J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2004-2005 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 20 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 21 | * have any questions. |
| 22 | */ |
| 23 | |
| 24 | /* |
| 25 | * @test |
| 26 | * @bug 6204469 6273765 |
| 27 | * @summary Test various aspects of the Descriptor interface |
| 28 | * @author Eamonn McManus |
| 29 | * @run clean DescriptorTest |
| 30 | * @run build DescriptorTest |
| 31 | * @run main DescriptorTest |
| 32 | */ |
| 33 | |
| 34 | import java.io.*; |
| 35 | import java.lang.reflect.*; |
| 36 | import java.util.*; |
| 37 | import javax.management.*; |
| 38 | |
| 39 | public class DescriptorTest { |
| 40 | private static String failureMessage; |
| 41 | |
| 42 | // Warning: many tests here know the contents of these variables |
| 43 | // so if you change them you must change the tests |
| 44 | private static final String[] testFieldNames = { |
| 45 | "a", "C", "aa", "int", "nul", |
| 46 | }; |
| 47 | private static final Object[] testFieldValues = { |
| 48 | "b", "D", "bb", 5, null, |
| 49 | }; |
| 50 | private static final String[] testFieldStrings = { |
| 51 | "a=b", "C=D", "aa=bb", "int=(5)", "nul=", |
| 52 | }; |
| 53 | |
| 54 | public static void main(String[] args) throws Exception { |
| 55 | genericTests(ImmutableDescriptor.class); |
| 56 | genericTests(javax.management.modelmbean.DescriptorSupport.class); |
| 57 | if (failureMessage != null) |
| 58 | throw new Exception("TEST FAILED: " + failureMessage); |
| 59 | else |
| 60 | System.out.println("Test passed"); |
| 61 | } |
| 62 | |
| 63 | private static void genericTests(Class<? extends Descriptor> descrClass) { |
| 64 | System.out.println("--- generic tests for " + descrClass.getName() + |
| 65 | " ---"); |
| 66 | for (Case<Class<? extends Descriptor>, ?, ?> test : |
| 67 | genericDescriptorTests) |
| 68 | test.run(descrClass); |
| 69 | } |
| 70 | |
| 71 | /* |
| 72 | Testing has three parts. We take the input parameter, of type P, |
| 73 | and give it to the "prepare" method. That returns us a test |
| 74 | parameter, of type T. We give that to the "test" method. That |
| 75 | in turn returns us a check value, of type C. We give this to the |
| 76 | "check" method. If the "check" method returns null, the test passes. |
| 77 | If the "check" method returns a string, that string explains the |
| 78 | test failure. If any of the methods throws an exception, the |
| 79 | test fails. |
| 80 | */ |
| 81 | private static abstract class Case<P, T, C> { |
| 82 | Case(String name) { |
| 83 | this.name = name; |
| 84 | } |
| 85 | |
| 86 | void run(P p) { |
| 87 | System.out.println("test: " + name); |
| 88 | try { |
| 89 | T t = prepare(p); |
| 90 | C c = test(t); |
| 91 | String failed = check(c); |
| 92 | if (failed != null) { |
| 93 | System.out.println("FAILED: " + name + ": " + failed); |
| 94 | failureMessage = failed; |
| 95 | } |
| 96 | } catch (Exception e) { |
| 97 | System.out.println("FAILED: " + name + ": exception:"); |
| 98 | e.printStackTrace(System.out); |
| 99 | failureMessage = e.toString(); |
| 100 | } |
| 101 | } |
| 102 | |
| 103 | abstract T prepare(P p) throws Exception; |
| 104 | abstract C test(T t) throws Exception; |
| 105 | abstract String check(C c) throws Exception; |
| 106 | |
| 107 | private final String name; |
