Remove obsolete code in ConcurrentReferenceHashMapTests

Author: sbrannen

spring-core/src/test/java/org/springframework/util/ConcurrentReferenceHashMapTests.java

@@ -509,28 +509,17 @@ void shouldSupportNullReference() {
 		map.createReferenceManager().createReference(null, 1234, null);
 	}
 
-	private interface ValueFactory<V> {
-
-		V newValue(int k);
-	}
-
 
 	private static class TestWeakConcurrentCache<K, V> extends ConcurrentReferenceHashMap<K, V> {
 
 		private int supplementalHash;
 
 		private final LinkedList<MockReference<K, V>> queue = new LinkedList<>();
 
-		private boolean disableTestHooks;
-
 		public TestWeakConcurrentCache() {
 			super();
 		}
 
-		public void setDisableTestHooks(boolean disableTestHooks) {
-			this.disableTestHooks = disableTestHooks;
-		}
-
 		public TestWeakConcurrentCache(int initialCapacity, float loadFactor, int concurrencyLevel) {
 			super(initialCapacity, loadFactor, concurrencyLevel);
 		}
@@ -541,9 +530,6 @@ public TestWeakConcurrentCache(int initialCapacity, int concurrencyLevel) {
 
 		@Override
 		protected int getHash(@Nullable Object o) {
-			if (this.disableTestHooks) {
-				return super.getHash(o);
-			}
 			// For testing we want more control of the hash
 			this.supplementalHash = super.getHash(o);
 			return (o != null ? o.hashCode() : 0);
@@ -558,16 +544,10 @@ protected ReferenceManager createReferenceManager() {
 			return new ReferenceManager() {
 				@Override
 				public Reference<K, V> createReference(Entry<K, V> entry, int hash, @Nullable Reference<K, V> next) {
-					if (TestWeakConcurrentCache.this.disableTestHooks) {
-						return super.createReference(entry, hash, next);
-					}
 					return new MockReference<>(entry, hash, next, TestWeakConcurrentCache.this.queue);
 				}
 				@Override
 				public Reference<K, V> pollForPurge() {
-					if (TestWeakConcurrentCache.this.disableTestHooks) {
-						return super.pollForPurge();
-					}
 					return TestWeakConcurrentCache.this.queue.isEmpty() ? null : TestWeakConcurrentCache.this.queue.removeFirst();
 				}
 			};