-
Notifications
You must be signed in to change notification settings - Fork 518
/
CliCheck.java
683 lines (559 loc) · 20.5 KB
/
CliCheck.java
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
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
/**
* Copyright 2013 Alexey Ragozin
*
* Licensed 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.gridkit.jvmtool;
import java.io.File;
import java.lang.management.ManagementFactory;
import javax.management.InstanceAlreadyExistsException;
import javax.management.MBeanRegistrationException;
import javax.management.MalformedObjectNameException;
import javax.management.NotCompliantMBeanException;
import javax.management.ObjectName;
import org.junit.Assert;
import org.junit.Assume;
import org.junit.FixMethodOrder;
import org.junit.Ignore;
import org.junit.Rule;
import org.junit.Test;
import org.junit.runners.MethodSorters;
/**
* JUnit command runner.
*
* @author Alexey Ragozin (alexey.ragozin@gmail.com)
*/
@FixMethodOrder(MethodSorters.NAME_ASCENDING)
public class CliCheck {
private static final boolean JAVA_6 = System.getProperty("java.version").startsWith("1.6");
private static final boolean JAVA_7 = System.getProperty("java.version").startsWith("1.7");
private static String PID;
static {
PID = ManagementFactory.getRuntimeMXBean().getName();
PID = PID.substring(0, PID.indexOf('@'));
}
@Rule
public CliCheckRule rule = new CliCheckRule();
@Rule
public ConsoleRule stdOut = ConsoleRule.out();
@Rule
public ConsoleRule stdErr = ConsoleRule.err();
private String call1arg1;
private String call2arg1;
private String call2arg2;
private String[] call3args;
{
try {
ObjectName name = new ObjectName("test:bean=TestBean");
DummyMBean bean = new DummyMBean() {
@Override
public void callStringArrayArg(String[] args) {
call3args = args;
}
@Override
public void callSingleStringArg(String arg) {
call1arg1 = arg;
}
@Override
public void callDoubleStringArg(String arg1, String arg2) {
call2arg1 = arg1;
call2arg2 = arg2;
}
};
try {
ManagementFactory.getPlatformMBeanServer().unregisterMBean(name);
} catch (Exception e) {
// ignore
}
ManagementFactory.getPlatformMBeanServer().registerMBean(bean, name);
} catch (MalformedObjectNameException e) {
throw new RuntimeException(e);
} catch (InstanceAlreadyExistsException e) {
throw new RuntimeException(e);
} catch (MBeanRegistrationException e) {
} catch (NotCompliantMBeanException e) {
throw new RuntimeException(e);
}
}
@Test
public void help() {
exec("--help");
}
@Test
public void list_commands() {
exec("--commands");
}
@Test
public void jps() {
exec("jps");
// some PID something expected
stdOut.lineEx("[0-9]+\\s.*");
}
static String KEY = String.valueOf(System.currentTimeMillis());
static {
System.setProperty("my.prop", KEY);
}
@Test
public void jps_filter1_by_prop() {
exec("jps", "-fp", "my.*=" + KEY);
// some PID something expected
stdOut.lineEx("[0-9]+\\s.*junit.*");
}
@Test
public void jps_filter2_by_desc() {
exec("jps", "-fd", "*junit*");
// some PID something expected
stdOut.lineEx("[0-9]+\\s.*junit.*");
}
@Test
public void jps_print() {
exec("jps", "-pd", "PID", "MAIN", "Duser.dir");
}
@Test
public void jps_print_flags() {
exec("jps", "-pd", "PID", "MAIN", "XMaxHeapSize", "XBackgroundCompilation");
}
@Test @CheckDuration(10)
public void ttop_self() {
exec("ttop", "-p", PID, "-X");
}
@Test @CheckDuration(10)
public void ttop_top_N_cpu() {
exec("ttop", "-p", PID, "-o", "CPU", "-n", "10");
}
@Test @CheckDuration(10)
public void ttop_top_N_alloc() {
