Examples with FakeTicker com.google.common.testing.FakeTicker used on opensource projects

Example 51 with FakeTicker

use of com.google.common.testing.FakeTicker in project guava by hceylan.

the class LocalCacheTest method testRemovalListener_expired.

public void testRemovalListener_expired() {
    FakeTicker ticker = new FakeTicker();
    QueuingRemovalListener<Object, Object> listener = queuingRemovalListener();
    LocalCache<Object, Object> map = makeLocalCache(createCacheBuilder().concurrencyLevel(1).expireAfterWrite(2, TimeUnit.NANOSECONDS).ticker(ticker).removalListener(listener));
    assertTrue(listener.isEmpty());
    Object one = new Object();
    Object two = new Object();
    Object three = new Object();
    Object four = new Object();
    Object five = new Object();
    map.put(one, two);
    ticker.advance(1);
    map.put(two, three);
    ticker.advance(1);
    map.put(three, four);
    assertTrue(listener.isEmpty());
    ticker.advance(1);
    map.put(four, five);
    assertNotified(listener, one, two, RemovalCause.EXPIRED);
    assertTrue(listener.isEmpty());
}

Example 52 with FakeTicker

use of com.google.common.testing.FakeTicker in project guava by hceylan.

the class CacheExpirationTest method testExpirationOrder_access.

public void testExpirationOrder_access() {
    // test lru within a single segment
    FakeTicker ticker = new FakeTicker();
    IdentityLoader<Integer> loader = identityLoader();
    LoadingCache<Integer, Integer> cache = CacheBuilder.newBuilder().concurrencyLevel(1).expireAfterAccess(10, MILLISECONDS).ticker(ticker).build(loader);
    for (int i = 0; i < 10; i++) {
        cache.getUnchecked(i);
        ticker.advance(1, MILLISECONDS);
    }
    Set<Integer> keySet = cache.asMap().keySet();
    ASSERT.that(keySet).hasContentsAnyOrder(0, 1, 2, 3, 4, 5, 6, 7, 8, 9);
    // 0 expires
    ticker.advance(1, MILLISECONDS);
    ASSERT.that(keySet).hasContentsAnyOrder(1, 2, 3, 4, 5, 6, 7, 8, 9);
    // reorder
    getAll(cache, asList(0, 1, 2));
    CacheTesting.drainRecencyQueues(cache);
    ticker.advance(2, MILLISECONDS);
    ASSERT.that(keySet).hasContentsAnyOrder(3, 4, 5, 6, 7, 8, 9, 0, 1, 2);
    // 3 expires
    ticker.advance(1, MILLISECONDS);
    ASSERT.that(keySet).hasContentsAnyOrder(4, 5, 6, 7, 8, 9, 0, 1, 2);
    // reorder
    getAll(cache, asList(5, 7, 9));
    CacheTesting.drainRecencyQueues(cache);
    ASSERT.that(keySet).hasContentsAnyOrder(4, 6, 8, 0, 1, 2, 5, 7, 9);
    // 4 expires
    ticker.advance(1, MILLISECONDS);
    ASSERT.that(keySet).hasContentsAnyOrder(6, 8, 0, 1, 2, 5, 7, 9);
    ticker.advance(1, MILLISECONDS);
    ASSERT.that(keySet).hasContentsAnyOrder(6, 8, 0, 1, 2, 5, 7, 9);
    // 6 expires
    ticker.advance(1, MILLISECONDS);
    ASSERT.that(keySet).hasContentsAnyOrder(8, 0, 1, 2, 5, 7, 9);
    ticker.advance(1, MILLISECONDS);
    ASSERT.that(keySet).hasContentsAnyOrder(8, 0, 1, 2, 5, 7, 9);
    // 8 expires
    ticker.advance(1, MILLISECONDS);
    ASSERT.that(keySet).hasContentsAnyOrder(0, 1, 2, 5, 7, 9);
}

Example 53 with FakeTicker

use of com.google.common.testing.FakeTicker in project guava by hceylan.

the class CacheExpirationTest method testExpiration_expireAfterWrite.

public void testExpiration_expireAfterWrite() {
    FakeTicker ticker = new FakeTicker();
    CountingRemovalListener<String, Integer> removalListener = countingRemovalListener();
    WatchedCreatorLoader loader = new WatchedCreatorLoader();
    LoadingCache<String, Integer> cache = CacheBuilder.newBuilder().expireAfterWrite(EXPIRING_TIME, MILLISECONDS).removalListener(removalListener).ticker(ticker).build(loader);
    checkExpiration(cache, loader, ticker, removalListener);
}

Example 54 with FakeTicker

use of com.google.common.testing.FakeTicker in project guava by hceylan.

