| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.apache.commons.lang3; |
| |
| import static org.junit.jupiter.api.Assertions.assertEquals; |
| import static org.junit.jupiter.api.Assertions.assertFalse; |
| import static org.junit.jupiter.api.Assertions.assertNull; |
| import static org.junit.jupiter.api.Assertions.assertThrows; |
| import static org.junit.jupiter.api.Assertions.assertTrue; |
| |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.EnumSet; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.function.Function; |
| |
| import org.junit.jupiter.api.Assertions; |
| import org.junit.jupiter.api.Test; |
| |
| enum Enum64 { |
| A00, A01, A02, A03, A04, A05, A06, A07, A08, A09, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, |
| A23, A24, A25, A26, A27, A28, A29, A30, A31, A32, A33, A34, A35, A36, A37, A38, A39, A40, A41, A42, A43, A44, A45, |
| A46, A47, A48, A49, A50, A51, A52, A53, A54, A55, A56, A57, A58, A59, A60, A61, A62, A63 |
| } |
| |
| /** |
| * |
| */ |
| public class EnumUtilsTest extends AbstractLangTest { |
| |
| private void assertArrayEquals(final long[] actual, final long... expected) { |
| Assertions.assertArrayEquals(expected, actual); |
| } |
| |
| @Test |
| public void test_generateBitVector() { |
| assertEquals(0L, EnumUtils.generateBitVector(Traffic.class, EnumSet.noneOf(Traffic.class))); |
| assertEquals(1L, EnumUtils.generateBitVector(Traffic.class, EnumSet.of(Traffic.RED))); |
| assertEquals(2L, EnumUtils.generateBitVector(Traffic.class, EnumSet.of(Traffic.AMBER))); |
| assertEquals(4L, EnumUtils.generateBitVector(Traffic.class, EnumSet.of(Traffic.GREEN))); |
| assertEquals(3L, EnumUtils.generateBitVector(Traffic.class, EnumSet.of(Traffic.RED, Traffic.AMBER))); |
| assertEquals(5L, EnumUtils.generateBitVector(Traffic.class, EnumSet.of(Traffic.RED, Traffic.GREEN))); |
| assertEquals(6L, EnumUtils.generateBitVector(Traffic.class, EnumSet.of(Traffic.AMBER, Traffic.GREEN))); |
| assertEquals(7L, |
| EnumUtils.generateBitVector(Traffic.class, EnumSet.of(Traffic.RED, Traffic.AMBER, Traffic.GREEN))); |
| |
| // 64 values Enum (to test whether no int<->long jdk conversion issue exists) |
| assertEquals((1L << 31), EnumUtils.generateBitVector(Enum64.class, EnumSet.of(Enum64.A31))); |
| assertEquals((1L << 32), EnumUtils.generateBitVector(Enum64.class, EnumSet.of(Enum64.A32))); |
| assertEquals((1L << 63), EnumUtils.generateBitVector(Enum64.class, EnumSet.of(Enum64.A63))); |
| assertEquals(Long.MIN_VALUE, EnumUtils.generateBitVector(Enum64.class, EnumSet.of(Enum64.A63))); |
| } |
| |
| @Test |
| public void test_generateBitVector_longClass() { |
| assertThrows(IllegalArgumentException.class, |
| () -> EnumUtils.generateBitVector(TooMany.class, EnumSet.of(TooMany.A1))); |
| } |
| |
| @Test |
| public void test_generateBitVector_longClassWithArray() { |
| assertThrows(IllegalArgumentException.class, () -> EnumUtils.generateBitVector(TooMany.class, TooMany.A1)); |
| } |
| |
| @SuppressWarnings("unchecked") |
| @Test |
| public void test_generateBitVector_nonEnumClass() { |
| @SuppressWarnings("rawtypes") |
| final Class rawType = Object.class; |
| @SuppressWarnings("rawtypes") |
| final List rawList = new ArrayList(); |
| assertThrows(IllegalArgumentException.class, () -> EnumUtils.generateBitVector(rawType, rawList)); |
| } |
| |
| @SuppressWarnings("unchecked") |
| @Test |
| public void test_generateBitVector_nonEnumClassWithArray() { |
| @SuppressWarnings("rawtypes") |
| final Class rawType = Object.class; |
| assertThrows(IllegalArgumentException.class, () -> EnumUtils.generateBitVector(rawType)); |
| } |
| |
| @Test |
| public void test_generateBitVector_nullArray() { |
| assertThrows(NullPointerException.class, () -> EnumUtils.generateBitVector(Traffic.class, (Traffic[]) null)); |
