How to use VarArgsConstructorDemo class of samples.expectnew package

Best Powermock code snippet using samples.expectnew.VarArgsConstructorDemo

Source:ExpectNewCases.java

...13import samples.expectnew.ExpectNewDemo;14import samples.expectnew.ExpectNewServiceUser;15import samples.expectnew.ITarget;16import samples.expectnew.Target;17import samples.expectnew.VarArgsConstructorDemo;18import samples.newmocking.MyClass;19public abstract class ExpectNewCases {20    public static final String TARGET_NAME = "MyTarget";21    public static final int TARGET_ID = 1;22    public static final String UNKNOWN_TARGET_NAME = "Unknown2";23    public static final int UNKNOWN_TARGET_ID = -11;24    @Test25    public void testNewWithCheckedException() throws Exception {26        ExpectNewDemo tested = new ExpectNewDemo();27        final String expectedFailMessage = "testing checked exception";28        PowerMock.expectNew(MyClass.class).andThrow(new IOException(expectedFailMessage));29        PowerMock.replay(MyClass.class);30        try {31            tested.throwExceptionAndWrapInRunTimeWhenInvoction();32            Assert.fail("Should throw a checked Exception!");33        } catch (RuntimeException e) {34            Assert.assertTrue(((e.getCause()) instanceof IOException));35            Assert.assertEquals(expectedFailMessage, e.getMessage());36        }37        PowerMock.verify(MyClass.class);38    }39    @Test40    public void testGetMessage() throws Exception {41        ExpectNewDemo tested = new ExpectNewDemo();42        MyClass myClassMock = PowerMock.createMock(MyClass.class);43        PowerMock.expectNew(MyClass.class).andReturn(myClassMock);44        String expected = "Hello altered World";45        expect(myClassMock.getMessage()).andReturn("Hello altered World");46        PowerMock.replay(myClassMock, MyClass.class);47        String actual = tested.getMessage();48        PowerMock.verify(myClassMock, MyClass.class);49        Assert.assertEquals("Expected and actual did not match", expected, actual);50    }51    @Test52    public void testGetMessageWithArgument() throws Exception {53        ExpectNewDemo tested = new ExpectNewDemo();54        MyClass myClassMock = PowerMock.createMock(MyClass.class);55        PowerMock.expectNew(MyClass.class).andReturn(myClassMock);56        String expected = "Hello altered World";57        expect(myClassMock.getMessage("test")).andReturn("Hello altered World");58        PowerMock.replay(myClassMock, MyClass.class);59        String actual = tested.getMessageWithArgument();60        PowerMock.verify(myClassMock, MyClass.class);61        Assert.assertEquals("Expected and actual did not match", expected, actual);62    }63    @Test64    public void testInvokeVoidMethod() throws Exception {65        ExpectNewDemo tested = new ExpectNewDemo();66        MyClass myClassMock = PowerMock.createMock(MyClass.class);67        PowerMock.expectNew(MyClass.class).andReturn(myClassMock);68        myClassMock.voidMethod();69        expectLastCall().times(1);70        PowerMock.replay(myClassMock, MyClass.class);71        tested.invokeVoidMethod();72        PowerMock.verify(myClassMock, MyClass.class);73    }74    @Test75    public void testNewWithRuntimeException() throws Exception {76        ExpectNewDemo tested = new ExpectNewDemo();77        final String expectedFailMessage = "testing";78        PowerMock.expectNew(MyClass.class).andThrow(new RuntimeException(expectedFailMessage));79        PowerMock.replay(MyClass.class);80        try {81            tested.throwExceptionWhenInvoction();82            Assert.fail("Should throw RuntimeException!");83        } catch (RuntimeException e) {84            Assert.assertEquals(expectedFailMessage, e.getMessage());85        }86        PowerMock.verify(MyClass.class);87    }88    @Test89    public void testPreviousProblemsWithByteCodeManipulation() throws Exception {90        MyClass myClassMock1 = PowerMock.createMock(MyClass.class);91        expect(myClassMock1.getMessage()).andReturn("Hello");92        expect(myClassMock1.getMessage()).andReturn("World");93        PowerMock.replay(myClassMock1);94        Assert.assertEquals("Hello", myClassMock1.getMessage());95        Assert.assertEquals("World", myClassMock1.getMessage());96        PowerMock.verify(myClassMock1);97    }98    @Test99    public void testMultipleNew() throws Exception {100        ExpectNewDemo tested = new ExpectNewDemo();101        MyClass myClassMock1 = PowerMock.createMock(MyClass.class);102        MyClass myClassMock2 = PowerMock.createMock(MyClass.class);103        PowerMock.expectNew(MyClass.class).andReturn(myClassMock1);104        PowerMock.expectNew(MyClass.class).andReturn(myClassMock2);105        expect(myClassMock1.getMessage()).andReturn("Hello ");106        expect(myClassMock2.getMessage()).andReturn("World");107        PowerMock.replay(myClassMock1, myClassMock2, MyClass.class);108        final String actual = tested.multipleNew();109        PowerMock.verify(myClassMock1, myClassMock2, MyClass.class);110        Assert.assertEquals("Hello World", actual);111    }112    @Test113    public void testSimpleMultipleNew() throws Exception {114        ExpectNewDemo tested = new ExpectNewDemo();115        MyClass myClassMock1 = PowerMock.createMock(MyClass.class);116        PowerMock.expectNew(MyClass.class).andReturn(myClassMock1).times(3);117        PowerMock.replay(myClassMock1, MyClass.class);118        tested.simpleMultipleNew();119        PowerMock.verify(myClassMock1, MyClass.class);120    }121    @Test122    public void testSimpleMultipleNew_tooManyTimesExpected() throws Exception {123        ExpectNewDemo tested = new ExpectNewDemo();124        MyClass myClassMock1 = PowerMock.createMock(MyClass.class);125        PowerMock.expectNew(MyClass.class).andReturn(myClassMock1).times(4);126        PowerMock.replay(myClassMock1, MyClass.class);127        tested.simpleMultipleNew();128        try {129            PowerMock.verify(myClassMock1, MyClass.class);130            Assert.fail("Should throw AssertionError.");131        } catch (AssertionError e) {132            Assert.assertEquals(("\n  Expectation failure