/* * 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.apache.commons.lang3.Supplementary.CharU20000; import static org.apache.commons.lang3.Supplementary.CharU20001; import static org.apache.commons.lang3.Supplementary.CharUSuppCharHigh; import static org.apache.commons.lang3.Supplementary.CharUSuppCharLow; import static org.junit.jupiter.api.Assertions.assertEquals; import static org.junit.jupiter.api.Assertions.assertFalse; import static org.junit.jupiter.api.Assertions.assertTrue; import java.util.Locale; import org.junit.jupiter.api.Test; import org.junitpioneer.jupiter.DefaultLocale; /** * Unit tests {@link org.apache.commons.lang3.StringUtils} - Contains methods */ public class StringUtilsContainsTest extends AbstractLangTest { @Test public void testContains_Char() { assertFalse(StringUtils.contains(null, ' ')); assertFalse(StringUtils.contains("", ' ')); assertFalse(StringUtils.contains("", null)); assertFalse(StringUtils.contains(null, null)); assertTrue(StringUtils.contains("abc", 'a')); assertTrue(StringUtils.contains("abc", 'b')); assertTrue(StringUtils.contains("abc", 'c')); assertFalse(StringUtils.contains("abc", 'z')); } @Test public void testContains_String() { assertFalse(StringUtils.contains(null, null)); assertFalse(StringUtils.contains(null, "")); assertFalse(StringUtils.contains(null, "a")); assertFalse(StringUtils.contains("", null)); assertTrue(StringUtils.contains("", "")); assertFalse(StringUtils.contains("", "a")); assertTrue(StringUtils.contains("abc", "a")); assertTrue(StringUtils.contains("abc", "b")); assertTrue(StringUtils.contains("abc", "c")); assertTrue(StringUtils.contains("abc", "abc")); assertFalse(StringUtils.contains("abc", "z")); } /** * See https://www.oracle.com/technical-resources/articles/javase/supplementary.html */ @Test public void testContains_StringWithBadSupplementaryChars() { // Test edge case: 1/2 of a (broken) supplementary char assertFalse(StringUtils.contains(CharUSuppCharHigh, CharU20001)); assertFalse(StringUtils.contains(CharUSuppCharLow, CharU20001)); assertFalse(StringUtils.contains(CharU20001, CharUSuppCharHigh)); assertEquals(0, CharU20001.indexOf(CharUSuppCharLow)); assertTrue(StringUtils.contains(CharU20001, CharUSuppCharLow)); assertTrue(StringUtils.contains(CharU20001 + CharUSuppCharLow + "a", "a")); assertTrue(StringUtils.contains(CharU20001 + CharUSuppCharHigh + "a", "a")); } /** * See https://www.oracle.com/technical-resources/articles/javase/supplementary.html */ @Test public void testContains_StringWithSupplementaryChars() { assertTrue(StringUtils.contains(CharU20000 + CharU20001, CharU20000)); assertTrue(StringUtils.contains(CharU20000 + CharU20001, CharU20001)); assertTrue(StringUtils.contains(CharU20000, CharU20000)); assertFalse(StringUtils.contains(CharU20000, CharU20001)); } @Test public void testContainsAny_StringCharArray() { assertFalse(StringUtils.containsAny(null, (char[]) null)); assertFalse(StringUtils.containsAny(null, new char[0])); assertFalse(StringUtils.containsAny(null, 'a', 'b')); assertFalse(StringUtils.containsAny("", (char[]) null)); assertFalse(StringUtils.containsAny("", new char[0])); assertFalse(StringUtils.containsAny("", 'a', 'b')); assertFalse(StringUtils.containsAny("zzabyycdxx", (char[]) null)); assertFalse(StringUtils.containsAny("zzabyycdxx", new char[0])); assertTrue(StringUtils.containsAny("zzabyycdxx", 'z', 'a')); assertTrue(StringUtils.containsAny("zzabyycdxx", 'b', 'y')); assertTrue(StringUtils.containsAny("zzabyycdxx", 'z', 'y')); assertFalse(StringUtils.containsAny("ab", 'z')); } /** * See https://www.oracle.com/technical-resources/articles/javase/supplementary.html */ @Test public void testContainsAny_StringCharArrayWithBadSupplementaryChars() { // Test edge case: 1/2 of a (broken) supplementary char assertFalse(StringUtils.containsAny(CharUSuppCharHigh, CharU20001.toCharArray())); assertFalse(StringUtils.containsAny("abc" + CharUSuppCharHigh + "xyz", CharU20001.toCharArray())); assertEquals(-1, CharUSuppCharLow.indexOf(CharU20001)); assertFalse(StringUtils.containsAny(CharUSuppCharLow, CharU20001.toCharArray())); assertFalse(StringUtils.containsAny(CharU20001, CharUSuppCharHigh.toCharArray())); assertEquals(0, CharU20001.indexOf(CharUSuppCharLow)); assertTrue(StringUtils.containsAny(CharU20001, CharUSuppCharLow.toCharArray())); } /** * See https://www.oracle.com/technical-resources/articles/javase/supplementary.html */ @Test public void testContainsAny_StringCharArrayWithSupplementaryChars() { assertTrue(StringUtils.containsAny(CharU20000 + CharU20001, CharU20000.toCharArray())); assertTrue(StringUtils.containsAny("a" + CharU20000 + CharU20001, "a".toCharArray())); assertTrue(StringUtils.containsAny(CharU20000 + "a" + CharU20001, "a".toCharArray())); assertTrue(StringUtils.containsAny(CharU20000 + CharU20001 + "a", "a".toCharArray())); assertTrue(StringUtils.containsAny(CharU20000 + CharU20001, CharU20001.toCharArray())); assertTrue(StringUtils.containsAny(CharU20000, CharU20000.toCharArray())); // Sanity check: assertEquals(-1, CharU20000.indexOf(CharU20001)); assertEquals(0, CharU20000.indexOf(CharU20001.charAt(0))); assertEquals(-1, CharU20000.indexOf(CharU20001.charAt(1))); // Test: assertFalse(StringUtils.containsAny(CharU20000, CharU20001.toCharArray())); assertFalse(StringUtils.containsAny(CharU20001, CharU20000.toCharArray())); } @Test public void testContainsAny_StringString() { assertFalse(StringUtils.containsAny(null, (String) null)); assertFalse(StringUtils.containsAny(null, "")); assertFalse(StringUtils.containsAny(null, "ab")); assertFalse(StringUtils.containsAny("", (String) null)); assertFalse(StringUtils.containsAny("", "")); assertFalse(StringUtils.containsAny("", "ab")); assertFalse(StringUtils.containsAny("zzabyycdxx", (String) null)); assertFalse(StringUtils.containsAny("zzabyycdxx", "")); assertTrue(StringUtils.containsAny("zzabyycdxx", "za")); assertTrue(StringUtils.containsAny("zzabyycdxx", "by")); assertTrue(StringUtils.containsAny("zzabyycdxx", "zy")); assertFalse(StringUtils.containsAny("ab", "z")); } @Test public void testContainsAny_StringStringArray() { assertFalse(StringUtils.containsAny(null, (String[]) null)); assertFalse(StringUtils.containsAny(null, new String[0])); assertFalse(StringUtils.containsAny(null, new String[] { "hello" })); assertFalse(StringUtils.containsAny("", (String[]) null)); assertFalse(StringUtils.containsAny("", new String[0])); assertFalse(StringUtils.containsAny("", new String[] { "hello" })); assertFalse(StringUtils.containsAny("hello, goodbye", (String[]) null)); assertFalse(StringUtils.containsAny("hello, goodbye", new String[0])); assertTrue(StringUtils.containsAny("hello, goodbye", new String[]{"hello", "goodbye"})); assertTrue(StringUtils.containsAny("hello, goodbye", new String[]{"hello", "Goodbye"})); assertFalse(StringUtils.containsAny("hello, goodbye", new String[]{"Hello", "Goodbye"})); assertFalse(StringUtils.containsAny("hello, goodbye", new String[]{"Hello", null})); assertFalse(StringUtils.containsAny("hello, null", new String[] { "Hello", null })); // Javadoc examples: assertTrue(StringUtils.containsAny("abcd", "ab", null)); assertTrue(StringUtils.containsAny("abcd", "ab", "cd")); assertTrue(StringUtils.containsAny("abc", "d", "abc")); } @Test public void testContainsAnyIgnoreCase_StringStringArray() { assertFalse(StringUtils.containsAnyIgnoreCase(null, (String[]) null)); assertFalse(StringUtils.containsAnyIgnoreCase(null, new String[0])); assertFalse(StringUtils.containsAnyIgnoreCase(null, new String[] { "hello" })); assertFalse(StringUtils.containsAnyIgnoreCase("", (String[]) null)); assertFalse(StringUtils.containsAnyIgnoreCase("", new String[0])); assertFalse(StringUtils.containsAnyIgnoreCase("", new