author | mduigou |
Tue, 01 Oct 2013 10:23:00 -0700 | |
changeset 20492 | 11418b1f61ff |
parent 18555 | d69e2a644e38 |
child 30966 | a832d39b95a0 |
permissions | -rw-r--r-- |
18555
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
1 |
/* |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
2 |
* Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved. |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
3 |
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
4 |
* |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
5 |
* This code is free software; you can redistribute it and/or modify it |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
6 |
* under the terms of the GNU General Public License version 2 only, as |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
7 |
* published by the Free Software Foundation. |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
8 |
* |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
9 |
* This code is distributed in the hope that it will be useful, but WITHOUT |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
10 |
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
11 |
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
12 |
* version 2 for more details (a copy is included in the LICENSE file that |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
13 |
* accompanied this code). |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
14 |
* |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
15 |
* You should have received a copy of the GNU General Public License version |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
16 |
* 2 along with this work; if not, write to the Free Software Foundation, |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
17 |
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
18 |
* |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
19 |
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
20 |
* or visit www.oracle.com if you need additional information or have any |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
21 |
* questions. |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
22 |
*/ |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
23 |
|
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
24 |
/** |
20492
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
25 |
* @test 8014076 8025067 |
18555
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
26 |
* @summary unit test for Arrays.ParallelPrefix(). |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
27 |
* @author Tristan Yan |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
28 |
* @run testng ParallelPrefix |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
29 |
*/ |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
30 |
|
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
31 |
import java.util.Arrays; |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
32 |
import java.util.function.BinaryOperator; |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
33 |
import java.util.function.DoubleBinaryOperator; |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
34 |
import java.util.function.Function; |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
35 |
import java.util.function.IntBinaryOperator; |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
36 |
import java.util.function.LongBinaryOperator; |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
37 |
import java.util.stream.IntStream; |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
38 |
import java.util.stream.LongStream; |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
39 |
import static org.testng.Assert.*; |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
40 |
import org.testng.annotations.DataProvider; |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
41 |
import org.testng.annotations.Test; |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
42 |
|
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
43 |
public class ParallelPrefix { |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
44 |
//Array size less than MIN_PARTITION |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
45 |
private final static int SMALL_ARRAY_SIZE = 1 << 3; |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
46 |
|
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
47 |
//Array size equals MIN_PARTITION |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
48 |
private final static int THRESHOLD_ARRAY_SIZE = 1 << 4; |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
49 |
|
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
50 |
//Array size greater than MIN_PARTITION |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
51 |
private final static int MEDIUM_ARRAY_SIZE = 1 << 8; |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
52 |
|
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
53 |
//Array size much greater than MIN_PARTITION |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
54 |
private final static int LARGE_ARRAY_SIZE = 1 << 12; |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
55 |
|
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
56 |
private final static int[] ARRAY_SIZE_COLLECTION = new int[]{ |
20492
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
57 |
SMALL_ARRAY_SIZE, |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
58 |
THRESHOLD_ARRAY_SIZE, |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
59 |
MEDIUM_ARRAY_SIZE, |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
60 |
LARGE_ARRAY_SIZE |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
61 |
}; |
18555
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
62 |
|
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
63 |
@DataProvider |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
64 |
public static Object[][] intSet(){ |
20492
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
65 |
return genericData(size -> IntStream.range(0, size).toArray(), |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
66 |
new IntBinaryOperator[]{ |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
67 |
Integer::sum, |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
68 |
Integer::min}); |
18555
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
69 |
} |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
70 |
|
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
71 |
@DataProvider |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
72 |
public static Object[][] longSet(){ |
20492
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
73 |
return genericData(size -> LongStream.range(0, size).toArray(), |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
74 |
new LongBinaryOperator[]{ |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
75 |
Long::sum, |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
76 |
Long::min}); |
18555
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
77 |
} |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
78 |
|
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
79 |
@DataProvider |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
80 |
public static Object[][] doubleSet(){ |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
81 |
return genericData(size -> IntStream.range(0, size).mapToDouble(i -> (double)i).toArray(), |
20492
