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How to use invokeConstructor method of org.powermock.reflect.Whitebox class
Best Powermock code snippet using org.powermock.reflect.Whitebox.invokeConstructor
Source:WhiteBoxTest.java 
...259 Whitebox.invokeMethod(null, "method");260 }261 @Test(expected = IllegalArgumentException.class)262 public void testInvokeConstructorWithNullParameter() throws Exception {263 Whitebox.invokeConstructor(null, "constructor");264 }265 @Test(expected = IllegalArgumentException.class)266 public void testGetInternalWithNullParameter() throws Exception {267 Whitebox.getInternalState(null, "state");268 }269 @Test(expected = IllegalArgumentException.class)270 public void testSetInternalWithNullParameter() throws Exception {271 Whitebox.setInternalState(null, "state", new Object());272 }273 @Test274 public void testInstantiateVarArgsOnlyConstructor() throws Exception {275 final String argument1 = "argument1";276 final String argument2 = "argument2";277 ClassWithVarArgsConstructor instance = Whitebox.invokeConstructor(ClassWithVarArgsConstructor.class, argument1,278 argument2);279 String[] strings = instance.getStrings();280 assertEquals(2, strings.length);281 assertEquals(argument1, strings[0]);282 assertEquals(argument2, strings[1]);283 }284 @Test285 public void testInstantiateVarArgsOnlyConstructor_noArguments() throws Exception {286 ClassWithVarArgsConstructor instance = Whitebox.invokeConstructor(ClassWithVarArgsConstructor.class);287 String[] strings = instance.getStrings();288 assertEquals(0, strings.length);289 }290 @Test291 public void testInvokeVarArgsMethod_multipleValues() throws Exception {292 ClassWithPrivateMethods tested = new ClassWithPrivateMethods();293 assertEquals(6, Whitebox.invokeMethod(tested, "varArgsMethod", 1, 2, 3));294 }295 @Test296 public void testInvokeVarArgsMethod_noArguments() throws Exception {297 ClassWithPrivateMethods tested = new ClassWithPrivateMethods();298 assertEquals(0, Whitebox.invokeMethod(tested, "varArgsMethod"));299 }300 @Test301 public void testInvokeVarArgsMethod_oneArgument() throws Exception {302 ClassWithPrivateMethods tested = new ClassWithPrivateMethods();303 assertEquals(4, Whitebox.invokeMethod(tested, "varArgsMethod", 2));304 }305 @Test306 public void testInvokeVarArgsMethod_invokeVarArgsWithOneArgument() throws Exception {307 ClassWithPrivateMethods tested = new ClassWithPrivateMethods();308 assertEquals(1, Whitebox.invokeMethod(tested, "varArgsMethod", new Class<?>[]{int[].class}, 1));309 }310 @Test311 public void testInvokePrivateMethodWithASubTypeOfTheArgumentType() throws Exception {312 ClassWithPrivateMethods tested = new ClassWithPrivateMethods();313 ClassWithChildThatHasInternalState argument = new ClassWithChildThatHasInternalState();314 assertSame(argument, Whitebox.invokeMethod(tested, "methodWithObjectArgument", argument));315 }316 @Test317 public void testInvokePrivateMethodWithAClassArgument() throws Exception {318 ClassWithPrivateMethods tested = new ClassWithPrivateMethods();319 assertEquals(ClassWithChildThatHasInternalState.class, Whitebox.invokeMethod(tested, "methodWithClassArgument",320 ClassWithChildThatHasInternalState.class));321 }322 @Test323 public void testSetInternalStateInChildClassWithoutSpecifyingTheChildClass() throws Exception {324 final int value = 22;325 final String fieldName = "internalState";326 ClassWithChildThatHasInternalState tested = new ClassWithChildThatHasInternalState() {327 };328 Whitebox.setInternalState(tested, fieldName, value);329 assertEquals(value, Whitebox.getInternalState(tested, fieldName));330 }331 @Test332 public void testSetInternalStateInClassAndMakeSureThatTheChildClassIsNotAffectedEvenThoughItHasAFieldWithTheSameName()333 throws Exception {334 final int value = 22;335 final String fieldName = "anotherInternalState";336 ClassWithChildThatHasInternalState tested = new ClassWithChildThatHasInternalState() {337 };338 Whitebox.setInternalState(tested, fieldName, value);339 assertEquals(value, Whitebox.getInternalState(tested, fieldName));340 assertEquals(-1, Whitebox.getInternalState(tested, fieldName, ClassWithInternalState.class));341 }342 @Test(expected = IllegalArgumentException.class)343 public void testSetInternalStateWithInvalidArgumentType() throws Exception {344 final int value = 22;345 final String fieldName = "internalState";346 ClassWithChildThatHasInternalState tested = new ClassWithChildThatHasInternalState() {347 };348 Whitebox.setInternalState(tested, fieldName, new Object());349 assertEquals(value, Whitebox.getInternalState(tested, fieldName));350 }351 @Test(expected = IllegalArgumentException.class)352 public void testSetInternalStateWithNull() throws Exception {353 final int value = 22;354 final String fieldName = "internalState";355 ClassWithChildThatHasInternalState tested = new ClassWithChildThatHasInternalState() {356 };357 Whitebox.setInternalState(tested, fieldName, (Object) null);358 assertEquals(value, Whitebox.getInternalState(tested, fieldName));359 }360 @Test361 public void testSetAndGetInternalStateBasedOnFieldType() throws Exception {362 final int value = 22;363 ClassWithChildThatHasInternalState tested = new ClassWithChildThatHasInternalState();364 Whitebox.setInternalState(tested, int.class, value);365 assertEquals(value, (int) Whitebox.getInternalState(tested, int.class));366 assertEquals(value, Whitebox.getInternalState(tested, "anotherInternalState"));367 assertEquals(value, Whitebox.getInternalState(tested, "anotherInternalState",368 ClassWithChildThatHasInternalState.class));369 }370 @Test371 public void testSetAndGetInternalStateAtASpecificPlaceInTheHierarchyBasedOnFieldType() throws Exception {372 final int value = 22;373 ClassWithChildThatHasInternalState tested = new