1 /*
2 * Copyright (c) 2013, 2018, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
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 package com.oracle.java.testlibrary;
25
26 import static com.oracle.java.testlibrary.Asserts.assertTrue;
27
28 import java.io.BufferedReader;
29 import java.io.File;
30 import java.io.FileReader;
31 import java.io.IOException;
32 import java.net.InetAddress;
33 import java.net.ServerSocket;
34 import java.net.UnknownHostException;
35 import java.util.ArrayList;
36 import java.util.List;
37 import java.util.Arrays;
38 import java.util.Collections;
39 import java.util.regex.Pattern;
40 import java.util.regex.Matcher;
41 import java.lang.reflect.Field;
42 import sun.misc.Unsafe;
43
44 /**
45 * Common library for various test helper functions.
46 */
47 public final class Utils {
48
49 /**
50 * Returns the sequence used by operating system to separate lines.
51 */
52 public static final String NEW_LINE = System.getProperty("line.separator");
53
54 /**
55 * Returns the value of 'test.vm.opts'system property.
56 */
57 public static final String VM_OPTIONS = System.getProperty("test.vm.opts", "").trim();
58
59 /**
60 * Returns the value of 'test.java.opts'system property.
353 }
354 private static final char[] hexArray = new char[]{'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F'};
355
356 /**
357 * Returns hex view of byte array
358 *
359 * @param bytes byte array to process
360 * @return Space separated hexadecimal string representation of bytes
361 */
362
363 public static String toHexString(byte[] bytes) {
364 char[] hexView = new char[bytes.length * 3];
365 int i = 0;
366 for (byte b : bytes) {
367 hexView[i++] = hexArray[(b >> 4) & 0x0F];
368 hexView[i++] = hexArray[b & 0x0F];
369 hexView[i++] = ' ';
370 }
371 return new String(hexView);
372 }
373 }
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1 /*
2 * Copyright (c) 2013, 2019, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
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 package com.oracle.java.testlibrary;
25
26 import static com.oracle.java.testlibrary.Asserts.assertTrue;
27
28 import java.io.BufferedReader;
29 import java.io.File;
30 import java.io.FileReader;
31 import java.io.IOException;
32 import java.net.InetAddress;
33 import java.net.ServerSocket;
34 import java.net.UnknownHostException;
35 import java.util.ArrayList;
36 import java.util.List;
37 import java.util.Arrays;
38 import java.util.Collections;
39 import java.util.regex.Pattern;
40 import java.util.regex.Matcher;
41 import java.util.function.BooleanSupplier;
42 import java.util.function.Function;
43 import java.lang.reflect.Field;
44 import sun.misc.Unsafe;
45
46 /**
47 * Common library for various test helper functions.
48 */
49 public final class Utils {
50
51 /**
52 * Returns the sequence used by operating system to separate lines.
53 */
54 public static final String NEW_LINE = System.getProperty("line.separator");
55
56 /**
57 * Returns the value of 'test.vm.opts'system property.
58 */
59 public static final String VM_OPTIONS = System.getProperty("test.vm.opts", "").trim();
60
61 /**
62 * Returns the value of 'test.java.opts'system property.
355 }
356 private static final char[] hexArray = new char[]{'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F'};
357
358 /**
359 * Returns hex view of byte array
360 *
361 * @param bytes byte array to process
362 * @return Space separated hexadecimal string representation of bytes
363 */
364
365 public static String toHexString(byte[] bytes) {
366 char[] hexView = new char[bytes.length * 3];
367 int i = 0;
368 for (byte b : bytes) {
369 hexView[i++] = hexArray[(b >> 4) & 0x0F];
370 hexView[i++] = hexArray[b & 0x0F];
371 hexView[i++] = ' ';
372 }
373 return new String(hexView);
374 }
375
376 /**
377 * Wait for condition to be true
378 *
379 * @param condition, a condition to wait for
380 */
381 public static final void waitForCondition(BooleanSupplier condition) {
382 waitForCondition(condition, -1L, 100L);
383 }
384
385 /**
386 * Wait until timeout for condition to be true
387 *
388 * @param condition, a condition to wait for
389 * @param timeout a time in milliseconds to wait for condition to be true
390 * specifying -1 will wait forever
391 * @return condition value, to determine if wait was successful
392 */
393 public static final boolean waitForCondition(BooleanSupplier condition,
394 long timeout) {
395 return waitForCondition(condition, timeout, 100L);
396 }
397
398 /**
399 * Wait until timeout for condition to be true for specified time
400 *
401 * @param condition, a condition to wait for
402 * @param timeout a time in milliseconds to wait for condition to be true,
403 * specifying -1 will wait forever
404 * @param sleepTime a time to sleep value in milliseconds
405 * @return condition value, to determine if wait was successful
406 */
407 public static final boolean waitForCondition(BooleanSupplier condition,
408 long timeout, long sleepTime) {
409 long startTime = System.currentTimeMillis();
410 while (!(condition.getAsBoolean() || (timeout != -1L
411 && ((System.currentTimeMillis() - startTime) > timeout)))) {
412 try {
413 Thread.sleep(sleepTime);
414 } catch (InterruptedException e) {
415 Thread.currentThread().interrupt();
416 throw new Error(e);
417 }
418 }
419 return condition.getAsBoolean();
420 }
421 }
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