on verify:" + "\n    samples.newmocking.MyClass(): expected: 4, actual: 3"), e.getMessage());133        }134    }135    @Test136    public void testSimpleMultipleNew_tooFewTimesExpected() throws Exception {137        ExpectNewDemo tested = new ExpectNewDemo();138        MyClass myClassMock1 = PowerMock.createMock(MyClass.class);139        PowerMock.expectNew(MyClass.class).andReturn(myClassMock1).times(2);140        PowerMock.replay(myClassMock1, MyClass.class);141        try {142            tested.simpleMultipleNew();143            Assert.fail("Should throw AssertionError.");144        } catch (AssertionError e) {145            Assert.assertEquals(("\n  Unexpected constructor call samples.newmocking.MyClass():" + "\n    samples.newmocking.MyClass(): expected: 2, actual: 3"), e.getMessage());146        }147    }148    /**149     * Verifies that the issue150     * http://code.google.com/p/powermock/issues/detail?id=10 is solved.151     */152    @Test153    public void testSimpleMultipleNewPrivate_tooFewTimesExpected() throws Exception {154        ExpectNewDemo tested = new ExpectNewDemo();155        MyClass myClassMock1 = PowerMock.createMock(MyClass.class);156        PowerMock.expectNew(MyClass.class).andReturn(myClassMock1).times(2);157        PowerMock.replay(myClassMock1, MyClass.class);158        try {159            Whitebox.invokeMethod(tested, "simpleMultipleNewPrivate");160            Assert.fail("Should throw AssertionError.");161        } catch (AssertionError e) {162            Assert.assertEquals(("\n  Unexpected constructor call samples.newmocking.MyClass():" + "\n    samples.newmocking.MyClass(): expected: 2, actual: 3"), e.getMessage());163        }164    }165    @Test166    public void testSimpleMultipleNewPrivate_ok() throws Exception {167        ExpectNewDemo tested = new ExpectNewDemo();168        MyClass myClassMock1 = PowerMock.createMock(MyClass.class);169        PowerMock.expectNew(MyClass.class).andReturn(myClassMock1).times(3);170        PowerMock.replay(myClassMock1, MyClass.class);171        Whitebox.invokeMethod(tested, "simpleMultipleNewPrivate");172    }173    @Test174    public void testSimpleSingleNew_withOnce() throws Exception {175        ExpectNewDemo tested = new ExpectNewDemo();176        MyClass myClassMock1 = PowerMock.createMock(MyClass.class);177        PowerMock.expectNew(MyClass.class).andReturn(myClassMock1).once();178        PowerMock.replay(myClassMock1, MyClass.class);179        tested.simpleSingleNew();180        PowerMock.verify(myClassMock1, MyClass.class);181    }182    @Test183    public void testSimpleSingleNew_withAtLeastOnce() throws Exception {184        ExpectNewDemo tested = new ExpectNewDemo();185        MyClass myClassMock1 = PowerMock.createMock(MyClass.class);186        PowerMock.expectNew(MyClass.class).andReturn(myClassMock1).atLeastOnce();187        PowerMock.replay(myClassMock1, MyClass.class);188        tested.simpleSingleNew();189        PowerMock.verify(myClassMock1, MyClass.class);190    }191    @Test192    public void testSimpleMultipleNew_withAtLeastOnce() throws Exception {193        ExpectNewDemo tested = new ExpectNewDemo();194        MyClass myClassMock1 = PowerMock.createMock(MyClass.class);195        PowerMock.expectNew(MyClass.class).andReturn(myClassMock1).atLeastOnce();196        PowerMock.replay(myClassMock1, MyClass.class);197        tested.simpleMultipleNew();198        PowerMock.verify(myClassMock1, MyClass.class);199    }200    @Test201    public void testSimpleMultipleNew_withRange_lowerBoundLessThan0() throws Exception {202        MyClass myClassMock1 = PowerMock.createMock(MyClass.class);203        try {204            PowerMock.expectNew(MyClass.class).andReturn(myClassMock1).times((-20), 2);205            Assert.fail("Should throw IllegalArgumentException.");206        } catch (IllegalArgumentException e) {207            Assert.assertEquals("minimum must be >= 0", e.getMessage());208        }209    }210    @Test211    public void testSimpleMultipleNew_withRange_upperBoundLessThan0() throws Exception {212        MyClass myClassMock1 = PowerMock.createMock(MyClass.class);213        try {214            PowerMock.expectNew(MyClass.class).andReturn(myClassMock1).times((-1), (-2));215            Assert.fail("Should throw IllegalArgumentException.");216        } catch (IllegalArgumentException e) {217            Assert.assertTrue(e.getMessage().contains("<="));218        }219    }220    @Test221    public void testSimpleMultipleNew_withRange_upperBoundLessThanLowerBound() throws Exception {222        MyClass myClassMock1 = PowerMock.createMock(MyClass.class);223        try {224            PowerMock.expectNew(MyClass.class).andReturn(myClassMock1).times(10, 2);225            Assert.fail("Should throw IllegalArgumentException.");226        } catch (IllegalArgumentException e) {227            Assert.assertTrue(e.getMessage().contains("<="));228        }229    }230    @Test231    public void testSimpleMultipleNew_withRange_OK() throws Exception {232        ExpectNewDemo tested = new ExpectNewDemo();233        MyClass myClassMock1 = PowerMock.createMock(MyClass.class);234        PowerMock.expectNew(MyClass.class).andReturn(myClassMock1).times(1, 5);235        PowerMock.replay(myClassMock1, MyClass.class);236        tested.simpleMultipleNew();237        PowerMock.verify(myClassMock1, MyClass.class);238    }239    @Test240    public void testSimpleMultipleNew_anyTimes() throws Exception {241        ExpectNewDemo tested = new ExpectNewDemo();242        MyClass myClassMock1 = PowerMock.createMock(MyClass.class);243        PowerMock.expectNew(MyClass.class).andReturn(myClassMock1).anyTimes();244        PowerMock.replay(myClassMock1, MyClass.class);245        tested.simpleMultipleNew();246        PowerMock.verify(myClassMock1, MyClass.class);247    }248    @Test249    public void testSimpleMultipleNew_withRange_notWithinRange() throws Exception {250        ExpectNewDemo tested = new ExpectNewDemo();251        MyClass myClassMock1 = PowerMock.createMock(MyClass.class);252        PowerMock.expectNew(MyClass.class).andReturn(myClassMock1).times(5, 7);253        