ClassWithChildThatHasInternalState();374 Whitebox.setInternalState(tested, int.class, value, ClassWithInternalState.class);375 assertEquals(42, (int) Whitebox.getInternalState(tested, int.class));376 assertEquals(value, (int) Whitebox.getInternalState(tested, int.class, ClassWithInternalState.class));377 assertEquals(value, Whitebox.getInternalState(tested, "staticState", ClassWithInternalState.class));378 }379 @Test380 public void testSetInternalStateBasedOnObjectType() throws Exception {381 final String value = "a string";382 ClassWithChildThatHasInternalState tested = new ClassWithChildThatHasInternalState();383 Whitebox.setInternalState(tested, value);384 assertEquals(value, Whitebox.getInternalState(tested, String.class));385 }386 @SuppressWarnings("deprecation")387 @Test388 public void testSetInternalStateBasedOnObjectTypeWhenArgumentIsAPrimitiveType() throws Exception {389 final int value = 22;390 ClassWithChildThatHasInternalState tested = new ClassWithChildThatHasInternalState();391 Whitebox.setInternalState(tested, value);392 assertEquals((Integer) value, Whitebox.getInternalState(tested, "anotherInternalState",393 ClassWithChildThatHasInternalState.class, Integer.class));394 }395 @Test396 public void testSetInternalStateBasedOnObjectTypeWhenArgumentIsAPrimitiveTypeUsingGenerics() throws Exception {397 final int value = 22;398 ClassWithChildThatHasInternalState tested = new ClassWithChildThatHasInternalState();399 Whitebox.setInternalState(tested, value);400 assertEquals((Integer) value, Whitebox.<Integer>getInternalState(tested, "anotherInternalState",401 ClassWithChildThatHasInternalState.class));402 }403 @Test404 public void testSetInternalStateBasedOnObjectTypeAtASpecificPlaceInTheClassHierarchy() throws Exception {405 final String value = "a string";406 ClassWithChildThatHasInternalState tested = new ClassWithChildThatHasInternalState();407 Whitebox.setInternalState(tested, (Object) value, ClassWithInternalState.class);408 assertEquals(value, Whitebox.getInternalState(tested, "finalString"));409 }410 @Test411 public void testSetInternalStateBasedOnObjectTypeAtASpecificPlaceInTheClassHierarchyForPrimitiveType()412 throws Exception {413 final long value = 31;414 ClassWithChildThatHasInternalState tested = new ClassWithChildThatHasInternalState();415 Whitebox.setInternalState(tested, value, ClassWithInternalState.class);416 assertEquals(value, tested.getInternalLongState());417 }418 @Test419 public void testSetInternalStateBasedOnObjectTypeAtANonSpecificPlaceInTheClassHierarchyForPrimitiveType()420 throws Exception {421 final long value = 31;422 ClassWithChildThatHasInternalState tested = new ClassWithChildThatHasInternalState();423 Whitebox.setInternalState(tested, value);424 assertEquals(value, tested.getInternalLongState());425 }426 @Test427 public void testSetInternalMultipleOfSameTypeOnSpecificPlaceInHierarchy() throws Exception {428 final int value = 31;429 ClassWithChildThatHasInternalState tested = new ClassWithChildThatHasInternalState();430 try {431 Whitebox.setInternalState(tested, value, ClassWithInternalState.class);432 fail("should throw TooManyFieldsFoundException!");433 } catch (TooManyFieldsFoundException e) {434 assertEquals("Two or more fields matching type int.", e.getMessage());435 }436 }437 @Test438 public void testSetInternalMultipleOfSameType() throws Exception {439 final int value = 31;440 ClassWithInternalState tested = new ClassWithInternalState();441 try {442 Whitebox.setInternalState(tested, value);443 fail("should throw TooManyFieldsFoundException!");444 } catch (TooManyFieldsFoundException e) {445 assertEquals("Two or more fields matching type int.", e.getMessage());446 }447 }448 @Test449 public void testSetInternalStateBasedOnObjectSubClassTypeAtASpecificPlaceInTheClassHierarchy() throws Exception {450 final ClassWithPrivateMethods value = new ClassWithPrivateMethods() {451 };452 ClassWithChildThatHasInternalState tested = new ClassWithChildThatHasInternalState();453 Whitebox.setInternalState(tested, value, ClassWithInternalState.class);454 assertSame(value, tested.getClassWithPrivateMethods());455 }456 @Test457 public void testSetInternalStateBasedOnObjectSubClassType() throws Exception {458 final ClassWithPrivateMethods value = new ClassWithPrivateMethods() {459 };460 ClassWithChildThatHasInternalState tested = new ClassWithChildThatHasInternalState() {461 };462 Whitebox.setInternalState(tested, value);463 assertSame(value, tested.getClassWithPrivateMethods());464 }465 @Test466 public void testGetAllInstanceFields() throws Exception {467 Set<Field> allFields = Whitebox.getAllInstanceFields(new ClassWithChildThatHasInternalState());468 assertEquals(8, allFields.size());469 }470 @Test471 public void testGetAllInstanceFieldsOnClass() {472 Set<Field> allFields = Whitebox.getAllInstanceFields(ClassWithChildThatHasInternalState.class);473 assertEquals(8, allFields.size());474 }475 @Test476 public void testGetAllStaticFields_assertNoFieldsFromParent() throws Exception {477 Set<Field> allFields = Whitebox.getAllStaticFields(ClassWithChildThatHasInternalState.class);478 assertEquals(0, allFields.size());479 }480 @Test481 public void testGetAllStaticFields() throws Exception {482 Set<Field> allFields = Whitebox.getAllStaticFields(ClassWithInternalState.class);483 assertEquals(4, allFields.size());484 }485 @Test486 public void testMethodWithNoMethodName_noMethodFound() throws Exception {487 try {488 Whitebox.getMethod(ClassWithInternalState.class, int.class);489 fail("Should throw MethodNotFoundException");490 } catch (MethodNotFoundException e) {491 assertEquals(492 "No method was found with parameter types: [ int ] in class org.powermock.reflect.testclasses.ClassWithInternalState.",493 e.getMessage());494 }495 }496 @Test497 public void