| } |
| |
| @Test |
| public void test_generateBitVector_nullArrayElement() { |
| assertThrows(IllegalArgumentException.class, |
| () -> EnumUtils.generateBitVector(Traffic.class, Traffic.RED, null)); |
| } |
| |
| @Test |
| public void test_generateBitVector_nullClass() { |
| assertThrows(NullPointerException.class, () -> EnumUtils.generateBitVector(null, EnumSet.of(Traffic.RED))); |
| } |
| |
| @Test |
| public void test_generateBitVector_nullClassWithArray() { |
| assertThrows(NullPointerException.class, () -> EnumUtils.generateBitVector(null, Traffic.RED)); |
| } |
| |
| @Test |
| public void test_generateBitVector_nullElement() { |
| assertThrows(NullPointerException.class, |
| () -> EnumUtils.generateBitVector(Traffic.class, Arrays.asList(Traffic.RED, null))); |
| } |
| |
| @Test |
| public void test_generateBitVector_nullIterable() { |
| assertThrows(NullPointerException.class, |
| () -> EnumUtils.generateBitVector(Traffic.class, (Iterable<Traffic>) null)); |
| } |
| |
| @Test |
| public void test_generateBitVectorFromArray() { |
| assertEquals(0L, EnumUtils.generateBitVector(Traffic.class)); |
| assertEquals(1L, EnumUtils.generateBitVector(Traffic.class, Traffic.RED)); |
| assertEquals(2L, EnumUtils.generateBitVector(Traffic.class, Traffic.AMBER)); |
| assertEquals(4L, EnumUtils.generateBitVector(Traffic.class, Traffic.GREEN)); |
| assertEquals(3L, EnumUtils.generateBitVector(Traffic.class, Traffic.RED, Traffic.AMBER)); |
| assertEquals(5L, EnumUtils.generateBitVector(Traffic.class, Traffic.RED, Traffic.GREEN)); |
| assertEquals(6L, EnumUtils.generateBitVector(Traffic.class, Traffic.AMBER, Traffic.GREEN)); |
| assertEquals(7L, EnumUtils.generateBitVector(Traffic.class, Traffic.RED, Traffic.AMBER, Traffic.GREEN)); |
| // gracefully handles duplicates: |
| assertEquals(7L, |
| EnumUtils.generateBitVector(Traffic.class, Traffic.RED, Traffic.AMBER, Traffic.GREEN, Traffic.GREEN)); |
| |
| // 64 values Enum (to test whether no int<->long jdk conversion issue exists) |
| assertEquals((1L << 31), EnumUtils.generateBitVector(Enum64.class, Enum64.A31)); |
| assertEquals((1L << 32), EnumUtils.generateBitVector(Enum64.class, Enum64.A32)); |
| assertEquals((1L << 63), EnumUtils.generateBitVector(Enum64.class, Enum64.A63)); |
| assertEquals(Long.MIN_VALUE, EnumUtils.generateBitVector(Enum64.class, Enum64.A63)); |
| } |
| |
| @Test |
| public void test_generateBitVectors() { |
| assertArrayEquals(EnumUtils.generateBitVectors(Traffic.class, EnumSet.noneOf(Traffic.class)), 0L); |
| assertArrayEquals(EnumUtils.generateBitVectors(Traffic.class, EnumSet.of(Traffic.RED)), 1L); |
| assertArrayEquals(EnumUtils.generateBitVectors(Traffic.class, EnumSet.of(Traffic.AMBER)), 2L); |
| assertArrayEquals(EnumUtils.generateBitVectors(Traffic.class, EnumSet.of(Traffic.GREEN)), 4L); |
| assertArrayEquals(EnumUtils.generateBitVectors(Traffic.class, EnumSet.of(Traffic.RED, Traffic.AMBER)), 3L); |
| assertArrayEquals(EnumUtils.generateBitVectors(Traffic.class, EnumSet.of(Traffic.RED, Traffic.GREEN)), 5L); |
| assertArrayEquals(EnumUtils.generateBitVectors(Traffic.class, EnumSet.of(Traffic.AMBER, Traffic.GREEN)), 6L); |
| assertArrayEquals( |
| EnumUtils.generateBitVectors(Traffic.class, EnumSet.of(Traffic.RED, Traffic.AMBER, Traffic.GREEN)), 7L); |
| |
| // 64 values Enum (to test whether no int<->long jdk conversion issue exists) |
| assertArrayEquals(EnumUtils.generateBitVectors(Enum64.class, EnumSet.of(Enum64.A31)), (1L << 31)); |
| assertArrayEquals(EnumUtils.generateBitVectors(Enum64.class, EnumSet.of(Enum64.A32)), (1L << 32)); |
| assertArrayEquals(EnumUtils.generateBitVectors(Enum64.class, EnumSet.of(Enum64.A63)), (1L << 63)); |
| assertArrayEquals(EnumUtils.generateBitVectors(Enum64.class, EnumSet.of(Enum64.A63)), Long.MIN_VALUE); |
| |
