+++ /dev/null
-package org.apache.lucene.util;
-
-/**
- * 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.nio.CharBuffer;
-import java.nio.ByteBuffer;
-
-public class TestIndexableBinaryStringTools extends LuceneTestCase {
- private static final int NUM_RANDOM_TESTS = atLeast(200);
- private static final int MAX_RANDOM_BINARY_LENGTH = atLeast(300);
-
- /** @deprecated remove this test for Lucene 4.0 */
- @Deprecated
- public void testSingleBinaryRoundTripNIO() {
- byte[] binary = new byte[]
- { (byte)0x23, (byte)0x98, (byte)0x13, (byte)0xE4, (byte)0x76, (byte)0x41,
- (byte)0xB2, (byte)0xC9, (byte)0x7F, (byte)0x0A, (byte)0xA6, (byte)0xD8 };
-
- ByteBuffer binaryBuf = ByteBuffer.wrap(binary);
- CharBuffer encoded = IndexableBinaryStringTools.encode(binaryBuf);
- ByteBuffer decoded = IndexableBinaryStringTools.decode(encoded);
- assertEquals("Round trip decode/decode returned different results:"
- + System.getProperty("line.separator")
- + "original: " + binaryDumpNIO(binaryBuf)
- + System.getProperty("line.separator")
- + " encoded: " + charArrayDumpNIO(encoded)
- + System.getProperty("line.separator")
- + " decoded: " + binaryDumpNIO(decoded),
- binaryBuf, decoded);
- }
-
- public void testSingleBinaryRoundTrip() {
- byte[] binary = new byte[] { (byte) 0x23, (byte) 0x98, (byte) 0x13,
- (byte) 0xE4, (byte) 0x76, (byte) 0x41, (byte) 0xB2, (byte) 0xC9,
- (byte) 0x7F, (byte) 0x0A, (byte) 0xA6, (byte) 0xD8 };
-
- int encodedLen = IndexableBinaryStringTools.getEncodedLength(binary, 0,
- binary.length);
- char encoded[] = new char[encodedLen];
- IndexableBinaryStringTools.encode(binary, 0, binary.length, encoded, 0,
- encoded.length);
-
- int decodedLen = IndexableBinaryStringTools.getDecodedLength(encoded, 0,
- encoded.length);
- byte decoded[] = new byte[decodedLen];
- IndexableBinaryStringTools.decode(encoded, 0, encoded.length, decoded, 0,
- decoded.length);
-
- assertEquals("Round trip decode/decode returned different results:"
- + System.getProperty("line.separator") + "original: "
- + binaryDump(binary, binary.length)
- + System.getProperty("line.separator") + " encoded: "
- + charArrayDump(encoded, encoded.length)
- + System.getProperty("line.separator") + " decoded: "
- + binaryDump(decoded, decoded.length),
- binaryDump(binary, binary.length), binaryDump(decoded, decoded.length));
- }
-
- /** @deprecated remove this test for Lucene 4.0 */
- @Deprecated
- public void testEncodedSortabilityNIO() {
- byte[] originalArray1 = new byte[MAX_RANDOM_BINARY_LENGTH];
- ByteBuffer originalBuf1 = ByteBuffer.wrap(originalArray1);
- char[] originalString1 = new char[MAX_RANDOM_BINARY_LENGTH];
- CharBuffer originalStringBuf1 = CharBuffer.wrap(originalString1);
- char[] encoded1 = new char[IndexableBinaryStringTools.getEncodedLength(originalBuf1)];
- CharBuffer encodedBuf1 = CharBuffer.wrap(encoded1);
- byte[] original2 = new byte[MAX_RANDOM_BINARY_LENGTH];
- ByteBuffer originalBuf2 = ByteBuffer.wrap(original2);
- char[] originalString2 = new char[MAX_RANDOM_BINARY_LENGTH];
- CharBuffer originalStringBuf2 = CharBuffer.wrap(originalString2);
- char[] encoded2 = new char[IndexableBinaryStringTools.getEncodedLength(originalBuf2)];
- CharBuffer encodedBuf2 = CharBuffer.wrap(encoded2);
- for (int testNum = 0 ; testNum < NUM_RANDOM_TESTS ; ++testNum) {
- int numBytes1 = random.nextInt(MAX_RANDOM_BINARY_LENGTH - 1) + 1; // Min == 1
- originalBuf1.limit(numBytes1);
- originalStringBuf1.limit(numBytes1);
-
- for (int byteNum = 0 ; byteNum < numBytes1 ; ++byteNum) {
- int randomInt = random.nextInt(0x100);
