@Test
public void dataRoundTrip() throws IOException {
dos.writeUTF("Hello, world!");
dos.writeInt(0xCAFEBABE);
dos.writeUTF("Over & out.");
dos.close();
// aos.close(); // important?
byte[] bs = bos.toByteArray();
if (verbose) {
for (int i = 0; i < bs.length; i++) {
System.out.printf("%02x ", bs[i]);
if (i % 16 == 15) System.out.println();
}
System.out.println();
}
PPMModel pi = new PPMModel(4);
ByteArrayInputStream bis = new ByteArrayInputStream(bs);
ArithCodeInputStream ais = new ArithCodeInputStream(bis, pi);
DataInputStream dis = new DataInputStream(ais);
String s1 = dis.readUTF();
assert s1.equals("Hello, world!") : s1;
int i1 = dis.readInt();
assert 0xCAFEBABE == i1 : i1;
String s2 = dis.readUTF();
assert s2.equals("Over & out.") : s2;
int i2 = dis.read();
assert -1 == i2 : i2;
}
public static File getSparseBinarySVDLIBCFile() throws Exception {
File f = File.createTempFile("unit-test", ".dat");
DataOutputStream pw = new DataOutputStream(new FileOutputStream(f));
pw.writeInt(3);
pw.writeInt(3);
pw.writeInt(6);
pw.writeInt(2);
pw.writeInt(0);
pw.writeFloat(2.3f);
pw.writeInt(2);
pw.writeFloat(3.8f);
pw.writeInt(1);
pw.writeInt(1);
pw.writeFloat(1.3f);
pw.writeInt(3);
pw.writeInt(0);
pw.writeFloat(4.2f);
pw.writeInt(1);
pw.writeFloat(2.2f);
pw.writeInt(2);
pw.writeFloat(0.5f);
pw.close();
return f;
}