| // More than 64 values Enum |
| assertArrayEquals(EnumUtils.generateBitVectors(TooMany.class, EnumSet.of(TooMany.M2)), 1L, 0L); |
| assertArrayEquals(EnumUtils.generateBitVectors(TooMany.class, EnumSet.of(TooMany.L2, TooMany.M2)), 1L, |
| (1L << 63)); |
| } |
| |
| @SuppressWarnings("unchecked") |
| @Test |
| public void test_generateBitVectors_nonEnumClass() { |
| @SuppressWarnings("rawtypes") |
| final Class rawType = Object.class; |
| @SuppressWarnings("rawtypes") |
| final List rawList = new ArrayList(); |
| assertThrows(IllegalArgumentException.class, () -> EnumUtils.generateBitVectors(rawType, rawList)); |
| } |
| |
| @SuppressWarnings("unchecked") |
| @Test |
| public void test_generateBitVectors_nonEnumClassWithArray() { |
| @SuppressWarnings("rawtypes") |
| final Class rawType = Object.class; |
| assertThrows(IllegalArgumentException.class, () -> EnumUtils.generateBitVectors(rawType)); |
| } |
| |
| @Test |
| public void test_generateBitVectors_nullArray() { |
| assertThrows(NullPointerException.class, () -> EnumUtils.generateBitVectors(Traffic.class, (Traffic[]) null)); |
| } |
| |
| @Test |
| public void test_generateBitVectors_nullArrayElement() { |
| assertThrows(IllegalArgumentException.class, |
| () -> EnumUtils.generateBitVectors(Traffic.class, Traffic.RED, null)); |
| } |
| |
| @Test |
| public void test_generateBitVectors_nullClass() { |
| assertThrows(NullPointerException.class, () -> EnumUtils.generateBitVectors(null, EnumSet.of(Traffic.RED))); |
| } |
| |
| @Test |
| public void test_generateBitVectors_nullClassWithArray() { |
| assertThrows(NullPointerException.class, () -> EnumUtils.generateBitVectors(null, Traffic.RED)); |
| } |
| |
| @Test |
| public void test_generateBitVectors_nullElement() { |
| assertThrows(NullPointerException.class, |
| () -> EnumUtils.generateBitVectors(Traffic.class, Arrays.asList(Traffic.RED, null))); |
| } |
| |
| @Test |
| public void test_generateBitVectors_nullIterable() { |
| assertThrows(NullPointerException.class, () -> EnumUtils.generateBitVectors(null, (Iterable<Traffic>) null)); |
| } |
| |
| @Test |
| public void test_generateBitVectorsFromArray() { |
| assertArrayEquals(EnumUtils.generateBitVectors(Traffic.class), 0L); |
| assertArrayEquals(EnumUtils.generateBitVectors(Traffic.class, Traffic.RED), 1L); |
| assertArrayEquals(EnumUtils.generateBitVectors(Traffic.class, Traffic.AMBER), 2L); |
| assertArrayEquals(EnumUtils.generateBitVectors(Traffic.class, Traffic.GREEN), 4L); |
| assertArrayEquals(EnumUtils.generateBitVectors(Traffic.class, Traffic.RED, Traffic.AMBER), 3L); |
| assertArrayEquals(EnumUtils.generateBitVectors(Traffic.class, Traffic.RED, Traffic.GREEN), 5L); |
| assertArrayEquals(EnumUtils.generateBitVectors(Traffic.class, Traffic.AMBER, Traffic.GREEN), 6L); |
| assertArrayEquals(EnumUtils.generateBitVectors(Traffic.class, Traffic.RED, Traffic.AMBER, Traffic.GREEN), 7L); |
| // gracefully handles duplicates: |
| assertArrayEquals( |
| EnumUtils.generateBitVectors(Traffic.class, Traffic.RED, Traffic.AMBER, Traffic.GREEN, Traffic.GREEN), 7L); |
| |
| // 64 values Enum (to test whether no int<->long jdk conversion issue exists) |
| assertArrayEquals(EnumUtils.generateBitVectors(Enum64.class, Enum64.A31), (1L << 31)); |
| assertArrayEquals(EnumUtils.generateBitVectors(Enum64.class, Enum64.A32), (1L << 32)); |
| assertArrayEquals(EnumUtils.generateBitVectors(Enum64.class, Enum64.A63), (1L << 63)); |
| assertArrayEquals(EnumUtils.generateBitVectors(Enum64.class, Enum64.A63), Long.MIN_VALUE); |
| |
| // More than 64 values Enum |
| assertArrayEquals(EnumUtils.generateBitVectors(TooMany.class, TooMany.M2), 1L, 0L); |
| assertArrayEquals(EnumUtils.generateBitVectors(TooMany.class, TooMany.L2, TooMany.M2), 1L, (1L << 63)); |
| |
| } |
| |
| @Test |
