1 |
/* |
2 |
* Written by Doug Lea and Martin Buchholz with assistance from |
3 |
* members of JCP JSR-166 Expert Group and released to the public |
4 |
* domain, as explained at |
5 |
* http://creativecommons.org/publicdomain/zero/1.0/ |
6 |
*/ |
7 |
|
8 |
import java.util.concurrent.LinkedBlockingDeque; |
9 |
import java.util.Spliterator; |
10 |
|
11 |
import junit.framework.Test; |
12 |
import junit.framework.TestSuite; |
13 |
|
14 |
public class LinkedBlockingDeque8Test extends JSR166TestCase { |
15 |
public static void main(String[] args) { |
16 |
main(suite(), args); |
17 |
} |
18 |
|
19 |
public static Test suite() { |
20 |
return newTestSuite(LinkedBlockingDeque8Test.class); |
21 |
} |
22 |
|
23 |
/** |
24 |
* Spliterator.getComparator always throws IllegalStateException |
25 |
*/ |
26 |
public void testSpliterator_getComparator() { |
27 |
assertThrows(IllegalStateException.class, |
28 |
() -> new LinkedBlockingDeque().spliterator().getComparator()); |
29 |
} |
30 |
|
31 |
/** |
32 |
* Spliterator characteristics are as advertised |
33 |
*/ |
34 |
public void testSpliterator_characteristics() { |
35 |
LinkedBlockingDeque q = new LinkedBlockingDeque(); |
36 |
Spliterator s = q.spliterator(); |
37 |
int characteristics = s.characteristics(); |
38 |
int required = Spliterator.CONCURRENT |
39 |
| Spliterator.NONNULL |
40 |
| Spliterator.ORDERED; |
41 |
assertEquals(required, characteristics & required); |
42 |
assertTrue(s.hasCharacteristics(required)); |
43 |
assertEquals(0, characteristics |
44 |
& (Spliterator.DISTINCT |
45 |
| Spliterator.IMMUTABLE |
46 |
| Spliterator.SORTED)); |
47 |
} |
48 |
|
49 |
} |