@GwtIncompatible // weigher public void testWeigher_withMaximumSize() { try { CacheBuilder.newBuilder().weigher(constantWeigher(42)).maximumSize(1); fail(); } catch (IllegalStateException expected) { } try { CacheBuilder.newBuilder().maximumSize(1).weigher(constantWeigher(42)); fail(); } catch (IllegalStateException expected) { } }
public void testEviction_overweight() { // test weighted lru within a single segment IdentityLoader<Integer> loader = identityLoader(); LoadingCache<Integer, Integer> cache = CacheBuilder.newBuilder() .concurrencyLevel(1) .maximumWeight(45) .weigher(intKeyWeigher()) .build(loader); CacheTesting.warmUp(cache, 0, 10); Set<Integer> keySet = cache.asMap().keySet(); assertThat(keySet).containsExactly(0, 1, 2, 3, 4, 5, 6, 7, 8, 9); // add an at-the-maximum-weight entry getAll(cache, asList(45)); CacheTesting.drainRecencyQueues(cache); assertThat(keySet).containsExactly(0, 45); // add an over-the-maximum-weight entry getAll(cache, asList(46)); CacheTesting.drainRecencyQueues(cache); assertThat(keySet).contains(0); }
.concurrencyLevel(1) .maximumWeight(4) .weigher(intValueWeigher()) .removalListener(removalListener) .build(loader);
@GwtIncompatible // weigher public void testWeigher_withoutMaximumWeight() { CacheBuilder<Object, Object> builder = CacheBuilder.newBuilder().weigher(constantWeigher(42)); try { builder.build(identityLoader()); fail(); } catch (IllegalStateException expected) { } }
.concurrencyLevel(1) .maximumWeight(45) .weigher(intKeyWeigher()) .build(loader); CacheTesting.warmUp(cache, 0, 10);
.weigher(intValueWeigher()) .removalListener(removalListener) .executor(MoreExecutors.directExecutor()),
public void testMaximumSize_withWeigher() { CacheBuilder<Object, Object> builder = CacheBuilder.from(parse("maximumSize=9000")); builder.weigher(constantWeigher(42)).build(CacheLoader.from(Suppliers.ofInstance(null))); }
public void testEviction_overweight() { // test weighted lru within a single segment IdentityLoader<Integer> loader = identityLoader(); LoadingCache<Integer, Integer> cache = CaffeinatedGuava.build(Caffeine.newBuilder() .executor(MoreExecutors.directExecutor()) .maximumWeight(45) .weigher(intKeyWeigher()), loader); CacheTesting.warmUp(cache, 0, 10); Set<Integer> keySet = cache.asMap().keySet(); assertThat(keySet).containsExactly(0, 1, 2, 3, 4, 5, 6, 7, 8, 9); // add an at-the-maximum-weight entry getAll(cache, asList(45)); CacheTesting.drainRecencyQueues(cache); assertThat(keySet).containsExactly(0, 45); // add an over-the-maximum-weight entry getAll(cache, asList(46)); CacheTesting.drainRecencyQueues(cache); assertThat(keySet).contains(0); }
.concurrencyLevel(1) .maximumWeight(4) .weigher(intValueWeigher()) .removalListener(removalListener) .build(loader);
public void testMaximumWeight_withWeigher() { CacheBuilder<Object, Object> builder = CacheBuilder.from(parse("maximumWeight=9000")); builder.weigher(constantWeigher(42)).build(CacheLoader.from(Suppliers.ofInstance(null))); }
.executor(MoreExecutors.directExecutor()) .maximumWeight(45) .weigher(intKeyWeigher()), loader); CacheTesting.warmUp(cache, 0, 10); Set<Integer> keySet = cache.asMap().keySet();
public void testEviction_setMaxSegmentWeight() { IdentityLoader<Object> loader = identityLoader(); for (int i = 1; i < 1000; i++) { LoadingCache<Object, Object> cache = CacheBuilder.newBuilder().maximumWeight(i).weigher(constantWeigher(1)).build(loader); assertEquals(i, CacheTesting.getTotalSegmentSize(cache)); } }