exec("ttop", "-p", PID, "-o", "ALLOC", "-n", "10");
}
@Test @CheckDuration(10)
public void ttop_top_N_filtered() {
exec("ttop", "-p", PID, "-f", "*RMI*", "-o", "CPU", "-n", "10");
}
@Test @CheckDuration(10) @Ignore
public void gc_self() {
exec("gc", "-p", PID);
}
@Test
public void hh_self() {
exec("hh", "-p", PID);
}
@Test
public void hh_dead_N_self() {
exec("hh", "-p", PID, "--dead", "-n", "20");
}
@Test
public void hh_dead_young_N_self() {
exec("hh", "-p", PID, "--dead-young", "-n", "20", "-d", "10s");
}
@Test
public void hh_young_N_self() {
exec("hh", "-p", PID, "--young", "-n", "20", "-d", "1s");
stdOut.skip();
stdOut.line("Garbage histogram for last 1s");
stdOut.skip();
stdOut.lineStartsEx("[ ]*20:");
stdOut.lineStartsEx("[ ]*Total");
}
@Test
public void mx_info() {
exec("mx", "-p", PID, "--info", "--bean", "*:type=HotSpotDiagnostic");
stdOut.line("com.sun.management:type=HotSpotDiagnostic");
stdOut.line("sun.management.HotSpotDiagnostic");
stdOut.line(" - Information on the management interface of the MBean");
stdOut.line(" (A) DiagnosticOptions : CompositeData[]");
stdOut.line(" (O) dumpHeap(String p0, boolean p1) : void");
stdOut.line(" (O) getVMOption(String p0) : CompositeData");
stdOut.line(" (O) setVMOption(String p0, String p1) : void");
}
@Test
public void mx_info_all() {
exec("mx", "-p", PID, "--info", "-all", "--bean", "*:type=MemoryPool,*");
}
@Test
public void mx_get_diagnostic_ops() {
exec("mx", "-p", PID, "--get", "--bean", "*:type=HotSpotDiagnostic", "-f", "DiagnosticOptions");
}
@Test
public void mx_get_diagnostic_ops_csv() {
exec("mx", "-p", PID, "--get", "--csv", "--bean", "*:type=HotSpotDiagnostic", "-f", "DiagnosticOptions");
}
@Test
public void mx_get_system_properties_csv() {
exec("mx", "-p", PID, "--get", "--csv", "--bean", "*:type=Runtime", "-f", "SystemProperties");
}
@Test
public void mx_get_usage_threshold() {
exec("mx", "-p", PID, "--get", "-all", "--bean", "*:type=MemoryPool,name=PS*", "-f", "CollectionUsageThreshold");
}
@Test
public void mx_get_memory_pool_usage_csv() {
exec("mx", "-p", PID, "--get", "--csv", "-all", "--bean", "*:type=MemoryPool,name=PS*", "-f", "Usage");
}
@Test
public void mx_get_memory_pool_usage_peakusage() {
exec("mx", "-p", PID, "--get", "-all", "--bean", "*:type=MemoryPool,name=PS*", "-f", "Usage", "-f", "PeakUsage");
}
@Test
public void mx_get_memory_pool_usage_peakusage_csv() {
exec("mx", "-p", PID, "--get", "--csv", "-all", "--bean", "*:type=MemoryPool,name=PS*", "-f", "Usage", "-f", "PeakUsage");
stdOut.line("committed,init,max,used");
}
@Test
public void mx_get_memory_pool_usage_peakusage_csv_add_bean_name() {
exec("mx", "-p", PID, "--get", "--csv", "-all", "--bean", "*:type=MemoryPool,name=PS*", "-f", "Usage,PeakUsage", "--add-mbean-name");
stdOut.line("MBean,Attribute,committed,init,max,used");
}
@Test
public void mx_get_memory_pool_usage_peakusage_csv_with_projection() {
exec("mx", "-p", PID, "--get", "--csv", "-all", "--bean", "*:type=MemoryPool,name=PS*", "-f", "Usage,PeakUsage", "--col-list", "Attribute,-,init,used,committed");
stdOut.line("Attribute,-,init,used,committed");
stdOut.lineEx("(Usage|PeakUsage),,\\d+,\\d+,\\d+");
}
@Test
public void mx_set_threading_alloc() {
exec("mx", "-p", PID, "--set", "--bean", "*:type=Threading", "-f", "ThreadAllocatedMemoryEnabled", "-v", "true");
}
@Test
public void mx_set_usage_threshold() {
exec("mx", "-p", PID, "--set", "-all", "--bean", "*:type=MemoryPool,name=PS*", "-f", "CollectionUsageThreshold", "-v", "1");
