@Test
public void testCompareTo() {
assertTrue(wrapper1.compareTo(wrapper2) == 0);
assertTrue(wrapper1.compareTo(wrapper3) > 1);
assertTrue(wrapper1.compareTo(wrapper4) > 1);
assertTrue(wrapper2.compareTo(wrapper3) > 1);
}
@Override
public Serializable get() {
while (true) {
Serializable s = data.get();
if (!(s instanceof ByteArrayWrapper)) {
return s;
}
try {
ByteArrayWrapper w = (ByteArrayWrapper) s;
ObjectInputStream stream =
new PluginClassResolverObjectInputStream(new ByteArrayInputStream(w.getArray()));
Object result;
try {
result = stream.readObject();
} finally {
IOUtils.closeQuietly(stream);
}
Serializable deserialized = (Serializable) result;
if (data.compareAndSet(s, deserialized)) {
return deserialized;
}
} catch (IOException e) {
return null;
} catch (ClassNotFoundException e) {
return null;
} catch (ClassCastException e) {
return null;
}
}
}
@Test
public void testEqualsObject() {
assertTrue(wrapper1.equals(wrapper2));
assertFalse(wrapper1.equals(wrapper3));
assertFalse(wrapper1.equals(wrapper4));
assertFalse(wrapper1.equals(null));
assertFalse(wrapper2.equals(wrapper3));
}
@Test
public void testEqualsPerformance() {
boolean testEnabled = false;
if (testEnabled) {
final int ITERATIONS = 10000000;
long start1 = System.currentTimeMillis();
for (int i = 0; i < ITERATIONS; i++) {
Comparator<byte[]> comparator = UnsignedBytes.lexicographicalComparator();
comparator.compare(wrapper1.getData(), wrapper2.getData());
}
System.out.println(System.currentTimeMillis() - start1 + "ms");
long start2 = System.currentTimeMillis();
for (int i = 0; i < ITERATIONS; i++) {
Arrays.equals(wrapper1.getData(), wrapper2.getData());
}
System.out.println(System.currentTimeMillis() - start2 + "ms");
long start3 = System.currentTimeMillis();
for (int i = 0; i < ITERATIONS; i++) {
FastByteComparisons.compareTo(
wrapper1.getData(),
0,
wrapper1.getData().length,
wrapper2.getData(),
0,
wrapper1.getData().length);
}
System.out.println(System.currentTimeMillis() - start3 + "ms");
}
}
