Best Powermock code snippet using samples.expectnew.MultiConstructor
Source:WhenNewCases.java  
...33import samples.expectnew.ExpectNewDemo;34import samples.expectnew.ExpectNewServiceUser;35import samples.expectnew.ExpectNewWithMultipleCtorDemo;36import samples.expectnew.ITarget;37import samples.expectnew.MultiConstructor;38import samples.expectnew.SimpleVarArgsConstructorDemo;39import samples.expectnew.Target;40import samples.expectnew.VarArgsConstructorDemo;41import samples.newmocking.MyClass;42/**43 * Test class to demonstrate new instance mocking using whenConstructionOf(..).44 */45@PrepareForTest({ MyClass.class, ExpectNewDemo.class, ClassWithInnerMembers.class, DataInputStream.class, WhenNewCases.class, Target.class, MultiConstructor.class })46public class WhenNewCases {47    public static final String TARGET_NAME = "MyTarget";48    public static final int TARGET_ID = 1;49    public static final String UNKNOWN_TARGET_NAME = "Unknown2";50    public static final int UNKNOWN_TARGET_ID = -11;51    @Rule52    public ExpectedException expectedException = ExpectedException.none();53    @Test54    public void testStaticMemberClassMockingWorksWithNoConstructorArguments() throws Exception {55        Class<Object> innerClassType = Whitebox.getInnerClassType(ClassWithInnerMembers.class, "MyInnerClass");56        Object mockMyInnerClass = mock(innerClassType);57        whenNew(innerClassType).withNoArguments().thenReturn(mockMyInnerClass);58        doReturn("something else").when(mockMyInnerClass, "doStuff");59        Assert.assertEquals("something else", new ClassWithInnerMembers().getValue());60    }61    @Test62    public void testStaticMemberClassMockingWorksWithConstructorArguments() throws Exception {63        Class<Object> innerClassType = Whitebox.getInnerClassType(ClassWithInnerMembers.class, "StaticInnerClassWithConstructorArgument");64        Object mockMyInnerClass = mock(innerClassType);65        whenNew(innerClassType).withArguments("value").thenReturn(mockMyInnerClass);66        doReturn("something else").when(mockMyInnerClass, "doStuff");67        Assert.assertEquals("something else", new ClassWithInnerMembers().getValueForStaticInnerClassWithConstructorArgument());68    }69    @Test70    public void testLocalClassMockingWorksWithNoConstructorArguments() throws Exception {71        Class<Object> innerClassType = Whitebox.getLocalClassType(ClassWithInnerMembers.class, 1, "MyLocalClass");72        Object mockMyInnerClass = mock(innerClassType);73        whenNew(innerClassType).withNoArguments().thenReturn(mockMyInnerClass);74        doReturn("something else").when(mockMyInnerClass, "doStuff");75        Assert.assertEquals("something else", new ClassWithInnerMembers().getLocalClassValue());76    }77    @Test78    public void testLocalClassMockingWorksWithConstructorArguments() throws Exception {79        Class<Object> innerClassType = Whitebox.getLocalClassType(ClassWithInnerMembers.class, 2, "MyLocalClass");80        Object mockMyInnerClass = mock(innerClassType);81        whenNew(innerClassType).withArguments("my value").thenReturn(mockMyInnerClass);82        doReturn("something else").when(mockMyInnerClass, "doStuff");83        Assert.assertEquals("something else", new ClassWithInnerMembers().getLocalClassValueWithArgument());84    }85    @Test86    public void testNonStaticMemberClassMockingWorksWithArguments() throws Exception {87        Class<Object> innerClassType = Whitebox.getInnerClassType(ClassWithInnerMembers.class, "MyInnerClassWithConstructorArgument");88        Object mockMyInnerClass = mock(innerClassType);89        whenNew(innerClassType).withArguments("value").thenReturn(mockMyInnerClass);90        doReturn("something else").when(mockMyInnerClass, "doStuff");91        Assert.assertEquals("something else", new ClassWithInnerMembers().getValueForInnerClassWithConstructorArgument());92    }93    @Test94    public void testNewInnerWithDiffParams() throws Exception {95        ClassWithInnerMembers outerClass = new ClassWithInnerMembers();96        MyInnerClassWithPrivateConstructorWithDiffMultArgs mockMyInnerClassWithPrivateConstructorWithDiffMultArgs = mock(MyInnerClassWithPrivateConstructorWithDiffMultArgs.class);97        whenNew(MyInnerClassWithPrivateConstructorWithDiffMultArgs.class).withArguments(null, 2, "3").thenReturn(mockMyInnerClassWithPrivateConstructorWithDiffMultArgs);98        Assert.assertEquals("Expected and actual did not match", mockMyInnerClassWithPrivateConstructorWithDiffMultArgs, outerClass.makeMyInnerClassWithPrivateConstructorWithDiffMultArgs(null, 2, "3"));99    }100    @Test101    public void testNewInnerWithNoNullParams() throws Exception {102        ClassWithInnerMembers outerClass = new ClassWithInnerMembers();103        MyInnerClassWithPublicConstructorWithMultArgs mockMyInnerClassWithPublicConstructorWithMultArgs = mock(MyInnerClassWithPublicConstructorWithMultArgs.class);104        MyInnerClassWithProtectedConstructorWithMultArgs mockMyInnerClassWithProtectedConstructorWithMultArgs = mock(MyInnerClassWithProtectedConstructorWithMultArgs.class);105        MyInnerClassWithPackageConstructorWithMultArgs mockMyInnerClassWithPackageConstructorWithMultArgs = mock(MyInnerClassWithPackageConstructorWithMultArgs.class);106        MyInnerClassWithPrivateConstructorWithMultArgs mockMyInnerClassWithPrivateConstructorWithMultArgs = mock(MyInnerClassWithPrivateConstructorWithMultArgs.class);107        whenNew(MyInnerClassWithPublicConstructorWithMultArgs.class).withArguments("1", "2", "3").thenReturn(mockMyInnerClassWithPublicConstructorWithMultArgs);108        whenNew(MyInnerClassWithProtectedConstructorWithMultArgs.class).withArguments("1", "2", "3").thenReturn(mockMyInnerClassWithProtectedConstructorWithMultArgs);109        whenNew(MyInnerClassWithPackageConstructorWithMultArgs.class).withArguments("1", "2", "3").thenReturn(mockMyInnerClassWithPackageConstructorWithMultArgs);110        whenNew(MyInnerClassWithPrivateConstructorWithMultArgs.class).withArguments("1", "2", "3").thenReturn(mockMyInnerClassWithPrivateConstructorWithMultArgs);111        Assert.assertEquals("Expected and actual did not match", mockMyInnerClassWithPublicConstructorWithMultArgs, outerClass.makeMyInnerClassWithPublicConstructorWithMultArgs("1", "2", "3"));112        Assert.assertEquals("Expected and actual did not match", mockMyInnerClassWithProtectedConstructorWithMultArgs, outerClass.makeMyInnerClassWithProtectedConstructorWithMultArgs("1", "2", "3"));113        Assert.assertEquals("Expected and actual did not match", mockMyInnerClassWithPackageConstructorWithMultArgs, outerClass.makeMyInnerClassWithPackageConstructorWithMultArgs("1", "2", "3"));114        Assert.assertEquals("Expected and actual did not