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/testability-explorer/src/test/java/com/google/test/metric/collection/LazyHashMapTest.java

http://testability-explorer.googlecode.com/
Java | 38 lines | 16 code | 4 blank | 18 comment | 0 complexity | 293148a6a160f3dd867f3a40404b99cb MD5 | raw file
 1/*
 2 * Copyright 2009 Google Inc.
 3 *
 4 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 5 * use this file except in compliance with the License. You may obtain a copy of
 6 * the License at
 7 *
 8 * http://www.apache.org/licenses/LICENSE-2.0
 9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
12 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
13 * License for the specific language governing permissions and limitations under
14 * the License.
15 */
16package com.google.test.metric.collection;
17
18import java.util.Map;
19
20import junit.framework.TestCase;
21
22import com.google.common.base.Supplier;
23
24/**
25 * @author alexeagle@google.com (Alex Eagle)
26 */
27public class LazyHashMapTest extends TestCase {
28  public void testGetNonExistantValue() throws Exception {
29    Supplier<Number> numberSupplier = new Supplier<Number>() {
30      public Number get() {
31        return 3;
32      }
33    };
34    Map<String, Number> map = new LazyHashMap<String, Number>(numberSupplier);
35    map.get("hello");
36    assertEquals(3, map.get("hello"));
37  }
38}