| public void test_getEnum() { |
| assertEquals(Traffic.RED, EnumUtils.getEnum(Traffic.class, "RED")); |
| assertEquals(Traffic.AMBER, EnumUtils.getEnum(Traffic.class, "AMBER")); |
| assertEquals(Traffic.GREEN, EnumUtils.getEnum(Traffic.class, "GREEN")); |
| assertNull(EnumUtils.getEnum(Traffic.class, "PURPLE")); |
| assertNull(EnumUtils.getEnum(Traffic.class, null)); |
| } |
| |
| @Test |
| public void test_getEnum_defaultEnum() { |
| assertEquals(Traffic.RED, EnumUtils.getEnum(Traffic.class, "RED", Traffic.AMBER)); |
| assertEquals(Traffic.AMBER, EnumUtils.getEnum(Traffic.class, "AMBER", Traffic.GREEN)); |
| assertEquals(Traffic.GREEN, EnumUtils.getEnum(Traffic.class, "GREEN", Traffic.RED)); |
| assertEquals(Traffic.AMBER, EnumUtils.getEnum(Traffic.class, "PURPLE", Traffic.AMBER)); |
| assertEquals(Traffic.GREEN, EnumUtils.getEnum(Traffic.class, "PURPLE", Traffic.GREEN)); |
| assertEquals(Traffic.RED, EnumUtils.getEnum(Traffic.class, "PURPLE", Traffic.RED)); |
| assertEquals(Traffic.AMBER, EnumUtils.getEnum(Traffic.class, null, Traffic.AMBER)); |
| assertEquals(Traffic.GREEN, EnumUtils.getEnum(Traffic.class, null, Traffic.GREEN)); |
| assertEquals(Traffic.RED, EnumUtils.getEnum(Traffic.class, null, Traffic.RED)); |
| assertNull(EnumUtils.getEnum(Traffic.class, "PURPLE", null)); |
| } |
| |
| /** |
| * Tests raw type. |
| */ |
| @SuppressWarnings("unchecked") |
| @Test |
| public void test_getEnum_nonEnumClass() { |
| @SuppressWarnings("rawtypes") |
| final Class rawType = Object.class; |
| assertNull(EnumUtils.getEnum(rawType, "rawType")); |
| } |
| |
| @Test |
| public void test_getEnum_nullClass() { |
| assertThrows(NullPointerException.class, () -> EnumUtils.getEnum((Class<Traffic>) null, "PURPLE")); |
| } |
| |
| @Test |
| public void test_getEnumIgnoreCase() { |
| assertEquals(Traffic.RED, EnumUtils.getEnumIgnoreCase(Traffic.class, "red")); |
| assertEquals(Traffic.AMBER, EnumUtils.getEnumIgnoreCase(Traffic.class, "Amber")); |
| assertEquals(Traffic.GREEN, EnumUtils.getEnumIgnoreCase(Traffic.class, "grEEn")); |
| assertNull(EnumUtils.getEnumIgnoreCase(Traffic.class, "purple")); |
| assertNull(EnumUtils.getEnumIgnoreCase(Traffic.class, null)); |
| } |
| |
| @Test |
| public void test_getEnumIgnoreCase_defaultEnum() { |
| assertEquals(Traffic.RED, EnumUtils.getEnumIgnoreCase(Traffic.class, "red", Traffic.AMBER)); |
| assertEquals(Traffic.AMBER, EnumUtils.getEnumIgnoreCase(Traffic.class, "Amber", Traffic.GREEN)); |
| assertEquals(Traffic.GREEN, EnumUtils.getEnumIgnoreCase(Traffic.class, "grEEn", Traffic.RED)); |
| assertEquals(Traffic.AMBER, EnumUtils.getEnumIgnoreCase(Traffic.class, "PURPLE", Traffic.AMBER)); |
| assertEquals(Traffic.GREEN, EnumUtils.getEnumIgnoreCase(Traffic.class, "purple", Traffic.GREEN)); |
| assertEquals(Traffic.RED, EnumUtils.getEnumIgnoreCase(Traffic.class, "pUrPlE", Traffic.RED)); |
| assertEquals(Traffic.AMBER, EnumUtils.getEnumIgnoreCase(Traffic.class, null, Traffic.AMBER)); |
| assertEquals(Traffic.GREEN, EnumUtils.getEnumIgnoreCase(Traffic.class, null, Traffic.GREEN)); |
| assertEquals(Traffic.RED, EnumUtils.getEnumIgnoreCase(Traffic.class, null, Traffic.RED)); |
| assertNull(EnumUtils.getEnumIgnoreCase(Traffic.class, "PURPLE", null)); |
| } |
| |
| /** |
| * Tests raw type. |
| */ |
| @SuppressWarnings("unchecked") |
| @Test |
| public void test_getEnumIgnoreCase_nonEnumClass() { |
| @SuppressWarnings("rawtypes") |
| final Class rawType = Object.class; |
| assertNull(EnumUtils.getEnumIgnoreCase(rawType, "rawType")); |
| } |
| |
| @Test |
| public void test_getEnumIgnoreCase_nullClass() { |
| assertThrows(NullPointerException.class, () -> EnumUtils.getEnumIgnoreCase((Class<Traffic>) null, "PURPLE")); |
| } |
| |
| @Test |
| public void test_getEnumList() { |
| final List<Traffic> test = EnumUtils.getEnumList(Traffic.class); |
