public void testSerial() {
assertTrue(_nbhm.isEmpty());
final String k1 = "k1";
final String k2 = "k2";
assertThat(_nbhm.put(k1, "v1"), nullValue());
assertThat(_nbhm.put(k2, "v2"), nullValue());
// Serialize it out
try {
FileOutputStream fos = new FileOutputStream("NBHM_test.txt");
ObjectOutputStream out = new ObjectOutputStream(fos);
out.writeObject(_nbhm);
out.close();
} catch (IOException ex) {
ex.printStackTrace();
}
// Read it back
try {
File f = new File("NBHM_test.txt");
FileInputStream fis = new FileInputStream(f);
ObjectInputStream in = new ObjectInputStream(fis);
NonBlockingIdentityHashMap nbhm = (NonBlockingIdentityHashMap) in.readObject();
in.close();
assertThat(
"serialization works",
nbhm.toString(),
anyOf(is("{k1=v1, k2=v2}"), is("{k2=v2, k1=v1}")));
if (!f.delete()) throw new IOException("delete failed");
} catch (IOException ex) {
ex.printStackTrace();
} catch (ClassNotFoundException ex) {
ex.printStackTrace();
}
}
/** A deserialized map equals original */
public void testSerialization() throws Exception {
ConcurrentNavigableMap q = map5();
ByteArrayOutputStream bout = new ByteArrayOutputStream(10000);
ObjectOutputStream out = new ObjectOutputStream(new BufferedOutputStream(bout));
out.writeObject(q);
out.close();
ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray());
ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(bin));
ConcurrentNavigableMap r = (ConcurrentNavigableMap) in.readObject();
assertEquals(q.size(), r.size());
assertTrue(q.equals(r));
assertTrue(r.equals(q));
}