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Diffstat (limited to 'src/test/java/org/apache/commons/lang3/StringUtilsContainsTest.java')
| -rw-r--r-- | src/test/java/org/apache/commons/lang3/StringUtilsContainsTest.java | 467 |
1 files changed, 467 insertions, 0 deletions
diff --git a/src/test/java/org/apache/commons/lang3/StringUtilsContainsTest.java b/src/test/java/org/apache/commons/lang3/StringUtilsContainsTest.java new file mode 100644 index 000000000..b152a8df2 --- /dev/null +++ b/src/test/java/org/apache/commons/lang3/StringUtilsContainsTest.java @@ -0,0 +1,467 @@ +/* + * 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") ); + } +} |