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
82 |
new DoubleBinaryOperator[]{ |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
83 |
Double::sum, |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
84 |
Double::min}); |
18555
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
85 |
} |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
86 |
|
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
87 |
@DataProvider |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
88 |
public static Object[][] stringSet(){ |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
89 |
Function<Integer, String[]> stringsFunc = size -> |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
90 |
IntStream.range(0, size).mapToObj(Integer::toString).toArray(String[]::new); |
20492
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
91 |
BinaryOperator<String> concat = String::concat; |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
92 |
return genericData(stringsFunc, |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
93 |
(BinaryOperator<String>[]) new BinaryOperator[]{ |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
94 |
concat }); |
18555
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
95 |
} |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
96 |
|
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
97 |
private static <T, OPS> Object[][] genericData(Function<Integer, T> generateFunc, OPS[] ops) { |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
98 |
//test arrays which size is equals n-1, n, n+1, test random data |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
99 |
Object[][] data = new Object[ARRAY_SIZE_COLLECTION.length * 3 * ops.length][4]; |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
100 |
for(int n = 0; n < ARRAY_SIZE_COLLECTION.length; n++ ) { |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
101 |
for(int testValue = -1 ; testValue <= 1; testValue++) { |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
102 |
int array_size = ARRAY_SIZE_COLLECTION[n] + testValue; |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
103 |
for(int opsN = 0; opsN < ops.length; opsN++) { |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
104 |
int index = n * 3 * ops.length + (testValue + 1) * ops.length + opsN; |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
105 |
data[index][0] = generateFunc.apply(array_size); |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
106 |
data[index][1] = array_size / 3; |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
107 |
data[index][2] = 2 * array_size / 3; |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
108 |
data[index][3] = ops[opsN]; |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
109 |
} |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
110 |
} |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
111 |
} |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
112 |
return data; |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
113 |
} |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
114 |
|
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
115 |
@Test(dataProvider="intSet") |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
116 |
public void testParallelPrefixForInt(int[] data, int fromIndex, int toIndex, IntBinaryOperator op) { |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
117 |
int[] sequentialResult = data.clone(); |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
118 |
for (int index = fromIndex + 1; index < toIndex; index++) { |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
119 |
sequentialResult[index ] = op.applyAsInt(sequentialResult[index - 1], sequentialResult[index]); |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
120 |
} |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
121 |
|
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
122 |
int[] parallelResult = data.clone(); |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
123 |
Arrays.parallelPrefix(parallelResult, fromIndex, toIndex, op); |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
124 |
assertEquals(parallelResult, sequentialResult); |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
125 |
|
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
126 |
int[] parallelRangeResult = Arrays.copyOfRange(data, fromIndex, toIndex); |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
127 |
Arrays.parallelPrefix(parallelRangeResult, op); |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
128 |
assertEquals(parallelRangeResult, Arrays.copyOfRange(sequentialResult, fromIndex, toIndex)); |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
129 |
} |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
130 |
|
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
131 |
@Test(dataProvider="longSet") |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
132 |
public void testParallelPrefixForLong(long[] data, int fromIndex, int toIndex, LongBinaryOperator op) { |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
133 |
long[] sequentialResult = data.clone(); |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
134 |
for (int index = fromIndex + 1; index < toIndex; index++) { |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
135 |
sequentialResult[index ] = op.applyAsLong(sequentialResult[index - 1], sequentialResult[index]); |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
136 |
} |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
137 |
|
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
138 |
long[] parallelResult = data.clone(); |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
139 |
Arrays.parallelPrefix(parallelResult, fromIndex, toIndex, op); |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
140 |
assertEquals(parallelResult, sequentialResult); |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
141 |
|
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
142 |
long[] parallelRangeResult = Arrays.copyOfRange(data, fromIndex, toIndex); |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
143 |
Arrays.parallelPrefix(parallelRangeResult, op); |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
144 |
assertEquals(parallelRangeResult, Arrays.copyOfRange(sequentialResult, fromIndex, toIndex)); |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
145 |
} |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
146 |
|
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
147 |
@Test(dataProvider="doubleSet") |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
148 |
public void testParallelPrefixForDouble(double[] data, int fromIndex, int toIndex, DoubleBinaryOperator op) { |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
149 |
double[] sequentialResult = data.clone(); |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
150 |
for (int index = fromIndex + 1; index < toIndex; index++) { |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
151 |
sequentialResult[index ] = op.applyAsDouble(sequentialResult[index - 1], sequentialResult[index]); |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
152 |
} |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
153 |
|
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
154 |
double[] parallelResult = data.clone(); |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
