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 17 package com.google.common.base; 18 19 import static com.google.common.truth.Truth.assertThat; 20 21 import com.google.common.annotations.GwtIncompatible; 22 import junit.framework.TestCase; 23 24 /** 25 * Unit test for {@link Defaults}. 26 * 27 * @author Jige Yu 28 */ 29 @GwtIncompatible 30 public class DefaultsTest extends TestCase { testGetDefaultValue()31 public void testGetDefaultValue() { 32 assertEquals(false, Defaults.defaultValue(boolean.class).booleanValue()); 33 assertEquals('\0', Defaults.defaultValue(char.class).charValue()); 34 assertEquals(0, Defaults.defaultValue(byte.class).byteValue()); 35 assertEquals(0, Defaults.defaultValue(short.class).shortValue()); 36 assertEquals(0, Defaults.defaultValue(int.class).intValue()); 37 assertEquals(0, Defaults.defaultValue(long.class).longValue()); 38 assertEquals(0.0f, Defaults.defaultValue(float.class).floatValue()); 39 assertThat(Defaults.defaultValue(double.class).doubleValue()).isEqualTo(0.0d); 40 assertNull(Defaults.defaultValue(void.class)); 41 assertNull(Defaults.defaultValue(String.class)); 42 } 43 } 44