private void testLoop() throws IOException {
Map<Long, byte[]> map = New.hashMap();
StreamStore store = new StreamStore(map);
assertEquals(256 * 1024, store.getMaxBlockSize());
assertEquals(256, store.getMinBlockSize());
store.setNextKey(0);
assertEquals(0, store.getNextKey());
test(store, 10, 20, 1000);
for (int i = 0; i < 20; i++) {
test(store, 0, 128, i);
test(store, 10, 128, i);
}
for (int i = 20; i < 200; i += 10) {
test(store, 0, 128, i);
test(store, 10, 128, i);
}
}
private void test(StreamStore store, int minBlockSize, int maxBlockSize, int length)
throws IOException {
store.setMinBlockSize(minBlockSize);
assertEquals(minBlockSize, store.getMinBlockSize());
store.setMaxBlockSize(maxBlockSize);
assertEquals(maxBlockSize, store.getMaxBlockSize());
long next = store.getNextKey();
Random r = new Random(length);
byte[] data = new byte[length];
r.nextBytes(data);
byte[] id = store.put(new ByteArrayInputStream(data));
if (length > 0 && length >= minBlockSize) {
assertFalse(store.isInPlace(id));
} else {
assertTrue(store.isInPlace(id));
}
long next2 = store.getNextKey();
if (length > 0 && length >= minBlockSize) {
assertTrue(next2 > next);
} else {
assertEquals(next, next2);
}
if (length == 0) {
assertEquals(0, id.length);
}
assertEquals(length, store.length(id));
InputStream in = store.get(id);
ByteArrayOutputStream out = new ByteArrayOutputStream();
IOUtils.copy(in, out);
assertTrue(Arrays.equals(data, out.toByteArray()));
in = store.get(id);
in.close();
assertEquals(-1, in.read());
in = store.get(id);
assertEquals(0, in.skip(0));
if (length > 0) {
assertEquals(1, in.skip(1));
if (length > 1) {
assertEquals(data[1] & 255, in.read());
if (length > 2) {
assertEquals(1, in.skip(1));
if (length > 3) {
assertEquals(data[3] & 255, in.read());
}
} else {
assertEquals(0, in.skip(1));
}
} else {
assertEquals(-1, in.read());
}
} else {
assertEquals(0, in.skip(1));
}
if (length > 12) {
in = store.get(id);
assertEquals(12, in.skip(12));
assertEquals(data[12] & 255, in.read());
long skipped = 0;
while (true) {
long s = in.skip(Integer.MAX_VALUE);
if (s == 0) {
break;
}
skipped += s;
}
assertEquals(length - 13, skipped);
assertEquals(-1, in.read());
}
store.remove(id);
assertEquals(0, store.getMap().size());
}