| /* |
| * 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.codec.binary; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertTrue; |
| |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| /** |
| * Tests {@link org.apache.commons.codec.binary.CharSequenceUtils}. |
| * |
| * <p>Tests copied from Apache Commons Lang 3.11. The implementation in codec is based on |
| * an earlier version of Lang and some tests fail. The CharSequenceUtils class is public but |
| * the method is package private. The failing tests have been commented out and the |
| * implementation left unchanged. |
| */ |
| public class CharSequenceUtilsTest { |
| |
| static class TestData{ |
| final String source; |
| final boolean ignoreCase; |
| final int toffset; |
| final String other; |
| final int ooffset; |
| final int len; |
| final boolean expected; |
| final Class<? extends Throwable> throwable; |
| TestData(final String source, final boolean ignoreCase, final int toffset, |
| final String other, final int ooffset, final int len, final boolean expected) { |
| this.source = source; |
| this.ignoreCase = ignoreCase; |
| this.toffset = toffset; |
| this.other = other; |
| this.ooffset = ooffset; |
| this.len = len; |
| this.expected = expected; |
| this.throwable = null; |
| } |
| TestData(final String source, final boolean ignoreCase, final int toffset, |
| final String other, final int ooffset, final int len, final Class<? extends Throwable> throwable) { |
| this.source = source; |
| this.ignoreCase = ignoreCase; |
| this.toffset = toffset; |
| this.other = other; |
| this.ooffset = ooffset; |
| this.len = len; |
| this.expected = false; |
| this.throwable = throwable; |
| } |
| @Override |
| public String toString() { |
| final StringBuilder sb = new StringBuilder(); |
| sb.append(source).append("[").append(toffset).append("]"); |
| sb.append(ignoreCase? " caseblind ":" samecase "); |
| sb.append(other).append("[").append(ooffset).append("]"); |
| sb.append(" ").append(len).append(" => "); |
| if (throwable != null) { |
| sb.append(throwable); |
| } else { |
| sb.append(expected); |
| } |
| return sb.toString(); |
| } |
| } |
| |
| // Note: The commented out tests fail due to the CharSequenceUtils method |
| // being based on Lang 3.3.2 and the tests are from 3.11. |
| |
| private static final TestData[] TEST_DATA = { |
| // Source IgnoreCase Offset Other Offset Length Result |
| //new TestData("", true, -1, "", -1, -1, false), |
| //new TestData("", true, 0, "", 0, 1, false), |
| new TestData("a", true, 0, "abc", 0, 0, true), |
| new TestData("a", true, 0, "abc", 0, 1, true), |
| //new TestData("a", true, 0, null, 0, 0, NullPointerException.class), |
| //new TestData(null, true, 0, null, 0, 0, NullPointerException.class), |
| //new TestData(null, true, 0, "", 0, 0, NullPointerException.class), |
| new TestData("Abc", true, 0, "abc", 0, 3, true), |
| new TestData("Abc", false, 0, "abc", 0, 3, false), |
| new TestData("Abc", true, 1, "abc", 1, 2, true), |
| new TestData("Abc", false, 1, "abc", 1, 2, true), |
| new TestData("Abcd", true, 1, "abcD", 1, 2, true), |
| new TestData("Abcd", false, 1, "abcD", 1, 2, true), |
| }; |
| |
| private abstract static class RunTest { |
| |
| abstract boolean invoke(); |
| |
| void run(final TestData data, final String id) { |
| if (data.throwable != null) { |
| final String msg = id + " Expected " + data.throwable; |
| try { |
| invoke(); |
| Assert.fail(msg + " but nothing was thrown."); |
| } catch (final Exception ex) { |
| assertTrue(msg + " but was " + ex.getClass().getSimpleName(), |
| data.throwable.isAssignableFrom(ex.getClass())); |
| } |
| } else { |
| final boolean stringCheck = invoke(); |
| assertEquals(id + " Failed test " + data, data.expected, stringCheck); |
| } |
| } |
| |
| } |
| |
| @Test |
| public void testRegionMatches() { |
| for (final TestData data : TEST_DATA) { |
| new RunTest() { |
| @Override |
| boolean invoke() { |
| return data.source.regionMatches(data.ignoreCase, data.toffset, data.other, data.ooffset, data.len); |
| } |
| }.run(data, "String"); |
| new RunTest() { |
| @Override |
| boolean invoke() { |
| return CharSequenceUtils.regionMatches(data.source, data.ignoreCase, data.toffset, data.other, data.ooffset, data.len); |
| } |
| }.run(data, "CSString"); |
| new RunTest() { |
| @Override |
| boolean invoke() { |
| return CharSequenceUtils.regionMatches(new StringBuilder(data.source), data.ignoreCase, data.toffset, data.other, data.ooffset, data.len); |
| } |
| }.run(data, "CSNonString"); |
| } |
| } |
| |
| /** |
| * Test the constructor exists. This is here for code coverage. The class ideally should |
| * be package private, marked as final and have a private constructor to prevent instances. |
| */ |
| @SuppressWarnings("unused") |
| @Test |
| public void testConstructor() { |
| new CharSequenceUtils(); |
| } |
| } |