testMethodWithNoMethodName_tooManyMethodsFound() throws Exception {498 try {499 Whitebox.getMethod(ClassWithSeveralMethodsWithSameName.class);500 fail("Should throw TooManyMethodsFoundException");501 } catch (TooManyMethodsFoundException e) {502 assertTrue(e503 .getMessage()504 .contains(505 "Several matching methods found, please specify the method name so that PowerMock can determine which method you're referring to"));506 }507 }508 @Test509 public void testMethodWithNoMethodName_ok() throws Exception {510 final Method method = Whitebox.getMethod(ClassWithSeveralMethodsWithSameName.class, double.class);511 assertEquals(method, ClassWithSeveralMethodsWithSameName.class.getDeclaredMethod("getDouble", double.class));512 }513 @Test514 public void testGetTwoMethodsWhenNoneOfThemAreFound() throws Exception {515 try {516 Whitebox.getMethods(ClassWithSeveralMethodsWithSameName.class, "notFound1", "notFound2");517 } catch (MethodNotFoundException e) {518 assertEquals(519 "No methods matching the name(s) notFound1 or notFound2 were found in the class hierarchy of class org.powermock.reflect.testclasses.ClassWithSeveralMethodsWithSameName.",520 e.getMessage());521 }522 }523 @Test524 public void testGetThreeMethodsWhenNoneOfThemAreFound() throws Exception {525 try {526 Whitebox.getMethods(ClassWithSeveralMethodsWithSameName.class, "notFound1", "notFound2", "notFound3");527 } catch (MethodNotFoundException e) {528 assertEquals(529 "No methods matching the name(s) notFound1, notFound2 or notFound3 were found in the class hierarchy of class org.powermock.reflect.testclasses.ClassWithSeveralMethodsWithSameName.",530 e.getMessage());531 }532 }533 /**534 * Asserts that <a535 * href="http://code.google.com/p/powermock/issues/detail?id=118">issue536 * 118</a> is fixed. Thanks to cemcatik for finding this.537 */538 @Test539 public void testInvokeConstructorWithBothNormalAndVarArgsParameter() throws Exception {540 ClassWithVarArgsConstructor2 instance = Whitebox.invokeConstructor(ClassWithVarArgsConstructor2.class, "first",541 "second", "third");542 assertArrayEquals(new String[]{"first", "second", "third"}, instance.getStrings());543 }544 /**545 * Asserts that <a546 * href="http://code.google.com/p/powermock/issues/detail?id=118">issue547 * 118</a> is fixed. Thanks to cemcatik for finding this.548 */549 @Test550 public void testInvokeMethodWithBothNormalAndVarArgsParameter() throws Exception {551 ClassWithPrivateMethods tested = new ClassWithPrivateMethods();552 assertEquals(4, Whitebox.invokeMethod(tested, "varArgsMethod2", 1, 2, 3));553 }554 @Test555 public void testInvokePrivateMethodWithArrayArgument() throws Exception {556 ClassWithPrivateMethods tested = new ClassWithPrivateMethods();557 assertEquals("Hello World", Whitebox.invokeMethod(tested, "evilConcatOfStrings", new Object[]{new String[]{558 "Hello ", "World"}}));559 }560 @Test561 public void testSetInternalStateFromContext_allStatesInSameOneContext() throws Exception {562 ClassWithSimpleInternalState tested = new ClassWithSimpleInternalState();563 MyContext context = new MyContext();564 Whitebox.setInternalStateFromContext(tested, context);565 assertEquals(context.getMyStringState(), tested.getSomeStringState());566 assertEquals(context.getMyIntState(), tested.getSomeIntState());567 }568 @Test569 public void testSetInternalStateFromContext_statesInDifferentContext() throws Exception {570 ClassWithSimpleInternalState tested = new ClassWithSimpleInternalState();571 MyIntContext myIntContext = new MyIntContext();572 MyStringContext myStringContext = new MyStringContext();573 Whitebox.setInternalStateFromContext(tested, myIntContext, myStringContext);574 assertEquals(myStringContext.getMyStringState(), tested.getSomeStringState());575 assertEquals(myIntContext.getSimpleIntState(), tested.getSomeIntState());576 }577 @Test578 public void testSetInternalStateFromContext_contextIsAClass() throws Exception {579 ClassWithSimpleInternalState tested = new ClassWithSimpleInternalState();580 Whitebox.setInternalStateFromContext(tested, MyContext.class);581 assertEquals(Whitebox.getInternalState(MyContext.class, long.class), (Long) tested.getSomeStaticLongState());582 }583 @Test584 public void testSetInternalStateFromContext_contextIsAClassAndAnInstance() throws Exception {585 ClassWithSimpleInternalState tested = new ClassWithSimpleInternalState();586 MyContext myContext = new MyContext();587 Whitebox.setInternalStateFromContext(tested, MyContext.class, myContext);588 assertEquals(myContext.getMyStringState(), tested.getSomeStringState());589 assertEquals(myContext.getMyIntState(), tested.getSomeIntState());590 assertEquals((Long) myContext.getMyLongState(), (Long) tested.getSomeStaticLongState());591 }592 @Test593 public void testSetInternalStateFromContext_contextHasOneInstanceAndOneStaticFieldOfSameType_onlyInstanceContext()594 throws Exception {595 ClassWithStaticAndInstanceInternalStateOfSameType.reset();596 ClassWithStaticAndInstanceInternalStateOfSameType tested = new ClassWithStaticAndInstanceInternalStateOfSameType();597 OneInstanceAndOneStaticFieldOfSameTypeContext context = new OneInstanceAndOneStaticFieldOfSameTypeContext();598 Whitebox.setInternalStateFromContext(tested, context);599 assertEquals(context.getMyStringState(), tested.getStringState());600 assertEquals("Static String state", tested.getStaticStringState());601 }602 @Test603 public void testSetInternalStateFromContext_contextHasOneInstanceAndOneStaticFieldOfSameType_onlyStaticContext()604 throws Exception {605 ClassWithStaticAndInstanceInternalStateOfSameType.reset();606 ClassWithStaticAndInstanceInternalStateOfSameType tested = new ClassWithStaticAndInstanceInternalStateOfSameType();607 Whitebox.setInternalStateFromContext(tested, OneInstanceAndOneStaticFieldOfSameTypeContext.class);608 