public void testEviction_overweight() { // test weighted lru within a single segment IdentityLoader<Integer> loader = identityLoader(); LoadingCache<Integer, Integer> cache = CacheBuilder.newBuilder() .concurrencyLevel(1) .maximumWeight(45) .weigher(intKeyWeigher()) .build(loader); CacheTesting.warmUp(cache, 0, 10); Set<Integer> keySet = cache.asMap().keySet(); assertThat(keySet).containsExactly(0, 1, 2, 3, 4, 5, 6, 7, 8, 9); // add an at-the-maximum-weight entry getAll(cache, asList(45)); CacheTesting.drainRecencyQueues(cache); assertThat(keySet).containsExactly(0, 45); // add an over-the-maximum-weight entry getAll(cache, asList(46)); CacheTesting.drainRecencyQueues(cache); assertThat(keySet).contains(0); }
public void testEviction_overflow() { CountingRemovalListener<Object, Object> removalListener = countingRemovalListener(); IdentityLoader<Object> loader = identityLoader(); LoadingCache<Object, Object> cache = CacheBuilder.newBuilder() .concurrencyLevel(1) .maximumWeight(1L << 31) .weigher(constantWeigher(Integer.MAX_VALUE)) .removalListener(removalListener) .build(loader); cache.getUnchecked(objectWithHash(0)); cache.getUnchecked(objectWithHash(0)); CacheTesting.processPendingNotifications(cache); assertEquals(1, removalListener.getCount()); }
.concurrencyLevel(1) .maximumWeight(45) .weigher(intKeyWeigher()) .build(loader); CacheTesting.warmUp(cache, 0, 10);
public void testEviction_maxWeightOneSegment() { IdentityLoader<Integer> loader = identityLoader(); LoadingCache<Integer, Integer> cache = CacheBuilder.newBuilder() .concurrencyLevel(1) .maximumWeight(2 * MAX_SIZE) .weigher(constantWeigher(2)) .build(loader); for (int i = 0; i < 2 * MAX_SIZE; i++) { cache.getUnchecked(i); assertEquals(Math.min(i + 1, MAX_SIZE), cache.size()); } assertEquals(MAX_SIZE, cache.size()); CacheTesting.checkValidState(cache); }
public void testEviction_maxWeight() { CountingRemovalListener<Integer, Integer> removalListener = countingRemovalListener(); IdentityLoader<Integer> loader = identityLoader(); LoadingCache<Integer, Integer> cache = CacheBuilder.newBuilder() .maximumWeight(2 * MAX_SIZE) .weigher(constantWeigher(2)) .removalListener(removalListener) .build(loader); for (int i = 0; i < 2 * MAX_SIZE; i++) { cache.getUnchecked(i); assertTrue(cache.size() <= MAX_SIZE); } assertEquals(MAX_SIZE, CacheTesting.accessQueueSize(cache)); assertEquals(MAX_SIZE, cache.size()); CacheTesting.processPendingNotifications(cache); assertEquals(MAX_SIZE, removalListener.getCount()); CacheTesting.checkValidState(cache); }
public void testEviction_maxWeightOneSegment() { IdentityLoader<Integer> loader = identityLoader(); LoadingCache<Integer, Integer> cache = CaffeinatedGuava.build(Caffeine.newBuilder() .executor(MoreExecutors.directExecutor()) .maximumWeight(2 * MAX_SIZE) .weigher(constantWeigher(2)), loader); for (int i = 0; i < 2 * MAX_SIZE; i++) { cache.getUnchecked(i); assertEquals(Math.min(i + 1, MAX_SIZE), cache.size()); } assertEquals(MAX_SIZE, cache.size()); CacheTesting.checkValidState(cache); }
@GwtIncompatible("weigher") public void testWeigher_withMaximumSize() { try { Caffeine.newBuilder() .weigher(constantWeigher(42)) .maximumSize(1); fail(); } catch (IllegalStateException expected) {} try { Caffeine.newBuilder() .maximumSize(1) .weigher(constantWeigher(42)); fail(); } catch (IllegalStateException expected) {} }
public void testEviction_overflow() { CountingRemovalListener<Object, Object> removalListener = countingRemovalListener(); IdentityLoader<Object> loader = identityLoader(); LoadingCache<Object, Object> cache = CaffeinatedGuava.build(Caffeine.newBuilder() .maximumWeight(1L << 31) .executor(MoreExecutors.directExecutor()) .weigher(constantWeigher(Integer.MAX_VALUE)) .removalListener(removalListener), loader); cache.getUnchecked(objectWithHash(0)); cache.getUnchecked(objectWithHash(0)); assertEquals(1, removalListener.getCount()); }