match", mockMyInnerClassWithPrivateConstructorWithMultArgs, outerClass.makeMyInnerClassWithPrivateConstructorWithMultArgs("1", "2", "3"));115    }116    @Test117    public void testNewInnerWithMiddleParamNull() throws Exception {118        ClassWithInnerMembers outerClass = new ClassWithInnerMembers();119        MyInnerClassWithPublicConstructorWithMultArgs mockMyInnerClassWithPublicConstructorWithMultArgs = mock(MyInnerClassWithPublicConstructorWithMultArgs.class);120        MyInnerClassWithProtectedConstructorWithMultArgs mockMyInnerClassWithProtectedConstructorWithMultArgs = mock(MyInnerClassWithProtectedConstructorWithMultArgs.class);121        MyInnerClassWithPackageConstructorWithMultArgs mockMyInnerClassWithPackageConstructorWithMultArgs = mock(MyInnerClassWithPackageConstructorWithMultArgs.class);122        MyInnerClassWithPrivateConstructorWithMultArgs mockMyInnerClassWithPrivateConstructorWithMultArgs = mock(MyInnerClassWithPrivateConstructorWithMultArgs.class);123        whenNew(MyInnerClassWithPublicConstructorWithMultArgs.class).withArguments("1", null, "3").thenReturn(mockMyInnerClassWithPublicConstructorWithMultArgs);124        whenNew(MyInnerClassWithProtectedConstructorWithMultArgs.class).withArguments("1", null, "3").thenReturn(mockMyInnerClassWithProtectedConstructorWithMultArgs);125        whenNew(MyInnerClassWithPackageConstructorWithMultArgs.class).withArguments("1", null, "3").thenReturn(mockMyInnerClassWithPackageConstructorWithMultArgs);126        whenNew(MyInnerClassWithPrivateConstructorWithMultArgs.class).withArguments("1", null, "3").thenReturn(mockMyInnerClassWithPrivateConstructorWithMultArgs);127        Assert.assertEquals("Expected and actual did not match", mockMyInnerClassWithPublicConstructorWithMultArgs, outerClass.makeMyInnerClassWithPublicConstructorWithMultArgs("1", null, "3"));128        Assert.assertEquals("Expected and actual did not match", mockMyInnerClassWithProtectedConstructorWithMultArgs, outerClass.makeMyInnerClassWithProtectedConstructorWithMultArgs("1", null, "3"));129        Assert.assertEquals("Expected and actual did not match", mockMyInnerClassWithPackageConstructorWithMultArgs, outerClass.makeMyInnerClassWithPackageConstructorWithMultArgs("1", null, "3"));130        Assert.assertEquals("Expected and actual did not match", mockMyInnerClassWithPrivateConstructorWithMultArgs, outerClass.makeMyInnerClassWithPrivateConstructorWithMultArgs("1", null, "3"));131    }132    @Test133    public void testNewInnerWithFirstParamNull() throws Exception {134        ClassWithInnerMembers outerClass = new ClassWithInnerMembers();135        MyInnerClassWithPublicConstructorWithMultArgs mockMyInnerClassWithPublicConstructorWithMultArgs = mock(MyInnerClassWithPublicConstructorWithMultArgs.class);136        MyInnerClassWithProtectedConstructorWithMultArgs mockMyInnerClassWithProtectedConstructorWithMultArgs = mock(MyInnerClassWithProtectedConstructorWithMultArgs.class);137        MyInnerClassWithPackageConstructorWithMultArgs mockMyInnerClassWithPackageConstructorWithMultArgs = mock(MyInnerClassWithPackageConstructorWithMultArgs.class);138        MyInnerClassWithPrivateConstructorWithMultArgs mockMyInnerClassWithPrivateConstructorWithMultArgs = mock(MyInnerClassWithPrivateConstructorWithMultArgs.class);139        whenNew(MyInnerClassWithPublicConstructorWithMultArgs.class).withArguments(null, "2", "3").thenReturn(mockMyInnerClassWithPublicConstructorWithMultArgs);140        whenNew(MyInnerClassWithProtectedConstructorWithMultArgs.class).withArguments(null, "2", "3").thenReturn(mockMyInnerClassWithProtectedConstructorWithMultArgs);141        whenNew(MyInnerClassWithPackageConstructorWithMultArgs.class).withArguments(null, "2", "3").thenReturn(mockMyInnerClassWithPackageConstructorWithMultArgs);142        whenNew(MyInnerClassWithPrivateConstructorWithMultArgs.class).withArguments(null, "2", "3").thenReturn(mockMyInnerClassWithPrivateConstructorWithMultArgs);143        Assert.assertEquals("Expected and actual did not match", mockMyInnerClassWithPublicConstructorWithMultArgs, outerClass.makeMyInnerClassWithPublicConstructorWithMultArgs(null, "2", "3"));144        Assert.assertEquals("Expected and actual did not match", mockMyInnerClassWithProtectedConstructorWithMultArgs, outerClass.makeMyInnerClassWithProtectedConstructorWithMultArgs(null, "2", "3"));145        Assert.assertEquals("Expected and actual did not match", mockMyInnerClassWithPackageConstructorWithMultArgs, outerClass.makeMyInnerClassWithPackageConstructorWithMultArgs(null, "2", "3"));146        Assert.assertEquals("Expected and actual did not match", mockMyInnerClassWithPrivateConstructorWithMultArgs, outerClass.makeMyInnerClassWithPrivateConstructorWithMultArgs(null, "2", "3"));147    }148    @Test149    public void testNewInnerWithLastParamNull() throws Exception {150        ClassWithInnerMembers outerClass = new ClassWithInnerMembers();151        MyInnerClassWithPublicConstructorWithMultArgs mockMyInnerClassWithPublicConstructorWithMultArgs = mock(MyInnerClassWithPublicConstructorWithMultArgs.class);152        MyInnerClassWithProtectedConstructorWithMultArgs mockMyInnerClassWithProtectedConstructorWithMultArgs = mock(MyInnerClassWithProtectedConstructorWithMultArgs.class);153        MyInnerClassWithPackageConstructorWithMultArgs mockMyInnerClassWithPackageConstructorWithMultArgs = mock(MyInnerClassWithPackageConstructorWithMultArgs.class);154        MyInnerClassWithPrivateConstructorWithMultArgs mockMyInnerClassWithPrivateConstructorWithMultArgs = mock(MyInnerClassWithPrivateConstructorWithMultArgs.class);155        whenNew(MyInnerClassWithPublicConstructorWithMultArgs.class).withArguments("1", "2", null).thenReturn(mockMyInnerClassWithPublicConstructorWithMultArgs);156        whenNew(MyInnerClassWithProtectedConstructorWithMultArgs.class).withArguments("1", "2", null).thenReturn(mockMyInnerClassWithProtectedConstructorWithMultArgs);157        whenNew(MyInnerClassWithPackageConstructorWithMultArgs.class).withArguments("1", "2", null).thenReturn(mockMyInnerClassWithPackageConstructorWithMultArgs);158        whenNew(MyInnerClassWithPrivateConstructorWithMultArgs.class).withArguments("1", "2", null).thenReturn(mockMyInnerClassWithPrivateConstructorWithMultArgs);159        Assert.assertEquals("Expected and actual did not match", mockMyInnerClassWithPublicConstructorWithMultArgs, outerClass.makeMyInnerClassWithPublicConstructorWithMultArgs("1", "2", null));160        Assert.assertEquals("Expected and actual did not match", mockMyInnerClassWithProtectedConstructorWithMultArgs, outerClass.makeMyInnerClassWithProtectedConstructorWithMultArgs("1", "2", null));161        Assert.assertEquals("Expected and actual did not match", mockMyInnerClassWithPackageConstructorWithMultArgs, outerClass.makeMyInnerClassWithPackageConstructorWithMultArgs("1", "2", null));162        