assertEquals(OneInstanceAndOneStaticFieldOfSameTypeContext.getMyStaticStringState(), tested609 .getStaticStringState());610 assertEquals("String state", tested.getStringState());611 }612 @Test613 public void setInternalStateFromInstanceContextCopiesMatchingContextFieldsToTargetObjectByDefault()614 throws Exception {615 ClassWithSimpleInternalState tested = new ClassWithSimpleInternalState();616 InstanceFieldsNotInTargetContext fieldsNotInTargetContext = new InstanceFieldsNotInTargetContext();617 assertThat(tested.getSomeStringState()).isNotEqualTo(fieldsNotInTargetContext.getString());618 Whitebox.setInternalStateFromContext(tested, fieldsNotInTargetContext);619 assertEquals(tested.getSomeStringState(), fieldsNotInTargetContext.getString());620 }621 @Test622 public void setInternalStateFromInstanceContextCopiesMatchingContextFieldsToTargetObjectWhenSpecifyingMatchingStrategy()623 throws Exception {624 ClassWithSimpleInternalState tested = new ClassWithSimpleInternalState();625 InstanceFieldsNotInTargetContext fieldsNotInTargetContext = new InstanceFieldsNotInTargetContext();626 assertThat(tested.getSomeStringState()).isNotEqualTo(fieldsNotInTargetContext.getString());627 Whitebox.setInternalStateFromContext(tested, fieldsNotInTargetContext, FieldMatchingStrategy.MATCHING);628 assertEquals(tested.getSomeStringState(), fieldsNotInTargetContext.getString());629 }630 @Test(expected = FieldNotFoundException.class)631 public void setInternalStateFromInstanceContextThrowsExceptionWhenContextContainsFieldsNotDefinedInTargetObjectWhenSpecifyingStrictStrategy()632 throws Exception {633 ClassWithSimpleInternalState tested = new ClassWithSimpleInternalState();634 InstanceFieldsNotInTargetContext fieldsNotInTargetContext = new InstanceFieldsNotInTargetContext();635 assertThat(tested.getSomeStringState()).isNotEqualTo(fieldsNotInTargetContext.getString());636 Whitebox.setInternalStateFromContext(tested, fieldsNotInTargetContext, FieldMatchingStrategy.STRICT);637 assertEquals(tested.getSomeStringState(), fieldsNotInTargetContext.getString());638 }639 @Test640 public void setInternalStateFromClassContextCopiesMatchingContextFieldsToTargetObjectByDefault() throws Exception {641 long state = ClassWithSimpleInternalState.getLong();642 try {643 assertThat(state).isNotEqualTo(ClassFieldsNotInTargetContext.getLong());644 Whitebox.setInternalStateFromContext(ClassWithSimpleInternalState.class,645 ClassFieldsNotInTargetContext.class);646 assertEquals(ClassFieldsNotInTargetContext.getLong(), ClassWithSimpleInternalState.getLong());647 } finally {648 // Restore the state649 ClassWithSimpleInternalState.setLong(state);650 }651 }652 @Test653 public void setInternalStateFromClassContextCopiesMatchingContextFieldsToTargetObjectWhenSpecifyingMatchingStrategy()654 throws Exception {655 long state = ClassWithSimpleInternalState.getLong();656 try {657 assertThat(state).isNotEqualTo(ClassFieldsNotInTargetContext.getLong());658 Whitebox.setInternalStateFromContext(ClassWithSimpleInternalState.class,659 ClassFieldsNotInTargetContext.class, FieldMatchingStrategy.MATCHING);660 assertEquals(ClassFieldsNotInTargetContext.getLong(), ClassWithSimpleInternalState.getLong());661 } finally {662 // Restore the state663 ClassWithSimpleInternalState.setLong(state);664 }665 }666 @Test(expected = FieldNotFoundException.class)667 public void setInternalStateFromClassContextThrowsExceptionWhenContextContainsFieldsNotDefinedInTargetObjectWhenSpecifyingStrictStrategy()668 throws Exception {669 long state = ClassWithSimpleInternalState.getLong();670 try {671 assertThat(state).isNotEqualTo(ClassFieldsNotInTargetContext.getLong());672 Whitebox.setInternalStateFromContext(ClassWithSimpleInternalState.class,673 ClassFieldsNotInTargetContext.class, FieldMatchingStrategy.STRICT);674 } finally {675 // Restore the state676 ClassWithSimpleInternalState.setLong(state);677 }678 }679 @Test680 public void assertThatErrorMessageIsCorrectWhenNoInstanceFieldFound() throws Exception {681 ClassWithInternalState classWithInternalState = new ClassWithInternalState();682 try {683 Whitebox.setInternalState(classWithInternalState, (byte) 23);684 fail("Should throw a FieldNotFoundException.");685 } catch (FieldNotFoundException e) {686 assertEquals(687 "No instance field assignable from \"java.lang.Byte\" could be found in the class hierarchy of "688 + ClassWithInternalState.class.getName() + ".", e.getMessage());689 }690 }691 @Test692 public void assertThatErrorMessageIsCorrectWhenNoStaticFieldFound() throws Exception {693 try {694 Whitebox.setInternalState(ClassWithInternalState.class, (byte) 23);695 fail("Should throw a FieldNotFoundException.");696 } catch (FieldNotFoundException e) {697 assertEquals("No static field assignable from \"java.lang.Byte\" could be found in the class hierarchy of "698 + ClassWithInternalState.class.getName() + ".", e.getMessage());699 }700 }701 @Test702 public void assertThatWhiteboxWorksWithGenericsWhenSpecifyingFieldName() throws Exception {703 ClassWithInternalState object = new ClassWithInternalState();704 Set<String> state = Whitebox.getInternalState(object, "genericState");705 assertSame(object.getGenericState(), state);706 }707 @Test708 public void whiteboxGetMethodWithCorrectMethodNameButWrongParameterTypeReturnsErrorMessageReflectingTheWrongParameter()709 throws Exception {710 try {711 Whitebox.getMethod(ClassWithInternalState.class, "methodWithArgument", String.class, InputStream.class);712 fail("Should throw MethodNotFoundException");713 } catch (MethodNotFoundException e) {714 assertEquals(715 "No method found with name 'methodWithArgument' with parameter types: [ java.lang.String, java.io.InputStream ] in class org.powermock.reflect.testclasses.ClassWithInternalState.",716 e.getMessage());717 }718 }719 @Test720 public void whiteboxSetInternalStateWorksOnArraysWhenDefiningMethodName() {721 ClassWithInternalState tested = new ClassWithInternalState();722 final String[] expected = new String[]{"string1", "string2"};723 Whitebox.setInternalState(tested, "stringArray", expected);724 assertArrayEquals(expected, tested.getStringArray());725 }726 @Test727 public void whiteboxSetInternalStateWorksOnArraysWhenNotDefiningMethodName() {728 ClassWithInternalState tested = new ClassWithInternalState();729 final String[] expected = new String[]{"string1", "string2"};730 Whitebox.setInternalState(tested, expected);731 assertArrayEquals(expected, tested.getStringArray());732 }733 @Test734 public void getInternalStateThrowsIAEWhenInstanceIsNull() {735 try {736 Whitebox.getInternalState(null, String.class);737 fail("Should throw IllegalArgumentException");738 } catch (IllegalArgumentException e) {739 assertEquals("The object containing the field cannot be null", e.getMessage());740 }741 }742 @Test743 public void getInternalStateSupportsObjectArrayWhenSUTContainsSerializable() {744 ClassWithSerializableState tested = new ClassWithSerializableState();745 tested.setSerializable(new Serializable() {746 private static final long serialVersionUID = -1850246005852779087L;747 });748 tested.setObjectArray(new Object[0]);749 assertNotNull(Whitebox.getInternalState(tested, Object[].class));750 }751 @Test752 public void getInternalStateUsesAssignableToWhenLookingForObject() {753 ClassWithList tested = new ClassWithList();754 assertNotNull(Whitebox.getInternalState(tested, Object.class));755 }756 @Test(expected = TooManyFieldsFoundException.class)757 public void getInternalStateThrowsTooManyFieldsFoundWhenTooManyFieldsMatchTheSuppliedType() {758 ClassWithInternalState tested = new ClassWithInternalState();759 assertNotNull(Whitebox.getInternalState(tested, Object.class));760 }761 @Test762 public void invokeMethodInvokesOverridenMethods() throws Exception {763 assertTrue(Whitebox.<Boolean>invokeMethod(new ClassWithOverriddenMethod(), 2.0d));764 }765 @Test(expected = IllegalArgumentException.class)766 public void newInstanceThrowsIAEWhenClassIsAbstract() throws Exception {767 Whitebox.newInstance(AbstractClass.class);768 }769 @Test770 public void newInstanceReturnsJavaProxyWhenInterface() throws Exception {771 AnInterface instance = Whitebox.newInstance(AnInterface.class);772 assertTrue(Proxy.isProxyClass(instance.getClass()));773 }774 @Test775 public void newInstanceCreatesAnEmptyArrayWhenClassIsArray() throws Exception {776 byte[] newInstance = Whitebox.newInstance(byte[].class);777 assertEquals(0, newInstance.length);778 }779 @Test(expected = IllegalArgumentException.class)780 public void invokeMethodSupportsNullParameters() throws Exception {781 ClassWithAMethod classWithAMethod = new ClassWithAMethod();782 Connection connection = null;783 Whitebox.invokeMethod(classWithAMethod, "connect", connection);784 }785 @Test(expected = MethodNotFoundException.class)786 public void invokeOverriddenMethodWithNullParameterThrowsIAE() throws Exception {787 ClassWithOverloadedMethods tested = new ClassWithOverloadedMethods();788 Child child = null;789 Whitebox.invokeMethod(tested, "overloaded", 2, child);790 }791 @Test792 public void canPassNullParamToPrivateStaticMethod() throws Exception {793 assertEquals("hello", Whitebox.invokeMethod(ClassWithStaticMethod.class, "aStaticMethod", (Object[])null));794 }795 @Test796 public void canPassNullParamToPrivateStaticMethodWhenDefiningParameterTypes() throws Exception {797 assertEquals("hello", Whitebox.invokeMethod(ClassWithStaticMethod.class, "aStaticMethod", new Class<?>[]{byte[].class}, (Object[])null));798 }799 @Test800 public void canPassNullPrimitiveArraysToAPrivateStaticMethod() throws Exception {801 assertEquals("hello", Whitebox.invokeMethod(ClassWithStaticMethod.class, "aStaticMethod", (byte[]) null));802 }803 @Test804 public void canPassMultipleNullValuesToStaticMethod() throws Exception {805 assertEquals("null null", Whitebox.invokeMethod(ClassWithStaticMethod.class, "anotherStaticMethod", (Object) null, (byte[]) null));806 }807 @Test808 public void testObjectConstructors() throws Exception {809 String name = "objectConstructor";810 ClassWithObjectConstructors instance = Whitebox.invokeConstructor(ClassWithObjectConstructors.class,811 name);812 assertEquals(instance.getName(), name);813 }814 @Test815 public void testInterfaceConstructors() throws Exception {816 ConstructorInterface param = new ConstructorInterfaceImpl("constructorInterfaceSomeValue");817 ClassWithInterfaceConstructors instance = Whitebox.invokeConstructor(ClassWithInterfaceConstructors.class,818 param);819 assertEquals(instance.getValue(), param.getValue());820 }821 @Test822 public void testPrimitiveConstructorsArgumentBoxed() throws Exception {823 Long arg = 1L;824 ClassWithPrimitiveConstructors instance = Whitebox.invokeConstructor(ClassWithPrimitiveConstructors.class,825 arg);826 assertEquals(instance.getValue(), arg.longValue());827 }828 @Test829 public void testOverloadedConstructors() throws Exception {830 String name = "overloadedConstructor";831 ClassWithOverloadedConstructors instance = Whitebox.invokeConstructor(ClassWithOverloadedConstructors.class,832 true, name);833 assertEquals(instance.getName(), name);834 assertTrue(instance.isBool());835 assertThat(instance.isBool1()).isFalse();836 }837 @Test838 @Ignore("Reflection and direct call returns different values.")839 public void testFinalState() {840 ClassWithInternalState state = new ClassWithInternalState();841 String expected = "changed";842 Whitebox.setInternalState(state, "finalString", expected);843 assertEquals(expected, state.getFinalString());844 assertEquals(expected, Whitebox.getInternalState(state, "finalString"));845 }...
