7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 /* @test
25 * @bug 5057341 6363898
26 * @summary Basic tests for TimeUnit
27 * @author Martin Buchholz
28 */
29
30 import static java.util.concurrent.TimeUnit.DAYS;
31 import static java.util.concurrent.TimeUnit.HOURS;
32 import static java.util.concurrent.TimeUnit.MICROSECONDS;
33 import static java.util.concurrent.TimeUnit.MILLISECONDS;
34 import static java.util.concurrent.TimeUnit.MINUTES;
35 import static java.util.concurrent.TimeUnit.NANOSECONDS;
36 import static java.util.concurrent.TimeUnit.SECONDS;
37
38 import java.io.ByteArrayInputStream;
39 import java.io.ByteArrayOutputStream;
40 import java.io.IOException;
41 import java.io.InputStream;
42 import java.io.ObjectOutputStream;
43 import java.io.ObjectInputStream;
44 import java.util.Arrays;
45 import java.util.concurrent.TimeUnit;
46
47 public class Basic {
48 private static void realMain(String[] args) throws Throwable {
49
50 for (TimeUnit u : TimeUnit.values()) {
51 System.out.println(u);
52 check(u instanceof TimeUnit);
53 equal(42L, u.convert(42, u));
54 for (TimeUnit v : TimeUnit.values())
55 if (u.convert(42, v) >= 42)
56 equal(42L, v.convert(u.convert(42, v), u));
57 check(readObject(serializedForm(u)) == u);
58 }
59
60 equal( 24L, HOURS.convert (1, DAYS));
61 equal( 60L, MINUTES.convert (1, HOURS));
62 equal( 60L, SECONDS.convert (1, MINUTES));
63 equal(1000L, MILLISECONDS.convert(1, SECONDS));
64 equal(1000L, MICROSECONDS.convert(1, MILLISECONDS));
65 equal(1000L, NANOSECONDS.convert (1, MICROSECONDS));
66
67 equal( 24L, DAYS.toHours(1));
68 equal( 60L, HOURS.toMinutes(1));
69 equal( 60L, MINUTES.toSeconds(1));
70 equal(1000L, SECONDS.toMillis(1));
71 equal(1000L, MILLISECONDS.toMicros(1));
72 equal(1000L, MICROSECONDS.toNanos(1));
73
74 long t0 = System.nanoTime();
75 MILLISECONDS.sleep(3); /* See windows bug 6313903, might not sleep */
76 long elapsedMillis = (System.nanoTime() - t0)/(1000L * 1000L);
77 System.out.printf("elapsed=%d%n", elapsedMillis);
78 check(elapsedMillis >= 0);
79 /* Might not sleep on windows: check(elapsedMillis >= 3); */
80 check(elapsedMillis < 1000);
81
82 //----------------------------------------------------------------
83 // Tests for serialized form compatibility with previous release
84 //----------------------------------------------------------------
85 byte[] serializedForm = /* Generated using tiger */
86 {-84, -19, 0, 5, '~', 'r', 0, 29, 'j', 'a', 'v', 'a', '.',
87 'u', 't', 'i', 'l', '.', 'c', 'o', 'n', 'c', 'u', 'r', 'r', 'e',
88 'n', 't', '.', 'T', 'i', 'm', 'e', 'U', 'n', 'i', 't', 0, 0,
89 0, 0, 0, 0, 0, 0, 18, 0, 0, 'x', 'r', 0, 14,
90 'j', 'a', 'v', 'a', '.', 'l', 'a', 'n', 'g', '.', 'E', 'n', 'u',
91 'm', 0, 0, 0, 0, 0, 0, 0, 0, 18, 0, 0, 'x',
92 'p', 't', 0, 7, 'S', 'E', 'C', 'O', 'N', 'D', 'S', };
93 check(Arrays.equals(serializedForm(SECONDS), serializedForm));
94 }
95
96 //--------------------- Infrastructure ---------------------------
97 static volatile int passed = 0, failed = 0;
98 static void pass() {passed++;}
99 static void fail() {failed++; Thread.dumpStack();}
100 static void fail(String msg) {System.out.println(msg); fail();}
101 static void unexpected(Throwable t) {failed++; t.printStackTrace();}
102 static void check(boolean cond) {if (cond) pass(); else fail();}
103 static void equal(Object x, Object y) {
104 if (x == null ? y == null : x.equals(y)) pass();
105 else fail(x + " not equal to " + y);}
|
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 /* @test
25 * @bug 5057341 6363898
26 * @summary Basic tests for TimeUnit
27 * @library /test/lib
28 * @author Martin Buchholz
29 */
30
31 import static java.util.concurrent.TimeUnit.DAYS;
32 import static java.util.concurrent.TimeUnit.HOURS;
33 import static java.util.concurrent.TimeUnit.MICROSECONDS;
34 import static java.util.concurrent.TimeUnit.MILLISECONDS;
35 import static java.util.concurrent.TimeUnit.MINUTES;