| 108 | } |
| 109 | |
| 110 | /* |
| 111 | Test case where the preparation step consists of constructing an |
| 112 | instance of the given Descriptor subclass containing test values, |
| 113 | then giving that to the "test" method. |
| 114 | */ |
| 115 | private static abstract class ProtoCase<C> |
| 116 | extends Case<Class<? extends Descriptor>, Descriptor, C> { |
| 117 | |
| 118 | ProtoCase(String name) { |
| 119 | super(name); |
| 120 | } |
| 121 | |
| 122 | Descriptor prepare(Class<? extends Descriptor> descrClass) |
| 123 | throws Exception { |
| 124 | Constructor<? extends Descriptor> con = |
| 125 | descrClass.getConstructor(String[].class, Object[].class); |
| 126 | return con.newInstance(testFieldNames, testFieldValues); |
| 127 | } |
| 128 | } |
| 129 | |
| 130 | /* |
| 131 | Test case where the "test" method must return a value of type C |
| 132 | which we will compare against the testValue parameter given to |
| 133 | the test constructor. |
| 134 | */ |
| 135 | private static abstract class ValueProtoCase<C> extends ProtoCase<C> { |
| 136 | ValueProtoCase(String name, C testValue) { |
| 137 | super(name); |
| 138 | this.testValue = testValue; |
| 139 | } |
| 140 | |
| 141 | String check(C c) { |
| 142 | final boolean array = (testValue instanceof Object[]); |
| 143 | final boolean equal = |
| 144 | array ? |
| 145 | Arrays.deepEquals((Object[]) testValue, (Object[]) c) : |
| 146 | testValue.equals(c); |
| 147 | if (equal) |
| 148 | return null; |
| 149 | return "wrong value: " + string(c) + " should be " + |
| 150 | string(testValue); |
| 151 | } |
| 152 | |
| 153 | private final C testValue; |
| 154 | } |
| 155 | |
| 156 | /* |
| 157 | Test case where the dontChange method does some operation on the |
| 158 | test Descriptor that is not supposed to change the contents of |
| 159 | the Descriptor. This should work for both mutable and immutable |
| 160 | Descriptors, since immutable Descriptors are supposed to do |
| 161 | nothing (rather than throw an exception) for mutation operations |
| 162 | that would not in fact change the contents. |
| 163 | */ |
| 164 | private static abstract class UnchangedCase extends ProtoCase<Descriptor> { |
| 165 | UnchangedCase(String name) { |
| 166 | super(name); |
| 167 | } |
| 168 | |
| 169 | Descriptor test(Descriptor d) { |
| 170 | dontChange(d); |
| 171 | return d; |
| 172 | } |
| 173 | |
| 174 | String check(Descriptor d) { |
| 175 | String[] dnames = d.getFieldNames(); |
| 176 | if (!strings(dnames).equals(strings(testFieldNames))) |
| 177 | return "descriptor names changed: " + strings(dnames); |
| 178 | Object[] values = d.getFieldValues(testFieldNames); |
| 179 | if (values.length != testFieldValues.length) |
| 180 | return "getFieldValues: bogus length: " + values.length; |
| 181 | for (int i = 0; i < values.length; i++) { |
| 182 | Object expected = testFieldValues[i]; |
| 183 | Object found = values[i]; |
| 184 | if ((expected == null) ? |
| 185 | found != null : |
| 186 | !expected.equals(found)) |
| 187 | return "descriptor value changed: " + testFieldNames[i] + |
| 188 | " was " + expected + " now " + found; |
| 189 | } |
| 190 | return null; |
| 191 | } |
| 192 | |
| 193 | abstract void dontChange(Descriptor d); |
| 194 | } |
| 195 | |
| 196 | /* |
| 197 | Test case where the change(d) method attempts to make some |