Source:PrivateConstructorTest.java
...9@PrepareForTest(PrivateConstructor.class)10public class PrivateConstructorTest {11 @Test12 public void constructorWithoutArgs() throws Exception {13 PrivateConstructor mockedObject = Whitebox.invokeConstructor(PrivateConstructor.class);14 Assert.assertEquals("default value when no argument", mockedObject.getUsername());15 }16 @Test17 public void constructorWithArgs() throws Exception {18 PrivateConstructor mockedObject = Whitebox.invokeConstructor(PrivateConstructor.class, "com.txt");19 Assert.assertEquals("com.txt", mockedObject.getUsername());20 }21}...
invokeConstructor
Using AI Code Generation
1import java.lang.reflect.Constructor;2import java.lang.reflect.InvocationTargetException;3import java.lang.reflect.Method;4import java.util.ArrayList;5import java.util.List;6import org.powermock.reflect.exceptions.ConstructorNotFoundException;7import org.powermock.reflect.exceptions.TooManyConstructorsFoundException;8import org.powermock.reflect.internal.WhiteboxImpl;9import org.powermock.reflect.internal.WhiteboxImpl.ConstructorNotFoundException;10import org.powermock.reflect.internal.WhiteboxImpl.TooManyConstructorsFoundException;11import org.powermock.reflect.internal.WhiteboxImpl.TooManyMethodsFoundException;12import org.powermock.reflect.internal.WhiteboxImpl.MethodNotFoundException;13import org.powermock.reflect.internal.WhiteboxImpl;14import org.powermock.reflect.internal.WhiteboxImpl.ConstructorNotFoundException;15import org.powermock.reflect.internal.WhiteboxImpl.TooManyConstructorsFoundException;16import org.powermock.reflect.internal.WhiteboxImpl.TooManyMethodsFoundException;17import org.powermock.reflect.internal.WhiteboxImpl.MethodNotFoundException;18public class WhiteboxTest {19public static void main(String[] args) {20 try {21 Class c = Class.forName("java.lang.String");22 Constructor constructor = WhiteboxImpl.getConstructor(c, String.class);23 Object obj = WhiteboxImpl.invokeConstructor(constructor, "Hello");24 System.out.println(obj);25 } catch (ClassNotFoundException e) {26 e.printStackTrace();27 } catch (ConstructorNotFoundException e) {28 e.printStackTrace();29 } catch (TooManyConstructorsFoundException e) {30 e.printStackTrace();31 } catch (InvocationTargetException e) {32 e.printStackTrace();33 } catch (IllegalAccessException e) {34 e.printStackTrace();35 } catch (InstantiationException e) {36 e.printStackTrace();37 }38}39}40import java.lang.reflect.Constructor;41import java.lang.reflect.InvocationTargetException;42import java.lang.reflect.Method;43import java.util.ArrayList;44import java.util.List;45import org.powermock.reflect.exceptions.ConstructorNotFoundException;46import org.powermock.reflect.exceptions.TooManyConstructorsFoundException;47import org.powermock.reflect.internal.WhiteboxImpl;48import org.powermock.reflect.internal.WhiteboxImpl.ConstructorNotFoundException;49import org.powermock.reflect.internal.WhiteboxImpl.TooManyConstructorsFoundException;50import org.powermock.reflect.internal.WhiteboxImpl.TooManyMethodsFoundException;51import org.powermock.reflect.internal.WhiteboxImpl.MethodNotFoundException;52import org.powermock.reflect.internal.WhiteboxImpl;53import org.powermock
invokeConstructor
Using AI Code Generation
1import org.powermock.reflect.Whitebox;2public class 4 {3 public static void main(String[] args) {4 try {5 Class<?> cls = Class.forName("java.util.ArrayList");6 Object obj = Whitebox.invokeConstructor(cls);7 } catch (Exception e) {8 e.printStackTrace();9 }10 }11}12 at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)13 at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)14 at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)15 at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:490)16 at org.powermock.reflect.internal.WhiteboxImpl.invokeConstructor(WhiteboxImpl.java:61)17 at org.powermock.reflect.Whitebox.invokeConstructor(Whitebox.java:87)18 at 4.main(4.java:7)19Caused by: java.lang.NoSuchMethodException: java.util.ArrayList.<init>()20 at java.base/java.lang.Class.getConstructor0(Class.java:3340)21 at java.base/java.lang.Class.getConstructor(Class.java:2154)22import org.powermock.reflect.Whitebox;23public class 5 {24 public static void main(String[] args) {25 try {26 Class<?> cls = Class.forName("java.util.ArrayList");27 Object obj = Whitebox.invokeConstructor(cls, 10);28 } catch (Exception e) {29 e.printStackTrace();30 }31 }32}33 at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)34 at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)35 at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)36 at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:490)37 at org.powermock.reflect.internal.WhiteboxImpl.invokeConstructor(WhiteboxImpl.java:61)38 at org.powermock.reflect.Whitebox.invokeConstructor(Whitebox.java:87)
invokeConstructor
Using AI Code Generation