155 |
Arrays.parallelPrefix(parallelResult, fromIndex, toIndex, op); |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
156 |
assertEquals(parallelResult, sequentialResult); |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
157 |
|
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
158 |
double[] parallelRangeResult = Arrays.copyOfRange(data, fromIndex, toIndex); |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
159 |
Arrays.parallelPrefix(parallelRangeResult, op); |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
160 |
assertEquals(parallelRangeResult, Arrays.copyOfRange(sequentialResult, fromIndex, toIndex)); |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
161 |
} |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
162 |
|
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
163 |
@Test(dataProvider="stringSet") |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
164 |
public void testParallelPrefixForStringr(String[] data , int fromIndex, int toIndex, BinaryOperator<String> op) { |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
165 |
String[] sequentialResult = data.clone(); |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
166 |
for (int index = fromIndex + 1; index < toIndex; index++) { |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
167 |
sequentialResult[index ] = op.apply(sequentialResult[index - 1], sequentialResult[index]); |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
168 |
} |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
169 |
|
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
170 |
String[] parallelResult = data.clone(); |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
171 |
Arrays.parallelPrefix(parallelResult, fromIndex, toIndex, op); |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
172 |
assertEquals(parallelResult, sequentialResult); |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
173 |
|
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
174 |
String[] parallelRangeResult = Arrays.copyOfRange(data, fromIndex, toIndex); |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
175 |
Arrays.parallelPrefix(parallelRangeResult, op); |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
176 |
assertEquals(parallelRangeResult, Arrays.copyOfRange(sequentialResult, fromIndex, toIndex)); |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
177 |
} |
20492
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
178 |
|
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
179 |
@Test |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
180 |
public void testNPEs() { |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
181 |
// null array |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
182 |
assertThrows( () -> Arrays.parallelPrefix((int[]) null, Integer::max), |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
183 |
NullPointerException.class, "should throw NPE"); |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
184 |
assertThrows( () -> Arrays.parallelPrefix((long []) null, Long::max), |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
185 |
NullPointerException.class, "should throw NPE"); |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
186 |
assertThrows( () -> Arrays.parallelPrefix((double []) null, Double::max), |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
187 |
NullPointerException.class, "should throw NPE"); |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
188 |
assertThrows( () -> Arrays.parallelPrefix((String []) null, String::concat), |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
189 |
NullPointerException.class, "should throw NPE"); |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
190 |
|
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
191 |
// null array w/ range |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
192 |
assertThrows( () -> Arrays.parallelPrefix((int[]) null, 0, 0, Integer::max), |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
193 |
NullPointerException.class, "should throw NPE"); |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
194 |
assertThrows( () -> Arrays.parallelPrefix((long []) null, 0, 0, Long::max), |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
195 |
NullPointerException.class, "should throw NPE"); |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
196 |
assertThrows( () -> Arrays.parallelPrefix((double []) null, 0, 0, Double::max), |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
197 |
NullPointerException.class, "should throw NPE"); |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
198 |
assertThrows( () -> Arrays.parallelPrefix((String []) null, 0, 0, String::concat), |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
199 |
NullPointerException.class, "should throw NPE"); |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
200 |
|
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
201 |
// null op |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
202 |
assertThrows( () -> Arrays.parallelPrefix(new int[] {}, null), |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
203 |
NullPointerException.class, "should throw NPE"); |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
204 |
assertThrows( () -> Arrays.parallelPrefix(new long[] {}, null), |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
205 |
NullPointerException.class, "should throw NPE"); |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
206 |
assertThrows( () -> Arrays.parallelPrefix(new double[] {}, null), |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
207 |
NullPointerException.class, "should throw NPE"); |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
208 |
assertThrows( () -> Arrays.parallelPrefix(new String[] {}, null), |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
209 |
NullPointerException.class, "should throw NPE"); |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
210 |
|
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
211 |
// null op w/ range |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
212 |
assertThrows( () -> Arrays.parallelPrefix(new int[] {}, 0, 0, null), |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
213 |
NullPointerException.class, "should throw NPE"); |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
214 |
assertThrows( () -> Arrays.parallelPrefix(new long[] {}, 0, 0, null), |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
215 |
NullPointerException.class, "should throw NPE"); |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
216 |
assertThrows( () -> Arrays.parallelPrefix(new double[] {}, 0, 0, null), |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
217 |
NullPointerException.class, "should throw NPE"); |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
218 |
assertThrows( () -> Arrays.parallelPrefix(new String[] {}, 0, 0, null), |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
219 |
NullPointerException.class, "should throw NPE"); |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
220 |
} |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
221 |
|
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
222 |
@Test |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
223 |
public void testIAEs() { |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
224 |