| 198 | change to the Descriptor d. The behaviour depends on whether |
| 199 | the Descriptor is mutable or not. If the Descriptor is |
| 200 | immutable, then the change attempt must throw a |
| 201 | RuntimeOperationsException wrapping an |
| 202 | UnsupportedOperationException. If the Descriptor is mutable, |
| 203 | then the change attempt must succeed, and the Descriptor must |
| 204 | then look like the fieldsAndValues parameter to the constructor. |
| 205 | This is simply an alternating set of field names and corresponding |
| 206 | values. So for example if it is |
| 207 | |
| 208 | "a", "b", "x", 5 |
| 209 | |
| 210 | that represents a Descriptor with fields "a" and "x" whose |
| 211 | corresponding values are "x" and Integer.valueOf(5). |
| 212 | */ |
| 213 | private static abstract class ChangedCase extends ProtoCase<Object> { |
| 214 | ChangedCase(String name, Object... fieldsAndValues) { |
| 215 | super(name); |
| 216 | if (fieldsAndValues.length % 2 != 0) |
| 217 | throw new AssertionError("test wrong: odd fieldsAndValues"); |
| 218 | this.fieldsAndValues = fieldsAndValues; |
| 219 | this.immutableTest = new UnsupportedExceptionCase(name) { |
| 220 | void provoke(Descriptor d) { |
| 221 | ChangedCase.this.change(d); |
| 222 | } |
| 223 | }; |
| 224 | } |
| 225 | |
| 226 | Object test(Descriptor d) { |
| 227 | if (immutable(d)) |
| 228 | return immutableTest.test(d); |
| 229 | else { |
| 230 | change(d); |
| 231 | return d; |
| 232 | } |
| 233 | } |
| 234 | |
| 235 | String check(Object c) { |
| 236 | if (c instanceof Exception) |
| 237 | return immutableTest.check((Exception) c); |
| 238 | else if (!(c instanceof Descriptor)) { |
| 239 | return "test returned strange value: " + |
| 240 | c.getClass() + ": " + c; |
| 241 | } else { |
| 242 | Descriptor d = (Descriptor) c; |
| 243 | String[] names = new String[fieldsAndValues.length / 2]; |
| 244 | Object[] expected = new Object[names.length]; |
| 245 | for (int i = 0; i < fieldsAndValues.length; i += 2) { |
| 246 | names[i / 2] = (String) fieldsAndValues[i]; |
| 247 | expected[i / 2] = fieldsAndValues[i + 1]; |
| 248 | } |
| 249 | String[] foundNames = d.getFieldNames(); |
| 250 | if (!strings(foundNames).equals(strings(names))) { |
| 251 | return "wrong field names after change: found " + |
| 252 | strings(foundNames) + ", expected " + strings(names); |
| 253 | } |
| 254 | Object[] found = d.getFieldValues(names); |
| 255 | if (!Arrays.deepEquals(expected, found)) { |
| 256 | return "wrong value after change: for fields " + |
| 257 | Arrays.asList(names) + " values are " + |
| 258 | Arrays.asList(found) + ", should be " + |
| 259 | Arrays.asList(expected); |
| 260 | } |
| 261 | return null; |
| 262 | } |
| 263 | } |
| 264 | |
| 265 | abstract void change(Descriptor d); |
| 266 | |
| 267 | private final Object[] fieldsAndValues; |
| 268 | private final ExceptionCase immutableTest; |
| 269 | } |
| 270 | |
| 271 | /* |
| 272 | Test case where an operation provoke(d) on the test Descriptor d |
| 273 | is supposed to provoke an exception. The exception must be a |
| 274 | RuntimeOperationsException wrapping another exception whose type |
| 275 | is determined by the exceptionClass() method. |
| 276 | */ |
| 277 | private static abstract class ExceptionCase extends ProtoCase<Exception> { |