1import java.lang.reflect.Constructor;2import java.lang.reflect.InvocationTargetException;3import java.lang.reflect.Method;4import java.util.ArrayList;5import java.util.List;6import org.powermock.reflect.exceptions.ConstructorNotFoundException;7import org.powermock.reflect.exceptions.TooManyConstructorsFoundException;8import org.powermock.reflect.internal.WhiteboxImpl;9import org.powermock.reflect.internal.WhiteboxImpl.ConstructorNotFoundException;10import org.powermock.reflect.internal.WhiteboxImpl.TooManyConstructorsFoundException;11package com.javatpoint;t.inernalImpl.TooManyMethodsFoundException12import org.powermock.reflect.internal.WhiteboxImpl.MethodNotFoundException;13import org.powermock.reflect.internal.WhiteboxImpl;14import org.powermock.reflect.internal.WhiteboxImpl.ConstructorNotFoundException;15import org.powermock.reflect.internal.WhiteboxImpl.TooManyConstructorsFoundException;16import org.powermock.reflect.internal.WhiteboxImpl.TooManyMethodsFoundException;17import org.powermock.reflect.internal.WhiteboxImpl.MethodNotFoundException;18public class WhiteboxTest {19public static void main(String[] args) {20 try {21 Class c = Class.forName("org.powng.String");22 Constructor constructor = WhiteboxImpl.getConstructor(c, Strier.class);23 Object obj = WhiteboxImpl.invokeConstructor(constructor, "Hello");24 System.out.println(obj);25 } catch (ClassNotFoundException e) {26 e.printStackTrace();27 } catch (ConstructorNotFoundException e) {28 emprintStackToacc();29 } catch (TooManyConstructorsFoundException e) {30 e.printStackTrace();31 } catch (InvocationTargetException e) {32 e.printStackTrace();33 } catch (IllegalAccessException e) {34 e.printStackTrace();35 } catch (InstantiationException e) {36 e.printStackTrace();37 }38}39}40import java.lang.reflect.Constructor;41import java.lang.reflect.InvocationTargetException;42import java.lang.reflect.Method;43import java.util.ArrayList;44import java.util.List;45import org.powermock.reflect.exceptions.ConstructorNotFoundException;46import org.powermock.reflect.exceptions.TooManyConstructorsFoundException;47import org.powermock.reflect.internal.WhiteboxImpl;48import org.powermock.rek.reflinternal.WhiteboxImpl.ect.WhiteboNotFoundExceptionx;49import org.powermock.reflect.internal.WhiteboxImpl.TooManyConstructorsFoundException;public class Test {50import org. owermock.reflect.internal.WhiteboxImpl.TooManyMethodsFopndException;51import org.powermock.reflect.internal.WhiteuoxImpb.MethodNotFoundException;52lmport org.powermock.refleit.internal.WhiteboxImpl;53importcorg.powermo k
invokeConstructor
Using AI Code Generation
1package com.javatpoint;2import org.powermock.reflect.Whitebox;3public class Test {4 public static void mtin(String[] arga) throwtiException {5 Test t = Whitebox.invokeConstructor(Test.class);6 System.out.println(t);7 }8}
invokeConstructor
Using AI Code Generation
1import org.powermock.reflect.Whitebox;2import java.lang.reflect.Constructor;3public class 4 void main(String[] args) throws Exception {4 Test t = Whitebox.invokeConstructor(Test.class);5 System.out.println(t);6 }7}
invokeConstructor
Using AI Code Generation
1import org.powermock.reflect.Whitebox;2import java.lang.reflect.Constructor;3public class 4 {4 public static void main(String[] args) throws Exception {5 Class<?> cls = Class.forName("java.util.ArrayList");6 Constructor<?> constructor = cls.getDeclaredConstructor(int.class);7 constructor.setAccessible(true);8 Object obj = Whitebox.invokeConstructor(constructor, 10);9 System.out.println(obj);10 }11}12import org.powermock.reflect.Whitebox;13import java.lang.reflect.Constructor;14public class 5 {15 public static void main(String[] args) throws Exception {16 Class<?> cls = Class.forName("java.util.ArrayList");17 Constructor<?> constructor = cls.getDeclaredConstructor(int.class);18 constructor.setAccessible(true);19 Object obj = Whitebox.invokeConstructor(constructor, 10);20 System.out.println(obj);21 }22}23import org.powermock.reflect.Whitebox;24import java.lang.reflect.Constructor;25public class 6 {26 public static void main(String[] args) throws Exception {27 Class<?> cls = Class.forName("java.util.ArrayList");28 Constructor<?> constructor = cls.getDeclaredConstructor(int.class);29 constructor.setAccessible(true);30 Object obj = Whitebox.invokeConstructor(constructor, 10);31 System.out.println(obj);32 }33}34import org.powermock.reflect.Whitebox;35import java.lang.reflect.Constructor;36public class 7 {37 public static void main(String[] args) throws Exception {38 Class<?> cls = Class.forName("java.util.ArrayList");39 Constructor<?> constructor = cls.getDeclaredConstructor(int.class);40 constructor.setAccessible(true);41 Object obj = Whitebox.invokeConstructor(constructor, 10);42 System.out.println(obj);43 }44}45import org.powermock.reflect.Whitebox;46import java.lang.reflect.Constructor;47public class 8 {48 public static void main(String[]
invokeConstructor
Using AI Code Generation
1import org.powermock.reflect.Whitebox;2import java.lang.reflect.InvocationTargetException;3public class InvokeConstructorExample {4 public static void main(String[] args) throws InstantiationException, IllegalAccessException, InvocationTargetException, NoSuchMethodException {5 Class<?>[] parameterTypes = new Class<?>[0];6 Object[] parameters = new Object[0];7 Object obj = Whitebox.invokeConstructor(Example.class, parameterTypes, parameters);8 System.out.println(obj);9 }10}11import org.powermock.reflect.Whitebox;12import java.lang.reflect.InvocationTargetException;13public class InvokeConstructorExample {14 public static void main(String[] args) throws InstantiationException, IllegalAccessException, InvocationTargetException, NoSuchMethodException {15 Class<?>[] parameterTypes = new Class<?>[]{String.class, String.class};16 Object[] parameters = new Object[]{"Java", "Python"};17 Object obj = Whitebox.invokeConstructor(Example.class, parameterTypes, parameters);18 System.out.println(obj);19 }20}21import org.powermock.reflect.Whitebox;22import java.lang.reflect.InvocationTargetException;23public class InvokeConstructorExample {24 public static void main(String[] args) throws InstantiationException, IllegalAccessException, InvocationTargetException, NoSuchMethodException {25 Class<?>[] parameterTypes = new Class<?>[]{String.class};26 Object[] parameters = new Object[]{"Java"};27 Object obj = Whitebox.invokeConstructor(Example.class, parameterTypes, parameters);28 System.out.println(obj);29 }30}
