Position = 0;
using (var reader = new TnefReader(stream, 0, TnefComplianceMode.Loose)) {
Assert.IsTrue(reader.ReadNextAttribute(), "ReadNextAttribute");
Assert.AreEqual(TnefAttributeTag.MessageId, reader.AttributeTag, "AttributeTag");
var buffer = new byte[28];
int nread, n = 0;
do
{
if ((nread = reader.ReadAttributeRawValue(buffer, n, buffer.Length - n)) == 0)
{
break;
}
n += nread;
} while (n < 28);
Assert.AreEqual(TnefComplianceStatus.StreamTruncated, reader.ComplianceStatus);
}
}
}