| 278 | |
| 279 | ExceptionCase(String name) { |
| 280 | super(name); |
| 281 | } |
| 282 | |
| 283 | Exception test(Descriptor d) { |
| 284 | try { |
| 285 | provoke(d); |
| 286 | return null; |
| 287 | } catch (Exception e) { |
| 288 | return e; |
| 289 | } |
| 290 | } |
| 291 | |
| 292 | String check(Exception e) { |
| 293 | if (e == null) |
| 294 | return "did not throw exception: " + expected(); |
| 295 | if (!(e instanceof RuntimeOperationsException)) { |
| 296 | StringWriter sw = new StringWriter(); |
| 297 | PrintWriter pw = new PrintWriter(sw); |
| 298 | e.printStackTrace(pw); |
| 299 | pw.flush(); |
| 300 | return "wrong exception: " + expected() + ": found: " + sw; |
| 301 | } |
| 302 | Throwable cause = e.getCause(); |
| 303 | if (!exceptionClass().isInstance(cause)) |
| 304 | return "wrong wrapped exception: " + cause + ": " + expected(); |
| 305 | return null; |
| 306 | } |
| 307 | |
| 308 | String expected() { |
| 309 | return "expected " + RuntimeOperationsException.class.getName() + |
| 310 | " wrapping " + exceptionClass().getName(); |
| 311 | } |
| 312 | |
| 313 | abstract Class<? extends Exception> exceptionClass(); |
| 314 | abstract void provoke(Descriptor d); |
| 315 | } |
| 316 | |
| 317 | private static abstract class IllegalExceptionCase extends ExceptionCase { |
| 318 | IllegalExceptionCase(String name) { |
| 319 | super(name); |
| 320 | } |
| 321 | |
| 322 | Class<IllegalArgumentException> exceptionClass() { |
| 323 | return IllegalArgumentException.class; |
| 324 | } |
| 325 | } |
| 326 | |
| 327 | private static abstract class UnsupportedExceptionCase |
| 328 | extends ExceptionCase { |
| 329 | UnsupportedExceptionCase(String name) { |
| 330 | super(name); |
| 331 | } |
| 332 | |
| 333 | Class<UnsupportedOperationException> exceptionClass() { |
| 334 | return UnsupportedOperationException.class; |
| 335 | } |
| 336 | } |
| 337 | |
| 338 | /* |
| 339 | List of test cases. We will run through these once for |
| 340 | ImmutableDescriptor and once for DescriptorSupport. |
| 341 | |
| 342 | Expect a compiler [unchecked] warning for this initialization. |
| 343 | Writing |
| 344 | |
| 345 | new Case<Class<? extends Descriptor>, ?, ?>[] = {...} |
| 346 | |
| 347 | would cause a compiler error since you can't have arrays of |
| 348 | parameterized types unless all the parameters are just "?". |
| 349 | This hack with varargs gives us a compiler warning instead. |
| 350 | Writing just: |
| 351 | |
| 352 | new Case<?, ?, ?>[] = {...} |
| 353 | |
| 354 | would compile here, but not where we call test.run, since you |
| 355 | cannot pass an object to the run(P) method if P is "?". |
| 356 | */ |
| 357 | private static final Case<Class<? extends Descriptor>, ?, ?> |
| 358 | genericDescriptorTests[] = constantArray( |
| 359 | |
| 360 | // TEST VALUES RETURNED BY GETTERS |
| 361 | |
| 362 | new Case<Class<? extends Descriptor>, Descriptor, Object[]>( |
| 363 | "getFieldValues on empty Descriptor") { |
| 364 | Descriptor prepare(Class<? extends Descriptor> c) |
| 365 | throws Exception { |
| 366 | Constructor<? extends Descriptor> con = |
| 367 | c.getConstructor(String[].class); |
| 368 | return con.newInstance(new Object[] {new String[0]}); |
| 369 | } |
| 370 | Object[] test(Descriptor d) { |
| 371 | return d.getFieldValues("foo", "bar"); |
| 372 | } |
