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package org.jgroups.blocks;
import org.testng.annotations.Test;
import org.jgroups.Global;
import org.jgroups.util.UUID;
import org.jgroups.util.Util;
import java.util.Arrays;
import java.util.List;
/**
* @author Bela Ban
*/
@Test(groups=Global.FUNCTIONAL,sequential=false)
public class LazyRemovalCacheTest {
public static void testAdd() {
LazyRemovalCache<UUID, String> cache=new LazyRemovalCache<UUID, String>();
UUID uuid=UUID.randomUUID();
cache.add(uuid, "node-1");
System.out.println("cache = " + cache);
assert 1 == cache.size();
String val=cache.get(uuid);
assert val != null && val.equals("node-1");
cache.remove(uuid);
System.out.println("cache = " + cache);
}
public static void testRemoveAll() {
LazyRemovalCache<UUID, String> cache=new LazyRemovalCache<UUID, String>(10, 0);
List<UUID> list=Arrays.asList(UUID.randomUUID(), UUID.randomUUID(), UUID.randomUUID());
int cnt=1;
for(UUID uuid: list)
cache.add(uuid, "node-" + cnt++);
UUID uuid1=UUID.randomUUID();
UUID uuid2=UUID.randomUUID();
cache.add(uuid1, "foo");
cache.add(uuid2, "bar");
System.out.println("cache = " + cache);
assert cache.size() == 5;
System.out.println("removing " + list);
cache.removeAll(list);
System.out.println("cache = " + cache);
assert cache.size() == 5;
assert cache.get(uuid1).equals("foo");
assert cache.get(uuid2).equals("bar");
cache.removeMarkedElements();
System.out.println("cache = " + cache);
assert cache.size() == 2;
assert cache.get(uuid1).equals("foo");
assert cache.get(uuid2).equals("bar");
}
public static void testRetainAll() {
LazyRemovalCache<UUID, String> cache=new LazyRemovalCache<UUID, String>(10, 0);
List<UUID> list=Arrays.asList(UUID.randomUUID(), UUID.randomUUID(), UUID.randomUUID());
int cnt=1;
for(UUID uuid: list)
cache.add(uuid, "node-" + cnt++);
UUID uuid1=UUID.randomUUID();
UUID uuid2=UUID.randomUUID();
cache.add(uuid1, "foo");
cache.add(uuid2, "bar");
System.out.println("cache = " + cache);
assert cache.size() == 5;
List<UUID> retain=Arrays.asList(uuid1, uuid2);
System.out.println("retaining " + retain);
cache.retainAll(retain);
System.out.println("cache = " + cache);
assert cache.size() == 5;
assert cache.get(uuid1).equals("foo");
assert cache.get(uuid2).equals("bar");
cache.removeMarkedElements();
System.out.println("cache = " + cache);
assert cache.size() == 2;
assert cache.get(uuid1).equals("foo");
assert cache.get(uuid2).equals("bar");
}
public static void testRemovalOnExceedingMaxSize() {
LazyRemovalCache<UUID, String> cache=new LazyRemovalCache<UUID, String>(2, 0);
UUID u1=UUID.randomUUID(), u2=UUID.randomUUID(), u3=UUID.randomUUID(), u4=UUID.randomUUID();
cache.add(u1, "u1"); cache.add(u2, "u2");
assert cache.size() == 2;
cache.add(u3, "u3"); cache.add(u4, "u4");
System.out.println("cache = " + cache);
assert cache.size() == 4;
cache.remove(u3);
System.out.println("cache = " + cache);
assert cache.size() == 3;
cache.remove(u1);
System.out.println("cache = " + cache);
assert cache.size() == 2;
cache.remove(u4);
System.out.println("cache = " + cache);
assert cache.size() == 2;
cache.removeMarkedElements();
System.out.println("cache = " + cache);
assert cache.size() == 1;
}
public static void testRemovalOnExceedingMaxSizeAndMaxTime() {
LazyRemovalCache<UUID, String> cache=new LazyRemovalCache<UUID, String>(2, 1000);
UUID u1=UUID.randomUUID(), u2=UUID.randomUUID(), u3=UUID.randomUUID(), u4=UUID.randomUUID();
cache.add(u1, "u1"); cache.add(u2, "u2");
assert cache.size() == 2;
cache.add(u3, "u3"); cache.add(u4, "u4");
System.out.println("cache = " + cache);
assert cache.size() == 4;
cache.remove(u3);
System.out.println("cache = " + cache);
assert cache.size() == 4;
cache.remove(u1);
System.out.println("cache = " + cache);
assert cache.size() == 4;
cache.remove(u4);
System.out.println("cache = " + cache);
assert cache.size() == 4;
cache.removeMarkedElements();
System.out.println("cache = " + cache);
assert cache.size() == 4;
System.out.println("sleeping for 1 sec");
Util.sleep(1100);
cache.remove(u4);
System.out.println("cache = " + cache);
assert cache.size() == 1;
}
}
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