PowerMock.replay(myClassMock1, MyClass.class);254        tested.simpleMultipleNew();255        try {256            PowerMock.verify(myClassMock1, MyClass.class);257            Assert.fail("Should throw AssertionError.");258        } catch (AssertionError e) {259            Assert.assertEquals(("\n  Expectation failure on verify:" + "\n    samples.newmocking.MyClass(): expected: between 5 and 7, actual: 3"), e.getMessage());260        }261    }262    @Test263    public void testAlternativeFlow() throws Exception {264        ExpectNewDemo tested = new ExpectNewDemo();265        PowerMock.expectNew(DataInputStream.class, new Object[]{ null }).andThrow(new RuntimeException("error"));266        PowerMock.replay(ExpectNewDemo.class, DataInputStream.class);267        InputStream stream = tested.alternativePath();268        PowerMock.verify(ExpectNewDemo.class, DataInputStream.class);269        Assert.assertNotNull("The returned inputstream should not be null.", stream);270        Assert.assertTrue("The returned inputstream should be an instance of ByteArrayInputStream.", (stream instanceof ByteArrayInputStream));271    }272    @Test273    public void testSimpleMultipleNewPrivate_tooManyTimesExpected() throws Exception {274        ExpectNewDemo tested = new ExpectNewDemo();275        MyClass myClassMock1 = PowerMock.createMock(MyClass.class);276        PowerMock.expectNew(MyClass.class).andReturn(myClassMock1).times(4);277        PowerMock.replay(myClassMock1, MyClass.class);278        try {279            Whitebox.invokeMethod(tested, "simpleMultipleNewPrivate");280            PowerMock.verify(myClassMock1, MyClass.class);281            Assert.fail("Should throw an exception!.");282        } catch (AssertionError e) {283            Assert.assertEquals(("\n  Expectation failure on verify:" + "\n    samples.newmocking.MyClass(): expected: 4, actual: 3"), e.getMessage());284        }285    }286    @Test287    public void testNewWithArguments() throws Exception {288        final int numberOfTimes = 2;289        final String expected = "used";290        ExpectNewDemo tested = new ExpectNewDemo();291        ExpectNewServiceUser expectNewServiceImplMock = PowerMock.createMock(ExpectNewServiceUser.class);292        Service serviceMock = PowerMock.createMock(Service.class);293        PowerMock.expectNew(ExpectNewServiceUser.class, serviceMock, numberOfTimes).andReturn(expectNewServiceImplMock);294        expect(expectNewServiceImplMock.useService()).andReturn(expected);295        PowerMock.replay(expectNewServiceImplMock, serviceMock, ExpectNewServiceUser.class);296        Assert.assertEquals(expected, tested.newWithArguments(serviceMock, numberOfTimes));297        PowerMock.verify(expectNewServiceImplMock, serviceMock, ExpectNewServiceUser.class);298    }299    @Test300    public void testNewWithVarArgs() throws Exception {301        final String firstString = "hello";302        final String secondString = "world";303        ExpectNewDemo tested = new ExpectNewDemo();304        VarArgsConstructorDemo varArgsConstructorDemoMock = PowerMock.createMock(VarArgsConstructorDemo.class);305        PowerMock.expectNew(VarArgsConstructorDemo.class, firstString, secondString).andReturn(varArgsConstructorDemoMock);306        expect(varArgsConstructorDemoMock.getAllMessages()).andReturn(new String[]{ firstString, secondString });307        PowerMock.replay(VarArgsConstructorDemo.class, varArgsConstructorDemoMock);308        String[] varArgs = tested.newVarArgs(firstString, secondString);309        Assert.assertEquals(2, varArgs.length);310        Assert.assertEquals(firstString, varArgs[0]);311        Assert.assertEquals(secondString, varArgs[1]);312        PowerMock.verify(VarArgsConstructorDemo.class, varArgsConstructorDemoMock);313    }314    @Test315    public void testNewWhenTheExpectedConstructorIsNotFound() throws Exception {316        final Object object = new Object();317        try {318            PowerMock.expectNew(VarArgsConstructorDemo.class, object);319            Assert.fail("Should throw ConstructorNotFoundException!");320        } catch (ConstructorNotFoundException e) {321            Assert.assertEquals((((("No constructor found in class '" + (VarArgsConstructorDemo.class.getName())) + "' with parameter types: [ ") + (object.getClass().getName())) + " ]."), e.getMessage());322        }323    }324    @Test325    public void testNewWithVarArgsConstructorWhenOneArgumentIsOfASubType() throws Exception {326        ExpectNewDemo tested = new ExpectNewDemo();327        Service serviceMock = PowerMock.createMock(Service.class);328        VarArgsConstructorDemo varArgsConstructorDemoMock = PowerMock.createMock(VarArgsConstructorDemo.class);329        final Service serviceSubTypeInstance = new Service() {330            public String getServiceMessage() {331                return "message";332            }333        };334        PowerMock.expectNew(VarArgsConstructorDemo.class, serviceSubTypeInstance, serviceMock).andReturn(varArgsConstructorDemoMock);335        expect(varArgsConstructorDemoMock.getAllServices()).andReturn(new Service[]{ serviceMock });336        PowerMock.replay(serviceMock, VarArgsConstructorDemo.class, varArgsConstructorDemoMock);337        Service[] varArgs = tested.newVarArgs(serviceSubTypeInstance, serviceMock);338        Assert.assertEquals(1, varArgs.length);339        Assert.assertSame(serviceMock, varArgs[0]);340        PowerMock.verify(serviceMock, VarArgsConstructorDemo.class, varArgsConstructorDemoMock);341    }342    @Test343    public void testNewWithArrayVarArgs() throws Exception {344        ExpectNewDemo tested = new ExpectNewDemo();345        VarArgsConstructorDemo varArgsConstructorDemoMock = PowerMock.createMock(VarArgsConstructorDemo.class);346        final byte[] byteArrayOne = new byte[]{ 42 };347        final byte[] byteArrayTwo = new byte[]{ 17 };348        PowerMock.expectNew(VarArgsConstructorDemo.class, byteArrayOne, byteArrayTwo).andReturn(varArgsConstructorDemoMock);349        expect(varArgsConstructorDemoMock.getByteArrays()).andReturn(new byte[][]{ byteArrayOne });350        PowerMock.replay(VarArgsConstructorDemo.class, varArgsConstructorDemoMock);351        