| 373 | String check(Object[] v) { |
| 374 | if (v.length == 2 && v[0] == null && v[1] == null) |
| 375 | return null; |
| 376 | return "value should be array with null elements: " + |
| 377 | Arrays.deepToString(v); |
| 378 | } |
| 379 | }, |
| 380 | |
| 381 | new ValueProtoCase<Set<String>>("getFieldNames", |
| 382 | strings(testFieldNames)) { |
| 383 | Set<String> test(Descriptor d) { |
| 384 | return set(d.getFieldNames()); |
| 385 | } |
| 386 | }, |
| 387 | new ValueProtoCase<Set<String>>("getFields", |
| 388 | strings(testFieldStrings)) { |
| 389 | Set<String> test(Descriptor d) { |
| 390 | return set(d.getFields()); |
| 391 | } |
| 392 | }, |
| 393 | new ValueProtoCase<Object>("getFieldValue with exact case", "b") { |
| 394 | Object test(Descriptor d) { |
| 395 | return d.getFieldValue("a"); |
| 396 | } |
| 397 | }, |
| 398 | new ValueProtoCase<Object>("getFieldValue with lower case for upper", |
| 399 | "D") { |
| 400 | Object test(Descriptor d) { |
| 401 | return d.getFieldValue("c"); |
| 402 | } |
| 403 | }, |
| 404 | new ValueProtoCase<Object>("getFieldValue with upper case for lower", |
| 405 | "bb") { |
| 406 | Object test(Descriptor d) { |
| 407 | return d.getFieldValue("AA"); |
| 408 | } |
| 409 | }, |
| 410 | new ValueProtoCase<Object>("getFieldValue with mixed case for lower", |
| 411 | "bb") { |
| 412 | Object test(Descriptor d) { |
| 413 | return d.getFieldValue("aA"); |
| 414 | } |
| 415 | }, |
| 416 | new ValueProtoCase<Set<?>>("getFieldValues with null arg", |
| 417 | set(testFieldValues)) { |
| 418 | Set<?> test(Descriptor d) { |
| 419 | return set(d.getFieldValues((String[]) null)); |
| 420 | } |
| 421 | }, |
| 422 | new ValueProtoCase<Object[]>("getFieldValues with not all values", |
| 423 | new Object[] {"b", "D", 5}) { |
| 424 | Object[] test(Descriptor d) { |
| 425 | return d.getFieldValues("a", "c", "int"); |
| 426 | } |
| 427 | }, |
| 428 | new ValueProtoCase<Object[]>("getFieldValues with all values " + |
| 429 | "lower case", |
| 430 | new Object[]{"bb", "D", "b", 5}) { |
| 431 | Object[] test(Descriptor d) { |
| 432 | return d.getFieldValues("aa", "c", "a", "int"); |
| 433 | } |
| 434 | }, |
| 435 | new ValueProtoCase<Object[]>("getFieldValues with all values " + |
| 436 | "upper case", |
| 437 | new Object[] {5, "b", "D", "bb"}) { |
| 438 | Object[] test(Descriptor d) { |
| 439 | return d.getFieldValues("int", "A", "C", "AA"); |
| 440 | } |
| 441 | }, |
| 442 | new ValueProtoCase<Object[]>("getFieldValues with null name", |
| 443 | new Object[] {null}) { |
| 444 | Object[] test(Descriptor d) { |
| 445 | return d.getFieldValues((String) null); |
| 446 | } |
| 447 | }, |
| 448 | new ValueProtoCase<Object[]>("getFieldValues with empty name", |
| 449 | new Object[] {null}) { |
| 450 | Object[] test(Descriptor d) { |
| 451 | return d.getFieldValues(""); |
| 452 | } |
| 453 | }, |
| 454 | new ValueProtoCase<Object[]>("getFieldValues with no names", |
| 455 | new Object[0]) { |
| 456 | Object[] test(Descriptor d) { |
| 457 | return d.getFieldValues(); |
| 458 | } |
| 459 | }, |
| 460 | |
| 461 | // TEST OPERATIONS THAT DON'T CHANGE THE DESCRIPTOR |
| 462 | // Even for immutable descriptors, these are allowed |
| 463 | |
| 464 | new UnchangedCase("removeField with nonexistent field") { |
| 465 | void dontChange(Descriptor d) { |
| 466 | d.removeField("noddy"); |
