Repository navigation
Expand file tree
/
Copy pathTestVariableWidthOutOfPlaceVectorSorter.java
More file actions
108 lines (90 loc) · 3.78 KB
/
Copy pathTestVariableWidthOutOfPlaceVectorSorter.java
File metadata and controls
108 lines (90 loc) · 3.78 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
/*
* 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.arrow.algorithm.sort;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import org.apache.arrow.memory.BufferAllocator;
import org.apache.arrow.memory.RootAllocator;
import org.apache.arrow.vector.BaseVariableWidthVector;
import org.apache.arrow.vector.VarCharVector;
import org.junit.After;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
/**
* Test cases for {@link VariableWidthOutOfPlaceVectorSorter}.
*/
public class TestVariableWidthOutOfPlaceVectorSorter extends TestOutOfPlaceVectorSorter {
private BufferAllocator allocator;
public TestVariableWidthOutOfPlaceVectorSorter(boolean generalSorter) {
super(generalSorter);
}
<V extends BaseVariableWidthVector> OutOfPlaceVectorSorter<V> getSorter() {
return generalSorter ? new GeneralOutOfPlaceVectorSorter<>() : new VariableWidthOutOfPlaceVectorSorter<V>();
}
@Before
public void prepare() {
allocator = new RootAllocator(1024 * 1024);
}
@After
public void shutdown() {
allocator.close();
}
@Test
public void testSortString() {
try (VarCharVector vec = new VarCharVector("", allocator)) {
vec.allocateNew(100, 10);
vec.setValueCount(10);
// fill data to sort
vec.set(0, "hello".getBytes());
vec.set(1, "abc".getBytes());
vec.setNull(2);
vec.set(3, "world".getBytes());
vec.set(4, "12".getBytes());
vec.set(5, "dictionary".getBytes());
vec.setNull(6);
vec.set(7, "hello".getBytes());
vec.set(8, "good".getBytes());
vec.set(9, "yes".getBytes());
// sort the vector
OutOfPlaceVectorSorter<BaseVariableWidthVector> sorter = getSorter();
VectorValueComparator<BaseVariableWidthVector> comparator =
DefaultVectorComparators.createDefaultComparator(vec);
VarCharVector sortedVec =
(VarCharVector) vec.getField().getFieldType().createNewSingleVector("", allocator, null);
sortedVec.allocateNew(vec.getByteCapacity(), vec.getValueCount());
sortedVec.setLastSet(vec.getValueCount() - 1);
sortedVec.setValueCount(vec.getValueCount());
sorter.sortOutOfPlace(vec, sortedVec, comparator);
// verify results
Assert.assertEquals(vec.getValueCount(), sortedVec.getValueCount());
Assert.assertEquals(vec.getByteCapacity(), sortedVec.getByteCapacity());
Assert.assertEquals(vec.getLastSet(), sortedVec.getLastSet());
assertTrue(sortedVec.isNull(0));
assertTrue(sortedVec.isNull(1));
assertEquals("12", new String(sortedVec.get(2)));
assertEquals("abc", new String(sortedVec.get(3)));
assertEquals("dictionary", new String(sortedVec.get(4)));
assertEquals("good", new String(sortedVec.get(5)));
assertEquals("hello", new String(sortedVec.get(6)));
assertEquals("hello", new String(sortedVec.get(7)));
assertEquals("world", new String(sortedVec.get(8)));
assertEquals("yes", new String(sortedVec.get(9)));
sortedVec.close();
}
}
}