byte[][] varArgs = tested.newVarArgs(byteArrayOne, byteArrayTwo);352        Assert.assertEquals(1, varArgs.length);353        Assert.assertSame(byteArrayOne, varArgs[0]);354        PowerMock.verify(VarArgsConstructorDemo.class, varArgsConstructorDemoMock);355    }356    @Test357    public void testNewWithArrayVarArgsAndMatchers() throws Exception {358        ExpectNewDemo tested = new ExpectNewDemo();359        VarArgsConstructorDemo varArgsConstructorDemoMock = PowerMock.createMock(VarArgsConstructorDemo.class);360        final byte[] byteArrayOne = new byte[]{ 42 };361        final byte[] byteArrayTwo = new byte[]{ 17 };362        PowerMock.expectNew(VarArgsConstructorDemo.class, aryEq(byteArrayOne), aryEq(byteArrayTwo)).andReturn(varArgsConstructorDemoMock);363        expect(varArgsConstructorDemoMock.getByteArrays()).andReturn(new byte[][]{ byteArrayOne });364        PowerMock.replay(VarArgsConstructorDemo.class, varArgsConstructorDemoMock);365        byte[][] varArgs = tested.newVarArgsWithMatchers();366        Assert.assertEquals(1, varArgs.length);367        Assert.assertSame(byteArrayOne, varArgs[0]);368        PowerMock.verify(VarArgsConstructorDemo.class, varArgsConstructorDemoMock);369    }370    @Test371    public void testNewWithArrayVarArgsWhenFirstArgumentIsNullAndSubseqentArgumentsAreNotNull() throws Exception {372        ExpectNewDemo tested = new ExpectNewDemo();373        VarArgsConstructorDemo varArgsConstructorDemoMock = PowerMock.createMock(VarArgsConstructorDemo.class);374        final byte[] byteArrayOne = null;375        final byte[] byteArrayTwo = new byte[]{ 17 };376        PowerMock.expectNew(VarArgsConstructorDemo.class, byteArrayOne, byteArrayTwo).andReturn(varArgsConstructorDemoMock);377        expect(varArgsConstructorDemoMock.getByteArrays()).andReturn(new byte[][]{ byteArrayTwo });378        PowerMock.replay(VarArgsConstructorDemo.class, varArgsConstructorDemoMock);379        byte[][] varArgs = tested.newVarArgs(byteArrayOne, byteArrayTwo);380        Assert.assertEquals(1, varArgs.length);381        Assert.assertSame(byteArrayTwo, varArgs[0]);382        PowerMock.verify(VarArgsConstructorDemo.class, varArgsConstructorDemoMock);383    }384    @Test385    public void testNewWithArrayVarArgsWhenFirstArgumentIsNotNullButSubseqentArgumentsAreNull() throws Exception {386        ExpectNewDemo tested = new ExpectNewDemo();387        VarArgsConstructorDemo varArgsConstructorDemoMock = PowerMock.createMock(VarArgsConstructorDemo.class);388        final byte[] byteArrayOne = new byte[]{ 42 };389        final byte[] byteArrayTwo = null;390        PowerMock.expectNew(VarArgsConstructorDemo.class, byteArrayOne, byteArrayTwo).andReturn(varArgsConstructorDemoMock);391        expect(varArgsConstructorDemoMock.getByteArrays()).andReturn(new byte[][]{ byteArrayOne });392        PowerMock.replay(VarArgsConstructorDemo.class, varArgsConstructorDemoMock);393        byte[][] varArgs = tested.newVarArgs(byteArrayOne, byteArrayTwo);394        Assert.assertEquals(1, varArgs.length);395        Assert.assertSame(byteArrayOne, varArgs[0]);396        PowerMock.verify(VarArgsConstructorDemo.class, varArgsConstructorDemoMock);397    }398    @Test399    public void testNewWithArrayVarArgsWhenFirstArgumentIsNullSecondArgumentIsNotNullAndThirdArgumentIsNull() throws Exception {400        ExpectNewDemo tested = new ExpectNewDemo();401        VarArgsConstructorDemo varArgsConstructorDemoMock = PowerMock.createMock(VarArgsConstructorDemo.class);402        final byte[] byteArrayOne = null;403        final byte[] byteArrayTwo = new byte[]{ 42 };404        final byte[] byteArrayThree = null;405        PowerMock.expectNew(VarArgsConstructorDemo.class, byteArrayOne, byteArrayTwo, byteArrayThree).andReturn(varArgsConstructorDemoMock);406        expect(varArgsConstructorDemoMock.getByteArrays()).andReturn(new byte[][]{ byteArrayTwo });407        PowerMock.replay(VarArgsConstructorDemo.class, varArgsConstructorDemoMock);408        byte[][] varArgs = tested.newVarArgs(byteArrayOne, byteArrayTwo, byteArrayThree);409        Assert.assertEquals(1, varArgs.length);410        Assert.assertSame(byteArrayTwo, varArgs[0]);411        PowerMock.verify(VarArgsConstructorDemo.class, varArgsConstructorDemoMock);412    }413    @Test414    public void testNewWithArrayVarArgsWhenAllArgumentsAreNull() throws Exception {415        ExpectNewDemo tested = new ExpectNewDemo();416        VarArgsConstructorDemo varArgsConstructorDemoMock = PowerMock.createMock(VarArgsConstructorDemo.class);417        final byte[] byteArrayOne = null;418        final byte[] byteArrayTwo = null;419        PowerMock.expectNew(VarArgsConstructorDemo.class, byteArrayOne, byteArrayTwo).andReturn(varArgsConstructorDemoMock);420        expect(varArgsConstructorDemoMock.getByteArrays()).andReturn(new byte[][]{ byteArrayTwo });421        PowerMock.replay(VarArgsConstructorDemo.class, varArgsConstructorDemoMock);422        byte[][] varArgs = tested.newVarArgs(byteArrayOne, byteArrayTwo);423        Assert.assertEquals(1, varArgs.length);424        Assert.assertSame(byteArrayTwo, varArgs[0]);425        PowerMock.verify(VarArgsConstructorDemo.class, varArgsConstructorDemoMock);426    }427    @Test428    public void testNewWithWrongArgument() throws Exception {429        final int numberOfTimes = 2;430        final String expected = "used";431        ExpectNewDemo tested = new ExpectNewDemo();432        ExpectNewServiceUser expectNewServiceImplMock = PowerMock.createMock(ExpectNewServiceUser.class);433        Service serviceMock = PowerMock.createMock(Service.class);434        PowerMock.expectNew(ExpectNewServiceUser.class, serviceMock, numberOfTimes).andReturn(expectNewServiceImplMock);435        expect(expectNewServiceImplMock.useService()).andReturn(expected);436        PowerMock.replay(expectNewServiceImplMock, serviceMock, ExpectNewServiceUser.class);437        try {438            Assert.assertEquals(expected, tested.newWithWrongArguments(serviceMock, numberOfTimes));439            PowerMock.verify(expectNewServiceImplMock, serviceMock, ExpectNewServiceUser.class);...