- originalArray1[byteNum] = (byte) randomInt;
- originalString1[byteNum] = (char)randomInt;
- }
-
- int numBytes2 = random.nextInt(MAX_RANDOM_BINARY_LENGTH - 1) + 1; // Min == 1
- originalBuf2.limit(numBytes2);
- originalStringBuf2.limit(numBytes2);
- for (int byteNum = 0 ; byteNum < numBytes2 ; ++byteNum) {
- int randomInt = random.nextInt(0x100);
- original2[byteNum] = (byte)randomInt;
- originalString2[byteNum] = (char)randomInt;
- }
- int originalComparison = originalStringBuf1.compareTo(originalStringBuf2);
- originalComparison = originalComparison < 0 ? -1 : originalComparison > 0 ? 1 : 0;
-
- IndexableBinaryStringTools.encode(originalBuf1, encodedBuf1);
- IndexableBinaryStringTools.encode(originalBuf2, encodedBuf2);
-
- int encodedComparison = encodedBuf1.compareTo(encodedBuf2);
- encodedComparison = encodedComparison < 0 ? -1 : encodedComparison > 0 ? 1 : 0;
-
- assertEquals("Test #" + (testNum + 1)
- + ": Original bytes and encoded chars compare differently:"
- + System.getProperty("line.separator")
- + " binary 1: " + binaryDumpNIO(originalBuf1)
- + System.getProperty("line.separator")
- + " binary 2: " + binaryDumpNIO(originalBuf2)
- + System.getProperty("line.separator")
- + "encoded 1: " + charArrayDumpNIO(encodedBuf1)
- + System.getProperty("line.separator")
- + "encoded 2: " + charArrayDumpNIO(encodedBuf2)
- + System.getProperty("line.separator"),
- originalComparison, encodedComparison);
- }
- }
-
- public void testEncodedSortability() {
- byte[] originalArray1 = new byte[MAX_RANDOM_BINARY_LENGTH];
- char[] originalString1 = new char[MAX_RANDOM_BINARY_LENGTH];
- char[] encoded1 = new char[MAX_RANDOM_BINARY_LENGTH * 10];
- byte[] original2 = new byte[MAX_RANDOM_BINARY_LENGTH];
- char[] originalString2 = new char[MAX_RANDOM_BINARY_LENGTH];
- char[] encoded2 = new char[MAX_RANDOM_BINARY_LENGTH * 10];
-
- for (int testNum = 0; testNum < NUM_RANDOM_TESTS; ++testNum) {
- int numBytes1 = random.nextInt(MAX_RANDOM_BINARY_LENGTH - 1) + 1; // Min == 1
-
- for (int byteNum = 0; byteNum < numBytes1; ++byteNum) {
- int randomInt = random.nextInt(0x100);
- originalArray1[byteNum] = (byte) randomInt;
- originalString1[byteNum] = (char) randomInt;
- }
-
- int numBytes2 = random.nextInt(MAX_RANDOM_BINARY_LENGTH - 1) + 1; // Min == 1
-
- for (int byteNum = 0; byteNum < numBytes2; ++byteNum) {
- int randomInt = random.nextInt(0x100);
- original2[byteNum] = (byte) randomInt;
- originalString2[byteNum] = (char) randomInt;
- }
- int originalComparison = new String(originalString1, 0, numBytes1)
- .compareTo(new String(originalString2, 0, numBytes2));
- originalComparison = originalComparison < 0 ? -1
- : originalComparison > 0 ? 1 : 0;
-
- int encodedLen1 = IndexableBinaryStringTools.getEncodedLength(
- originalArray1, 0, numBytes1);
- if (encodedLen1 > encoded1.length)
- encoded1 = new char[ArrayUtil.oversize(encodedLen1, RamUsageEstimator.NUM_BYTES_CHAR)];
- IndexableBinaryStringTools.encode(originalArray1, 0, numBytes1, encoded1,
- 0, encodedLen1);
-
- int encodedLen2 = IndexableBinaryStringTools.getEncodedLength(original2,
- 0, numBytes2);
- if (encodedLen2 > encoded2.length)
- encoded2 = new char[ArrayUtil.oversize(encodedLen2, RamUsageEstimator.NUM_BYTES_CHAR)];
- IndexableBinaryStringTools.encode(original2, 0, numBytes2, encoded2, 0,
- encodedLen2);
-
- int encodedComparison = new String(encoded1, 0, encodedLen1)
- .compareTo(new String(encoded2, 0, encodedLen2));
- encodedComparison = encodedComparison < 0 ? -1
- : encodedComparison > 0 ? 1 : 0;
-
- assertEquals("Test #" + (testNum + 1)
