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/*
* 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") );
}
}
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