@Override
public void swap(final Buffer other) {
if (other instanceof LongArray) {
long[] tmp = this.buffer;
this.buffer = ((LongArray) other).buffer;
((LongArray) other).buffer = tmp;
int tmp2 = this.actualSizeInWords;
this.actualSizeInWords = ((LongArray) other).actualSizeInWords;
((LongArray) other).actualSizeInWords = tmp2;
} else {
long[] tmp = new long[other.sizeInWords()];
for (int i = 0; i < other.sizeInWords(); ++i) {
tmp[i] = other.getWord(i);
}
int tmp2 = other.sizeInWords();
other.clear();
other.removeLastWord();
other.push_back(this, 0, this.sizeInWords());
this.buffer = tmp;
this.actualSizeInWords = tmp2;
}
}
/* ------------------------------------------------------------ */
public void returnBuffer(Buffer buffer) {
buffer.clear();
if (buffer.isVolatile() || buffer.isImmutable()) return;
if (_size.incrementAndGet() > _maxSize) _size.decrementAndGet();
else {
if (isHeader(buffer)) _headers.add(buffer);
else if (isBuffer(buffer)) _buffers.add(buffer);
else _others.add(buffer);
}
}
public void testLegacy() {
// 1. Tests of old methods.
Buffer buf = new Buffer(4);
Iterator iter = null;
assertEquals(4, buf.getCapacity());
assertEquals(0, buf.getSize());
iter = buf.iterator();
assertTrue(!iter.hasNext());
try {
iter.next();
assertTrue(false);
} catch (NoSuchElementException e) {
assertTrue(true);
}
buf.add("test");
assertEquals(1, buf.getSize());
iter = buf.iterator();
assertTrue(iter.hasNext());
assertEquals("test", iter.next());
assertTrue(!iter.hasNext());
try {
iter.next();
assertTrue(false);
} catch (NoSuchElementException e) {
}
buf.add("test2");
assertEquals(2, buf.getSize());
buf.add("test3");
assertEquals(3, buf.getSize());
iter = buf.iterator();
assertTrue(iter.hasNext());
assertEquals("test3", iter.next());
assertTrue(iter.hasNext());
assertEquals("test2", iter.next());
assertTrue(iter.hasNext());
assertEquals("test", iter.next());
assertTrue(!iter.hasNext());
buf.add("test4");
assertEquals(4, buf.getSize());
buf.add("test5");
assertEquals(4, buf.getSize());
iter = buf.iterator();
assertTrue(iter.hasNext());
assertEquals("test5", iter.next());
assertTrue(iter.hasNext());
assertEquals("test4", iter.next());
assertTrue(iter.hasNext());
assertEquals("test3", iter.next());
assertTrue(iter.hasNext());
assertEquals("test2", iter.next());
assertTrue(!iter.hasNext());
buf.add("test6");
assertEquals(4, buf.getSize());
// 2. Tests of new methods. These are definitely not sufficient.
buf = new Buffer(4);
assertEquals(0, buf.getSize());
assertNull(buf.addLast("a"));
assertEquals(1, buf.getSize());
assertNull(buf.addLast("b"));
assertEquals(2, buf.getSize());
assertNull(buf.addLast("c"));
assertEquals(3, buf.getSize());
assertNull(buf.addLast("d"));
assertEquals(4, buf.getSize());
assertEquals("a", buf.first());
assertEquals("a", buf.removeFirst());
assertEquals(3, buf.getSize());
assertEquals("b", buf.first());
assertEquals("b", buf.removeFirst());
assertEquals(2, buf.getSize());
assertNull(buf.addFirst("b"));
assertEquals(3, buf.getSize());
assertNull(buf.addFirst("a"));
assertEquals(4, buf.getSize());
// buf=[a b c d]
assertEquals("a", buf.addLast("e"));
// buf=[b c d e]
assertEquals("e", buf.last());
assertEquals("b", buf.first());
assertEquals("e", buf.removeLast());
assertEquals("d", buf.removeLast());
buf = new Buffer(4);
iter = buf.iterator();
buf.addFirst("a");
try {
iter.hasNext();
assertTrue(false);
} catch (ConcurrentModificationException e) {
assertTrue(true);
}
buf = new Buffer(4);
buf.addFirst("a");
buf.addLast("b");
buf.clear();
assertEquals(0, buf.getSize());
iter = buf.iterator();
assertTrue(!iter.hasNext());
// 3. Tests of get and set.