}
@Test
public void mx_get_thread_dump() {
exec("mx", "-p", PID, "--call", "--bean", "*:type=Threading", "-op", "dumpAllThreads", "-a", "true", "true");
}
@Test
public void mx_get_thread_dump_quiet_wide() {
exec("mx", "-p", PID, "--quiet", "--max-col-width", "80", "--call", "--bean", "*:type=Threading", "-op", "dumpAllThreads", "-a", "true", "true");
}
@Test
public void mx_get_resetPeakUsage_all() {
exec("mx", "-p", PID, "--call", "-all", "--bean", "*:type=MemoryPool,*", "-op", "resetPeakUsage");
}
@Test
public void mx_call_method1() {
exec("mx", "-p", PID, "--call", "--bean", "test:bean=TestBean", "-op", "callSingleStringArg", "-a", "testParam");
Assert.assertEquals("testParam", call1arg1);
}
@Test
public void mx_call_method1a() {
exec("mx", "-p", PID, "--call", "--bean", "test:bean=TestBean", "-op", "callSingleStringArg", "-a", "testParam1,testParam2", "-X");
Assert.assertEquals("testParam1,testParam2", call1arg1);
}
@Test
public void mx_call_method2() {
exec("mx", "-p", PID, "--call", "--bean", "test:bean=TestBean", "-op", "callDoubleStringArg", "-a", "testParam1", "testParam2");
Assert.assertEquals("testParam1", call2arg1);
Assert.assertEquals("testParam2", call2arg2);
}
@Test
public void mx_call_method2a() {
exec("mx", "-p", PID, "--call", "--bean", "test:bean=TestBean", "-op", "callDoubleStringArg", "-a", "testParam1", "a,b");
Assert.assertEquals("testParam1", call2arg1);
Assert.assertEquals("a,b", call2arg2);
}
@Test
public void mx_call_method3() {
exec("mx", "-p", PID, "--call", "--bean", "test:bean=TestBean", "-op", "callStringArrayArg", "-a", "testParam");
Assert.assertArrayEquals(new String[] {"testParam"}, call3args);
}
@Test
public void mx_call_method3a() {
exec("mx", "-p", PID, "--call", "--bean", "test:bean=TestBean", "-op", "callStringArrayArg", "-a", "testParam1,testParam2");
Assert.assertArrayEquals(new String[] {"testParam1", "testParam2"}, call3args);
}
@Test
public void mx_call_method3b() {
exec("mx", "-p", PID, "--call", "--bean", "test:bean=TestBean", "-op", "callStringArrayArg", "-a", "");
Assert.assertNull(call3args);
}
@Test
public void mx_info_ambiguous() {
fail("mx", "-p", PID, "--info", "--bean", "*:type=GarbageCollector,*");
stdErr.line("Ambiguous MBean selection. Use '-all' param for process all matched MBeans");
stdErr.lineStarts("java.lang:type=GarbageCollector,name=");
stdErr.lineStarts("java.lang:type=GarbageCollector,name=");
}
public void ensureTestStp() {
if (!new File("target/test.stp").isFile()) {
exec("stcap", "-p", PID, "-o", "target/test.stp");
stdOut.verify();
stdErr.verify();
}
}
public void ensureTestStp500() {
if (!new File("target/test500.stp").isFile()) {
exec("stcap", "-p", PID, "-l", "500", "-o", "target/test500.stp");
stdOut.verify();
stdErr.verify();
}
}
@Test
public void stcap() {
exec("stcap", "-p", PID, "-o", "target/test.stp");
}
@Test
public void stcap_filter() {
exec("stcap", "-p", PID, "-m", "javax.*", "-o", "target/test_javax.stp");
}
@Test
public void stcap_rotate() {
exec("stcap", "-p", PID, "-r", "5000", "-o", "target/test.stp");
}
@Test
public void stcap_rotate_limit() {
exec("stcap", "-p", PID, "-l", "50000", "-r", "5000", "-o", "target/test.stp");
}
@Test
public void stcpy() {
exec("stcpy", "-X", "-i", "target/*.stp", "-o", "target/test.all-stp");
}
@Test
public void stcpy_abs() {
exec("stcpy", "-X", "-i", new File("target").getAbsolutePath().replace('\\', '/') + "/*.stp", "-o", "target/test.all-stp");
}
@Test
public void stcpy_mask() {