Source:ExpectNewDemoUsingThePrepareEverythingAnnotationTest.java

...28import org.powermock.reflect.exceptions.ConstructorNotFoundException;29import samples.Service;30import samples.expectnew.ExpectNewDemo;31import samples.expectnew.ExpectNewServiceUser;32import samples.expectnew.VarArgsConstructorDemo;33import samples.newmocking.MyClass;34/**35 * Test class to demonstrate new instance mocking using expectNew(..) with the36 * {@link PrepareEverythingForTest} annotation and replayAll and verifyAll.37 */38@RunWith(PowerMockRunner.class)39@PrepareEverythingForTest40public class ExpectNewDemoUsingThePrepareEverythingAnnotationTest {41    @Test42    public void testNewWithCheckedException() throws Exception {43        ExpectNewDemo tested = new ExpectNewDemo();44        final String expectedFailMessage = "testing checked exception";45        expectNew(MyClass.class).andThrow(new IOException(expectedFailMessage));46        replayAll();47        try {48            tested.throwExceptionAndWrapInRunTimeWhenInvoction();49            Assert.fail("Should throw a checked Exception!");50        } catch (RuntimeException e) {51            Assert.assertTrue(((e.getCause()) instanceof IOException));52            Assert.assertEquals(expectedFailMessage, e.getMessage());53        }54        verifyAll();55    }56    @PrepareEverythingForTest57    @Test58    public void testGetMessage() throws Exception {59        ExpectNewDemo tested = new ExpectNewDemo();60        MyClass myClassMock = PowerMock.createMock(MyClass.class);61        expectNew(MyClass.class).andReturn(myClassMock);62        String expected = "Hello altered World";63        expect(myClassMock.getMessage()).andReturn("Hello altered World");64        replayAll();65        String actual = tested.getMessage();66        verifyAll();67        Assert.assertEquals("Expected and actual did not match", expected, actual);68    }69    @Test70    public void testGetMessageWithArgument() throws Exception {71        ExpectNewDemo tested = new ExpectNewDemo();72        MyClass myClassMock = PowerMock.createMock(MyClass.class);73        expectNew(MyClass.class).andReturn(myClassMock);74        String expected = "Hello altered World";75        expect(myClassMock.getMessage("test")).andReturn("Hello altered World");76        replayAll();77        String actual = tested.getMessageWithArgument();78        verifyAll();79        Assert.assertEquals("Expected and actual did not match", expected, actual);80    }81    @Test82    public void testInvokeVoidMethod() throws Exception {83        ExpectNewDemo tested = new ExpectNewDemo();84        MyClass myClassMock = PowerMock.createMock(MyClass.class);85        expectNew(MyClass.class).andReturn(myClassMock);86        myClassMock.voidMethod();87        expectLastCall().times(1);88        replayAll();89        tested.invokeVoidMethod();90        verifyAll();91    }92    @Test93    public void testNewWithRuntimeException() throws Exception {94        ExpectNewDemo tested = new ExpectNewDemo();95        final String expectedFailMessage = "testing";96        expectNew(MyClass.class).andThrow(new RuntimeException(expectedFailMessage));97        replayAll();98        try {99            tested.throwExceptionWhenInvoction();100            Assert.fail("Should throw RuntimeException!");101        } catch (RuntimeException e) {102            Assert.assertEquals(expectedFailMessage, e.getMessage());103        }104        verifyAll();105    }106    @Test107    public void testPreviousProblemsWithByteCodeManipulation() throws Exception {108        MyClass myClassMock1 = PowerMock.createMock(MyClass.class);109        expect(myClassMock1.getMessage()).andReturn("Hello");110        expect(myClassMock1.getMessage()).andReturn("World");111        replayAll();112        Assert.assertEquals("Hello", myClassMock1.getMessage());113        Assert.assertEquals("World", myClassMock1.getMessage());114        verifyAll();115    }116    @Test117    public void testMultipleNew() throws Exception {118        ExpectNewDemo tested = new ExpectNewDemo();119        MyClass myClassMock1 = PowerMock.createMock(MyClass.class);120        MyClass myClassMock2 = PowerMock.createMock(MyClass.class);121        expectNew(MyClass.class).andReturn(myClassMock1);122        expectNew(MyClass.class).andReturn(myClassMock2);123        expect(myClassMock1.getMessage()).andReturn("Hello ");124        expect(myClassMock2.getMessage()).andReturn("World");125        replayAll();126        final String actual = tested.multipleNew();127        verifyAll();128        Assert.assertEquals("Hello World", actual);129    }130    @Test131    public void testSimpleMultipleNew() throws Exception {132        ExpectNewDemo tested = new ExpectNewDemo();133        MyClass myClassMock1 = PowerMock.createMock(MyClass.class);134        expectNew(MyClass.class).andReturn(myClassMock1).times(3);135        replayAll();136        tested.simpleMultipleNew();137        verifyAll();138    }139    @Test140    public void testSimpleMultipleNew_tooManyTimesExpected() throws Exception {141        ExpectNewDemo tested = new ExpectNewDemo();142        MyClass myClassMock1 = PowerMock.createMock(MyClass.class);143        expectNew(MyClass.class).andReturn(myClassMock1).times(4);144        replayAll();145        tested.simpleMultipleNew();146        try {147            verifyAll();148            Assert.fail("Should throw AssertionError.");149        } catch (AssertionError e) {150            Assert.assertEquals(("\n  Expectation failure on verify:" + "\n    samples.newmocking.MyClass(): expected: 4, actual: 3"), e.getMessage());151        }152    }153    @Test154    public void testSimpleMultipleNew_tooFewTimesExpected() throws Exception {155        ExpectNewDemo tested = new ExpectNewDemo();156        MyClass myClassMock1 = PowerMock.createMock(MyClass.class);157        expectNew(MyClass.class).andReturn(myClassMock1).times(2);158        replayAll();159        try {160            tested.simpleMultipleNew();161            Assert.fail("Should throw AssertionError.");162        } catch (AssertionError e) {163            Assert.assertEquals(("\n  Unexpected constructor call samples.newmocking.MyClass():" + "\n    samples.newmocking.MyClass(): expected: 2, actual: 3"), e.getMessage());164        }165    }166    /**167     * Verifies that the issue168     * http://code.google.com/p/powermock/issues/detail?id=10 is solved.169     */170    @Test171    public void testSimpleMultipleNewPrivate_tooFewTimesExpected() throws Exception {172        ExpectNewDemo tested = new ExpectNewDemo();173        MyClass myClassMock1 = PowerMock.createMock(MyClass.class);174        expectNew(MyClass.class).andReturn(myClassMock1).times(2);175        replayAll();176        try {177            Whitebox.invokeMethod(tested, "simpleMultipleNewPrivate");178            Assert.fail("Should throw AssertionError.");179        } catch (AssertionError e) {180            Assert.assertEquals(("\n  Unexpected constructor call samples.newmocking.MyClass():" + "\n    samples.newmocking.MyClass(): expected: 2, actual: 3"), e.getMessage());181        }182    }183    @Test184    public void testSimpleMultipleNewPrivate_ok() throws Exception {185        ExpectNewDemo tested = new ExpectNewDemo();186        MyClass myClassMock1 = PowerMock.createMock(MyClass.class);187        expectNew(MyClass.class).andReturn(myClassMock1).times(3);188        replayAll();189        Whitebox.invokeMethod(tested, "simpleMultipleNewPrivate");190    }191    @Test192    public void testSimpleSingleNew_withOnce() throws Exception {193        ExpectNewDemo tested = new ExpectNewDemo();194        MyClass myClassMock1 = PowerMock.createMock(MyClass.class);195        expectNew(MyClass.class).andReturn(myClassMock1).once();196        replayAll();197        tested.simpleSingleNew();198        verifyAll();199    }200    @Test201    public void testSimpleSingleNew_withAtLeastOnce() throws Exception {202        ExpectNewDemo tested = new ExpectNewDemo();203        MyClass myClassMock1 = PowerMock.createMock(MyClass.class);204        expectNew(MyClass.class).andReturn(myClassMock1).atLeastOnce();205        replayAll();206        tested.simpleSingleNew();207        verifyAll();208    }209    @Test210    public void testSimpleMultipleNew_withAtLeastOnce() throws Exception {211        ExpectNewDemo tested = new ExpectNewDemo();212        MyClass myClassMock1 = PowerMock.createMock(MyClass.class);213        expectNew(MyClass.class).andReturn(myClassMock1).atLeastOnce();214        replayAll();215        tested.simpleMultipleNew();216        verifyAll();217    }218    @Test219    public void testSimpleMultipleNew_withRange_lowerBoundLessThan0() throws Exception {220        MyClass myClassMock1 = PowerMock.createMock(MyClass.class);221        try {222            expectNew(MyClass.class).andReturn(myClassMock1).times((-20), 2);223            Assert.fail("Should throw IllegalArgumentException.");224        } catch (IllegalArgumentException e) {225            Assert.assertEquals("minimum must be >= 0", e.getMessage());226        }227    }228    @Test229    public void testSimpleMultipleNew_withRange_upperBoundLessThan0() throws Exception {230        MyClass myClassMock1 = PowerMock.createMock(MyClass.class);231        try {232            expectNew(MyClass.class).andReturn(myClassMock1).times((-1), (-2));233            Assert.fail("Should throw IllegalArgumentException.");234        } catch (IllegalArgumentException e) {235            Assert.assertTrue(e.getMessage().contains("<="));236        }237    }238    @Test239    public void testSimpleMultipleNew_withRange_upperBoundLessThanLowerBound() throws Exception {240        MyClass myClassMock1 = PowerMock.createMock(MyClass.class);241        try {242            expectNew(MyClass.class).andReturn(myClassMock1).times(10, 2);243            Assert.fail("Should throw IllegalArgumentException.");244        } catch (IllegalArgumentException e) {245            Assert.assertTrue(e.getMessage().contains("<="));246        }247    }248    @Test249    public void testSimpleMultipleNew_withRange_OK() throws Exception {250        ExpectNewDemo tested = new ExpectNewDemo();251        MyClass myClassMock1 = PowerMock.createMock(MyClass.class);252        expectNew(MyClass.class).andReturn(myClassMock1).times(1, 5);253        replayAll();254        tested.simpleMultipleNew();255        verifyAll();256    }257    @Test258    public void testSimpleMultipleNew_anyTimes() throws Exception {259        ExpectNewDemo tested = new ExpectNewDemo();260        MyClass myClassMock1 = PowerMock.createMock(MyClass.class);261        expectNew(MyClass.class).andReturn(myClassMock1).anyTimes();262        replayAll();263        tested.simpleMultipleNew();264        verifyAll();265    }266    @Test267    public void testSimpleMultipleNew_withRange_notWithinRange() throws Exception {268        ExpectNewDemo tested = new ExpectNewDemo();269        MyClass myClassMock1 = PowerMock.createMock(MyClass.class);270        expectNew(MyClass.class).andReturn(myClassMock1).times(5, 7);271        replayAll();272        tested.simpleMultipleNew();273        try {274            verifyAll();275            Assert.fail("Should throw AssertionError.");276        } catch (AssertionError e) {277            Assert.assertEquals(("\n  Expectation failure on verify:" + "\n    samples.newmocking.MyClass(): expected: between 5 and 7, actual: 3"), e.getMessage());278        }279    }280    @Test281    public void testAlternativeFlow() throws Exception {282        ExpectNewDemo tested = new ExpectNewDemo();283        expectNew(DataInputStream.class, new Object[]{ null }).andThrow(new RuntimeException("error"));284        replayAll();285        InputStream stream = tested.alternativePath();286        verifyAll();287        Assert.assertNotNull("The returned inputstream should not be null.", stream);288        Assert.assertTrue("The returned inputstream should be an instance of ByteArrayInputStream.", (stream instanceof ByteArrayInputStream));289    }290    @Test291    public void testSimpleMultipleNewPrivate_tooManyTimesExpected() throws Exception {292        ExpectNewDemo tested = new ExpectNewDemo();293        MyClass myClassMock1 = PowerMock.createMock(MyClass.class);294        expectNew(MyClass.class).andReturn(myClassMock1).times(4);295        replayAll();296        try {297            Whitebox.invokeMethod(tested, "simpleMultipleNewPrivate");298            verifyAll();299            Assert.fail("Should throw an exception!.");300        } catch (AssertionError e) {301            Assert.assertEquals(("\n  Expectation failure on verify:" + "\n    samples.newmocking.MyClass(): expected: 4, actual: 3"), e.getMessage());302        }303    }304    @Test305    public void testNewWithArguments() throws Exception {306        final int numberOfTimes = 2;307        final String expected = "used";308        ExpectNewDemo tested = new ExpectNewDemo();309        ExpectNewServiceUser expectNewServiceImplMock = PowerMock.createMock(ExpectNewServiceUser.class);310        Service serviceMock = PowerMock.createMock(Service.class);311        expectNew(ExpectNewServiceUser.class, serviceMock, numberOfTimes).andReturn(expectNewServiceImplMock);312        expect(expectNewServiceImplMock.useService()).andReturn(expected);313        replayAll();314        Assert.assertEquals(expected, tested.newWithArguments(serviceMock, numberOfTimes));315        verifyAll();316    }317    @Test318    public void testNewWithVarArgs() throws Exception {319        final String firstString = "hello";320        final String secondString = "world";321        ExpectNewDemo tested = new ExpectNewDemo();322        VarArgsConstructorDemo varArgsConstructorDemoMock = PowerMock.createMock(VarArgsConstructorDemo.class);323        expectNew(VarArgsConstructorDemo.class, firstString, secondString).andReturn(varArgsConstructorDemoMock);324        expect(varArgsConstructorDemoMock.getAllMessages()).andReturn(new String[]{ firstString, secondString });325        replayAll();326        String[] varArgs = tested.newVarArgs(firstString, secondString);327        Assert.assertEquals(2, varArgs.length);328        Assert.assertEquals(firstString, varArgs[0]);329        