- + ": Original bytes and encoded chars compare differently:"
- + System.getProperty("line.separator") + " binary 1: "
- + binaryDump(originalArray1, numBytes1)
- + System.getProperty("line.separator") + " binary 2: "
- + binaryDump(original2, numBytes2)
- + System.getProperty("line.separator") + "encoded 1: "
- + charArrayDump(encoded1, encodedLen1)
- + System.getProperty("line.separator") + "encoded 2: "
- + charArrayDump(encoded2, encodedLen2)
- + System.getProperty("line.separator"), originalComparison,
- encodedComparison);
- }
- }
-
- /** @deprecated remove this test for Lucene 4.0 */
- @Deprecated
- public void testEmptyInputNIO() {
- byte[] binary = new byte[0];
- CharBuffer encoded = IndexableBinaryStringTools.encode(ByteBuffer.wrap(binary));
- ByteBuffer decoded = IndexableBinaryStringTools.decode(encoded);
- assertNotNull("decode() returned null", decoded);
- assertEquals("decoded empty input was not empty", decoded.limit(), 0);
- }
-
- public void testEmptyInput() {
- byte[] binary = new byte[0];
-
- int encodedLen = IndexableBinaryStringTools.getEncodedLength(binary, 0,
- binary.length);
- char[] encoded = new char[encodedLen];
- IndexableBinaryStringTools.encode(binary, 0, binary.length, encoded, 0,
- encoded.length);
-
- int decodedLen = IndexableBinaryStringTools.getDecodedLength(encoded, 0,
- encoded.length);
- byte[] decoded = new byte[decodedLen];
- IndexableBinaryStringTools.decode(encoded, 0, encoded.length, decoded, 0,
- decoded.length);
-
- assertEquals("decoded empty input was not empty", decoded.length, 0);
- }
-
- /** @deprecated remove this test for Lucene 4.0 */
- @Deprecated
- public void testAllNullInputNIO() {
- byte[] binary = new byte[] { 0, 0, 0, 0, 0, 0, 0, 0, 0 };
- ByteBuffer binaryBuf = ByteBuffer.wrap(binary);
- CharBuffer encoded = IndexableBinaryStringTools.encode(binaryBuf);
- assertNotNull("encode() returned null", encoded);
- ByteBuffer decodedBuf = IndexableBinaryStringTools.decode(encoded);
- assertNotNull("decode() returned null", decodedBuf);
- assertEquals("Round trip decode/decode returned different results:"
- + System.getProperty("line.separator")
- + " original: " + binaryDumpNIO(binaryBuf)
- + System.getProperty("line.separator")
- + "decodedBuf: " + binaryDumpNIO(decodedBuf),
- binaryBuf, decodedBuf);
- }
-
- public void testAllNullInput() {
- byte[] binary = new byte[] { 0, 0, 0, 0, 0, 0, 0, 0, 0 };
-
- int encodedLen = IndexableBinaryStringTools.getEncodedLength(binary, 0,
- binary.length);
- char encoded[] = new char[encodedLen];
- IndexableBinaryStringTools.encode(binary, 0, binary.length, encoded, 0,
- encoded.length);
-
- int decodedLen = IndexableBinaryStringTools.getDecodedLength(encoded, 0,
- encoded.length);
- byte[] decoded = new byte[decodedLen];
- IndexableBinaryStringTools.decode(encoded, 0, encoded.length, decoded, 0,
- decoded.length);
-
- assertEquals("Round trip decode/decode returned different results:"
- + System.getProperty("line.separator") + " original: "
- + binaryDump(binary, binary.length)
- + System.getProperty("line.separator") + "decodedBuf: "
- + binaryDump(decoded, decoded.length),
- binaryDump(binary, binary.length), binaryDump(decoded, decoded.length));
- }
-
- /** @deprecated remove this test for Lucene 4.0 */
- @Deprecated
- public void testRandomBinaryRoundTripNIO() {
- byte[] binary = new byte[MAX_RANDOM_BINARY_LENGTH];
- ByteBuffer binaryBuf = ByteBuffer.wrap(binary);
- char[] encoded = new char[IndexableBinaryStringTools.getEncodedLength(binaryBuf)];
- CharBuffer encodedBuf = CharBuffer.wrap(encoded);
- byte[] decoded = new byte[MAX_RANDOM_BINARY_LENGTH];
