+++ /dev/null
-package org.apache.lucene.index;
-
-/**
- * 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.
- */
-
-import java.io.IOException;
-import java.util.HashSet;
-import java.util.Iterator;
-import java.util.Random;
-import java.util.Set;
-
-import org.apache.lucene.analysis.MockAnalyzer;
-import org.apache.lucene.document.Document;
-import org.apache.lucene.document.Field;
-import org.apache.lucene.store.Directory;
-import org.apache.lucene.util.BytesRef;
-import org.apache.lucene.util.LuceneTestCase;
-import org.apache.lucene.util.UnicodeUtil;
-
-public class TestIndexWriterUnicode extends LuceneTestCase {
-
- final String[] utf8Data = new String[] {
- // unpaired low surrogate
- "ab\udc17cd", "ab\ufffdcd",
- "\udc17abcd", "\ufffdabcd",
- "\udc17", "\ufffd",
- "ab\udc17\udc17cd", "ab\ufffd\ufffdcd",
- "\udc17\udc17abcd", "\ufffd\ufffdabcd",
- "\udc17\udc17", "\ufffd\ufffd",
-
- // unpaired high surrogate
- "ab\ud917cd", "ab\ufffdcd",
- "\ud917abcd", "\ufffdabcd",
- "\ud917", "\ufffd",
- "ab\ud917\ud917cd", "ab\ufffd\ufffdcd",
- "\ud917\ud917abcd", "\ufffd\ufffdabcd",
- "\ud917\ud917", "\ufffd\ufffd",
-
- // backwards surrogates
- "ab\udc17\ud917cd", "ab\ufffd\ufffdcd",
- "\udc17\ud917abcd", "\ufffd\ufffdabcd",
- "\udc17\ud917", "\ufffd\ufffd",
- "ab\udc17\ud917\udc17\ud917cd", "ab\ufffd\ud917\udc17\ufffdcd",
- "\udc17\ud917\udc17\ud917abcd", "\ufffd\ud917\udc17\ufffdabcd",
- "\udc17\ud917\udc17\ud917", "\ufffd\ud917\udc17\ufffd"
- };
-
- private int nextInt(int lim) {
- return random.nextInt(lim);
- }
-
- private int nextInt(int start, int end) {
- return start + nextInt(end-start);
- }
-
- private boolean fillUnicode(char[] buffer, char[] expected, int offset, int count) {
- final int len = offset + count;
- boolean hasIllegal = false;
-
- if (offset > 0 && buffer[offset] >= 0xdc00 && buffer[offset] < 0xe000)
- // Don't start in the middle of a valid surrogate pair
- offset--;
-
- for(int i=offset;i<len;i++) {
- int t = nextInt(6);
- if (0 == t && i < len-1) {
- // Make a surrogate pair
- // High surrogate
- expected[i] = buffer[i++] = (char) nextInt(0xd800, 0xdc00);
- // Low surrogate
- expected[i] = buffer[i] = (char) nextInt(0xdc00, 0xe000);
- } else if (t <= 1)
- expected[i] = buffer[i] = (char) nextInt(0x80);
- else if (2 == t)
- expected[i] = buffer[i] = (char) nextInt(0x80, 0x800);
- else if (3 == t)
- expected[i] = buffer[i] = (char) nextInt(0x800, 0xd800);
- else if (4 == t)
- expected[i] = buffer[i] = (char) nextInt(0xe000, 0xffff);
- else if (5 == t && i < len-1) {
- // Illegal unpaired surrogate
- if (nextInt(10) == 7) {
- if (random.nextBoolean())
- buffer[i] = (char) nextInt(0xd800, 0xdc00);
- else
- buffer[i] = (char) nextInt(0xdc00, 0xe000);
- expected[i++] = 0xfffd;
- expected[i] = buffer[i] = (char) nextInt(0x800, 0xd800);
- hasIllegal = true;
- } else
- expected[i] = buffer[i] = (char) nextInt(0x800, 0xd800);
- } else {
- expected[i] = buffer[i] = ' ';
- }
- }
-
- return hasIllegal;
- }
-
- // both start & end are inclusive
- private final int getInt(Random r, int start, int end) {
- return start + r.nextInt(1+end-start);
- }
-
- private final String asUnicodeChar(char c) {
- return "U+" + Integer.toHexString(c);
- }
-
- private final String termDesc(String s) {
- final String s0;
- assertTrue(s.length() <= 2);
- if (s.length() == 1) {
- s0 = asUnicodeChar(s.charAt(0));
- } else {
- s0 = asUnicodeChar(s.charAt(0)) + "," + asUnicodeChar(s.charAt(1));
- }
- return s0;
- }
-
- // LUCENE-510
- public void testRandomUnicodeStrings() throws Throwable {
- char[] buffer = new char[20];
- char[] expected = new char[20];
-
- UnicodeUtil.UTF8Result utf8 = new UnicodeUtil.UTF8Result();
- UnicodeUtil.UTF16Result utf16 = new UnicodeUtil.UTF16Result();
-
- int num = atLeast(100000);
- for (int iter = 0; iter < num; iter++) {
- boolean hasIllegal = fillUnicode(buffer, expected, 0, 20);
-
- UnicodeUtil.UTF16toUTF8(buffer, 0, 20, utf8);
- if (!hasIllegal) {
- byte[] b = new String(buffer, 0, 20).getBytes("UTF-8");
- assertEquals(b.length, utf8.length);
- for(int i=0;i<b.length;i++)
- assertEquals(b[i], utf8.result[i]);