Assert.assertEquals(secondString, varArgs[1]);330        verifyAll();331    }332    @Test333    public void testNewWhenTheExpectedConstructorIsNotFound() throws Exception {334        final Object object = new Object();335        try {336            expectNew(VarArgsConstructorDemo.class, object);337            Assert.fail("Should throw ConstructorNotFoundException!");338        } catch (ConstructorNotFoundException e) {339            Assert.assertEquals((((("No constructor found in class '" + (VarArgsConstructorDemo.class.getName())) + "' with parameter types: [ ") + (object.getClass().getName())) + " ]."), e.getMessage());340        }341    }342    @Test343    public void testNewWithVarArgsConstructorWhenOneArgumentIsOfASubType() throws Exception {344        ExpectNewDemo tested = new ExpectNewDemo();345        Service serviceMock = PowerMock.createMock(Service.class);346        VarArgsConstructorDemo varArgsConstructorDemoMock = PowerMock.createMock(VarArgsConstructorDemo.class);347        final Service serviceSubTypeInstance = new Service() {348            @Override349            public String getServiceMessage() {350                return "message";351            }352        };353        expectNew(VarArgsConstructorDemo.class, serviceSubTypeInstance, serviceMock).andReturn(varArgsConstructorDemoMock);354        expect(varArgsConstructorDemoMock.getAllServices()).andReturn(new Service[]{ serviceMock });355        replayAll();356        Service[] varArgs = tested.newVarArgs(serviceSubTypeInstance, serviceMock);357        Assert.assertEquals(1, varArgs.length);358        Assert.assertSame(serviceMock, varArgs[0]);359        verifyAll();360    }361    @Test362    public void testNewWithArrayVarArgs() throws Exception {363        ExpectNewDemo tested = new ExpectNewDemo();364        VarArgsConstructorDemo varArgsConstructorDemoMock = PowerMock.createMock(VarArgsConstructorDemo.class);365        final byte[] byteArrayOne = new byte[]{ 42 };366        final byte[] byteArrayTwo = new byte[]{ 17 };367        expectNew(VarArgsConstructorDemo.class, byteArrayOne, byteArrayTwo).andReturn(varArgsConstructorDemoMock);368        expect(varArgsConstructorDemoMock.getByteArrays()).andReturn(new byte[][]{ byteArrayOne });369        replayAll();370        byte[][] varArgs = tested.newVarArgs(byteArrayOne, byteArrayTwo);371        Assert.assertEquals(1, varArgs.length);372        Assert.assertSame(byteArrayOne, varArgs[0]);373        verifyAll();374    }375    @Test376    public void testNewWithArrayVarArgsAndMatchers() throws Exception {377        ExpectNewDemo tested = new ExpectNewDemo();378        VarArgsConstructorDemo varArgsConstructorDemoMock = PowerMock.createMock(VarArgsConstructorDemo.class);379        final byte[] byteArrayOne = new byte[]{ 42 };380        final byte[] byteArrayTwo = new byte[]{ 17 };381        expectNew(VarArgsConstructorDemo.class, aryEq(byteArrayOne), aryEq(byteArrayTwo)).andReturn(varArgsConstructorDemoMock);382        expect(varArgsConstructorDemoMock.getByteArrays()).andReturn(new byte[][]{ byteArrayOne });383        replayAll();384        byte[][] varArgs = tested.newVarArgsWithMatchers();385        Assert.assertEquals(1, varArgs.length);386        Assert.assertSame(byteArrayOne, varArgs[0]);387        verifyAll();388    }389    @Test390    public void testNewWithArrayVarArgsWhenFirstArgumentIsNullAndSubseqentArgumentsAreNotNull() throws Exception {391        ExpectNewDemo tested = new ExpectNewDemo();392        VarArgsConstructorDemo varArgsConstructorDemoMock = PowerMock.createMock(VarArgsConstructorDemo.class);393        final byte[] byteArrayOne = null;394        final byte[] byteArrayTwo = new byte[]{ 17 };395        expectNew(VarArgsConstructorDemo.class, byteArrayOne, byteArrayTwo).andReturn(varArgsConstructorDemoMock);396        expect(varArgsConstructorDemoMock.getByteArrays()).andReturn(new byte[][]{ byteArrayTwo });397        replayAll();398        byte[][] varArgs = tested.newVarArgs(byteArrayOne, byteArrayTwo);399        Assert.assertEquals(1, varArgs.length);400        Assert.assertSame(byteArrayTwo, varArgs[0]);401        verifyAll();402    }403    @Test404    public void testNewWithArrayVarArgsWhenFirstArgumentIsNotNullButSubseqentArgumentsAreNull() throws Exception {405        ExpectNewDemo tested = new ExpectNewDemo();406        VarArgsConstructorDemo varArgsConstructorDemoMock = PowerMock.createMock(VarArgsConstructorDemo.class);407        final byte[] byteArrayOne = new byte[]{ 42 };408        final byte[] byteArrayTwo = null;409        expectNew(VarArgsConstructorDemo.class, byteArrayOne, byteArrayTwo).andReturn(varArgsConstructorDemoMock);410        expect(varArgsConstructorDemoMock.getByteArrays()).andReturn(new byte[][]{ byteArrayOne });411        replayAll();412        byte[][] varArgs = tested.newVarArgs(byteArrayOne, byteArrayTwo);413        Assert.assertEquals(1, varArgs.length);414        Assert.assertSame(byteArrayOne, varArgs[0]);415        verifyAll();416    }417    @Test418    public void testNewWithArrayVarArgsWhenFirstArgumentIsNullSecondArgumentIsNotNullAndThirdArgumentIsNull() throws Exception {419        ExpectNewDemo tested = new ExpectNewDemo();420        VarArgsConstructorDemo varArgsConstructorDemoMock = PowerMock.createMock(VarArgsConstructorDemo.class);421        final byte[] byteArrayOne = null;422        final byte[] byteArrayTwo = new byte[]{ 42 };423        final byte[] byteArrayThree = null;424        expectNew(VarArgsConstructorDemo.class, byteArrayOne, byteArrayTwo, byteArrayThree).andReturn(varArgsConstructorDemoMock);425        expect(varArgsConstructorDemoMock.getByteArrays()).andReturn(new byte[][]{ byteArrayTwo });426        replayAll();427        byte[][] varArgs = tested.newVarArgs(byteArrayOne, byteArrayTwo, byteArrayThree);428        Assert.assertEquals(1, varArgs.length);429        Assert.assertSame(byteArrayTwo, varArgs[0]);430        verifyAll();431    }432    @Test433    public void testNewWithArrayVarArgsWhenAllArgumentsAreNull() throws Exception {434        ExpectNewDemo tested = new ExpectNewDemo();435        VarArgsConstructorDemo varArgsConstructorDemoMock = PowerMock.createMock(VarArgsConstructorDemo.class);436        final byte[] byteArrayOne = null;437        final byte[] byteArrayTwo = null;438        expectNew(VarArgsConstructorDemo.class, byteArrayOne, byteArrayTwo).andReturn(varArgsConstructorDemoMock);439        expect(varArgsConstructorDemoMock.getByteArrays()).andReturn(new byte[][]{ byteArrayTwo });440        replayAll();441        byte[][] varArgs = tested.newVarArgs(byteArrayOne, byteArrayTwo);442        Assert.assertEquals(1, varArgs.length);443        Assert.assertSame(byteArrayTwo, varArgs[0]);444        verifyAll();445    }446    @Test447    public void testNewWithWrongArgument() throws Exception {448        final int numberOfTimes = 2;449        final String expected = "used";450        ExpectNewDemo tested = new ExpectNewDemo();451        ExpectNewServiceUser expectNewServiceImplMock = PowerMock.createMock(ExpectNewServiceUser.class);452        Service serviceMock = PowerMock.createMock(Service.class);...