assertThrows( () -> Arrays.parallelPrefix(new int[] {}, 1, 0, Integer::max), |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
225 |
IllegalArgumentException.class, "should throw IAE"); |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
226 |
assertThrows( () -> Arrays.parallelPrefix(new long[] {}, 1, 0, Long::max), |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
227 |
IllegalArgumentException.class, "should throw IAE"); |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
228 |
assertThrows( () -> Arrays.parallelPrefix(new double[] {}, 1, 0, Double::max), |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
229 |
IllegalArgumentException.class, "should throw IAE"); |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
230 |
assertThrows( () -> Arrays.parallelPrefix(new String[] {}, 1, 0, String::concat), |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
231 |
IllegalArgumentException.class, "should throw IAE"); |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
232 |
} |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
233 |
|
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
234 |
@Test |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
235 |
public void testAIOBEs() { |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
236 |
// bad "fromIndex" |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
237 |
assertThrows( () -> Arrays.parallelPrefix(new int[] {}, -1, 0, Integer::max), |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
238 |
ArrayIndexOutOfBoundsException.class, "should throw AIOBE"); |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
239 |
assertThrows( () -> Arrays.parallelPrefix(new long[] {}, -1, 0, Long::max), |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
240 |
ArrayIndexOutOfBoundsException.class, "should throw AIOBE"); |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
241 |
assertThrows( () -> Arrays.parallelPrefix(new double[] {}, -1, 0, Double::max), |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
242 |
ArrayIndexOutOfBoundsException.class, "should throw AIOBE"); |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
243 |
assertThrows( () -> Arrays.parallelPrefix(new String[] {}, -1, 0, String::concat), |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
244 |
ArrayIndexOutOfBoundsException.class, "should throw AIOBE"); |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
245 |
|
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
246 |
// bad "toIndex" |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
247 |
assertThrows( () -> Arrays.parallelPrefix(new int[] {}, 0, 1, Integer::max), |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
248 |
ArrayIndexOutOfBoundsException.class, "should throw AIOBE"); |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
249 |
assertThrows( () -> Arrays.parallelPrefix(new long[] {}, 0, 1, Long::max), |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
250 |
ArrayIndexOutOfBoundsException.class, "should throw AIOBE"); |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
251 |
assertThrows( () -> Arrays.parallelPrefix(new double[] {}, 0, 1, Double::max), |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
252 |
ArrayIndexOutOfBoundsException.class, "should throw AIOBE"); |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
253 |
assertThrows( () -> Arrays.parallelPrefix(new String[] {}, 0, 1, String::concat), |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
254 |
ArrayIndexOutOfBoundsException.class, "should throw AIOBE"); |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
255 |
} |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
256 |
|
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
257 |
// "library" code |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
258 |
|
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
259 |
public interface Thrower<T extends Throwable> { |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
260 |
|
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
261 |
public void run() throws T; |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
262 |
} |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
263 |
|
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
264 |
|
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
265 |
public static <T extends Throwable> void assertThrows(Thrower<T> thrower, Class<T> throwable) { |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
266 |
assertThrows(thrower, throwable, null); |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
267 |
} |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
268 |
|
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
269 |
public static <T extends Throwable> void assertThrows(Thrower<T> thrower, Class<T> throwable, String message) { |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
270 |
Throwable thrown; |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
271 |
try { |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
272 |
thrower.run(); |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
273 |
thrown = null; |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
274 |
} catch (Throwable caught) { |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
275 |
thrown = caught; |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
276 |
} |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
277 |
|
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
278 |
assertInstance(thrown, throwable, |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
279 |
((null != message) ? message : "") + |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
280 |
" Failed to throw " + throwable.getCanonicalName()); |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
281 |
} |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
282 |
|
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
283 |
public static <T extends Throwable> void assertThrows(Class<T> throwable, String message, Thrower<T>... throwers) { |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
284 |
for(Thrower<T> thrower : throwers) { |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
285 |
assertThrows(thrower, throwable, message); |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
286 |
} |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
287 |
} |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
288 |
|
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
289 |
public static void assertInstance(Object actual, Class<?> expected) { |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
290 |
assertInstance(expected.isInstance(actual), null); |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
291 |
} |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
292 |
|
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
293 |
public static void assertInstance(Object actual, Class<?> expected, String message) { |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
294 |
assertTrue(expected.isInstance(actual), message); |
11418b1f61ff
8025067: Unconditionally throw NPE if null op provided to Arrays.parallelPrefix
mduigou
parents:
18555
diff
changeset
|
295 |
} |
18555
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
296 |
} |
d69e2a644e38
8012647: Add Arrays.parallelPrefix (prefix sum, scan, cumulative sum)
chegar
parents:
diff
changeset
|
297 |