| assertEquals(3, test.size()); |
| assertEquals(Traffic.RED, test.get(0)); |
| assertEquals(Traffic.AMBER, test.get(1)); |
| assertEquals(Traffic.GREEN, test.get(2)); |
| } |
| |
| @Test |
| public void test_getEnumMap() { |
| final Map<String, Traffic> test = EnumUtils.getEnumMap(Traffic.class); |
| assertEquals("{RED=RED, AMBER=AMBER, GREEN=GREEN}", test.toString(), "getEnumMap not created correctly"); |
| assertEquals(3, test.size()); |
| assertTrue(test.containsKey("RED")); |
| assertEquals(Traffic.RED, test.get("RED")); |
| assertTrue(test.containsKey("AMBER")); |
| assertEquals(Traffic.AMBER, test.get("AMBER")); |
| assertTrue(test.containsKey("GREEN")); |
| assertEquals(Traffic.GREEN, test.get("GREEN")); |
| assertFalse(test.containsKey("PURPLE")); |
| } |
| |
| @Test |
| public void test_getEnumMap_keyFunction() { |
| final Map<Integer, Month> test = EnumUtils.getEnumMap(Month.class, Month::getId); |
| assertEquals("{1=JAN, 2=FEB, 3=MAR, 4=APR, 5=MAY, 6=JUN, 7=JUL, 8=AUG, 9=SEP, 10=OCT, 11=NOV, 12=DEC}", test.toString(), |
| "getEnumMap not created correctly"); |
| assertEquals(12, test.size()); |
| assertFalse(test.containsKey(0)); |
| assertTrue(test.containsKey(1)); |
| assertEquals(Month.JAN, test.get(1)); |
| assertTrue(test.containsKey(2)); |
| assertEquals(Month.FEB, test.get(2)); |
| assertTrue(test.containsKey(3)); |
| assertEquals(Month.MAR, test.get(3)); |
| assertTrue(test.containsKey(4)); |
| assertEquals(Month.APR, test.get(4)); |
| assertTrue(test.containsKey(5)); |
| assertEquals(Month.MAY, test.get(5)); |
| assertTrue(test.containsKey(6)); |
| assertEquals(Month.JUN, test.get(6)); |
| assertTrue(test.containsKey(7)); |
| assertEquals(Month.JUL, test.get(7)); |
| assertTrue(test.containsKey(8)); |
| assertEquals(Month.AUG, test.get(8)); |
| assertTrue(test.containsKey(9)); |
| assertEquals(Month.SEP, test.get(9)); |
| assertTrue(test.containsKey(10)); |
| assertEquals(Month.OCT, test.get(10)); |
| assertTrue(test.containsKey(11)); |
| assertEquals(Month.NOV, test.get(11)); |
| assertTrue(test.containsKey(12)); |
| assertEquals(Month.DEC, test.get(12)); |
| assertFalse(test.containsKey(13)); |
| } |
| |
| @Test |
| public void test_getEnumSystemProperty() { |
| final String key = getClass().getName(); |
| System.setProperty(key, Traffic.RED.toString()); |
| try { |
| assertEquals(Traffic.RED, EnumUtils.getEnumSystemProperty(Traffic.class, key, null)); |
| assertEquals(Traffic.RED, EnumUtils.getEnumSystemProperty(Traffic.class, "?", Traffic.RED)); |
| assertEquals(Traffic.RED, EnumUtils.getEnumSystemProperty(null, null, Traffic.RED)); |
| assertEquals(Traffic.RED, EnumUtils.getEnumSystemProperty(null, "?", Traffic.RED)); |
| assertEquals(Traffic.RED, EnumUtils.getEnumSystemProperty(Traffic.class, null, Traffic.RED)); |
| } finally { |
| System.getProperties().remove(key); |
| } |
| } |
| |
| @Test |
| public void test_getFirstEnumIgnoreCase_defaultEnum() { |
| final Function<Traffic2, String> f = Traffic2::getLabel; |
| assertEquals(Traffic2.RED, EnumUtils.getFirstEnumIgnoreCase(Traffic2.class, "***red***", f, Traffic2.AMBER)); |
| assertEquals(Traffic2.AMBER, EnumUtils.getFirstEnumIgnoreCase(Traffic2.class, "**Amber**", f, Traffic2.GREEN)); |
| assertEquals(Traffic2.GREEN, EnumUtils.getFirstEnumIgnoreCase(Traffic2.class, "*grEEn*", f, Traffic2.RED)); |
| assertEquals(Traffic2.AMBER, EnumUtils.getFirstEnumIgnoreCase(Traffic2.class, "PURPLE", f, Traffic2.AMBER)); |
| assertEquals(Traffic2.GREEN, EnumUtils.getFirstEnumIgnoreCase(Traffic2.class, "purple", f, Traffic2.GREEN)); |
| assertEquals(Traffic2.RED, EnumUtils.getFirstEnumIgnoreCase(Traffic2.class, "pUrPlE", f, Traffic2.RED)); |
| assertEquals(Traffic2.AMBER, EnumUtils.getFirstEnumIgnoreCase(Traffic2.class, null, f, Traffic2.AMBER)); |