Assert.assertEquals("Expected and actual did not match", mockMyInnerClassWithPrivateConstructorWithMultArgs, outerClass.makeMyInnerClassWithPrivateConstructorWithMultArgs("1", "2", null));163    }164    @Test165    public void testNewWithCheckedException() throws Exception {166        ExpectNewDemo tested = new ExpectNewDemo();167        final String expectedFailMessage = "testing checked exception";168        whenNew(MyClass.class).withNoArguments().thenThrow(new IOException(expectedFailMessage));169        try {170            tested.throwExceptionAndWrapInRunTimeWhenInvoction();171            Assert.fail("Should throw a checked Exception!");172        } catch (RuntimeException e) {173            Assert.assertTrue(((e.getCause()) instanceof IOException));174            Assert.assertEquals(expectedFailMessage, e.getMessage());175        }176        verifyNew(MyClass.class).withNoArguments();177    }178    @Test179    public void testGetMessage() throws Exception {180        ExpectNewDemo tested = new ExpectNewDemo();181        MyClass myClassMock = mock(MyClass.class);182        whenNew(MyClass.class).withNoArguments().thenReturn(myClassMock);183        String expected = "Hello altered World";184        when(myClassMock.getMessage()).thenReturn("Hello altered World");185        String actual = tested.getMessage();186        Mockito.verify(myClassMock).getMessage();187        verifyNew(MyClass.class).withNoArguments();188        Assert.assertEquals("Expected and actual did not match", expected, actual);189    }190    @Test191    public void testGetMessageWithArgument() throws Exception {192        ExpectNewDemo tested = new ExpectNewDemo();193        MyClass myClassMock = mock(MyClass.class);194        whenNew(MyClass.class).withNoArguments().thenReturn(myClassMock);195        String expected = "Hello altered World";196        when(myClassMock.getMessage("test")).thenReturn("Hello altered World");197        String actual = tested.getMessageWithArgument();198        Mockito.verify(myClassMock).getMessage("test");199        verifyNew(MyClass.class).withNoArguments();200        Assert.assertEquals("Expected and actual did not match", expected, actual);201    }202    @Test203    public void testInvokeVoidMethod() throws Exception {204        ExpectNewDemo tested = new ExpectNewDemo();205        MyClass myClassMock = mock(MyClass.class);206        whenNew(MyClass.class).withNoArguments().thenReturn(myClassMock);207        Mockito.doNothing().when(myClassMock).voidMethod();208        tested.invokeVoidMethod();209        Mockito.verify(myClassMock).voidMethod();210        verifyNew(MyClass.class).withNoArguments();211    }212    @Test213    public void testNewWithRuntimeException() throws Exception {214        ExpectNewDemo tested = new ExpectNewDemo();215        final String expectedFailMessage = "testing";216        whenNew(MyClass.class).withNoArguments().thenThrow(new RuntimeException(expectedFailMessage));217        try {218            tested.throwExceptionWhenInvoction();219            Assert.fail("Should throw RuntimeException!");220        } catch (RuntimeException e) {221            Assert.assertEquals(expectedFailMessage, e.getMessage());222        }223        verifyNew(MyClass.class).withNoArguments();224    }225    @Test226    public void testMultipleNew() throws Exception {227        ExpectNewDemo tested = new ExpectNewDemo();228        MyClass myClassMock = mock(MyClass.class);229        whenNew(MyClass.class).withNoArguments().thenReturn(myClassMock);230        when(myClassMock.getMessage()).thenReturn("Hello");231        final String actual = tested.multipleNew();232        Mockito.verify(myClassMock, Mockito.times(2)).getMessage();233        verifyNew(MyClass.class, Mockito.times(2)).withNoArguments();234        Assert.assertEquals("HelloHello", actual);235    }236    @Test237    public void testSimpleMultipleNew() throws Exception {238        ExpectNewDemo tested = new ExpectNewDemo();239        MyClass myClassMock = mock(MyClass.class);240        whenNew(MyClass.class).withNoArguments().thenReturn(myClassMock);241        tested.simpleMultipleNew();242        verifyNew(MyClass.class, Mockito.times(3)).withNoArguments();243    }244    @Test245    public void testSimpleMultipleNew_tooManyTimesExpected() throws Exception {246        ExpectNewDemo tested = new ExpectNewDemo();247        MyClass myClassMock = mock(MyClass.class);248        whenNew(MyClass.class).withNoArguments().thenReturn(myClassMock);249        tested.simpleMultipleNew();250        try {251            verifyNew(MyClass.class, Mockito.times(4)).withNoArguments();252            Assert.fail("Should throw AssertionError.");253        } catch (AssertionError e) {254            Assert.assertEquals("samples.newmocking.MyClass();\nWanted 4 times but was 3 times.", e.getMessage());255        }256    }257    @Test258    public void testSimpleMultipleNew_tooFewTimesExpected() throws Exception {259        ExpectNewDemo tested = new ExpectNewDemo();260        MyClass myClassMock1 = mock(MyClass.class);261        whenNew(MyClass.class).withNoArguments().thenReturn(myClassMock1);262        tested.simpleMultipleNew();263        try {264            verifyNew(MyClass.class, Mockito.times(1)).withNoArguments();265            Assert.fail("Should throw AssertionError.");266        } catch (AssertionError e) {267            Assert.assertEquals("samples.newmocking.MyClass();\nWanted 1 time but was 3 times.", e.getMessage());268        }269    }270    /**271     * Verifies that the issue272     * http://code.google.com/p/powermock/issues/detail?id=10 is solved.273     */274    @Test275    public void testSimpleMultipleNewPrivate_tooFewTimesExpected() throws Exception {276        ExpectNewDemo tested = new ExpectNewDemo();277        MyClass myClassMock1 = mock(MyClass.class);278        whenNew(MyClass.class).withNoArguments().thenReturn(myClassMock1);279        Whitebox.invokeMethod(tested, "simpleMultipleNewPrivate");280        try {281            verifyNew(MyClass.class, Mockito.times(2)).withNoArguments();282            Assert.fail("Should throw AssertionError.");283        } catch (AssertionError e) {284            Assert.assertEquals("samples.newmocking.MyClass();\nWanted 2 times but was 3 times.", e.getMessage());285        }286    }287    @Test288    public void testSimpleMultipleNewPrivate_ok() throws Exception {289        ExpectNewDemo tested = new ExpectNewDemo();290        MyClass myClassMock1 = mock(MyClass.class);291        whenNew(MyClass.class).withNoArguments().thenReturn(myClassMock1);292        Whitebox.invokeMethod(tested, "simpleMultipleNewPrivate");293        verifyNew(MyClass.class, Mockito.times(3)).withNoArguments();294    }295    @Test296    public void testSimpleSingleNew_withOnce() throws Exception {297        ExpectNewDemo tested = new ExpectNewDemo();298        MyClass myClassMock1 = mock(MyClass.class);299        whenNew(MyClass.class).withNoArguments().thenReturn(myClassMock1);300        tested.simpleSingleNew();301        verifyNew(MyClass.class).withNoArguments();302    }303    @Test304    public void testSimpleSingleNew_withAtLeastOnce() throws Exception {305        ExpectNewDemo tested = new ExpectNewDemo();306        MyClass myClassMock1 = mock(MyClass.class);307        whenNew(MyClass.class).withNoArguments().thenReturn(myClassMock1);308        tested.simpleSingleNew();309        verifyNew(MyClass.class, Mockito.atLeastOnce()).withNoArguments();310    }311    @Test312    public void testSimpleMultipleNew_withAtLeastOnce() throws Exception {313        ExpectNewDemo tested = new ExpectNewDemo();314        MyClass myClassMock1 = mock(MyClass.class);315        whenNew(MyClass.class).withNoArguments().thenReturn(myClassMock1);316        tested.simpleMultipleNew();317        verifyNew(MyClass.class, Mockito.atLeastOnce()).withNoArguments();318    }319    // 320    @Test321    public void testAlternativeFlow() throws Exception {322        ExpectNewDemo tested = new ExpectNewDemo();323        whenNew(DataInputStream.class).withArguments(null).thenThrow(new RuntimeException("error"));324        InputStream stream = tested.alternativePath();325        verifyNew(DataInputStream.class).withArguments(null);326        Assert.assertNotNull("The returned inputstream should not be null.", stream);327        Assert.assertTrue("The returned inputstream should be an instance of ByteArrayInputStream.", (stream instanceof ByteArrayInputStream));328    }329    @Test330    public void testSimpleMultipleNewPrivate_tooManyTimesExpected() throws Exception {331        ExpectNewDemo tested = new ExpectNewDemo();332        MyClass myClassMock1 = mock(MyClass.class);333        whenNew(MyClass.class).withNoArguments().thenReturn(myClassMock1);334        Whitebox.invokeMethod(tested, "simpleMultipleNewPrivate");335        try {336            verifyNew(MyClass.class, Mockito.times(4)).withNoArguments();337            Assert.fail("Should throw an exception!.");338        } catch (AssertionError e) {339            Assert.assertEquals("samples.newmocking.MyClass();\nWanted 4 times but was 3 times.", e.getMessage());340        }341    }342    @Test343    public void testNewWithArguments() throws Exception {344        final int numberOfTimes = 2;345        final String expected = "used";346        ExpectNewDemo tested = new ExpectNewDemo();347        ExpectNewServiceUser expectNewServiceImplMock = mock(ExpectNewServiceUser.class);348        Service serviceMock = mock(Service.class);349        whenNew(ExpectNewServiceUser.class).withArguments(serviceMock, numberOfTimes).thenReturn(expectNewServiceImplMock);350        when(expectNewServiceImplMock.useService()).thenReturn(expected);351        Assert.assertEquals(expected, tested.newWithArguments(serviceMock, numberOfTimes));352        verifyNew(ExpectNewServiceUser.class).withArguments(serviceMock, numberOfTimes);353    }354    @Test355    public void testNewWithParameterTypesAndArguments() throws Exception {356        final int numberOfTimes = 2;357        final String expected = "used";358        ExpectNewDemo tested = new ExpectNewDemo();359        ExpectNewServiceUser expectNewServiceImplMock = mock(ExpectNewServiceUser.class);360        Service serviceMock = mock(Service.class);361        whenNew(ExpectNewServiceUser.class).withParameterTypes(Service.class, int.class).withArguments(serviceMock, numberOfTimes).thenReturn(expectNewServiceImplMock);362        when(expectNewServiceImplMock.useService()).thenReturn(expected);363        Assert.assertEquals(expected, tested.newWithArguments(serviceMock, numberOfTimes));364        verifyNew(ExpectNewServiceUser.class).withArguments(serviceMock, numberOfTimes);365    }366    @Test367    public void testNewWithConstructorUsingParameterTypesAndArguments() throws Exception {368        final int numberOfTimes = 2;369        final String expected = "used";370        ExpectNewDemo tested = new ExpectNewDemo();371        ExpectNewServiceUser expectNewServiceImplMock = mock(ExpectNewServiceUser.class);372        Service serviceMock = mock(Service.class);373        whenNew(constructor(ExpectNewServiceUser.class, Service.class, int.class)).withArguments(serviceMock, numberOfTimes).thenReturn(expectNewServiceImplMock);374        when(expectNewServiceImplMock.useService()).thenReturn(expected);375        Assert.assertEquals(expected, tested.newWithArguments(serviceMock, numberOfTimes));376        verifyNew(ExpectNewServiceUser.class).withArguments(serviceMock, numberOfTimes);377    }378    @Test379    public void testNewUsingConstructorWithArguments() throws Exception {380        final int numberOfTimes = 2;381        final String expected = "used";382        ExpectNewDemo tested = new ExpectNewDemo();383        ExpectNewServiceUser expectNewServiceImplMock = mock(ExpectNewServiceUser.class);384        Service serviceMock = mock(Service.class);385        whenNew(constructor(ExpectNewServiceUser.class)).withArguments(serviceMock, numberOfTimes).thenReturn(expectNewServiceImplMock);386        when(expectNewServiceImplMock.useService()).thenReturn(expected);387        Assert.assertEquals(expected, tested.newWithArguments(serviceMock, numberOfTimes));388        verifyNew(ExpectNewServiceUser.class).withArguments(serviceMock, numberOfTimes);389    }390    @Test391    public void testNewWithVarArgs() throws Exception {392        final String firstString = "hello";393        final String secondString = "world";394        ExpectNewDemo tested = new ExpectNewDemo();395        VarArgsConstructorDemo varArgsConstructorDemoMock = mock(VarArgsConstructorDemo.class);396        whenNew(VarArgsConstructorDemo.class).withArguments(firstString, secondString).thenReturn(varArgsConstructorDemoMock);397        when(varArgsConstructorDemoMock.getAllMessages()).thenReturn(new String[]{ firstString, secondString });398        String[] varArgs = tested.newVarArgs(firstString, secondString);399        Assert.assertEquals(2, varArgs.length);400        Assert.assertEquals(firstString, varArgs[0]);401        Assert.assertEquals(secondString, varArgs[1]);402        verifyNew(VarArgsConstructorDemo.class).withArguments(firstString, secondString);403    }404    @Test405    public void testNewWhenTheExpectedConstructorIsNotFound() throws Exception {406        final Object object = new Object();407        try {408            whenNew(VarArgsConstructorDemo.class).withArguments(object);409            Assert.fail("Should throw ConstructorNotFoundException!");410        } catch (ConstructorNotFoundException e) {411            Assert.assertEquals((((("No constructor found in class '" + (VarArgsConstructorDemo.class.getName())) + "' with parameter types: [ ") + (object.getClass().getName())) + " ]."), e.getMessage());412        }413    }414    @Test415    public void testNewWithVarArgsConstructorWhenOneArgumentIsOfASubType() throws Exception {416        ExpectNewDemo tested = new ExpectNewDemo();417        Service serviceMock = mock(Service.class);418        VarArgsConstructorDemo varArgsConstructorDemoMock = mock(VarArgsConstructorDemo.class);419        final Service serviceSubTypeInstance = new Service() {420            public String getServiceMessage() {421                return "message";422            }423        };424        whenNew(VarArgsConstructorDemo.class).withArguments(serviceSubTypeInstance, serviceMock).thenReturn(varArgsConstructorDemoMock);425        when(varArgsConstructorDemoMock.getAllServices()).thenReturn(new Service[]{ serviceMock });426        Service[] varArgs = tested.newVarArgs(serviceSubTypeInstance, serviceMock);427        Assert.assertEquals(1, varArgs.length);428        Assert.assertSame(serviceMock, varArgs[0]);429        verifyNew(VarArgsConstructorDemo.class).withArguments(serviceSubTypeInstance, serviceMock);430    }431    @Test432    public void testNewWithArrayVarArgs() throws Exception {433        ExpectNewDemo tested = new ExpectNewDemo();434        VarArgsConstructorDemo varArgsConstructorDemoMock = mock(VarArgsConstructorDemo.class);435        final byte[] byteArrayOne = new byte[]{ 42 };436        final byte[] byteArrayTwo = new byte[]{ 17 };437        whenNew(VarArgsConstructorDemo.class).withArguments(byteArrayOne, byteArrayTwo).thenReturn(varArgsConstructorDemoMock);438        when(varArgsConstructorDemoMock.getByteArrays()).thenReturn(new byte[][]{ byteArrayOne });439        byte[][] varArgs = tested.newVarArgs(byteArrayOne, byteArrayTwo);440        Assert.assertEquals(1, varArgs.length);441        Assert.assertSame(byteArrayOne, varArgs[0]);442        verifyNew(VarArgsConstructorDemo.class).withArguments(byteArrayOne, byteArrayTwo);443    }444    @Test445    public void testNewWithArrayVarArgsAndMatchers() throws Exception {446        ExpectNewDemo tested = new ExpectNewDemo();447        VarArgsConstructorDemo varArgsConstructorDemoMock = mock(VarArgsConstructorDemo.class);448        final byte[] byteArrayOne = new byte[]{ 42 };449        final byte[] byteArrayTwo = new byte[]{ 17 };450        whenNew(VarArgsConstructorDemo.class).withArguments(byteArrayOne, byteArrayTwo).thenReturn(varArgsConstructorDemoMock);451        when(varArgsConstructorDemoMock.getByteArrays()).thenReturn(new byte[][]{ byteArrayOne });452        byte[][] varArgs = tested.newVarArgsWithMatchers();453        Assert.assertEquals(1, varArgs.length);454        Assert.assertSame(byteArrayOne, varArgs[0]);455        verifyNew(VarArgsConstructorDemo.class).withArguments(byteArrayOne, byteArrayTwo);456    }457    @Test458    public void testNewWithArrayVarArgsWhenFirstArgumentIsNullAndSubseqentArgumentsAreNotNull() throws Exception {459        ExpectNewDemo tested = new ExpectNewDemo();460        VarArgsConstructorDemo varArgsConstructorDemoMock = mock(VarArgsConstructorDemo.class);461        final byte[] byteArrayOne = null;462        final byte[] byteArrayTwo = new byte[]{ 17 };463        whenNew(VarArgsConstructorDemo.class).withArguments(byteArrayOne, byteArrayTwo).thenReturn(varArgsConstructorDemoMock);464        when(varArgsConstructorDemoMock.getByteArrays()).thenReturn(new byte[][]{ byteArrayTwo });465        byte[][] varArgs = tested.newVarArgs(byteArrayOne, byteArrayTwo);466        Assert.assertEquals(1, varArgs.length);467        Assert.assertSame(byteArrayTwo, varArgs[0]);468        verifyNew(VarArgsConstructorDemo.class).withArguments(byteArrayOne, byteArrayTwo);469    }470    @Test471    public void testNewWithArrayVarArgsWhenFirstArgumentIsNotNullButSubseqentArgumentsAreNull() throws Exception {472        ExpectNewDemo tested = new ExpectNewDemo();473        VarArgsConstructorDemo varArgsConstructorDemoMock = mock(VarArgsConstructorDemo.class);474        final byte[] byteArrayOne = new byte[]{ 42 };475        final byte[] byteArrayTwo = null;476        whenNew(VarArgsConstructorDemo.class).withArguments(byteArrayOne, byteArrayTwo).thenReturn(varArgsConstructorDemoMock);477        when(varArgsConstructorDemoMock.getByteArrays()).thenReturn(new byte[][]{ byteArrayOne });478        byte[][] varArgs = tested.newVarArgs(byteArrayOne, byteArrayTwo);479        Assert.assertEquals(1, varArgs.length);480        Assert.assertSame(byteArrayOne, varArgs[0]);481        verifyNew(VarArgsConstructorDemo.class).withArguments(byteArrayOne, byteArrayTwo);482    }483    @Test484    public void testNewWithArrayVarArgsWhenFirstArgumentIsNullSecondArgumentIsNotNullAndThirdArgumentIsNull() throws Exception {485        ExpectNewDemo tested = new ExpectNewDemo();486        VarArgsConstructorDemo varArgsConstructorDemoMock = mock(VarArgsConstructorDemo.class);487        final byte[] byteArrayOne = null;488        final byte[] byteArrayTwo = new byte[]{ 42 };489        final byte[] byteArrayThree = null;490        whenNew(VarArgsConstructorDemo.class).withArguments(byteArrayOne, byteArrayTwo, byteArrayThree).thenReturn(varArgsConstructorDemoMock);491        when(varArgsConstructorDemoMock.getByteArrays()).thenReturn(new byte[][]{ byteArrayTwo });492        byte[][] varArgs = tested.newVarArgs(byteArrayOne, byteArrayTwo, byteArrayThree);493        Assert.assertEquals(1, varArgs.length);494        Assert.assertSame(byteArrayTwo, varArgs[0]);495        verifyNew(VarArgsConstructorDemo.class).withArguments(byteArrayOne, byteArrayTwo, byteArrayThree);496    }497    @Test498    public void testNewWithArrayVarArgsWhenAllArgumentsAreNullAndOverloadedVarArgsConstructors() throws Exception {499        ExpectNewDemo tested = new ExpectNewDemo();500        VarArgsConstructorDemo varArgsConstructorDemoMock = mock(VarArgsConstructorDemo.class);501        final byte[] byteArrayOne = null;502        final byte[] byteArrayTwo = null;503        whenNew(VarArgsConstructorDemo.class).withArguments(byteArrayOne, byteArrayTwo).thenReturn(varArgsConstructorDemoMock);504        when(varArgsConstructorDemoMock.getByteArrays()).thenReturn(new byte[][]{ byteArrayTwo });505        byte[][] varArgs = tested.newVarArgs(byteArrayOne, byteArrayTwo);506        Assert.assertEquals(1, varArgs.length);507        Assert.assertSame(byteArrayTwo, varArgs[0]);508        verifyNew(VarArgsConstructorDemo.class).withArguments(byteArrayOne, byteArrayTwo);509    }510    @Test511    public void testNewWithArrayVarArgsWhenAllArgumentsAreNull() throws Exception {512        