11d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert/* 21d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * Copyright (C) 2007 The Guava Authors 31d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * 41d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * Licensed under the Apache License, Version 2.0 (the "License"); 51d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * you may not use this file except in compliance with the License. 61d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * You may obtain a copy of the License at 71d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * 81d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * http://www.apache.org/licenses/LICENSE-2.0 91d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * 101d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * Unless required by applicable law or agreed to in writing, software 111d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * distributed under the License is distributed on an "AS IS" BASIS, 121d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 131d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * See the License for the specific language governing permissions and 141d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * limitations under the License. 151d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert */ 161d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 171d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertpackage com.google.common.primitives; 181d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 191d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertimport com.google.common.collect.ImmutableSet; 201d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertimport com.google.common.testing.NullPointerTester; 211d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 221d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertimport junit.framework.TestCase; 231d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 241d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertimport java.util.Set; 251d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 261d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert/** 271d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * Unit test for {@link Primitives}. 281d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * 291d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * @author Kevin Bourrillion 301d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert */ 311d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertpublic class PrimitivesTest extends TestCase { 321d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert public void testIsWrapperType() { 331d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert assertTrue(Primitives.isWrapperType(Void.class)); 341d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert assertFalse(Primitives.isWrapperType(void.class)); 351d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 361d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 371d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert public void testWrap() { 381d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert assertSame(Integer.class, Primitives.wrap(int.class)); 391d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert assertSame(Integer.class, Primitives.wrap(Integer.class)); 401d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert assertSame(String.class, Primitives.wrap(String.class)); 411d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 421d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 431d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert public void testUnwrap() { 441d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert assertSame(int.class, Primitives.unwrap(Integer.class)); 451d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert assertSame(int.class, Primitives.unwrap(int.class)); 461d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert assertSame(String.class, Primitives.unwrap(String.class)); 471d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 481d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 491d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert public void testAllPrimitiveTypes() { 501d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert Set<Class<?>> primitives = Primitives.allPrimitiveTypes(); 511d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert assertEquals( 521d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert ImmutableSet.<Object>of( 531d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert boolean.class, byte.class, char.class, double.class, 541d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert float.class, int.class, long.class, short.class, void.class), 551d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert primitives); 561d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 571d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert try { 581d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert primitives.remove(boolean.class); 591d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert fail(); 601d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } catch (UnsupportedOperationException expected) { 611d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 621d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 631d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 641d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert public void testAllWrapperTypes() { 651d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert Set<Class<?>> wrappers = Primitives.allWrapperTypes(); 661d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert assertEquals( 671d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert ImmutableSet.<Object>of( 681d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert Boolean.class, Byte.class, Character.class, Double.class, 691d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert Float.class, Integer.class, Long.class, Short.class, Void.class), 701d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert wrappers); 711d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 721d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert try { 731d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert wrappers.remove(Boolean.class); 741d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert fail(); 751d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } catch (UnsupportedOperationException expected) { 761d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 771d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 781d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 791d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert public void testNullPointerExceptions() throws Exception { 801d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert NullPointerTester tester = new NullPointerTester(); 811d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert tester.testAllPublicStaticMethods(Primitives.class); 821d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 831d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert} 84