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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.prelude.query;
import com.yahoo.prelude.query.MultiRangeItem.NumberType;
import com.yahoo.prelude.query.MultiRangeItem.Range;
import org.junit.jupiter.api.Disabled;
import org.junit.jupiter.api.Test;
import java.nio.ByteBuffer;
import java.util.List;
import static com.yahoo.compress.IntegerCompressor.putCompressedNumber;
import static com.yahoo.prelude.query.MultiRangeItem.Limit.EXCLUSIVE;
import static com.yahoo.prelude.query.MultiRangeItem.Limit.INCLUSIVE;
import static java.lang.Double.NEGATIVE_INFINITY;
import static java.lang.Double.NaN;
import static java.lang.Double.POSITIVE_INFINITY;
import static java.nio.charset.StandardCharsets.UTF_8;
import static java.util.Comparator.comparingInt;
import static org.junit.jupiter.api.Assertions.assertArrayEquals;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.fail;
/**
* @author jonmv
*/
public class MultiRangeItemTestCase {
// We'll add ranges (0, 0), (0, 2), (2, 2), (3, 4), (5, 8), (6, 6), (7, 9), (9, 9), (1, 8), in that order, and in "random" order.
final List<Range<Integer>> ranges = List.of(new Range<>(1, 8), // Make it "unordered", so sorting is delayed.
new Range<>(0, 0),
new Range<>(0, 2),
new Range<>(2, 2),
new Range<>(3, 4),
new Range<>(5, 8),
new Range<>(6, 6),
new Range<>(9, 9),
new Range<>(7, 9));
@Test
public void testNanIsDisallowed() {
try {
MultiRangeItem.overPoints(NumberType.DOUBLE, "i", INCLUSIVE, EXCLUSIVE).addPoint(NaN);
fail("NaN should be disallowed");
}
catch (IllegalArgumentException e) {
assertEquals("range start cannot be NaN", e.getMessage());
}
}
@Test
public void testSpecialValuesWithClosedIntervals() {
MultiRangeItem<Double> item = MultiRangeItem.overPoints(NumberType.DOUBLE, "i", INCLUSIVE, INCLUSIVE);
item.addPoint(0.0);
item.addPoint(-0.0);
assertEquals(List.of(new Range<>(0.0, 0.0)),
item.sortedRanges());
item.addRange(NEGATIVE_INFINITY, 0.0);
assertEquals(List.of(new Range<>(NEGATIVE_INFINITY, 0.0)),
item.sortedRanges());
item.addRange(0.0, POSITIVE_INFINITY);
assertEquals(List.of(new Range<>(NEGATIVE_INFINITY, POSITIVE_INFINITY)),
item.sortedRanges());
try {
item.addRange(POSITIVE_INFINITY, NEGATIVE_INFINITY);
fail("negative ranges should be disallowed");
}
catch (IllegalArgumentException e) {
assertEquals("ranges must satisfy start <= end, but got Infinity > -Infinity", e.getMessage());
}
}
@Test
public void testSpecialValuesWithClosedOpenIntervals() {
MultiRangeItem<Double> item = MultiRangeItem.overPoints(NumberType.DOUBLE, "i", INCLUSIVE, EXCLUSIVE);
item.addPoint( 0.0);
item.addPoint(-0.0);
assertEquals(List.of(new Range<>(0.0, 0.0)),
item.sortedRanges());
item.addRange(NEGATIVE_INFINITY, 0.0);
assertEquals(List.of(new Range<>(NEGATIVE_INFINITY, 0.0)),
item.sortedRanges());
item.addRange(0.0, POSITIVE_INFINITY);
assertEquals(List.of(new Range<>(NEGATIVE_INFINITY, POSITIVE_INFINITY)),
item.sortedRanges());
try {
item.addRange(POSITIVE_INFINITY, NEGATIVE_INFINITY);
fail("negative ranges should be disallowed");
}
catch (IllegalArgumentException e) {
assertEquals("ranges must satisfy start <= end, but got Infinity > -Infinity", e.getMessage());
}
}
@Test
public void testSpecialValuesWithOpenClosedIntervals() {
MultiRangeItem<Double> item = MultiRangeItem.overPoints(NumberType.DOUBLE, "i", EXCLUSIVE, INCLUSIVE);