the class CacheExpirationTest method testExpirationOrder_writeAccess.

public void testExpirationOrder_writeAccess() throws ExecutionException {
    // test lru within a single segment
    FakeTicker ticker = new FakeTicker();
    IdentityLoader<Integer> loader = identityLoader();
    LoadingCache<Integer, Integer> cache = CacheBuilder.newBuilder().concurrencyLevel(1).expireAfterWrite(4, MILLISECONDS).expireAfterAccess(2, MILLISECONDS).ticker(ticker).build(loader);
    for (int i = 0; i < 5; i++) {
        cache.getUnchecked(i);
    }
    ticker.advance(1, MILLISECONDS);
    for (int i = 5; i < 10; i++) {
        cache.getUnchecked(i);
    }
    ticker.advance(1, MILLISECONDS);
    Set<Integer> keySet = cache.asMap().keySet();
    ASSERT.that(keySet).hasContentsAnyOrder(0, 1, 2, 3, 4, 5, 6, 7, 8, 9);
    // get saves 1, 3; 0, 2, 4 expire
    getAll(cache, asList(1, 3));
    CacheTesting.drainRecencyQueues(cache);
    ticker.advance(1, MILLISECONDS);
    ASSERT.that(keySet).hasContentsAnyOrder(5, 6, 7, 8, 9, 1, 3);
    // get saves 6, 8; 5, 7, 9 expire
    getAll(cache, asList(6, 8));
    CacheTesting.drainRecencyQueues(cache);
    ticker.advance(1, MILLISECONDS);
    ASSERT.that(keySet).hasContentsAnyOrder(1, 3, 6, 8);
    // get fails to save 1, put saves 3
    cache.asMap().put(3, -3);
    getAll(cache, asList(1));
    CacheTesting.drainRecencyQueues(cache);
    ticker.advance(1, MILLISECONDS);
    ASSERT.that(keySet).hasContentsAnyOrder(6, 8, 3);
    // get(K, Callable) fails to save 8, replace saves 6
    cache.asMap().replace(6, -6);
    cache.get(8, Callables.returning(-8));
    CacheTesting.drainRecencyQueues(cache);
    ticker.advance(1, MILLISECONDS);
    ASSERT.that(keySet).hasContentsAnyOrder(3, 6);
}

Example 55 with FakeTicker

use of com.google.common.testing.FakeTicker in project guava by hceylan.

the class CacheExpirationTest method testExpirationOrder_write.

public void testExpirationOrder_write() throws ExecutionException {
    // test lru within a single segment
    FakeTicker ticker = new FakeTicker();
    IdentityLoader<Integer> loader = identityLoader();
    LoadingCache<Integer, Integer> cache = CacheBuilder.newBuilder().concurrencyLevel(1).expireAfterWrite(10, MILLISECONDS).ticker(ticker).build(loader);
    for (int i = 0; i < 10; i++) {
        cache.getUnchecked(i);
        ticker.advance(1, MILLISECONDS);
    }
    Set<Integer> keySet = cache.asMap().keySet();
    ASSERT.that(keySet).hasContentsAnyOrder(0, 1, 2, 3, 4, 5, 6, 7, 8, 9);
    // 0 expires
    ticker.advance(1, MILLISECONDS);
    ASSERT.that(keySet).hasContentsAnyOrder(1, 2, 3, 4, 5, 6, 7, 8, 9);
    // get doesn't stop 1 from expiring
    getAll(cache, asList(0, 1, 2));
    CacheTesting.drainRecencyQueues(cache);
    ticker.advance(1, MILLISECONDS);
    ASSERT.that(keySet).hasContentsAnyOrder(2, 3, 4, 5, 6, 7, 8, 9, 0);
    // get(K, Callable) doesn't stop 2 from expiring
    cache.get(2, Callables.returning(-2));
    CacheTesting.drainRecencyQueues(cache);
    ticker.advance(1, MILLISECONDS);
    ASSERT.that(keySet).hasContentsAnyOrder(3, 4, 5, 6, 7, 8, 9, 0);
    // asMap.put saves 3
    cache.asMap().put(3, -3);
    ticker.advance(1, MILLISECONDS);
    ASSERT.that(keySet).hasContentsAnyOrder(4, 5, 6, 7, 8, 9, 0, 3);
    // asMap.replace saves 4
    cache.asMap().replace(4, -4);
    ticker.advance(1, MILLISECONDS);
    ASSERT.that(keySet).hasContentsAnyOrder(5, 6, 7, 8, 9, 0, 3, 4);
    // 5 expires
    ticker.advance(1, MILLISECONDS);
    ASSERT.that(keySet).hasContentsAnyOrder(6, 7, 8, 9, 0, 3, 4);
}