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Re-adding the backward_codecs.lucene90 TestPForUtil + TestForUtil (#1…
…2781) Clean-up from adding the Lucene99PostingsFormat in #12741 These test cases were moved to Lucene99 dir and I forgot to copy the unmodified versions for the backward_codecs.lucene90
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94 changes: 94 additions & 0 deletions
94
lucene/backward-codecs/src/test/org/apache/lucene/backward_codecs/lucene90/TestForUtil.java
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/* | ||
* 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.backward_codecs.lucene90; | ||
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import com.carrotsearch.randomizedtesting.generators.RandomNumbers; | ||
import java.io.IOException; | ||
import java.util.Arrays; | ||
import org.apache.lucene.store.ByteBuffersDirectory; | ||
import org.apache.lucene.store.Directory; | ||
import org.apache.lucene.store.IOContext; | ||
import org.apache.lucene.store.IndexInput; | ||
import org.apache.lucene.store.IndexOutput; | ||
import org.apache.lucene.tests.util.LuceneTestCase; | ||
import org.apache.lucene.tests.util.TestUtil; | ||
import org.apache.lucene.util.ArrayUtil; | ||
import org.apache.lucene.util.packed.PackedInts; | ||
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public class TestForUtil extends LuceneTestCase { | ||
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public void testEncodeDecode() throws IOException { | ||
final int iterations = RandomNumbers.randomIntBetween(random(), 50, 1000); | ||
final int[] values = new int[iterations * ForUtil.BLOCK_SIZE]; | ||
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for (int i = 0; i < iterations; ++i) { | ||
final int bpv = TestUtil.nextInt(random(), 1, 31); | ||
for (int j = 0; j < ForUtil.BLOCK_SIZE; ++j) { | ||
values[i * ForUtil.BLOCK_SIZE + j] = | ||
RandomNumbers.randomIntBetween(random(), 0, (int) PackedInts.maxValue(bpv)); | ||
} | ||
} | ||
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final Directory d = new ByteBuffersDirectory(); | ||
final long endPointer; | ||
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{ | ||
// encode | ||
IndexOutput out = d.createOutput("test.bin", IOContext.DEFAULT); | ||
final ForUtil forUtil = new ForUtil(); | ||
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for (int i = 0; i < iterations; ++i) { | ||
long[] source = new long[ForUtil.BLOCK_SIZE]; | ||
long or = 0; | ||
for (int j = 0; j < ForUtil.BLOCK_SIZE; ++j) { | ||
source[j] = values[i * ForUtil.BLOCK_SIZE + j]; | ||
or |= source[j]; | ||
} | ||
final int bpv = PackedInts.bitsRequired(or); | ||
out.writeByte((byte) bpv); | ||
forUtil.encode(source, bpv, out); | ||
} | ||
endPointer = out.getFilePointer(); | ||
out.close(); | ||
} | ||
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{ | ||
// decode | ||
IndexInput in = d.openInput("test.bin", IOContext.READONCE); | ||
final ForUtil forUtil = new ForUtil(); | ||
for (int i = 0; i < iterations; ++i) { | ||
final int bitsPerValue = in.readByte(); | ||
final long currentFilePointer = in.getFilePointer(); | ||
final long[] restored = new long[ForUtil.BLOCK_SIZE]; | ||
forUtil.decode(bitsPerValue, in, restored); | ||
int[] ints = new int[ForUtil.BLOCK_SIZE]; | ||
for (int j = 0; j < ForUtil.BLOCK_SIZE; ++j) { | ||
ints[j] = Math.toIntExact(restored[j]); | ||
} | ||
assertArrayEquals( | ||
Arrays.toString(ints), | ||
ArrayUtil.copyOfSubArray(values, i * ForUtil.BLOCK_SIZE, (i + 1) * ForUtil.BLOCK_SIZE), | ||
ints); | ||
assertEquals(forUtil.numBytes(bitsPerValue), in.getFilePointer() - currentFilePointer); | ||
} | ||
assertEquals(endPointer, in.getFilePointer()); | ||
in.close(); | ||
} | ||
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d.close(); | ||
} | ||
} |
140 changes: 140 additions & 0 deletions
140
lucene/backward-codecs/src/test/org/apache/lucene/backward_codecs/lucene90/TestPForUtil.java
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/* | ||
* 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.backward_codecs.lucene90; | ||
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import com.carrotsearch.randomizedtesting.generators.RandomNumbers; | ||
import java.io.IOException; | ||
import java.util.Arrays; | ||
import org.apache.lucene.store.ByteBuffersDirectory; | ||
import org.apache.lucene.store.Directory; | ||
import org.apache.lucene.store.IOContext; | ||
import org.apache.lucene.store.IndexInput; | ||
import org.apache.lucene.store.IndexOutput; | ||
import org.apache.lucene.tests.util.LuceneTestCase; | ||
import org.apache.lucene.tests.util.TestUtil; | ||
import org.apache.lucene.util.ArrayUtil; | ||