ExpectNewDemo tested = new ExpectNewDemo();513        SimpleVarArgsConstructorDemo varArgsConstructorDemoMock = mock(SimpleVarArgsConstructorDemo.class);514        final byte[] byteArrayOne = null;515        final byte[] byteArrayTwo = null;516        whenNew(SimpleVarArgsConstructorDemo.class).withArguments(byteArrayOne, byteArrayTwo).thenReturn(varArgsConstructorDemoMock);517        when(varArgsConstructorDemoMock.getByteArrays()).thenReturn(new byte[][]{ byteArrayTwo });518        byte[][] varArgs = tested.newSimpleVarArgs(byteArrayOne, byteArrayTwo);519        Assert.assertEquals(1, varArgs.length);520        Assert.assertSame(byteArrayTwo, varArgs[0]);521        verifyNew(SimpleVarArgsConstructorDemo.class).withArguments(byteArrayOne, byteArrayTwo);522    }523    @Test(expected = NullPointerException.class)524    public void testNewWithWrongArgument() throws Exception {525        final int numberOfTimes = 2;526        final String expected = "used";527        ExpectNewDemo tested = new ExpectNewDemo();528        ExpectNewServiceUser expectNewServiceImplMock = mock(ExpectNewServiceUser.class);529        Service serviceMock = mock(Service.class);530        whenNew(ExpectNewServiceUser.class).withArguments(serviceMock, numberOfTimes).thenReturn(expectNewServiceImplMock);531        when(expectNewServiceImplMock.useService()).thenReturn(expected);532        Assert.assertEquals(expected, tested.newWithWrongArguments(serviceMock, numberOfTimes));533        verifyNew(ExpectNewServiceUser.class).withArguments(serviceMock, numberOfTimes);534        /* Should throw NPE because the default behavior of Mockito when a535        something isn't expected is to return a default value. In this case536        whenConstructionOf537        (ExpectNewServiceUser.class).withArguments(serviceMock,538        numberOfTimes) is the wrong expectation and thus null is returned539        from the substitute mock which is the correct behavior.540         */541        Assert.fail("Should throw NPE!");542    }543    @Test544    public void testExpectNewButNoNewCallWasMade() throws Exception {545        ExpectNewDemo tested = new ExpectNewDemo();546        MyClass myClassMock1 = mock(MyClass.class);547        whenNew(MyClass.class).withNoArguments().thenReturn(myClassMock1);548        tested.makeDate();549        try {550            verifyNew(MyClass.class).withNoArguments();551            Assert.fail("Should throw AssertionError!");552        } catch (AssertionError e) {553            Assert.assertEquals("Wanted but not invoked samples.newmocking.MyClass();\nActually, there were zero interactions with this mock.", e.getMessage());554        }555    }556    @Test557    public void whenNewSupportsVarArgsAsSecondParameter() throws Exception {558        final int one = 1;559        final int two = 2;560        final float myFloat = 3.0F;561        ExpectNewDemo tested = new ExpectNewDemo();562        VarArgsConstructorDemo varArgsConstructorDemoMock = mock(VarArgsConstructorDemo.class);563        whenNew(VarArgsConstructorDemo.class).withArguments(myFloat, one, two).thenReturn(varArgsConstructorDemoMock);564        when(varArgsConstructorDemoMock.getInts()).thenReturn(new int[]{ one, two });565        int[] varArgs = tested.newVarArgs(myFloat, one, two);566        Assert.assertEquals(2, varArgs.length);567        Assert.assertEquals(one, varArgs[0]);568        Assert.assertEquals(two, varArgs[1]);569        verifyNew(VarArgsConstructorDemo.class).withArguments(myFloat, one, two);570    }571    @Test572    public void whenNewAnyArgumentsWorksInClassesWithSingleCtor() throws Exception {573        ExpectNewDemo tested = new ExpectNewDemo();574        MyClass myClassMock = mock(MyClass.class);575        whenNew(MyClass.class).withAnyArguments().thenReturn(myClassMock);576        when(myClassMock.getMessage()).thenReturn("Hello");577        final String actual = tested.multipleNew();578        Mockito.verify(myClassMock, Mockito.times(2)).getMessage();579        verifyNew(MyClass.class, Mockito.times(2)).withNoArguments();580        Assert.assertEquals("HelloHello", actual);581    }582    @Test583    public void whenNewAnyArgumentsWorksInClassesWithMultipleCtors() throws Exception {584        ExpectNewWithMultipleCtorDemo expectNewWithMultipleCtorDemoMock = mock(ExpectNewWithMultipleCtorDemo.class);585        Service serviceMock = mock(Service.class);586        whenNew(ExpectNewWithMultipleCtorDemo.class).withAnyArguments().thenReturn(expectNewWithMultipleCtorDemoMock);587        when(expectNewWithMultipleCtorDemoMock.useService()).thenReturn("message");588        // When589        final ExpectNewWithMultipleCtorDemo expectNewWithMultipleCtorDemo = new ExpectNewWithMultipleCtorDemo(serviceMock);590        final String message1 = expectNewWithMultipleCtorDemo.useService();591        final ExpectNewWithMultipleCtorDemo expectNewWithMultipleCtorDemo1 = new ExpectNewWithMultipleCtorDemo(serviceMock, 5);592        final String message2 = expectNewWithMultipleCtorDemo1.useService();593        Assert.assertEquals(message1, "message");594        Assert.assertEquals(message2, "message");595    }596    @Test597    public void canDefineSeveralMockResultForNew() throws Exception {598        final Target expectedTarget = new Target(WhenNewCases.UNKNOWN_TARGET_NAME, WhenNewCases.UNKNOWN_TARGET_ID);599        whenNew(Target.class).withArguments(ArgumentMatchers.eq(WhenNewCases.TARGET_NAME), ArgumentMatchers.eq(WhenNewCases.TARGET_ID)).thenThrow(new CreationException());600        whenNew(Target.class).withArguments(ArgumentMatchers.eq("Unknown"), ArgumentMatchers.eq((-1))).thenReturn(expectedTarget);601        Target actualTarget = new ExpectNewDemo().createTarget(new ITarget() {602            @Override603            public int getId() {604                return WhenNewCases.TARGET_ID;605            }606            @Override607            public String getName() {608                return WhenNewCases.TARGET_NAME;609            }610        });611        assertThat(actualTarget).isEqualToComparingFieldByField(expectedTarget);612    }613    @Test614    public void multiConstructorMatching() throws Exception {615        MultiConstructor expectedObject = new MultiConstructor("only");616        whenNew(MultiConstructor.class).withAnyArguments().thenReturn(expectedObject);617        MultiConstructor actualObject = new MultiConstructor(null);618        Assert.assertNotNull("withAnyArguments did not match constructor(String=null)", actualObject);619        Assert.assertEquals("only", actualObject.getFirst());620        actualObject = new MultiConstructor("first", null);621        Assert.assertNotNull("withAnyArguments did not match constructor(String, String=null)", actualObject);622        Assert.assertEquals("only", actualObject.getFirst());623        actualObject = new MultiConstructor("first", null, true);624        Assert.assertNotNull("withAnyArguments did not match constructor(Runnable=null, boolean, Object)", actualObject);625        Assert.assertEquals("only", actualObject.getFirst());626    }627}...Source:MultiConstructor.java  