String[] { "hello" })); assertFalse(StringUtils.containsAnyIgnoreCase("hello, goodbye", (String[]) null)); assertFalse(StringUtils.containsAnyIgnoreCase("hello, goodbye", new String[0])); assertTrue(StringUtils.containsAnyIgnoreCase("hello, goodbye", new String[]{"hello", "goodbye"})); assertTrue(StringUtils.containsAnyIgnoreCase("hello, goodbye", new String[]{"hello", "Goodbye"})); assertTrue(StringUtils.containsAnyIgnoreCase("hello, goodbye", new String[]{"Hello", "Goodbye"})); assertTrue(StringUtils.containsAnyIgnoreCase("hello, goodbye", new String[]{"Hello", null})); assertTrue(StringUtils.containsAnyIgnoreCase("hello, null", new String[] { "Hello", null })); // Javadoc examples: assertTrue(StringUtils.containsAnyIgnoreCase("abcd", "ab", null)); assertTrue(StringUtils.containsAnyIgnoreCase("abcd", "ab", "cd")); assertTrue(StringUtils.containsAnyIgnoreCase("abc", "d", "abc")); } /** * See https://www.oracle.com/technical-resources/articles/javase/supplementary.html */ @Test public void testContainsAny_StringWithBadSupplementaryChars() { // Test edge case: 1/2 of a (broken) supplementary char assertFalse(StringUtils.containsAny(CharUSuppCharHigh, CharU20001)); assertEquals(-1, CharUSuppCharLow.indexOf(CharU20001)); assertFalse(StringUtils.containsAny(CharUSuppCharLow, CharU20001)); assertFalse(StringUtils.containsAny(CharU20001, CharUSuppCharHigh)); assertEquals(0, CharU20001.indexOf(CharUSuppCharLow)); assertTrue(StringUtils.containsAny(CharU20001, CharUSuppCharLow)); } /** * See https://www.oracle.com/technical-resources/articles/javase/supplementary.html */ @Test public void testContainsAny_StringWithSupplementaryChars() { assertTrue(StringUtils.containsAny(CharU20000 + CharU20001, CharU20000)); assertTrue(StringUtils.containsAny(CharU20000 + CharU20001, CharU20001)); assertTrue(StringUtils.containsAny(CharU20000, CharU20000)); // Sanity check: assertEquals(-1, CharU20000.indexOf(CharU20001)); assertEquals(0, CharU20000.indexOf(CharU20001.charAt(0))); assertEquals(-1, CharU20000.indexOf(CharU20001.charAt(1))); // Test: assertFalse(StringUtils.containsAny(CharU20000, CharU20001)); assertFalse(StringUtils.containsAny(CharU20001, CharU20000)); } @DefaultLocale(language = "de", country = "DE") @Test public void testContainsIgnoreCase_LocaleIndependence() { final Locale[] locales = { Locale.ENGLISH, new Locale("tr"), Locale.getDefault() }; final String[][] tdata = { { "i", "I" }, { "I", "i" }, { "\u03C2", "\u03C3" }, { "\u03A3", "\u03C2" }, { "\u03A3", "\u03C3" }, }; final String[][] fdata = { { "\u00DF", "SS" }, }; for (final Locale testLocale : locales) { Locale.setDefault(testLocale); for (int j = 0; j < tdata.length; j++) { assertTrue(StringUtils.containsIgnoreCase(tdata[j][0], tdata[j][1]), Locale.getDefault() + ": " + j + " " + tdata[j][0] + " " + tdata[j][1]); } for (int j = 0; j < fdata.length; j++) { assertFalse(StringUtils.containsIgnoreCase(fdata[j][0], fdata[j][1]), Locale.getDefault() + ": " + j + " " + fdata[j][0] + " " + fdata[j][1]); } } } @Test public void testContainsIgnoreCase_StringString() { assertFalse(StringUtils.containsIgnoreCase(null, null)); // Null tests assertFalse(StringUtils.containsIgnoreCase(null, "")); assertFalse(StringUtils.containsIgnoreCase(null, "a")); assertFalse(StringUtils.containsIgnoreCase(null, "abc")); assertFalse(StringUtils.containsIgnoreCase("", null)); assertFalse(StringUtils.containsIgnoreCase("a", null)); assertFalse(StringUtils.containsIgnoreCase("abc", null)); // Match len = 0 assertTrue(StringUtils.containsIgnoreCase("", "")); assertTrue(StringUtils.containsIgnoreCase("a", "")); assertTrue(StringUtils.containsIgnoreCase("abc", "")); // Match len = 1 assertFalse(StringUtils.containsIgnoreCase("", "a")); assertTrue(StringUtils.containsIgnoreCase("a", "a")); assertTrue(StringUtils.containsIgnoreCase("abc", "a")); assertFalse(StringUtils.containsIgnoreCase("", "A")); assertTrue(StringUtils.containsIgnoreCase("a", "A")); assertTrue(StringUtils.containsIgnoreCase("abc", "A")); // Match