| 467 | } |
| 468 | }, |
| 469 | new UnchangedCase("removeField with null field") { |
| 470 | void dontChange(Descriptor d) { |
| 471 | d.removeField(null); |
| 472 | } |
| 473 | }, |
| 474 | new UnchangedCase("removeField with empty field") { |
| 475 | void dontChange(Descriptor d) { |
| 476 | d.removeField(""); |
| 477 | } |
| 478 | }, |
| 479 | new UnchangedCase("setField leaving string unchanged") { |
| 480 | void dontChange(Descriptor d) { |
| 481 | d.setField("a", "b"); |
| 482 | } |
| 483 | }, |
| 484 | new UnchangedCase("setField leaving int unchanged") { |
| 485 | void dontChange(Descriptor d) { |
| 486 | d.setField("int", 5); |
| 487 | } |
| 488 | }, |
| 489 | // We do not test whether you can do a setField/s with an |
| 490 | // unchanged value but the case of the name different. |
| 491 | // From the spec, that should probably be illegal, but |
| 492 | // it's such a corner case that we leave it alone. |
| 493 | |
| 494 | new UnchangedCase("setFields with empty arrays") { |
| 495 | void dontChange(Descriptor d) { |
| 496 | d.setFields(new String[0], new Object[0]); |
| 497 | } |
| 498 | }, |
| 499 | new UnchangedCase("setFields with unchanged values") { |
| 500 | void dontChange(Descriptor d) { |
| 501 | d.setFields(new String[] {"a", "int"}, |
| 502 | new Object[] {"b", 5}); |
| 503 | } |
| 504 | }, |
| 505 | |
| 506 | // TEST OPERATIONS THAT DO CHANGE THE DESCRIPTOR |
| 507 | // For immutable descriptors, these should provoke an exception |
| 508 | |
| 509 | new ChangedCase("removeField with exact case", |
| 510 | "a", "b", "C", "D", "int", 5, "nul", null) { |
| 511 | void change(Descriptor d) { |
| 512 | d.removeField("aa"); |
| 513 | } |
| 514 | }, |
| 515 | new ChangedCase("removeField with upper case for lower", |
| 516 | "a", "b", "C", "D", "int", 5, "nul", null) { |
| 517 | void change(Descriptor d) { |
| 518 | d.removeField("AA"); |
| 519 | } |
| 520 | }, |
| 521 | new ChangedCase("removeField with lower case for upper", |
| 522 | "a", "b", "aa", "bb", "int", 5, "nul", null) { |
| 523 | void change(Descriptor d) { |
| 524 | d.removeField("c"); |
| 525 | } |
| 526 | }, |
| 527 | new ChangedCase("setField keeping lower case", |
| 528 | "a", "x", "C", "D", "aa", "bb", "int", 5, |
| 529 | "nul", null) { |
| 530 | void change(Descriptor d) { |
| 531 | d.setField("a", "x"); |
| 532 | } |
| 533 | }, |
| 534 | |
| 535 | // spec says we should conserve the original case of the field name: |
| 536 | new ChangedCase("setField changing lower case to upper", |
| 537 | "a", "x", "C", "D", "aa", "bb", "int", 5, |
| 538 | "nul", null) { |
| 539 | void change(Descriptor d) { |
| 540 | d.setField("A", "x"); |
| 541 | } |
| 542 | }, |
| 543 | new ChangedCase("setField changing upper case to lower", |
| 544 | "a", "b", "C", "x", "aa", "bb", "int", 5, |
| 545 | "nul", null) { |
| 546 | void change(Descriptor d) { |
| 547 | d.setField("c", "x"); |
| 548 | } |
| 549 | }, |
| 550 | new ChangedCase("setField adding new field", |
| 551 | "a", "b", "C", "D", "aa", "bb", "int", 5, "xX", "yY", |
| 552 | "nul", null) { |
| 553 | void change(Descriptor d) { |
| 554 | d.setField("xX", "yY"); |
| 555 | } |
| 556 | }, |
| 557 | new ChangedCase("setField changing type of field", |
| 558 | "a", true, "C", "D", "aa", "bb", "int", 5, |
| 559 | "nul", null) { |