...4 * the object's constructors equally. This test fixture provides an object which5 * has multiple constructors so that tests can cover both code-paths of constructor6 * matching.7 */8public class MultiConstructor {9    private final String first;10    public MultiConstructor(String first, String second) {11        this.first = first;12    }13    public MultiConstructor(String first) {14        this.first = first;15    }16    public MultiConstructor(String first, Runnable something, boolean b) {17        this.first = first;18    }19    public String getFirst() {20        return this.first;21    }22}MultiConstructor
Using AI Code Generation
1import samples.expectnew.MultiConstructor;2public class 1 {3    public static void main(String[] args) {4        MultiConstructor mc = new MultiConstructor();5        System.out.println(mc);6    }7}8import samples.expectnew.MultiConstructor;9public class 2 {10    public static void main(String[] args) {11        MultiConstructor mc = new MultiConstructor(1);12        System.out.println(mc);13    }14}15import samples.expectnew.MultiConstructor;16public class 3 {17    public static void main(String[] args) {18        MultiConstructor mc = new MultiConstructor(1, 2);19        System.out.println(mc);20    }21}22import samples.expectnew.MultiConstructor;23public class 4 {24    public static void main(String[] args) {25        MultiConstructor mc = new MultiConstructor(1, 2, 3);26        System.out.println(mc);27    }28}29import samples.expectnew.MultiConstructor;30public class 5 {31    public static void main(String[] args) {32        MultiConstructor mc = new MultiConstructor(1, 2, 3, 4);33        System.out.println(mc);34    }35}36A. Class c = Class.forName(“java.lang.String”);37String s = (String)c.newInstance();38B. Class c = Class.forName(“java.lang.String”);39String s = (String)c.createInstance();40C. Class c = Class.forName(“java.lang.String”);41String s = (String)c.create();42D. Class c = Class.forName(“java.lang.String”);43String s = (String)c.newInstance();MultiConstructor
Using AI Code Generation
1package samples.expectnew;2class MultiConstructor {3    MultiConstructor() {4        System.out.println("No-arg constructor");5    }6    MultiConstructor(int i) {7        System.out.println("One-arg constructor");8    }9    MultiConstructor(int i, int j) {10        System.out.println("Two-arg constructor");11    }12    MultiConstructor(int i, int j, int k) {13        System.out.println("Three-arg constructor");14    }15    MultiConstructor(int i, int j, int k, int l) {16        System.out.println("Four-arg constructor");17    }18}19package samples.expectnew;20class MultiConstructor {21    MultiConstructor() {22        System.out.println("No-arg constructor");23    }24    MultiConstructor(int i) {25        System.out.println("One-arg constructor");26    }27    MultiConstructor(int i, int j) {28        System.out.println("Two-arg constructor");29    }30    MultiConstructor(int i, int j, int k) {31        System.out.println("Three-arg constructor");32    }33    MultiConstructor(int i, int j, int k, int l) {34        System.out.println("Four-arg constructor");35    }36}MultiConstructor
Using AI Code Generation
1package samples.expectnew;2import java.util.*;3public class UseMultiConstructor {4    public static void main(String[] args) {5        MultiConstructor mc = new MultiConstructor();6        System.out.println(mc);7        MultiConstructor mc2 = new MultiConstructor(2);8        System.out.println(mc2);9        MultiConstructor mc3 = new MultiConstructor(3, 4);10        System.out.println(mc3);11        MultiConstructor mc4 = new MultiConstructor(5, 6, 7);12        System.out.println(mc4);13        MultiConstructor mc5 = new MultiConstructor(8, 9, 10, 11);14        System.out.println(mc5);15        MultiConstructor mc6 = new MultiConstructor(12, 13, 14, 15, 16);16        System.out.println(mc6);17    }18}19package samples.expectnew;20import java.util.*;21public class UseMultiConstructor {22    public static void main(String[] args) {23        MultiConstructor mc = new MultiConstructor();24        System.out.println(mc);25        MultiConstructor mc2 = new MultiConstructor(2);26        System.out.println(mc2);27        MultiConstructor mc3 = new MultiConstructor(3, 4);28        System.out.println(mc3);29        MultiConstructor mc4 = new MultiConstructor(5, 6, 7);30        System.out.println(mc4);31        MultiConstructor mc5 = new MultiConstructor(8, 9, 10, 11);32        System.out.println(mc5);33        MultiConstructor mc6 = new MultiConstructor(12, 13, 14, 15, 16);34        System.out.println(mc6);35    }36}37package samples.expectnew;38import java.util.*;39public class UseMultiConstructor {40    public static void main(String[] args) {41        MultiConstructor mc = new MultiConstructor();42        System.out.println(mc);43        MultiConstructor mc2 = new MultiConstructor(2);44        System.out.println(mc2);45        MultiConstructor mc3 = new MultiConstructor(3, 4);46        System.out.println(mc3);47        MultiConstructor mc4 = new MultiConstructor(5, 6, 7);48        System.out.println(mc4);49        MultiConstructor mc5 = new MultiConstructor(8, 9,MultiConstructor
Using AI Code Generation
1package samples.expectnew;2import samples.expectnew.*;3public class MultiConstructor {4    public static void main(String[] args) {5        new MultiConstructor();6        new MultiConstructor(1);7        new MultiConstructor(1, 2);8    }9}10package samples.expectnew;11import samples.expectnew.*;12public class MultiConstructor {13    public static void main(String[] args) {14        new MultiConstructor();15        new MultiConstructor(1);16        new MultiConstructor(1, 2);17    }18}19package samples.expectnew;20import samples.expectnew.*;21public class MultiConstructor {22    public static void main(String[] args) {23        new MultiConstructor();24        new MultiConstructor(1);25        new MultiConstructor(1, 2);26    }27}28package samples.expectnew;29import samples.expectnew.*;30public class MultiConstructor {31    public static void main(String[] args) {32        new MultiConstructor();33        new MultiConstructor(1);34        new MultiConstructor(1, 2);35    }36}37package samples.expectnew;38import samples.expectnew.*;39public class MultiConstructor {40    public static void main(String[] args) {41        new MultiConstructor();42        new MultiConstructor(1);43        new MultiConstructor(1, 2);44    }45}46package samples.expectnew;47import samples.expectnew.*;48public class MultiConstructor {49    public static void main(String[] args) {50        new MultiConstructor();51        new MultiConstructor(1);52        new MultiConstructor(1, 2);53    }54}55package samples.expectnew;56import samples.expectnew.*;57public class MultiConstructor {58    public static void main(String[] args) {59        new MultiConstructor();60        new MultiConstructor(1);61        new MultiConstructor(1, 2);62    }63}64package samples.expectnew;65import samples.expectMultiConstructor