buf = new Buffer(3);
try {
buf.get(0);
assertTrue(false);
} catch (IndexOutOfBoundsException e) {
}
try {
buf.get(-1);
assertTrue(false);
} catch (IndexOutOfBoundsException e) {
}
buf.addLast("a");
buf.addLast("b");
buf.addLast("c");
buf.addLast("d"); // clobbers a!
assertEquals("b", buf.get(0));
assertEquals("c", buf.get(1));
assertEquals("d", buf.get(2));
buf.set(2, "bb");
assertEquals("bb", buf.get(2));
// 4. Tests of remove and removeAll methods.
buf = new Buffer(4);
buf.addLast("a");
buf.addLast("b");
buf.addLast("c");
buf.addLast("d");
try {
buf.remove(-1);
assertTrue(false);
} catch (IndexOutOfBoundsException e) {
}
assertEquals("a", (buf.remove(0)));
assertEquals(3, buf.size());
assertEquals("b", buf.get(0));
assertEquals("c", buf.get(1));
assertEquals("d", buf.get(2));
buf = new Buffer(4);
buf.addLast("x");
buf.addLast("y");
buf.addLast("a");
buf.addLast("b");
buf.addLast("c");
buf.addLast("d");
try {
buf.remove(5);
assertTrue(false);
} catch (IndexOutOfBoundsException e) {
}
assertEquals("a", (buf.remove(0)));
assertEquals(3, buf.size());
assertEquals("b", buf.get(0));
assertEquals("c", buf.get(1));
assertEquals("d", buf.get(2));
buf = new Buffer(4);
buf.addLast("a");
buf.addLast("b");
buf.addLast("c");
buf.addLast("d");
try {
buf.remove(5);
assertTrue(false);
} catch (IndexOutOfBoundsException e) {
}
assertEquals("d", buf.remove(3));
assertEquals(3, buf.size());
assertEquals("a", buf.get(0));
assertEquals("b", buf.get(1));
assertEquals("c", buf.get(2));
buf = new Buffer(4);
buf.addLast("a");
buf.addLast("b");
buf.addLast("c");
buf.addLast("d");
try {
buf.remove(5);
assertTrue(false);
} catch (IndexOutOfBoundsException e) {
}
assertEquals("b", buf.remove(1));
assertEquals(3, buf.size());
assertEquals("a", buf.get(0));
assertEquals("c", buf.get(1));
assertEquals("d", buf.get(2));
buf = new Buffer(4);
buf.addLast("b");
buf.addLast("b");
buf.addLast("c");
buf.addLast("d");
assertTrue(buf.remove("d"));
assertTrue(buf.remove("b"));
assertEquals(2, buf.size());
assertEquals("b", buf.get(0));
assertEquals("c", buf.get(1));
buf = new Buffer(4);
buf.addLast("b");
buf.addLast("b");
buf.addLast("c");
buf.addLast("b");
assertTrue(buf.removeAll("b"));
assertEquals(1, buf.size());
assertEquals("c", buf.get(0));
// 5. Test clone() method.
buf = new Buffer(2);
buf.addLast("a");
buf.addLast("b");
Buffer buf2 = new Buffer(buf);
assertEquals(buf2.size(), buf.size());
assertEquals(buf2.getCapacity(), buf.getCapacity());
assertEquals(buf2.first(), buf.first());
assertEquals(buf2.last(), buf.last());
assertNotNull(buf.removeFirst()); // buf2 unmodified
assertEquals(1, buf.size());
assertEquals(2, buf2.size());
assertEquals("b", buf.first());
assertEquals("a", buf2.first());
assertEquals("b", buf2.last());
}