VarArgsConstructorDemo

Using AI Code Generation

1import samples.expectnew.VarArgsConstructorDemo;2{3    public static void main(String[] args)4    {5        VarArgsConstructorDemo obj = new VarArgsConstructorDemo();6        obj.varArgsMethod(10, 20, 30, 40, 50, 60);7    }8}9import samples.expectnew.VarArgsConstructorDemo;10{11    public static void main(String[] args)12    {13        VarArgsConstructorDemo obj = new VarArgsConstructorDemo();14        obj.varArgsMethod(10, 20, 30, 40, 50, 60);15    }16}17import samples.expectnew.VarArgsConstructorDemo;18{19    public static void main(String[] args)20    {21        VarArgsConstructorDemo obj = new VarArgsConstructorDemo();22        obj.varArgsMethod(10, 20, 30, 40, 50, 60);23    }24}25import samples.expectnew.VarArgsConstructorDemo;26{27    public static void main(String[] args)28    {29        VarArgsConstructorDemo obj = new VarArgsConstructorDemo();30        obj.varArgsMethod(10, 20, 30, 40, 50, 60);31    }32}33import samples.expectnew.VarArgsConstructorDemo;34{35    public static void main(String[] args)36    {37        VarArgsConstructorDemo obj = new VarArgsConstructorDemo();38        obj.varArgsMethod(10, 20, 30, 40, 50, 60);39    }40}41import samples.expectnew.VarArgsConstructorDemo;42{43    public static void main(String[] args)44    {45        VarArgsConstructorDemo obj = new VarArgsConstructorDemo();46        obj.varArgsMethod(10, 20, 30, 40, 50, 60);47    }48}

VarArgsConstructorDemo

Using AI Code Generation

1package samples.expectnew;2public class VarargsDemo {3	public static void main(String[] args) {4		VarargsDemo demo = new VarargsDemo();5		demo.print(1,2,3,4,5);6	}7	public void print(int... values) {8		for (int value : values) {9			System.out.println(value);10		}11	}12}

VarArgsConstructorDemo

Using AI Code Generation

1import samples.expectnew.VarArgsConstructorDemo;2public class VarArgsConstructorDemoTest {3    public static void main(String[] args) {4        VarArgsConstructorDemo demo = new VarArgsConstructorDemo();5        demo.printAll("Hello", "this", "is", "an", "example", "of", "varargs");6    }7}8package samples.expectnew;9public class VarArgsConstructorDemo {10    public void printAll(String... values) {11        for (String value : values) {12            System.out.println(value);13        }14    }15}16import samples.expectnew.VarArgsConstructorDemo;17public class VarArgsConstructorDemoTest {18    public static void main(String[] args) {19        VarArgsConstructorDemo demo = new VarArgsConstructorDemo();20        demo.printAll("Hello");21    }22}23import samples.expectnew.VarArgsConstructorDemo;24public class VarArgsConstructorDemoTest {25    public static void main(String[] args) {26        VarArgsConstructorDemo demo = new VarArgsConstructorDemo();27        demo.printAll();28    }29}30import samples.expectnew.VarArgsConstructorDemo;31public class VarArgsConstructorDemoTest {32    public static void main(String[] args) {33        VarArgsConstructorDemo demo = new VarArgsConstructorDemo();34        demo.printAll(null);35    }36}37import samples.expectnew.VarArgsConstructorDemo;38public class VarArgsConstructorDemoTest {39    public static void main(String[] args) {40        VarArgsConstructorDemo demo = new VarArgsConstructorDemo();41        demo.printAll(null, "Hello", "this", "is", "an", "example", "of", "varargs");42    }43}

VarArgsConstructorDemo

Using AI Code Generation

1import samples.expectnew.*;2public class VarArgsConstructorDemoTest {3	public static void main(String[] args) {4		VarArgsConstructorDemo v = new VarArgsConstructorDemo();5		v.method1(2, 3, 4);6		v.method2(2, 3, 4);7	}8}9The VarArgsConstructorDemoTest class has a main method and also imports the VarArgsConstructorDemo class from the samples.expectnew package. The main method creates an object

VarArgsConstructorDemo

Using AI Code Generation

1package samples.expectnew;2import java.util.*;3public class VarArgsConstructorDemo{4    public static void main(String[] args){5        VarArgs va = new VarArgs();6        va.test(10,20,30,40,50);7        va.test(10,20);8        va.test(10);9        va.test();10    }11}12package samples.expectnew;13public class VarArgs{14    public void test(int... x){15        System.out.println("Number of arguments: "+x.length);16        for(int i=0;i<x.length;i++){17            System.out.println("Argument "+(i+1)+": "+x[i]);18        }19        System.out.println();20    }21}22The method test() of the class

VarArgsConstructorDemo

Using AI Code Generation

1import samples.expectnew.VarArgsConstructorDemo;2public class VarArgsConstructorDemoTest {3	public static void main(String[] args) {4		VarArgsConstructorDemo.printStrings("Hello", "world");5		VarArgsConstructorDemo.printStrings("Hello", "world", "!");6		VarArgsConstructorDemo.printStrings("Hello", "world", "!", "!");7	}8}

Automation Testing Tutorials

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