| 560 | void change(Descriptor d) { |
| 561 | d.setField("a", true); |
| 562 | } |
| 563 | }, |
| 564 | new ChangedCase("setField changing non-null to null", |
| 565 | "a", null, "C", "D", "aa", "bb", "int", 5, |
| 566 | "nul", null) { |
| 567 | void change(Descriptor d) { |
| 568 | d.setField("a", null); |
| 569 | } |
| 570 | }, |
| 571 | new ChangedCase("setField changing null to non-null", |
| 572 | "a", "b", "C", "D", "aa", "bb", "int", 5, |
| 573 | "nul", 3.14) { |
| 574 | void change(Descriptor d) { |
| 575 | d.setField("nul", 3.14); |
| 576 | } |
| 577 | }, |
| 578 | |
| 579 | // TEST EXCEPTION BEHAVIOUR COMMON BETWEEN MUTABLE AND IMMUTABLE |
| 580 | |
| 581 | new IllegalExceptionCase("getFieldValue with null name") { |
| 582 | void provoke(Descriptor d) { |
| 583 | d.getFieldValue(null); |
| 584 | } |
| 585 | }, |
| 586 | new IllegalExceptionCase("getFieldValue with empty name") { |
| 587 | void provoke(Descriptor d) { |
| 588 | d.getFieldValue(""); |
| 589 | } |
| 590 | }, |
| 591 | new IllegalExceptionCase("setField with null name") { |
| 592 | void provoke(Descriptor d) { |
| 593 | d.setField(null, "x"); |
| 594 | } |
| 595 | }, |
| 596 | new IllegalExceptionCase("setField with empty name") { |
| 597 | void provoke(Descriptor d) { |
| 598 | d.setField("", "x"); |
| 599 | } |
| 600 | }, |
| 601 | new IllegalExceptionCase("setFields with null fieldNames") { |
| 602 | void provoke(Descriptor d) { |
| 603 | d.setFields(null, new Object[] {"X"}); |
| 604 | } |
| 605 | }, |
| 606 | new IllegalExceptionCase("setFields with null fieldValues") { |
| 607 | void provoke(Descriptor d) { |
| 608 | d.setFields(new String[] {"X"}, null); |
| 609 | } |
| 610 | }, |
| 611 | new IllegalExceptionCase("setFields with null fieldNames and " + |
| 612 | "fieldValues") { |
| 613 | void provoke(Descriptor d) { |
| 614 | d.setFields(null, null); |
| 615 | } |
| 616 | }, |
| 617 | new IllegalExceptionCase("setFields with more fieldNames than " + |
| 618 | "fieldValues") { |
| 619 | void provoke(Descriptor d) { |
| 620 | d.setFields(new String[] {"A", "B"}, new String[] {"C"}); |
| 621 | } |
| 622 | }, |
| 623 | new IllegalExceptionCase("setFields with more fieldValues than " + |
| 624 | "fieldNames") { |
| 625 | void provoke(Descriptor d) { |
| 626 | d.setFields(new String[] {"A"}, new String[] {"B", "C"}); |
| 627 | } |
| 628 | }, |
| 629 | new IllegalExceptionCase("setFields with null element of fieldNames") { |
| 630 | void provoke(Descriptor d) { |
| 631 | d.setFields(new String[] {null}, new String[] {"X"}); |
| 632 | } |
| 633 | } |
| 634 | |
| 635 | ); |
| 636 | |
| 637 | static <T> T[] constantArray(T... array) { |
| 638 | return array; |
| 639 | } |
| 640 | |
| 641 | static String string(Object x) { |
| 642 | if (x instanceof Object[]) |
| 643 | return Arrays.asList((Object[]) x).toString(); |
| 644 | else |
| 645 | return String.valueOf(x); |
| 646 | } |
| 647 | |
| 648 | static Set<String> strings(String... values) { |
| 649 | return new TreeSet<String>(Arrays.asList(values)); |
| 650 | } |
| 651 | |
| 652 | static <T> Set<T> set(T[] values) { |
| 653 | return new HashSet<T>(Arrays.asList(values)); |
| 654 | } |
| 655 | |
| 656 | static boolean immutable(Descriptor d) { |
| 657 | return (d instanceof ImmutableDescriptor); |
| 658 | // good enough for our purposes |
| 659 | } |
| 660 | } |