item.addPoint( 0.0);
item.addPoint(-0.0);
assertEquals(List.of(new Range<>(0.0, 0.0)),
item.sortedRanges());
item.addRange(NEGATIVE_INFINITY, 0.0);
assertEquals(List.of(new Range<>(NEGATIVE_INFINITY, 0.0)),
item.sortedRanges());
item.addRange(0.0, POSITIVE_INFINITY);
assertEquals(List.of(new Range<>(NEGATIVE_INFINITY, POSITIVE_INFINITY)),
item.sortedRanges());
try {
item.addRange(POSITIVE_INFINITY, NEGATIVE_INFINITY);
fail("negative ranges should be disallowed");
}
catch (IllegalArgumentException e) {
assertEquals("ranges must satisfy start <= end, but got Infinity > -Infinity", e.getMessage());
}
}
@Test
public void testSpecialValuesWithOpenIntervals() {
MultiRangeItem<Double> item = MultiRangeItem.overPoints(NumberType.DOUBLE, "i", EXCLUSIVE, EXCLUSIVE);
item.addPoint( 0.0);
item.addPoint(-0.0);
assertEquals(List.of(new Range<>(0.0, 0.0)),
item.sortedRanges());
item.addRange(NEGATIVE_INFINITY, 0.0);
assertEquals(List.of(new Range<>(NEGATIVE_INFINITY, 0.0)),
item.sortedRanges());
item.addRange(0.0, POSITIVE_INFINITY);
assertEquals(List.of(new Range<>(NEGATIVE_INFINITY, 0.0),
new Range<>(0.0, POSITIVE_INFINITY)),
item.sortedRanges());
try {
item.addRange(POSITIVE_INFINITY, NEGATIVE_INFINITY);
fail("negative ranges should be disallowed");
}
catch (IllegalArgumentException e) {
assertEquals("ranges must satisfy start <= end, but got Infinity > -Infinity", e.getMessage());
}
}
@Test
public void testAddingRangesOrderedByStartWithClosedIntervals() {
MultiRangeItem<Integer> item = MultiRangeItem.overPoints(NumberType.INTEGER, "i", INCLUSIVE, INCLUSIVE);
ranges.stream().sorted(comparingInt(range -> range.start))
.forEach(range -> item.addRange(range.start, range.end));
assertEquals(List.of(new Range<>(0, 9)),
item.sortedRanges());
}
@Test
public void testAddingRangesOrderedByStartWithOpenIntervals() {
MultiRangeItem<Integer> item = MultiRangeItem.overPoints(NumberType.INTEGER, "i", EXCLUSIVE, EXCLUSIVE);
ranges.stream().sorted(comparingInt(range -> range.start))
.forEach(range -> item.addRange(range.start, range.end));
assertEquals(List.of(new Range<>(0, 9)),
item.sortedRanges());
}
@Test
public void testAddingRangesOrderedByEndWithClosedIntervals() {
MultiRangeItem<Integer> item = MultiRangeItem.overPoints(NumberType.INTEGER, "i", INCLUSIVE, INCLUSIVE);
ranges.stream().sorted(comparingInt(range -> range.end))
.forEach(range -> item.addRange(range.start, range.end));
assertEquals(List.of(new Range<>(0, 9)),
item.sortedRanges());
}
@Test
public void testAddingRangesOrderedByEndWithOpenIntervals() {
MultiRangeItem<Integer> item = MultiRangeItem.overPoints(NumberType.INTEGER, "i", EXCLUSIVE, EXCLUSIVE);
ranges.stream().sorted(comparingInt(range -> range.end))
.forEach(range -> item.addRange(range.start, range.end));
assertEquals(List.of(new Range<>(0, 9)),
item.sortedRanges());
}
@Test
public void testAddingRangesUnorderedWithClosedIntervals() {
MultiRangeItem<Integer> item = MultiRangeItem.overPoints(NumberType.INTEGER, "i", INCLUSIVE, INCLUSIVE);
for (Range<Integer> range : ranges)
item.addRange(range.start, range.end);
assertEquals(List.of(new Range<>(0, 9)),
item.sortedRanges());
}
@Test
public void testAddingRangesUnorderedWithOpenIntervals() {
MultiRangeItem<Integer> item = MultiRangeItem.overPoints(NumberType.INTEGER, "i", EXCLUSIVE, EXCLUSIVE);
