347 if (kind.equals(TestMethods.Kind.ONE)) {
348 target = TestMethods.methodHandleGenerator(mtTarget.returnType(),
349 mtTarget.parameterList(), TestMethods.Kind.ONE);
350 } else {
351 target = TestMethods.methodHandleGenerator(mtTarget.returnType(),
352 mtTarget.parameterList(), TestMethods.Kind.EXCEPT);
353 }
354 List<Class<?>> handlerParamList = new ArrayList<>(mtTarget.parameterCount() + 1);
355 handlerParamList.add(Exception.class);
356 handlerParamList.addAll(mtTarget.parameterList().subList(0, modifierMHArgNum));
357 MethodHandle handler = TestMethods.methodHandleGenerator(
358 mtTarget.returnType(), handlerParamList, TestMethods.Kind.TWO);
359 return MethodHandles.catchException(target, Exception.class, handler);
360 }
361 },
362 INVOKER("invoker") {
363 @Override
364 public Map<String, Object> getTestCaseData() {
365 Map<String, Object> data = new HashMap<>();
366 int desiredArity = Helper.RNG.nextInt(Helper.MAX_ARITY);
367 MethodType mtTarget = TestMethods.randomMethodTypeGenerator(desiredArity);
368 data.put("mtTarget", mtTarget);
369 return data;
370 }
371
372 @Override
373 protected MethodHandle getMH(Map<String, Object> data, TestMethods.Kind kind) {
374 MethodType mtTarget = (MethodType) data.get("mtTarget");
375 return MethodHandles.invoker(mtTarget);
376 }
377 },
378 EXACT_INVOKER("exactInvoker") {
379 @Override
380 public Map<String, Object> getTestCaseData() {
381 Map<String, Object> data = new HashMap<>();
382 int desiredArity = Helper.RNG.nextInt(Helper.MAX_ARITY);
383 MethodType mtTarget = TestMethods.randomMethodTypeGenerator(desiredArity);
384 data.put("mtTarget", mtTarget);
385 return data;
386 }
387
388 @Override
389 protected MethodHandle getMH(Map<String, Object> data, TestMethods.Kind kind) {
390 MethodType mtTarget = (MethodType) data.get("mtTarget");
391 return MethodHandles.exactInvoker(mtTarget);
392 }
393 },
394 SPREAD_INVOKER("spreadInvoker") {
395 @Override
396 public Map<String, Object> getTestCaseData() {
397 Map<String, Object> data = new HashMap<>();
398 int desiredArity = Helper.RNG.nextInt(Helper.MAX_ARITY);
399 MethodType mtTarget = TestMethods.randomMethodTypeGenerator(desiredArity);
400 data.put("mtTarget", mtTarget);
401 // Arity after reducing because of long and double take 2 slots.
402 int realArity = mtTarget.parameterCount();
403 int modifierMHArgNum = Helper.RNG.nextInt(realArity + 1);
404 data.put("modifierMHArgNum", modifierMHArgNum);
405 return data;
406 }
407
408 @Override
409 protected MethodHandle getMH(Map<String, Object> data, TestMethods.Kind kind) {
410 MethodType mtTarget = (MethodType) data.get("mtTarget");
411 int modifierMHArgNum = (int) data.get("modifierMHArgNum");
412 return MethodHandles.spreadInvoker(mtTarget, modifierMHArgNum);
413 }
414 },
415 ARRAY_ELEMENT_GETTER("arrayElementGetter") {
416 @Override
417 public Map<String, Object> getTestCaseData() {
418 Map<String, Object> data = new HashMap<>();
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347 if (kind.equals(TestMethods.Kind.ONE)) {
348 target = TestMethods.methodHandleGenerator(mtTarget.returnType(),
349 mtTarget.parameterList(), TestMethods.Kind.ONE);
350 } else {
351 target = TestMethods.methodHandleGenerator(mtTarget.returnType(),
352 mtTarget.parameterList(), TestMethods.Kind.EXCEPT);
353 }
354 List<Class<?>> handlerParamList = new ArrayList<>(mtTarget.parameterCount() + 1);
355 handlerParamList.add(Exception.class);
356 handlerParamList.addAll(mtTarget.parameterList().subList(0, modifierMHArgNum));
357 MethodHandle handler = TestMethods.methodHandleGenerator(
358 mtTarget.returnType(), handlerParamList, TestMethods.Kind.TWO);
359 return MethodHandles.catchException(target, Exception.class, handler);
360 }
361 },
362 INVOKER("invoker") {
363 @Override
364 public Map<String, Object> getTestCaseData() {
365 Map<String, Object> data = new HashMap<>();
366 int desiredArity = Helper.RNG.nextInt(Helper.MAX_ARITY);
367 desiredArity = desiredArity <= 252 ? desiredArity : 252;
368 MethodType mtTarget = TestMethods.randomMethodTypeGenerator(desiredArity);
369 data.put("mtTarget", mtTarget);
370 return data;
371 }
372
373 @Override
374 protected MethodHandle getMH(Map<String, Object> data, TestMethods.Kind kind) {
375 MethodType mtTarget = (MethodType) data.get("mtTarget");
376 return MethodHandles.invoker(mtTarget);
377 }
378 },
379 EXACT_INVOKER("exactInvoker") {
380 @Override
381 public Map<String, Object> getTestCaseData() {
382 Map<String, Object> data = new HashMap<>();
383 int desiredArity = Helper.RNG.nextInt(Helper.MAX_ARITY);
384 desiredArity = desiredArity <= 252 ? desiredArity : 252;
385 MethodType mtTarget = TestMethods.randomMethodTypeGenerator(desiredArity);
386 data.put("mtTarget", mtTarget);
387 return data;
388 }
389
390 @Override
391 protected MethodHandle getMH(Map<String, Object> data, TestMethods.Kind kind) {
392 MethodType mtTarget = (MethodType) data.get("mtTarget");
393 return MethodHandles.exactInvoker(mtTarget);
394 }
395 },
396 SPREAD_INVOKER("spreadInvoker") {
397 @Override
398 public Map<String, Object> getTestCaseData() {
399 Map<String, Object> data = new HashMap<>();
400 int desiredArity = Helper.RNG.nextInt(Helper.MAX_ARITY);
401 desiredArity = desiredArity <= 252 ? desiredArity : 252;
402 MethodType mtTarget = TestMethods.randomMethodTypeGenerator(desiredArity);
403 data.put("mtTarget", mtTarget);
404 // Arity after reducing because of long and double take 2 slots.
405 int realArity = mtTarget.parameterCount();
406 int modifierMHArgNum = Helper.RNG.nextInt(realArity + 1);
407 data.put("modifierMHArgNum", modifierMHArgNum);
408 return data;
409 }
410
411 @Override
412 protected MethodHandle getMH(Map<String, Object> data, TestMethods.Kind kind) {
413 MethodType mtTarget = (MethodType) data.get("mtTarget");
414 int modifierMHArgNum = (int) data.get("modifierMHArgNum");
415 return MethodHandles.spreadInvoker(mtTarget, modifierMHArgNum);
416 }
417 },
418 ARRAY_ELEMENT_GETTER("arrayElementGetter") {
419 @Override
420 public Map<String, Object> getTestCaseData() {
421 Map<String, Object> data = new HashMap<>();
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