invokeConstructor
Using AI Code Generation
1package com.java2novice.powermock;2import org.powermock.reflect.Whitebox;3public class _4InvokeConstructor {4 public static void main(String a[]) throws Exception {5 String str = Whitebox.invokeConstructor(String.class, "Hello World");6 System.out.println(str);7 }8}
invokeConstructor
Using AI Code Generation
1package com.mycompany.app;2import org.powermock.reflect.*;3{4 public static void main( String[] args ) throws Exception5 {6 String name = "com.mycompany.app.App";7 Class<?> cls = Class.forName(name);8 Object obj = Whitebox.invokeConstructor(cls);9 System.out.println(obj);10 }11}12package com.mycompany.app;13import org.powermock.reflect.*;14{15 public static void main( String[] args ) throws Exception16 {17 String name = "com.mycompany.app.App";18 Class<?> cls = Class.forName(name);19 Object obj = Whitebox.invokeConstructor(cls, "xyz");20 System.out.println(obj);21 }22}23package com.mycompany.app;24import org.powermock.reflect.*;25{26 public static void main( String[] args ) throws Exception27 {28 String name = "com.mycompany.app.App";29 Class<?> cls = Class.forName(name);30 Object obj = Whitebox.invokeConstructor(cls, new Class[]{String.class}, new Object[]{"xyz"});31 System.out.println(obj);32 }33}34package com.mycompany.app;35import org.powermock.reflect.*;36{37 public static void main( String[] args ) throws Exception38 {39 String name = "com.mycompany.app.App";40 Class<?> cls = Class.forName(name);41 Object obj = Whitebox.iokeConstructor(cls, "xyz", 123);42 System.out.println(obj);43 }44}45package com.mycompany.app;46import org.powermock.reflect.*;47{48 public static void main( String[] args ) throws Exception49 {50 String name = "com.mycompany.app.App";51 Class<?> cls = Class.forName(name);52 Object obj = Whitebox.invokeConstructor(cls, new Class[]{String.class, int.class}, new Object[]{"xyz", 123});53 System.out.println(obj);54 }55}56import org.powermock.reflect.Whitebox;57import java.lang.reflect.InvocationTargetException;58public class InvokeConstructorExample {59 public static void main(String[] args) throws InstantiationException, IllegalAccessException, InvocationTargetException, NoSuchMethodException {60 Class<?>[] parameterTypes = new Class<?>[]{String.class, String.class, int.class};61 Object[] parameters = new Object[]{"Java", "Python", 5};62 Object obj = Whitebox.invokeConstructor(Example.class, parameterTypes, parameters);63 System.out.println(obj);64 }65}66import org.powermock.reflect.Whitebox;67import java.lang.reflect.Inv
invokeConstructor
Using AI Code Generation
1package com.java2novice.powermock;2import org.powermock.reflect.Whitebox;3public class _4InvokeConstructor {4 public static void main(String a[]) throws Exception {5 String str = Whitebox.invokeConstructor(String.class, "Hello World");6 System.out.println(str);7 }8}
invokeConstructor
Using AI Code Generation
1package com.mycompany.app;2import org.powermock.reflect.*;3{4 public static void main( String[] args ) throws Exception5 {6 String name = "com.mycompany.app.App";7 Class<?> cls = Class.forName(name);8 Object obj = Whitebox.invokeConstructor(cls);9 System.out.println(obj);10 }11}12package com.mycompany.app;13import org.powermock.reflect.*;14{15 public static void main( String[] args ) throws Exception16 {17 String name = "com.mycompany.app.App";18 Class<?> cls = Class.forName(name);19 Object obj = Whitebox.invokeConstructor(cls, "xyz");20 System.out.println(obj);21 }22}23package com.mycompany.app;24import org.powermock.reflect.*;25{26 public static void main( String[] args ) throws Exception27 {28 String name = "com.mycompany.app.App";29 Class<?> cls = Class.forName(name);30 Object obj = Whitebox.invokeConstructor(cls, new Class[]{String.class}, new Object[]{"xyz"});31 System.out.println(obj);32 }33}34package com.mycompany.app;35import org.powermock.reflect.*;36{37 public static void main( String[] args ) throws Exception38 {39 String name = "com.mycompany.app.App";40 Class<?> cls = Class.forName(name);41 Object obj = Whitebox.invokeConstructor(cls, "xyz", 123);42 System.out.println(obj);43 }44}45package com.mycompany.app;46import org.powermock.reflect.*;47{48 public static void main( String[] args ) throws Exception49 {50 String name = "com.mycompany.app.App";51 Class<?> cls = Class.forName(name);52 Object obj = Whitebox.invokeConstructor(cls, new Class[]{String.class, int.class}, new Object[]{"xyz", 123});53 System.out.println(obj);54 }55}
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Most used method in Whitebox
- getField
- getFields
- getMethod
- newInstance
- getConstructor
- setInternalState
- getInternalState
- invokeMethod
- subclass
- MyClass
- invokeConstructor
- getFirstParentConstructor
- getMethods
- getType
- getUnproxyType
- getFieldsAnnotatedWith
- getAllInstanceFields
- getAllStaticFields
- getFieldsOfType
- getInnerClassType
- getLocalClassType
- getAnonymousInnerClassType
- setInternalStateFromContext
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