DefaultsTest.java revision 1d580d0f6ee4f21eb309ba7b509d2c6d671c4044 
1/*
2 * Copyright (C) 2007 The Guava Authors
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of 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,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.google.common.base;
18
19import junit.framework.TestCase;
20
21/**
22 * Unit test for {@link Defaults}.
23 *
24 * @author Jige Yu
25 */
26public class DefaultsTest extends TestCase {
27  public void testGetDefaultValue() {
28    assertEquals(false, Defaults.defaultValue(boolean.class).booleanValue());
29    assertEquals('\0', Defaults.defaultValue(char.class).charValue());
30    assertEquals(0, Defaults.defaultValue(byte.class).byteValue());
31    assertEquals(0, Defaults.defaultValue(short.class).shortValue());
32    assertEquals(0, Defaults.defaultValue(int.class).intValue());
33    assertEquals(0, Defaults.defaultValue(long.class).longValue());
34    assertEquals(0.0f, Defaults.defaultValue(float.class).floatValue());
35    assertEquals(0.0d, Defaults.defaultValue(double.class).doubleValue());
36    assertNull(Defaults.defaultValue(void.class));
37    assertNull(Defaults.defaultValue(String.class));
38  }
39}
40