exec("stcpy", "-X", "--mask", "org.gridkit:com.acme", "-i", "target/test.all-stp", "-o", "target/test-masked.all-stp");
}
@Test
public void stcpy_tt() {
exec("stcpy", "-X", "--mask", "org.gridkit:com.acme", "-i", "target/test.all-stp", "-tt", "javax.management.StandardMBean.invoke/+**", "-o", "target/test-trimmed.all-stp");
}
@Test
public void stcpy_tr() {
exec("stcpy", "-X", "-tr", "00:05-00:10", "-i", "target/test.all-stp", "-tt", "javax.management.StandardMBean.invoke/+**", "-o", "target/test-time-rnaged.all-stp");
}
@Test
public void ssa_print() {
ensureTestStp500();
exec("ssa", "--print", "-f", "target/test500.stp");
}
@Test
public void ssa_print_partial_file_list() {
ensureTestStp500();
exec("ssa", "--print", "-f", "target/test500.stp", "target/test.no-such-file");
}
@Test @Ignore
public void ssa_print_some() {
exec("ssa", "--print", "-f", "target/test-trimmed.all-stp");
}
@Test
public void ssa_print_fail() {
fail("ssa", "--print", "-f", "target/test.no-such-file", "-X");
}
@Test
public void ssa_print_trim() {
exec("ssa", "--print", "-tt", "javax.management.StandardMBean.invoke/+**", "-f", "target/test.stp");
}
@Test
public void ssa_print_thread_name() {
ensureTestStp500();
exec("ssa", "--print", "-tn", "RMI TCP Connection.*", "-f", "target/test500.stp");
}
@Test
public void ssa_print_time_range() {
exec("ssa", "--print", "-tr", "02:11-02:12", "-tn", "RMI TCP Connection.*", "-f", "target/test.stp");
}
@Test
public void ssa_histo() {
exec("ssa", "--histo", "-f", "target/test.stp", "-X");
}
@Test
public void ssa_histo_term_sort() {
exec("ssa", "--histo", "-f", "target/test.stp", "--by-term", "-X");
}
@Test
public void ssa_histo_term_sort2() {
exec("ssa", "--histo", "-f", "target/test.stp", "--sort", "TERM", "-X");
}
@Test
public void ssa_histo_occur_sort() {
exec("ssa", "--histo", "-f", "target/test.stp", "--sort", "OCCUR", "-X");
}
@Test
public void ssa_histo_freq_sort() {
exec("ssa", "--histo", "-f", "target/test.stp", "--sort", "FREQ", "-X");
}
@Test
public void ssa_histo_wild_card() {
exec("ssa", "--histo", "-f", "target/*.stp", "-X");
}
@Test
public void ssa_histo_with_classes() {
exec("ssa", "--histo", "-co", "-f", "target/test.stp", "-nc", "IO=java.net.SocketInputStream", "GridKit=org.gridkit", "-X");
}
@Test @Ignore
public void ssa_histo_masked() {
exec("ssa", "--histo", "-f", "target/test-masked.all-stp", "-X");
}
@Test @Ignore
public void ssa_histo2() {
exec("ssa", "--histo", "-f", "target/test_javax.stp", "-X");
}
@Test
public void ssa_histo_with_filter() {
exec("ssa", "--histo", "-tf", "javax.management.remote.rmi.RMIConnectionImpl.invoke", "-f", "target/test.stp");
}
@Test
public void ssa_histo_with_trim() {
exec("ssa", "--histo", "-tt", "javax.management.remote.rmi.RMIConnectionImpl.invoke/+**", "-f", "target/test.stp");
}
@Test
public void ssa_histo_with_trim2() {
exec("ssa", "--histo", "-tt", "javax.management.remote.rmi.RMIConnectionImpl.invoke", "-f", "target/test.stp");
}
@Test
public void ssa_histo_with_trim3() {
exec("ssa", "--histo", "-tf", "**!**.jdbc", "-tt", "org.hibernate", "-f", "../sjk-stacktrace/src/test/resources/jboss-10k.std");
}
@Test
public void ssa_flame() {
ensureTestStp();
exec("ssa", "--flame", "-f", "target/test.stp");
}
@Test
public void ssa_flame_with_trim() {
ensureTestStp();
exec("ssa", "--flame", "-tt", "javax.management.remote.rmi.RMIConnectionImpl.invoke", "-f", "target/test.stp");
}
@Test
public void ssa_flame_rainbow() {
ensureTestStp();
exec("ssa", "--flame", "-f", "target/test.stp");