for (Range<Integer> range : ranges)
item.addRange(range.start, range.end);
assertEquals(List.of(new Range<>(0, 9)),
item.sortedRanges());
}
@Test
@Disabled
public void testDoublePointsSerialization() {
ByteBuffer pointsBuffer = ByteBuffer.allocate(25);
MultiRangeItem<Double> pointsItem = MultiRangeItem.overPoints(NumberType.DOUBLE, "i", EXCLUSIVE, INCLUSIVE)
.addRange(NEGATIVE_INFINITY, POSITIVE_INFINITY);
pointsItem.encode(pointsBuffer);
ByteBuffer expected = ByteBuffer.allocate(25);
expected.put((byte) 0b00000111); // ItemType.MULTI_TERM
expected.put((byte) 0b00100000); // OR << 5, RANGES
expected.putInt(1); // term count
expected.put((byte) 0b00010101); // UNIFORM_DOUBLE << 3, end inclusive, same index
expected.put((byte) 1); // index name length
expected.put((byte) 'i'); // index name bytes
expected.putDouble(NEGATIVE_INFINITY);
expected.putDouble(POSITIVE_INFINITY);
pointsBuffer.flip();
expected.flip();
assertArrayEquals(expected.array(), pointsBuffer.array());
assertEquals(expected, pointsBuffer);
}
@Test
@Disabled
public void testDoubleRangesSerialization() {
ByteBuffer rangesBuffer = ByteBuffer.allocate(59);
MultiRangeItem<Double> rangesItem = MultiRangeItem.overRanges(NumberType.DOUBLE, "i", INCLUSIVE, "j", EXCLUSIVE)
.addPoint( -0.0)
.addRange( 1.0, 2.0)
.addRange(-1.0, -0.5);
rangesItem.encode(rangesBuffer);
ByteBuffer expected = ByteBuffer.allocate(59);
expected.put((byte) 0b00000111); // ItemType.MULTI_TERM
expected.put((byte) 0b00100000); // OR << 5, RANGES
expected.putInt(3); // term count
expected.put((byte) 0b00010010); // UNIFORM_DOUBLE, start inclusive, two indexes
expected.put((byte) 1); // index name length
expected.put((byte) 'i'); // index name bytes
expected.put((byte) 1); // index name length
expected.put((byte) 'j'); // index name bytes
expected.putDouble(-1.0);
expected.putDouble(-0.5);
expected.putDouble(-0.0);
expected.putDouble(-0.0);
expected.putDouble( 1.0);
expected.putDouble( 2.0);
rangesBuffer.flip();
expected.flip();
assertArrayEquals(expected.array(), rangesBuffer.array());
assertEquals(expected, rangesBuffer);
}
@Test
@Disabled
public void testIntegerRangesSerialization() {
ByteBuffer rangesBuffer = ByteBuffer.allocate(24);
MultiRangeItem<Integer> rangesItem = MultiRangeItem.overRanges(NumberType.INTEGER, "start", INCLUSIVE, "end", EXCLUSIVE)
.addPoint( 0)
.addRange( 1, (1 << 29) - 1)
.addRange(-1, -0);
rangesItem.encode(rangesBuffer);
ByteBuffer expected = ByteBuffer.allocate(24);
expected.put((byte) 0b00000111); // ItemType.MULTI_TERM
expected.put((byte) 0b00100000); // OR << 5, RANGES
expected.putInt(2); // term count
expected.put((byte) 0b00011010); // COMPRESSED_INTEGER << 3, start inclusive, two indexes
expected.put((byte) 5); // index name length
expected.put("start".getBytes(UTF_8)); // index name bytes
expected.put((byte) 3); // index name length
expected.put("end".getBytes(UTF_8)); // index name bytes
putCompressedNumber(-1, expected); // 1 byte
putCompressedNumber(0, expected); // 1 byte
putCompressedNumber(1, expected); // 1 byte
putCompressedNumber((1 << 29) - 1, expected); // 4 bytes
rangesBuffer.flip();
expected.flip();
assertArrayEquals(expected.array(), rangesBuffer.array());
assertEquals(expected, rangesBuffer);
}
}
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