| assertEquals(Traffic2.GREEN, EnumUtils.getFirstEnumIgnoreCase(Traffic2.class, null, f, Traffic2.GREEN)); |
| assertEquals(Traffic2.RED, EnumUtils.getFirstEnumIgnoreCase(Traffic2.class, null, f, Traffic2.RED)); |
| assertNull(EnumUtils.getFirstEnumIgnoreCase(Traffic2.class, "PURPLE", f, null)); |
| } |
| |
| @Test |
| public void test_isValidEnum() { |
| assertTrue(EnumUtils.isValidEnum(Traffic.class, "RED")); |
| assertTrue(EnumUtils.isValidEnum(Traffic.class, "AMBER")); |
| assertTrue(EnumUtils.isValidEnum(Traffic.class, "GREEN")); |
| assertFalse(EnumUtils.isValidEnum(Traffic.class, "PURPLE")); |
| assertFalse(EnumUtils.isValidEnum(Traffic.class, null)); |
| } |
| |
| @Test |
| public void test_isValidEnum_nullClass() { |
| assertThrows(NullPointerException.class, () -> EnumUtils.isValidEnum(null, "PURPLE")); |
| } |
| |
| @Test |
| public void test_isValidEnumIgnoreCase() { |
| assertTrue(EnumUtils.isValidEnumIgnoreCase(Traffic.class, "red")); |
| assertTrue(EnumUtils.isValidEnumIgnoreCase(Traffic.class, "Amber")); |
| assertTrue(EnumUtils.isValidEnumIgnoreCase(Traffic.class, "grEEn")); |
| assertFalse(EnumUtils.isValidEnumIgnoreCase(Traffic.class, "purple")); |
| assertFalse(EnumUtils.isValidEnumIgnoreCase(Traffic.class, null)); |
| } |
| |
| @Test |
| public void test_isValidEnumIgnoreCase_nullClass() { |
| assertThrows(NullPointerException.class, () -> EnumUtils.isValidEnumIgnoreCase(null, "PURPLE")); |
| } |
| |
| @Test |
| public void test_processBitVector() { |
| assertEquals(EnumSet.noneOf(Traffic.class), EnumUtils.processBitVector(Traffic.class, 0L)); |
| assertEquals(EnumSet.of(Traffic.RED), EnumUtils.processBitVector(Traffic.class, 1L)); |
| assertEquals(EnumSet.of(Traffic.AMBER), EnumUtils.processBitVector(Traffic.class, 2L)); |
| assertEquals(EnumSet.of(Traffic.RED, Traffic.AMBER), EnumUtils.processBitVector(Traffic.class, 3L)); |
| assertEquals(EnumSet.of(Traffic.GREEN), EnumUtils.processBitVector(Traffic.class, 4L)); |
| assertEquals(EnumSet.of(Traffic.RED, Traffic.GREEN), EnumUtils.processBitVector(Traffic.class, 5L)); |
| assertEquals(EnumSet.of(Traffic.AMBER, Traffic.GREEN), EnumUtils.processBitVector(Traffic.class, 6L)); |
| assertEquals(EnumSet.of(Traffic.RED, Traffic.AMBER, Traffic.GREEN), |
| EnumUtils.processBitVector(Traffic.class, 7L)); |
| |
| // 64 values Enum (to test whether no int<->long jdk conversion issue exists) |
| assertEquals(EnumSet.of(Enum64.A31), EnumUtils.processBitVector(Enum64.class, (1L << 31))); |
| assertEquals(EnumSet.of(Enum64.A32), EnumUtils.processBitVector(Enum64.class, (1L << 32))); |
| assertEquals(EnumSet.of(Enum64.A63), EnumUtils.processBitVector(Enum64.class, (1L << 63))); |
| assertEquals(EnumSet.of(Enum64.A63), EnumUtils.processBitVector(Enum64.class, Long.MIN_VALUE)); |
| } |
| |
| @Test |
| public void test_processBitVector_longClass() { |
| assertThrows(IllegalArgumentException.class, () -> EnumUtils.processBitVector(TooMany.class, 0L)); |
| } |
| |
| @Test |
| public void test_processBitVector_nullClass() { |
| final Class<Traffic> empty = null; |
| assertThrows(NullPointerException.class, () -> EnumUtils.processBitVector(empty, 0L)); |
| } |
| |
| @Test |
| public void test_processBitVectors() { |
| assertEquals(EnumSet.noneOf(Traffic.class), EnumUtils.processBitVectors(Traffic.class, 0L)); |
| assertEquals(EnumSet.of(Traffic.RED), EnumUtils.processBitVectors(Traffic.class, 1L)); |
| assertEquals(EnumSet.of(Traffic.AMBER), EnumUtils.processBitVectors(Traffic.class, 2L)); |
| assertEquals(EnumSet.of(Traffic.RED, Traffic.AMBER), EnumUtils.processBitVectors(Traffic.class, 3L)); |
| assertEquals(EnumSet.of(Traffic.GREEN), EnumUtils.processBitVectors(Traffic.class, 4L)); |
| assertEquals(EnumSet.of(Traffic.RED, Traffic.GREEN), EnumUtils.processBitVectors(Traffic.class, 5L)); |
