+++ /dev/null
-/**
- * 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.lucene.analysis.reverse;
-
-import java.io.StringReader;
-
-import org.apache.lucene.analysis.MockTokenizer;
-import org.apache.lucene.analysis.TokenStream;
-import org.apache.lucene.analysis.BaseTokenStreamTestCase;
-
-public class TestReverseStringFilter extends BaseTokenStreamTestCase {
- public void testFilter() throws Exception {
- TokenStream stream = new MockTokenizer(new StringReader("Do have a nice day"),
- MockTokenizer.WHITESPACE, false); // 1-4 length string
- ReverseStringFilter filter = new ReverseStringFilter(TEST_VERSION_CURRENT, stream);
- assertTokenStreamContents(filter, new String[] { "oD", "evah", "a", "ecin", "yad" });
- }
-
- public void testFilterWithMark() throws Exception {
- TokenStream stream = new MockTokenizer(new StringReader("Do have a nice day"),
- MockTokenizer.WHITESPACE, false); // 1-4 length string
- ReverseStringFilter filter = new ReverseStringFilter(TEST_VERSION_CURRENT, stream, '\u0001');
- assertTokenStreamContents(filter,
- new String[] { "\u0001oD", "\u0001evah", "\u0001a", "\u0001ecin", "\u0001yad" });
- }
-
- public void testReverseString() throws Exception {
- assertEquals( "A", ReverseStringFilter.reverse(TEST_VERSION_CURRENT, "A" ) );
- assertEquals( "BA", ReverseStringFilter.reverse(TEST_VERSION_CURRENT, "AB" ) );
- assertEquals( "CBA", ReverseStringFilter.reverse(TEST_VERSION_CURRENT, "ABC" ) );
- }
-
- public void testReverseChar() throws Exception {
- char[] buffer = { 'A', 'B', 'C', 'D', 'E', 'F' };
- ReverseStringFilter.reverse(TEST_VERSION_CURRENT, buffer, 2, 3 );
- assertEquals( "ABEDCF", new String( buffer ) );
- }
-
- /**
- * Test the broken 3.0 behavior, for back compat
- */
- public void testBackCompat() throws Exception {
- assertEquals("\uDF05\uD866\uDF05\uD866", ReverseStringFilter.reverse("𩬅𩬅"));
- }
-
- public void testReverseSupplementary() throws Exception {
- // supplementary at end
- assertEquals("𩬅艱鍟䇹愯瀛", ReverseStringFilter.reverse(TEST_VERSION_CURRENT, "瀛愯䇹鍟艱𩬅"));
- // supplementary at end - 1
- assertEquals("a𩬅艱鍟䇹愯瀛", ReverseStringFilter.reverse(TEST_VERSION_CURRENT, "瀛愯䇹鍟艱𩬅a"));
- // supplementary at start
- assertEquals("fedcba𩬅", ReverseStringFilter.reverse(TEST_VERSION_CURRENT, "𩬅abcdef"));
- // supplementary at start + 1
- assertEquals("fedcba𩬅z", ReverseStringFilter.reverse(TEST_VERSION_CURRENT, "z𩬅abcdef"));
- // supplementary medial
- assertEquals("gfe𩬅dcba", ReverseStringFilter.reverse(TEST_VERSION_CURRENT, "abcd𩬅efg"));
- }
-
- public void testReverseSupplementaryChar() throws Exception {
- // supplementary at end
- char[] buffer = "abc瀛愯䇹鍟艱𩬅".toCharArray();
- ReverseStringFilter.reverse(TEST_VERSION_CURRENT, buffer, 3, 7);
- assertEquals("abc𩬅艱鍟䇹愯瀛", new String(buffer));
- // supplementary at end - 1
- buffer = "abc瀛愯䇹鍟艱𩬅d".toCharArray();
- ReverseStringFilter.reverse(TEST_VERSION_CURRENT, buffer, 3, 8);
- assertEquals("abcd𩬅艱鍟䇹愯瀛", new String(buffer));
- // supplementary at start
- buffer = "abc𩬅瀛愯䇹鍟艱".toCharArray();
- ReverseStringFilter.reverse(TEST_VERSION_CURRENT, buffer, 3, 7);
- assertEquals("abc艱鍟䇹愯瀛𩬅", new String(buffer));
- // supplementary at start + 1
- buffer = "abcd𩬅瀛愯䇹鍟艱".toCharArray();
- ReverseStringFilter.reverse(TEST_VERSION_CURRENT, buffer, 3, 8);
- assertEquals("abc艱鍟䇹愯瀛𩬅d", new String(buffer));
- // supplementary medial
- buffer = "abc瀛愯𩬅def".toCharArray();
- ReverseStringFilter.reverse(TEST_VERSION_CURRENT, buffer, 3, 7);
- assertEquals("abcfed𩬅愯瀛", new String(buffer));
- }
-}