len > 1 assertFalse(StringUtils.containsIgnoreCase("", "abc")); assertFalse(StringUtils.containsIgnoreCase("a", "abc")); assertTrue(StringUtils.containsIgnoreCase("xabcz", "abc")); assertFalse(StringUtils.containsIgnoreCase("", "ABC")); assertFalse(StringUtils.containsIgnoreCase("a", "ABC")); assertTrue(StringUtils.containsIgnoreCase("xabcz", "ABC")); } @Test public void testContainsNone_CharArray() { final String str1 = "a"; final String str2 = "b"; final String str3 = "ab."; final char[] chars1= {'b'}; final char[] chars2= {'.'}; final char[] chars3= {'c', 'd'}; final char[] emptyChars = {}; assertTrue(StringUtils.containsNone(null, (char[]) null)); assertTrue(StringUtils.containsNone("", (char[]) null)); assertTrue(StringUtils.containsNone(null, emptyChars)); assertTrue(StringUtils.containsNone(str1, emptyChars)); assertTrue(StringUtils.containsNone("", emptyChars)); assertTrue(StringUtils.containsNone("", chars1)); assertTrue(StringUtils.containsNone(str1, chars1)); assertTrue(StringUtils.containsNone(str1, chars2)); assertTrue(StringUtils.containsNone(str1, chars3)); assertFalse(StringUtils.containsNone(str2, chars1)); assertTrue(StringUtils.containsNone(str2, chars2)); assertTrue(StringUtils.containsNone(str2, chars3)); assertFalse(StringUtils.containsNone(str3, chars1)); assertFalse(StringUtils.containsNone(str3, chars2)); assertTrue(StringUtils.containsNone(str3, chars3)); } /** * See https://www.oracle.com/technical-resources/articles/javase/supplementary.html */ @Test public void testContainsNone_CharArrayWithBadSupplementaryChars() { // Test edge case: 1/2 of a (broken) supplementary char assertTrue(StringUtils.containsNone(CharUSuppCharHigh, CharU20001.toCharArray())); assertEquals(-1, CharUSuppCharLow.indexOf(CharU20001)); assertTrue(StringUtils.containsNone(CharUSuppCharLow, CharU20001.toCharArray())); assertEquals(-1, CharU20001.indexOf(CharUSuppCharHigh)); assertTrue(StringUtils.containsNone(CharU20001, CharUSuppCharHigh.toCharArray())); assertEquals(0, CharU20001.indexOf(CharUSuppCharLow)); assertFalse(StringUtils.containsNone(CharU20001, CharUSuppCharLow.toCharArray())); } /** * See https://www.oracle.com/technical-resources/articles/javase/supplementary.html */ @Test public void testContainsNone_CharArrayWithSupplementaryChars() { assertFalse(StringUtils.containsNone(CharU20000 + CharU20001, CharU20000.toCharArray())); assertFalse(StringUtils.containsNone(CharU20000 + CharU20001, CharU20001.toCharArray())); assertFalse(StringUtils.containsNone(CharU20000, CharU20000.toCharArray())); // Sanity check: assertEquals(-1, CharU20000.indexOf(CharU20001)); assertEquals(0, CharU20000.indexOf(CharU20001.charAt(0))); assertEquals(-1, CharU20000.indexOf(CharU20001.charAt(1))); // Test: assertTrue(StringUtils.containsNone(CharU20000, CharU20001.toCharArray())); assertTrue(StringUtils.containsNone(CharU20001, CharU20000.toCharArray())); } @Test public void testContainsNone_String() { final String str1 = "a"; final String str2 = "b"; final String str3 = "ab."; final String chars1= "b"; final String chars2= "."; final String chars3= "cd"; assertTrue(StringUtils.containsNone(null, (String) null)); assertTrue(StringUtils.containsNone("", (String) null)); assertTrue(StringUtils.containsNone(null, "")); assertTrue(StringUtils.containsNone(str1, "")); assertTrue(StringUtils.containsNone("", "")); assertTrue(StringUtils.containsNone("", chars1)); assertTrue(StringUtils.containsNone(str1, chars1)); assertTrue(StringUtils.containsNone(str1, chars2)); assertTrue(StringUtils.containsNone(str1, chars3)); assertFalse(StringUtils.containsNone(str2, chars1)); assertTrue(StringUtils.containsNone(str2, chars2)); assertTrue(StringUtils.containsNone(str2, chars3)); assertFalse(StringUtils.containsNone(str3, chars1)); assertFalse(StringUtils.containsNone(str3, chars2)); assertTrue(StringUtils.containsNone(str3, chars3)); } /** * See