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1 /*
2  * Copyright (C) 2011 The Guava Authors
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
5  * in compliance with the License. You may obtain a copy of the License at
6  *
7  * http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software distributed under the License
10  * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
11  * or implied. See the License for the specific language governing permissions and limitations under
12  * the License.
13  */
14 
15 package com.google.common.collect;
16 
17 import static com.google.common.collect.BstTesting.countAggregate;
18 
19 import com.google.common.annotations.GwtCompatible;
20 import com.google.common.collect.BstTesting.SimpleNode;
21 
22 import junit.framework.Test;
23 import junit.framework.TestCase;
24 import junit.framework.TestSuite;
25 
26 /**
27  * Tests for the policies exported by {@link BstCountBasedBalancePolicies}
28  *
29  * @author Louis Wasserman
30  */
31 @GwtCompatible
32 public class BstCountBasedBalancePoliciesTest extends TestCase {
33   public static class NoRebalanceTest extends AbstractBstBalancePolicyTest {
34     @Override
getBalancePolicy()35     protected BstBalancePolicy<SimpleNode> getBalancePolicy() {
36       return BstCountBasedBalancePolicies.noRebalancePolicy(countAggregate);
37     }
38   }
39 
40   public static class SingleRebalanceTest extends AbstractBstBalancePolicyTest {
41     @Override
getBalancePolicy()42     protected BstBalancePolicy<SimpleNode> getBalancePolicy() {
43       return BstCountBasedBalancePolicies.<Character, SimpleNode>singleRebalancePolicy(
44           countAggregate);
45     }
46   }
47 
48   public static class FullRebalanceTest extends AbstractBstBalancePolicyTest {
49     @Override
getBalancePolicy()50     protected BstBalancePolicy<SimpleNode> getBalancePolicy() {
51       return BstCountBasedBalancePolicies.<Character, SimpleNode>fullRebalancePolicy(
52           countAggregate);
53     }
54   }
55 
suite()56   public static Test suite() {
57     TestSuite suite = new TestSuite();
58     suite.addTestSuite(NoRebalanceTest.class);
59     suite.addTestSuite(SingleRebalanceTest.class);
60     suite.addTestSuite(FullRebalanceTest.class);
61     return suite;
62   }
63 }
64