| assertEquals(EnumSet.of(Traffic.AMBER, Traffic.GREEN), EnumUtils.processBitVectors(Traffic.class, 6L)); |
| assertEquals(EnumSet.of(Traffic.RED, Traffic.AMBER, Traffic.GREEN), |
| EnumUtils.processBitVectors(Traffic.class, 7L)); |
| |
| assertEquals(EnumSet.noneOf(Traffic.class), EnumUtils.processBitVectors(Traffic.class, 0L, 0L)); |
| assertEquals(EnumSet.of(Traffic.RED), EnumUtils.processBitVectors(Traffic.class, 0L, 1L)); |
| assertEquals(EnumSet.of(Traffic.AMBER), EnumUtils.processBitVectors(Traffic.class, 0L, 2L)); |
| assertEquals(EnumSet.of(Traffic.RED, Traffic.AMBER), EnumUtils.processBitVectors(Traffic.class, 0L, 3L)); |
| assertEquals(EnumSet.of(Traffic.GREEN), EnumUtils.processBitVectors(Traffic.class, 0L, 4L)); |
| assertEquals(EnumSet.of(Traffic.RED, Traffic.GREEN), EnumUtils.processBitVectors(Traffic.class, 0L, 5L)); |
| assertEquals(EnumSet.of(Traffic.AMBER, Traffic.GREEN), EnumUtils.processBitVectors(Traffic.class, 0L, 6L)); |
| assertEquals(EnumSet.of(Traffic.RED, Traffic.AMBER, Traffic.GREEN), |
| EnumUtils.processBitVectors(Traffic.class, 0L, 7L)); |
| |
| // demonstrate tolerance of irrelevant high-order digits: |
| assertEquals(EnumSet.noneOf(Traffic.class), EnumUtils.processBitVectors(Traffic.class, 666L, 0L)); |
| assertEquals(EnumSet.of(Traffic.RED), EnumUtils.processBitVectors(Traffic.class, 666L, 1L)); |
| assertEquals(EnumSet.of(Traffic.AMBER), EnumUtils.processBitVectors(Traffic.class, 666L, 2L)); |
| assertEquals(EnumSet.of(Traffic.RED, Traffic.AMBER), EnumUtils.processBitVectors(Traffic.class, 666L, 3L)); |
| assertEquals(EnumSet.of(Traffic.GREEN), EnumUtils.processBitVectors(Traffic.class, 666L, 4L)); |
| assertEquals(EnumSet.of(Traffic.RED, Traffic.GREEN), EnumUtils.processBitVectors(Traffic.class, 666L, 5L)); |
| assertEquals(EnumSet.of(Traffic.AMBER, Traffic.GREEN), EnumUtils.processBitVectors(Traffic.class, 666L, 6L)); |
| assertEquals(EnumSet.of(Traffic.RED, Traffic.AMBER, Traffic.GREEN), |
| EnumUtils.processBitVectors(Traffic.class, 666L, 7L)); |
| |
| // 64 values Enum (to test whether no int<->long jdk conversion issue exists) |
| assertEquals(EnumSet.of(Enum64.A31), EnumUtils.processBitVectors(Enum64.class, (1L << 31))); |
| assertEquals(EnumSet.of(Enum64.A32), EnumUtils.processBitVectors(Enum64.class, (1L << 32))); |
| assertEquals(EnumSet.of(Enum64.A63), EnumUtils.processBitVectors(Enum64.class, (1L << 63))); |
| assertEquals(EnumSet.of(Enum64.A63), EnumUtils.processBitVectors(Enum64.class, Long.MIN_VALUE)); |
| } |
| |
| @Test |
| public void test_processBitVectors_longClass() { |
| assertEquals(EnumSet.noneOf(TooMany.class), EnumUtils.processBitVectors(TooMany.class, 0L)); |
| assertEquals(EnumSet.of(TooMany.A), EnumUtils.processBitVectors(TooMany.class, 1L)); |
| assertEquals(EnumSet.of(TooMany.B), EnumUtils.processBitVectors(TooMany.class, 2L)); |
| assertEquals(EnumSet.of(TooMany.A, TooMany.B), EnumUtils.processBitVectors(TooMany.class, 3L)); |
| assertEquals(EnumSet.of(TooMany.C), EnumUtils.processBitVectors(TooMany.class, 4L)); |
| assertEquals(EnumSet.of(TooMany.A, TooMany.C), EnumUtils.processBitVectors(TooMany.class, 5L)); |
| assertEquals(EnumSet.of(TooMany.B, TooMany.C), EnumUtils.processBitVectors(TooMany.class, 6L)); |
| assertEquals(EnumSet.of(TooMany.A, TooMany.B, TooMany.C), EnumUtils.processBitVectors(TooMany.class, 7L)); |
| |
| assertEquals(EnumSet.noneOf(TooMany.class), EnumUtils.processBitVectors(TooMany.class, 0L, 0L)); |
| assertEquals(EnumSet.of(TooMany.A), EnumUtils.processBitVectors(TooMany.class, 0L, 1L)); |
| assertEquals(EnumSet.of(TooMany.B), EnumUtils.processBitVectors(TooMany.class, 0L, 2L)); |
| assertEquals(EnumSet.of(TooMany.A, TooMany.B), EnumUtils.processBitVectors(TooMany.class, 0L, 3L)); |