https://www.oracle.com/technical-resources/articles/javase/supplementary.html */ @Test public void testContainsNone_StringWithBadSupplementaryChars() { // Test edge case: 1/2 of a (broken) supplementary char assertTrue(StringUtils.containsNone(CharUSuppCharHigh, CharU20001)); assertEquals(-1, CharUSuppCharLow.indexOf(CharU20001)); assertTrue(StringUtils.containsNone(CharUSuppCharLow, CharU20001)); assertEquals(-1, CharU20001.indexOf(CharUSuppCharHigh)); assertTrue(StringUtils.containsNone(CharU20001, CharUSuppCharHigh)); assertEquals(0, CharU20001.indexOf(CharUSuppCharLow)); assertFalse(StringUtils.containsNone(CharU20001, CharUSuppCharLow)); } /** * See https://www.oracle.com/technical-resources/articles/javase/supplementary.html */ @Test public void testContainsNone_StringWithSupplementaryChars() { assertFalse(StringUtils.containsNone(CharU20000 + CharU20001, CharU20000)); assertFalse(StringUtils.containsNone(CharU20000 + CharU20001, CharU20001)); assertFalse(StringUtils.containsNone(CharU20000, CharU20000)); // Sanity check: assertEquals(-1, CharU20000.indexOf(CharU20001)); assertEquals(0, CharU20000.indexOf(CharU20001.charAt(0))); assertEquals(-1, CharU20000.indexOf(CharU20001.charAt(1))); // Test: assertTrue(StringUtils.containsNone(CharU20000, CharU20001)); assertTrue(StringUtils.containsNone(CharU20001, CharU20000)); } @Test public void testContainsOnly_CharArray() { final String str1 = "a"; final String str2 = "b"; final String str3 = "ab"; final char[] chars1= {'b'}; final char[] chars2= {'a'}; final char[] chars3= {'a', 'b'}; final char[] emptyChars = {}; assertFalse(StringUtils.containsOnly(null, (char[]) null)); assertFalse(StringUtils.containsOnly("", (char[]) null)); assertFalse(StringUtils.containsOnly(null, emptyChars)); assertFalse(StringUtils.containsOnly(str1, emptyChars)); assertTrue(StringUtils.containsOnly("", emptyChars)); assertTrue(StringUtils.containsOnly("", chars1)); assertFalse(StringUtils.containsOnly(str1, chars1)); assertTrue(StringUtils.containsOnly(str1, chars2)); assertTrue(StringUtils.containsOnly(str1, chars3)); assertTrue(StringUtils.containsOnly(str2, chars1)); assertFalse(StringUtils.containsOnly(str2, chars2)); assertTrue(StringUtils.containsOnly(str2, chars3)); assertFalse(StringUtils.containsOnly(str3, chars1)); assertFalse(StringUtils.containsOnly(str3, chars2)); assertTrue(StringUtils.containsOnly(str3, chars3)); } @Test public void testContainsOnly_String() { final String str1 = "a"; final String str2 = "b"; final String str3 = "ab"; final String chars1= "b"; final String chars2= "a"; final String chars3= "ab"; assertFalse(StringUtils.containsOnly(null, (String) null)); assertFalse(StringUtils.containsOnly("", (String) null)); assertFalse(StringUtils.containsOnly(null, "")); assertFalse(StringUtils.containsOnly(str1, "")); assertTrue(StringUtils.containsOnly("", "")); assertTrue(StringUtils.containsOnly("", chars1)); assertFalse(StringUtils.containsOnly(str1, chars1)); assertTrue(StringUtils.containsOnly(str1, chars2)); assertTrue(StringUtils.containsOnly(str1, chars3)); assertTrue(StringUtils.containsOnly(str2, chars1)); assertFalse(StringUtils.containsOnly(str2, chars2)); assertTrue(StringUtils.containsOnly(str2, chars3)); assertFalse(StringUtils.containsOnly(str3, chars1)); assertFalse(StringUtils.containsOnly(str3, chars2)); assertTrue(StringUtils.containsOnly(str3, chars3)); } @Test public void testContainsWhitespace() { assertFalse( StringUtils.containsWhitespace("") ); assertTrue( StringUtils.containsWhitespace(" ") ); assertFalse( StringUtils.containsWhitespace("a") ); assertTrue( StringUtils.containsWhitespace("a ") ); assertTrue( StringUtils.containsWhitespace(" a") ); assertTrue( StringUtils.containsWhitespace("a\t") ); assertTrue( StringUtils.containsWhitespace("\n") ); } }