36 import static java.util.concurrent.TimeUnit.NANOSECONDS;
37 import static java.util.concurrent.TimeUnit.SECONDS;
38
39 import java.io.ByteArrayInputStream;
40 import java.io.ByteArrayOutputStream;
41 import java.io.IOException;
42 import java.io.InputStream;
43 import java.util.List;
44 import java.io.ObjectOutputStream;
45 import java.io.ObjectInputStream;
46 import java.util.Arrays;
47 import java.util.concurrent.CompletableFuture;
48 import java.util.concurrent.ThreadLocalRandom;
49 import java.util.concurrent.TimeUnit;
50 import java.util.stream.Collectors;
51 import java.util.stream.IntStream;
52 import jdk.test.lib.Utils;
53
54 public class Basic {
55 static final long LONG_DELAY_MS = Utils.adjustTimeout(10_000);
56
57 private static void realMain(String[] args) throws Throwable {
58
59 for (TimeUnit u : TimeUnit.values()) {
60 System.out.println(u);
61 check(u instanceof TimeUnit);
62 equal(42L, u.convert(42, u));
63 for (TimeUnit v : TimeUnit.values())
64 if (u.convert(42, v) >= 42)
65 equal(42L, v.convert(u.convert(42, v), u));
66 check(readObject(serializedForm(u)) == u);
67 }
68
69 equal( 24L, HOURS.convert (1, DAYS));
70 equal( 60L, MINUTES.convert (1, HOURS));
71 equal( 60L, SECONDS.convert (1, MINUTES));
72 equal(1000L, MILLISECONDS.convert(1, SECONDS));
73 equal(1000L, MICROSECONDS.convert(1, MILLISECONDS));
74 equal(1000L, NANOSECONDS.convert (1, MICROSECONDS));
75
76 equal( 24L, DAYS.toHours(1));
77 equal( 60L, HOURS.toMinutes(1));
78 equal( 60L, MINUTES.toSeconds(1));
79 equal(1000L, SECONDS.toMillis(1));
80 equal(1000L, MILLISECONDS.toMicros(1));
81 equal(1000L, MICROSECONDS.toNanos(1));
82
83 //----------------------------------------------------------------
84 // TimeUnit.sleep sleeps for at least the specified time.
85 // TimeUnit.sleep(x, unit) for x <= 0 does not sleep at all.
86 //----------------------------------------------------------------
87 ThreadLocalRandom rnd = ThreadLocalRandom.current();
88 int maxTimeoutMillis = rnd.nextInt(1, 12);
89 List<CompletableFuture<?>> workers =
90 IntStream.range(-1, maxTimeoutMillis + 1)
91 .mapToObj(timeoutMillis -> (Runnable) () -> {
92 try {
93 long startTime = System.nanoTime();
94 MILLISECONDS.sleep(timeoutMillis);
95 long elapsedNanos = System.nanoTime() - startTime;
96 long timeoutNanos = MILLISECONDS.toNanos(timeoutMillis);
97 check(elapsedNanos >= timeoutNanos);
98 } catch (InterruptedException fail) {
99 throw new AssertionError(fail);
100 }})
101 .map(CompletableFuture::runAsync)
102 .collect(Collectors.toList());
103
104 workers.forEach(CompletableFuture<?>::join);
105
106 //----------------------------------------------------------------
107 // Tests for serialized form compatibility with previous release
108 //----------------------------------------------------------------
109 byte[] serializedForm = /* Generated using JDK 5 */
110 {-84, -19, 0, 5, '~', 'r', 0, 29, 'j', 'a', 'v', 'a', '.',
111 'u', 't', 'i', 'l', '.', 'c', 'o', 'n', 'c', 'u', 'r', 'r', 'e',
112 'n', 't', '.', 'T', 'i', 'm', 'e', 'U', 'n', 'i', 't', 0, 0,
113 0, 0, 0, 0, 0, 0, 18, 0, 0, 'x', 'r', 0, 14,
114 'j', 'a', 'v', 'a', '.', 'l', 'a', 'n', 'g', '.', 'E', 'n', 'u',
115 'm', 0, 0, 0, 0, 0, 0, 0, 0, 18, 0, 0, 'x',
116 'p', 't', 0, 7, 'S', 'E', 'C', 'O', 'N', 'D', 'S', };
117 check(Arrays.equals(serializedForm(SECONDS), serializedForm));
118 }
119
120 //--------------------- Infrastructure ---------------------------
121 static volatile int passed = 0, failed = 0;
122 static void pass() {passed++;}
123 static void fail() {failed++; Thread.dumpStack();}
124 static void fail(String msg) {System.out.println(msg); fail();}
125 static void unexpected(Throwable t) {failed++; t.printStackTrace();}
126 static void check(boolean cond) {if (cond) pass(); else fail();}
127 static void equal(Object x, Object y) {
128 if (x == null ? y == null : x.equals(y)) pass();
129 else fail(x + " not equal to " + y);}
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