| assertEquals(EnumSet.of(TooMany.C), EnumUtils.processBitVectors(TooMany.class, 0L, 4L)); |
| assertEquals(EnumSet.of(TooMany.A, TooMany.C), EnumUtils.processBitVectors(TooMany.class, 0L, 5L)); |
| assertEquals(EnumSet.of(TooMany.B, TooMany.C), EnumUtils.processBitVectors(TooMany.class, 0L, 6L)); |
| assertEquals(EnumSet.of(TooMany.A, TooMany.B, TooMany.C), EnumUtils.processBitVectors(TooMany.class, 0L, 7L)); |
| assertEquals(EnumSet.of(TooMany.A, TooMany.B, TooMany.C), EnumUtils.processBitVectors(TooMany.class, 0L, 7L)); |
| |
| assertEquals(EnumSet.of(TooMany.M2), EnumUtils.processBitVectors(TooMany.class, 1L, 0L)); |
| assertEquals(EnumSet.of(TooMany.A, TooMany.M2), EnumUtils.processBitVectors(TooMany.class, 1L, 1L)); |
| assertEquals(EnumSet.of(TooMany.B, TooMany.M2), EnumUtils.processBitVectors(TooMany.class, 1L, 2L)); |
| assertEquals(EnumSet.of(TooMany.A, TooMany.B, TooMany.M2), EnumUtils.processBitVectors(TooMany.class, 1L, 3L)); |
| assertEquals(EnumSet.of(TooMany.C, TooMany.M2), EnumUtils.processBitVectors(TooMany.class, 1L, 4L)); |
| assertEquals(EnumSet.of(TooMany.A, TooMany.C, TooMany.M2), EnumUtils.processBitVectors(TooMany.class, 1L, 5L)); |
| assertEquals(EnumSet.of(TooMany.B, TooMany.C, TooMany.M2), EnumUtils.processBitVectors(TooMany.class, 1L, 6L)); |
| assertEquals(EnumSet.of(TooMany.A, TooMany.B, TooMany.C, TooMany.M2), |
| EnumUtils.processBitVectors(TooMany.class, 1L, 7L)); |
| assertEquals(EnumSet.of(TooMany.A, TooMany.B, TooMany.C, TooMany.M2), |
| EnumUtils.processBitVectors(TooMany.class, 1L, 7L)); |
| |
| // demonstrate tolerance of irrelevant high-order digits: |
| assertEquals(EnumSet.of(TooMany.M2), EnumUtils.processBitVectors(TooMany.class, 9L, 0L)); |
| assertEquals(EnumSet.of(TooMany.A, TooMany.M2), EnumUtils.processBitVectors(TooMany.class, 9L, 1L)); |
| assertEquals(EnumSet.of(TooMany.B, TooMany.M2), EnumUtils.processBitVectors(TooMany.class, 9L, 2L)); |
| assertEquals(EnumSet.of(TooMany.A, TooMany.B, TooMany.M2), EnumUtils.processBitVectors(TooMany.class, 9L, 3L)); |
| assertEquals(EnumSet.of(TooMany.C, TooMany.M2), EnumUtils.processBitVectors(TooMany.class, 9L, 4L)); |
| assertEquals(EnumSet.of(TooMany.A, TooMany.C, TooMany.M2), EnumUtils.processBitVectors(TooMany.class, 9L, 5L)); |
| assertEquals(EnumSet.of(TooMany.B, TooMany.C, TooMany.M2), EnumUtils.processBitVectors(TooMany.class, 9L, 6L)); |
| assertEquals(EnumSet.of(TooMany.A, TooMany.B, TooMany.C, TooMany.M2), |
| EnumUtils.processBitVectors(TooMany.class, 9L, 7L)); |
| assertEquals(EnumSet.of(TooMany.A, TooMany.B, TooMany.C, TooMany.M2), |
| EnumUtils.processBitVectors(TooMany.class, 9L, 7L)); |
| } |
| |
| @Test |
| public void test_processBitVectors_nullClass() { |
| final Class<Traffic> empty = null; |
| assertThrows(NullPointerException.class, () -> EnumUtils.processBitVectors(empty, 0L)); |
| } |
| |
| @Test |
| public void testConstructable() { |
| // enforce public constructor |
| new EnumUtils(); |
| } |
| |
| } |
| |
| enum Month { |
| JAN(1), FEB(2), MAR(3), APR(4), MAY(5), JUN(6), JUL(7), AUG(8), SEP(9), OCT(10), NOV(11), DEC(12); |
| |
| private final int id; |
| |
| Month(final int id) { |
| this.id = id; |
| } |
| |
| public int getId() { |
| return this.id; |
| } |
| } |
| |
| enum TooMany { |
| A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W, X, Y, Z, A1, B1, C1, D1, E1, F1, G1, H1, I1, |
| J1, K1, L1, M1, N1, O1, P1, Q1, R1, S1, T1, U1, V1, W1, X1, Y1, Z1, A2, B2, C2, D2, E2, F2, G2, H2, I2, J2, K2, L2, |
| M2 |
| } |
| |
| enum Traffic { |
| RED, AMBER, GREEN |
| } |
| |
| enum Traffic2 { |
| |
| RED("***Red***"), AMBER("**Amber**"), GREEN("*green*"); |
| |
| final String label; |
| |
| Traffic2(final String label) { |
| this.label = label; |
| } |
| |
| public String getLabel() { |
| return label; |
| } |
| } |