- }
-
- UnicodeUtil.UTF8toUTF16(utf8.result, 0, utf8.length, utf16);
- assertEquals(utf16.length, 20);
- for(int i=0;i<20;i++)
- assertEquals(expected[i], utf16.result[i]);
- }
- }
-
- // LUCENE-510
- public void testAllUnicodeChars() throws Throwable {
-
- UnicodeUtil.UTF8Result utf8 = new UnicodeUtil.UTF8Result();
- UnicodeUtil.UTF16Result utf16 = new UnicodeUtil.UTF16Result();
- char[] chars = new char[2];
- for(int ch=0;ch<0x0010FFFF;ch++) {
-
- if (ch == 0xd800)
- // Skip invalid code points
- ch = 0xe000;
-
- int len = 0;
- if (ch <= 0xffff) {
- chars[len++] = (char) ch;
- } else {
- chars[len++] = (char) (((ch-0x0010000) >> 10) + UnicodeUtil.UNI_SUR_HIGH_START);
- chars[len++] = (char) (((ch-0x0010000) & 0x3FFL) + UnicodeUtil.UNI_SUR_LOW_START);
- }
-
- UnicodeUtil.UTF16toUTF8(chars, 0, len, utf8);
-
- String s1 = new String(chars, 0, len);
- String s2 = new String(utf8.result, 0, utf8.length, "UTF-8");
- assertEquals("codepoint " + ch, s1, s2);
-
- UnicodeUtil.UTF8toUTF16(utf8.result, 0, utf8.length, utf16);
- assertEquals("codepoint " + ch, s1, new String(utf16.result, 0, utf16.length));
-
- byte[] b = s1.getBytes("UTF-8");
- assertEquals(utf8.length, b.length);
- for(int j=0;j<utf8.length;j++)
- assertEquals(utf8.result[j], b[j]);
- }
- }
-
- public void testEmbeddedFFFF() throws Throwable {
-
- Directory d = newDirectory();
- IndexWriter w = new IndexWriter(d, newIndexWriterConfig( TEST_VERSION_CURRENT, new TestIndexWriter.StringSplitAnalyzer()));
- Document doc = new Document();
- doc.add(newField("field", "a a\uffffb", Field.Store.NO, Field.Index.ANALYZED));
- w.addDocument(doc);
- doc = new Document();
- doc.add(newField("field", "a", Field.Store.NO, Field.Index.ANALYZED));
- w.addDocument(doc);
- w.close();
-
- d.close();
- }
-
- // LUCENE-510
- public void testInvalidUTF16() throws Throwable {
- Directory dir = newDirectory();
- IndexWriter w = new IndexWriter(dir, newIndexWriterConfig( TEST_VERSION_CURRENT, new TestIndexWriter.StringSplitAnalyzer()));
- Document doc = new Document();
-
- final int count = utf8Data.length/2;
- for(int i=0;i<count;i++)
- doc.add(newField("f" + i, utf8Data[2*i], Field.Store.YES, Field.Index.ANALYZED));
- w.addDocument(doc);
- w.close();
-
- IndexReader ir = IndexReader.open(dir, true);
- Document doc2 = ir.document(0);
- for(int i=0;i<count;i++) {
- assertEquals("field " + i + " was not indexed correctly", 1, ir.docFreq(new Term("f"+i, utf8Data[2*i+1])));
- assertEquals("field " + i + " is incorrect", utf8Data[2*i+1], doc2.getField("f"+i).stringValue());
- }
- ir.close();
- dir.close();
- }
-
- // LUCENE-510
- public void testIncrementalUnicodeStrings() throws Throwable {
- char[] buffer = new char[20];
- char[] expected = new char[20];
-
- UnicodeUtil.UTF8Result utf8 = new UnicodeUtil.UTF8Result();
- UnicodeUtil.UTF16Result utf16 = new UnicodeUtil.UTF16Result();
- UnicodeUtil.UTF16Result utf16a = new UnicodeUtil.UTF16Result();
-
- boolean hasIllegal = false;
- byte[] last = new byte[60];
-
- int num = atLeast(100000);
- for (int iter = 0; iter < num; iter++) {
-
- final int prefix;
-
- if (iter == 0 || hasIllegal)
- prefix = 0;
- else
- prefix = nextInt(20);
-
- hasIllegal = fillUnicode(buffer, expected, prefix, 20-prefix);
-
- UnicodeUtil.UTF16toUTF8(buffer, 0, 20, utf8);
- if (!hasIllegal) {
- byte[] b = new String(buffer, 0, 20).getBytes("UTF-8");
- assertEquals(b.length, utf8.length);
- for(int i=0;i<b.length;i++)
- assertEquals(b[i], utf8.result[i]);
- }
-
- int bytePrefix = 20;
- if (iter == 0 || hasIllegal)
- bytePrefix = 0;
- else
- for(int i=0;i<20;i++)
- if (last[i] != utf8.result[i]) {
- bytePrefix = i;
- break;
- }
- System.arraycopy(utf8.result, 0, last, 0, utf8.length);
-
- UnicodeUtil.UTF8toUTF16(utf8.result, bytePrefix, utf8.length-bytePrefix, utf16);
- assertEquals(20, utf16.length);
- for(int i=0;i<20;i++)
- assertEquals(expected[i], utf16.result[i]);
-
- UnicodeUtil.UTF8toUTF16(utf8.result, 0, utf8.length, utf16a);
- assertEquals(20, utf16a.length);
- for(int i=0;i<20;i++)
- assertEquals(expected[i], utf16a.result[i]);
- }
- }
-}
fnp / pylucene.git / blobdiff