- ByteBuffer decodedBuf = ByteBuffer.wrap(decoded);
- for (int testNum = 0 ; testNum < NUM_RANDOM_TESTS ; ++testNum) {
- int numBytes = random.nextInt(MAX_RANDOM_BINARY_LENGTH - 1) + 1 ; // Min == 1
- binaryBuf.limit(numBytes);
- for (int byteNum = 0 ; byteNum < numBytes ; ++byteNum) {
- binary[byteNum] = (byte)random.nextInt(0x100);
- }
- IndexableBinaryStringTools.encode(binaryBuf, encodedBuf);
- IndexableBinaryStringTools.decode(encodedBuf, decodedBuf);
- assertEquals("Test #" + (testNum + 1)
- + ": Round trip decode/decode returned different results:"
- + System.getProperty("line.separator")
- + " original: " + binaryDumpNIO(binaryBuf)
- + System.getProperty("line.separator")
- + "encodedBuf: " + charArrayDumpNIO(encodedBuf)
- + System.getProperty("line.separator")
- + "decodedBuf: " + binaryDumpNIO(decodedBuf),
- binaryBuf, decodedBuf);
- }
- }
-
- public void testRandomBinaryRoundTrip() {
- byte[] binary = new byte[MAX_RANDOM_BINARY_LENGTH];
- char[] encoded = new char[MAX_RANDOM_BINARY_LENGTH * 10];
- byte[] decoded = new byte[MAX_RANDOM_BINARY_LENGTH];
- for (int testNum = 0; testNum < NUM_RANDOM_TESTS; ++testNum) {
- int numBytes = random.nextInt(MAX_RANDOM_BINARY_LENGTH - 1) + 1; // Min == 1
-
- for (int byteNum = 0; byteNum < numBytes; ++byteNum) {
- binary[byteNum] = (byte) random.nextInt(0x100);
- }
-
- int encodedLen = IndexableBinaryStringTools.getEncodedLength(binary, 0,
- numBytes);
- if (encoded.length < encodedLen)
- encoded = new char[ArrayUtil.oversize(encodedLen, RamUsageEstimator.NUM_BYTES_CHAR)];
- IndexableBinaryStringTools.encode(binary, 0, numBytes, encoded, 0,
- encodedLen);
-
- int decodedLen = IndexableBinaryStringTools.getDecodedLength(encoded, 0,
- encodedLen);
- IndexableBinaryStringTools.decode(encoded, 0, encodedLen, decoded, 0,
- decodedLen);
-
- assertEquals("Test #" + (testNum + 1)
- + ": Round trip decode/decode returned different results:"
- + System.getProperty("line.separator") + " original: "
- + binaryDump(binary, numBytes) + System.getProperty("line.separator")
- + "encodedBuf: " + charArrayDump(encoded, encodedLen)
- + System.getProperty("line.separator") + "decodedBuf: "
- + binaryDump(decoded, decodedLen), binaryDump(binary, numBytes),
- binaryDump(decoded, decodedLen));
- }
- }
-
- /** @deprecated remove this method for Lucene 4.0 */
- @Deprecated
- public String binaryDumpNIO(ByteBuffer binaryBuf) {
- return binaryDump(binaryBuf.array(),
- binaryBuf.limit() - binaryBuf.arrayOffset());
- }
-
- public String binaryDump(byte[] binary, int numBytes) {
- StringBuilder buf = new StringBuilder();
- for (int byteNum = 0 ; byteNum < numBytes ; ++byteNum) {
- String hex = Integer.toHexString(binary[byteNum] & 0xFF);
- if (hex.length() == 1) {
- buf.append('0');
- }
- buf.append(hex.toUpperCase());
- if (byteNum < numBytes - 1) {
- buf.append(' ');
- }
- }
- return buf.toString();
- }
- /** @deprecated remove this method for Lucene 4.0 */
- @Deprecated
- public String charArrayDumpNIO(CharBuffer charBuf) {
- return charArrayDump(charBuf.array(),
- charBuf.limit() - charBuf.arrayOffset());
- }
-
- public String charArrayDump(char[] charArray, int numBytes) {
- StringBuilder buf = new StringBuilder();
- for (int charNum = 0 ; charNum < numBytes ; ++charNum) {
- String hex = Integer.toHexString(charArray[charNum]);
- for (int digit = 0 ; digit < 4 - hex.length() ; ++digit) {
- buf.append('0');
- }
- buf.append(hex.toUpperCase());
- if (charNum < numBytes - 1) {
- buf.append(' ');
- }
- }
- return buf.toString();
- }
-}
fnp / pylucene.git / blobdiff