}
@Test
public void ssa_categorize() {
exec("ssa", "--categorize", "-co", "-cf", "src/test/resources/sample-seam-jsf-profile.ctz", "-f", "../sjk-stacktrace/src/test/resources/jboss-10k.std");
}
@Test
public void ssa_categorize_nc() {
exec("ssa", "--categorize", "-nc", "JDBC=**.jdbc", "-f", "../sjk-stacktrace/src/test/resources/jboss-10k.std");
}
@Test
public void ssa_thread_info() {
ensureTestStp();
exec("ssa", "--thread-info", "-f", "target/test.stp", "-X");
stdOut.lineEx("Name\\s+Count\\s+On CPU\\s+Alloc\\s+RUNNABLE\\s+Native");
stdOut.skip();
stdOut.lineStarts("TestThread");
}
@Test
public void ssa_thread_info_2() {
ensureTestStp();
exec("ssa", "--thread-info", "-si", "NAME", "FREQ", "FREQ_HM", "GAP_CHM", "TSMIN", "TSMAX", "CPU", "SYS", "-f", "target/test.stp", "-X");
stdOut.lineEx("Name\\s+Freq[.]\\s+\\QFreq. (1/HM)\\E\\s+Gap CHM\\s+First time\\s+Last time\\s+On CPU\\s+System");
stdOut.skip();
stdOut.lineStarts("TestThread");
}
@Test
public void ssa_thread_info_3() {
ensureTestStp();
exec("ssa", "--thread-info", "-si", "NAME8", "ALLOC", "Sock=java.net.SocketInputStream.socketRead0", "-f", "target/test.stp", "-X");
stdOut.lineEx("Name\\s+Alloc\\s+Sock");
stdOut.skip();
stdOut.lineStarts("TestThre ");
}
@Test
public void ssa_thread_info_csv() {
ensureTestStp();
exec("ssa", "--thread-info", "-co", "-f", "target/test.stp", "-X");
stdOut.line("Name,Count,\"On CPU\",Alloc,RUNNABLE,Native");
stdOut.skip();
stdOut.lineStartsEx("TestThread,([^,^\\n]+),([^,^\\n]+),([^,^\\n]+),([^,^\\n]+),([^,^\\n]+)",
null, "\"0.0%\"", "\"0/s\"", "\"0.0%\"", "\"100.0%\"");
}
@Test
public void ssa_thread_info_csv_numeric() {
ensureTestStp();
exec("ssa", "--thread-info", "-co", "--numeric", "-f", "target/test.stp", "-X");
stdOut.line("Name,Count,\"On CPU\",Alloc,RUNNABLE,Native");
stdOut.skip();
stdOut.lineStartsEx("TestThread,([^,^\\n]+),([^,^\\n]+),([^,^\\n]+),([^,^\\n]+),([^,^\\n]+)",
null, "0", "0", "0", "1");
}
@Test
public void ssa_help() {
exec("ssa", "--ssa-help");
}
@Test
public void flame() {
ensureTestStp();
exec("flame", "-f", "target/test.stp", "-o", "target/flame.html");
}
@Test
public void dexp_help() {
exec("dexp", "--help");
}
@Test
public void dexp_tags() {
ensureTestStp();
exec("dexp", "--tags", "-f", "target/test.stp");
}
@Test @CheckDuration(5)
public void mprx() {
exec("mprx", "-p", PID, "-b", "34000");
}
@Test
public void vminfo_sysprops() {
exec("vminfo", "-p", PID, "--sysprops");
}
@Test
public void vminfo_agentprops() {
exec("vminfo", "-p", PID, "--agentprops");
}
@Test
public void vminfo_perf() {
exec("vminfo", "-p", PID, "--perf");
}
@Test
public void vminfo_flags() {
Assume.assumeTrue(!JAVA_6 && !JAVA_7);
exec("vminfo", "-p", PID, "--flags");
}
@Test
public void hs_hsmbean() {
exec("hs", "-p", PID, "--enable-hotspot-mbean", "-X");
}
private void exec(String... cmd) {
SJK sjk = new SJK();
sjk.suppressSystemExit();
StringBuilder sb = new StringBuilder();
sb.append("SJK");
for(String c: cmd) {
sb.append(' ').append(escape(c));
}
System.out.println(sb);
stdOut.line(sb.toString());
stdOut.verify();
Assert.assertTrue(sjk.start(cmd));
}
private void fail(String... cmd) {
SJK sjk = new SJK();
sjk.suppressSystemExit();
StringBuilder sb = new StringBuilder();
sb.append("SJK");
for(String c: cmd) {
sb.append(' ').append(escape(c));
}
System.out.println(sb);
Assert.assertFalse(sjk.start(cmd));
}
private Object escape(String c) {
if (c.split("\\s").length > 1) {
return '\"' + c + '\"';
}
else {
return c;
}
}
}