public static void main(String[] args) {
ConcurrentLinkedHashMap<String, String> map =
new ConcurrentLinkedHashMap<String, String>(true, 33, listener);
System.out.println(
map.getConcurrencyLevel() + "|" + map.getSegmentMask() + "|" + map.getSegmentShift());
for (int i = 0; i < 100; i++) {
map.put("key" + i, "v" + i);
}
System.out.println(map.toString());
for (int i = 0; i < 100; i++) {
System.out.println(map.get("key" + i));
}
System.out.println(map.get("key97"));
System.out.println(map.get("key97"));
System.out.println(map.get("key97"));
System.out.println(map.get("key97"));
System.out.println(map.get("key97"));
}
@Test
public void testLeastRecentlyUsed() {
ConcurrentLinkedHashMap<String, String> map =
new ConcurrentLinkedHashMap<String, String>(true, 33, listener);
System.out.println(
map.getConcurrencyLevel() + "|" + map.getSegmentMask() + "|" + map.getSegmentShift());
for (int i = 0; i < 100; i++) {
if (i > 75) map.get("75");
map.put("" + i, "v" + i);
}
Assert.assertThat(map.get("75"), is("v75"));
}
@Test
public void testMaxEntries() {
ConcurrentLinkedHashMap<String, String> map =
new ConcurrentLinkedHashMap<String, String>(true, 33, listener);
System.out.println(
map.getConcurrencyLevel() + "|" + map.getSegmentMask() + "|" + map.getSegmentShift());
for (int i = 0; i < 100; i++) {
map.put("" + i, "v" + i);
}
System.out.println(map.size());
Assert.assertThat(map.size(), is(32));
}
@Test
public void testConcurrentLevel() {
ConcurrentLinkedHashMap<String, String> map =
new ConcurrentLinkedHashMap<String, String>(true, 200, listener, 200);
Assert.assertThat(map.getConcurrencyLevel(), is(256));
}