import org.apache.lucene.util.packed.PackedInts; | ||
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public class TestPForUtil extends LuceneTestCase { | ||
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public void testEncodeDecode() throws IOException { | ||
final int iterations = RandomNumbers.randomIntBetween(random(), 50, 1000); | ||
final int[] values = createTestData(iterations, 31); | ||
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final Directory d = new ByteBuffersDirectory(); | ||
final long endPointer = encodeTestData(iterations, values, d); | ||
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IndexInput in = d.openInput("test.bin", IOContext.READONCE); | ||
final PForUtil pforUtil = new PForUtil(new ForUtil()); | ||
for (int i = 0; i < iterations; ++i) { | ||
if (random().nextInt(5) == 0) { | ||
pforUtil.skip(in); | ||
continue; | ||
} | ||
final long[] restored = new long[ForUtil.BLOCK_SIZE]; | ||
pforUtil.decode(in, restored); | ||
int[] ints = new int[ForUtil.BLOCK_SIZE]; | ||
for (int j = 0; j < ForUtil.BLOCK_SIZE; ++j) { | ||
ints[j] = Math.toIntExact(restored[j]); | ||
} | ||
assertArrayEquals( | ||
Arrays.toString(ints), | ||
ArrayUtil.copyOfSubArray(values, i * ForUtil.BLOCK_SIZE, (i + 1) * ForUtil.BLOCK_SIZE), | ||
ints); | ||
} | ||
assertEquals(endPointer, in.getFilePointer()); | ||
in.close(); | ||
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d.close(); | ||
} | ||
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public void testDeltaEncodeDecode() throws IOException { | ||
final int iterations = RandomNumbers.randomIntBetween(random(), 50, 1000); | ||
// cap at 31 - 7 bpv to ensure we don't overflow when working with deltas (i.e., 128 24 bit | ||
// values treated as deltas will result in a final value that can fit in 31 bits) | ||
final int[] values = createTestData(iterations, 31 - 7); | ||
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final Directory d = new ByteBuffersDirectory(); | ||
final long endPointer = encodeTestData(iterations, values, d); | ||
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IndexInput in = d.openInput("test.bin", IOContext.READONCE); | ||
final PForUtil pForUtil = new PForUtil(new ForUtil()); | ||
for (int i = 0; i < iterations; ++i) { | ||
if (random().nextInt(5) == 0) { | ||
pForUtil.skip(in); | ||
continue; | ||
} | ||
long base = 0; | ||
final long[] restored = new long[ForUtil.BLOCK_SIZE]; | ||
pForUtil.decodeAndPrefixSum(in, base, restored); | ||
final long[] expected = new long[ForUtil.BLOCK_SIZE]; | ||
for (int j = 0; j < ForUtil.BLOCK_SIZE; ++j) { | ||
expected[j] = values[i * ForUtil.BLOCK_SIZE + j]; | ||
if (j > 0) { | ||
expected[j] += expected[j - 1]; | ||
} else { | ||
expected[j] += base; | ||
} | ||
} | ||
assertArrayEquals(Arrays.toString(restored), expected, restored); | ||
} | ||
assertEquals(endPointer, in.getFilePointer()); | ||
in.close(); | ||
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d.close(); | ||
} | ||
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private int[] createTestData(int iterations, int maxBpv) { | ||
final int[] values = new int[iterations * ForUtil.BLOCK_SIZE]; | ||
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for (int i = 0; i < iterations; ++i) { | ||
final int bpv = TestUtil.nextInt(random(), 0, maxBpv); | ||
for (int j = 0; j < ForUtil.BLOCK_SIZE; ++j) { | ||
values[i * ForUtil.BLOCK_SIZE + j] = | ||
RandomNumbers.randomIntBetween(random(), 0, (int) PackedInts.maxValue(bpv)); | ||
if (random().nextInt(100) == 0) { | ||
final int exceptionBpv; | ||
if (random().nextInt(10) == 0) { | ||
exceptionBpv = Math.min(bpv + TestUtil.nextInt(random(), 9, 16), maxBpv); | ||
} else { | ||
exceptionBpv = Math.min(bpv + TestUtil.nextInt(random(), 1, 8), maxBpv); | ||
} | ||
values[i * ForUtil.BLOCK_SIZE + j] |= random().nextInt(1 << (exceptionBpv - bpv)) << bpv; | ||
} | ||
} | ||
} | ||
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return values; | ||
} | ||
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private long encodeTestData(int iterations, int[] values, Directory d) throws IOException { | ||
IndexOutput out = d.createOutput("test.bin", IOContext.DEFAULT); | ||
final PForUtil pforUtil = new PForUtil(new ForUtil()); | ||
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for (int i = 0; i < iterations; ++i) { | ||
long[] source = new long[ForUtil.BLOCK_SIZE]; | ||
for (int j = 0; j < ForUtil.BLOCK_SIZE; ++j) { | ||
source[j] = values[i * ForUtil.BLOCK_SIZE + j]; | ||
} | ||
pforUtil.encode(source, out); | ||
} | ||
final long endPointer = out.getFilePointer(); | ||
out.close(); | ||
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return endPointer; | ||
} | ||
} |