public void TestWriteUTF()
{
//ByteArrayOutputStream baos = new ByteArrayOutputStream();
var baos = new MemoryStream();
DataOutputStream dos = new DataOutputStream(baos);
dos.WriteUTF("Hello, World!"); // 15
dos.Flush();
if (baos.Length != dos.Length)
{
fail("Miscounted bytes in DataOutputStream.");
}
}
private static void WriteAndReadAString()
{
// Write out a string whose UTF-8 encoding is quite possibly
// longer than 65535 bytes
int length = Random.Next(A_NUMBER_NEAR_65535) + 1;
MemoryStream baos = new MemoryStream();
StringBuilder testBuffer = new StringBuilder();
for (int i = 0; i < length; i++)
{
testBuffer.Append((char)Random.Next());
}
string testString = testBuffer.ToString();
DataOutputStream dos = new DataOutputStream(baos);
dos.WriteUTF(testString);
// Corrupt the data to produce malformed characters
byte[] testBytes = baos.ToArray();
int dataLength = testBytes.Length;
int corruptions = Random.Next(MAX_CORRUPTIONS_PER_CYCLE);
for (int i = 0; i < corruptions; i++)
{
int index = Random.Next(dataLength);
testBytes[index] = (byte)Random.Next();
}
// Pay special attention to mangling the end to produce
// partial characters at end
testBytes[dataLength - 1] = (byte)Random.Next();
testBytes[dataLength - 2] = (byte)Random.Next();
// Attempt to decode the bytes back into a String
MemoryStream bais = new MemoryStream(testBytes);
DataInputStream dis = new DataInputStream(bais);
dis.ReadUTF();
}