Using AI Code Generation
1import samples.expectnew.MultiConstructor;2public class MultiConstructorTest {3   public static void main(String[] args) {4      MultiConstructor mc = new MultiConstructor();5      System.out.println("mc = " + mc);6   }7}8import samples.expectnew.MultiConstructor;9public class MultiConstructorTest {10   public static void main(String[] args) {11      MultiConstructor mc = new MultiConstructor(10);12      System.out.println("mc = " + mc);13   }14}15import samples.expectnew.MultiConstructor;16public class MultiConstructorTest {17   public static void main(String[] args) {18      MultiConstructor mc = new MultiConstructor(10, 20);19      System.out.println("mc = " + mc);20   }21}22import samples.expectnew.MultiConstructor;23public class MultiConstructorTest {24   public static void main(String[] args) {25      MultiConstructor mc = new MultiConstructor(10, 20, 30);26      System.out.println("mc = " + mc);27   }28}29import samples.expectnew.MultiConstructor;30public class MultiConstructorTest {31   public static void main(String[] args) {32      MultiConstructor mc = new MultiConstructor(10, 20, 30, 40);33      System.out.println("mc = " + mc);34   }35}36import samples.expectnew.MultiConstructor;37public class MultiConstructorTest {38   public static void main(String[] args) {39      MultiConstructor mc = new MultiConstructor(10, 20, 30, 40, 50);40      System.out.println("mc = " + mc);41   }42}43import samples.expectnew.MultiConstructor;44public class MultiConstructorTest {45   public static void main(String[] args) {46      MultiConstructor mc = new MultiConstructor(10, 20, 30, 40, 50, 60);47      System.out.println("mc = " + mc);48   }MultiConstructor
Using AI Code Generation
1package samples.expectnew;2import org.junit.Test;3import static org.junit.Assert.*;4public class MultiConstructorTest {5    public void test1() {6        MultiConstructor multi = new MultiConstructor();7        assertEquals("default constructor", multi.getValue());8    }9    public void test2() {10        MultiConstructor multi = new MultiConstructor("value");11        assertEquals("value", multi.getValue());12    }13}14package samples.expectnew;15public class MultiConstructor {16    private String value;17    public MultiConstructor() {18        value = "default constructor";19    }20    public MultiConstructor(String value) {21        this.value = value;22    }23    public String getValue() {24        return value;25    }26}27package samples.expectnew;28public class MultiConstructor {29    private String value;30    public MultiConstructor() {31        value = "default constructor";32    }33    public MultiConstructor(String value) {34        this.value = value;35    }36    public String getValue() {37        return value;38    }39}40package samples.expectnew;41public class MultiConstructor {42    private String value;43    public MultiConstructor() {44        value = "default constructor";45    }46    public MultiConstructor(String value) {47        this.value = value;48    }49    public String getValue() {50        return value;51    }52}53package samples.expectnew;54public class MultiConstructor {55    private String value;56    public MultiConstructor() {57        value = "default constructor";58    }59    public MultiConstructor(String value) {60        this.value = value;61    }62    public String getValue() {63        return value;64    }65}66package samples.expectnew;67public class MultiConstructor {68    private String value;69    public MultiConstructor() {70        value = "default constructor";71    }72    public MultiConstructor(String value) {73        this.value = value;74    }75    public String getValue() {76        return value;77    }78}79package samples.expectnew;80public class MultiConstructor {81    private String value;82    public MultiConstructor() {83        value = "default constructor";84    }85    public MultiConstructor(String value) {86        this.value = value;87    }88    public String getValue() {89        return value;90    }91}92package samples.expectnew;MultiConstructor
Using AI Code Generation
1package samples.expectnew;2import org.jmlspecs.utils.JmlAssertionError;3public class TestMultiConstructor {4    public static void main(String[] args) {5        MultiConstructor mc = new MultiConstructor();6        System.out.println("mc = " + mc);7        System.out.println("mc = " + mc);8        System.out.println("mc = " + mc);9    }10}11package samples.expectnew;12import org.jmlspecs.utils.JmlAssertionError;13public class TestMultiConstructor {14    public static void main(String[] args) {15        MultiConstructor mc = new MultiConstructor(3);16        System.out.println("mc = " + mc);17        System.out.println("mc = " + mc);18        System.out.println("mc = " + mc);19    }20}21package samples.expectnew;22import org.jmlspecs.utils.JmlAssertionError;23public class TestMultiConstructor {24    public static void main(String[] args) {25        MultiConstructor mc = new MultiConstructor(3, 4);26        System.out.println("mc = " + mc);27        System.out.println("mc = " + mc);28        System.out.println("mc = " + mc);29    }30}31package samples.expectnew;32import org.jmlspecs.utils.JmlAssertionError;33public class TestMultiConstructor {34    public static void main(String[] args) {35        MultiConstructor mc = new MultiConstructor(3, 4, 5);36        System.out.println("mc = " + mc);37        System.out.println("mc = " + mc);38        System.out.println("mc = " + mc);39    }40}41package samples.expectnew;42import org.jmlspecs.utils.JmlAssertionError;43public class TestMultiConstructor {44    public static void main(String[] args) {45        MultiConstructor mc = new MultiConstructor(3, 4, 5, 6);46        System.out.println("mc = " + mc);47        System.out.println("mc = " + mc);48        System.out.println("mc = " + mc);49    }50}MultiConstructor
Using AI Code Generation
1import samples.expectnew.MultiConstructor;2public class 1{3  public static void main(String args[]){4    MultiConstructor mc = new MultiConstructor();5    System.out.println(mc);6  }7}8package samples.expectnew;9public class MultiConstructor{10  public MultiConstructor(){11    System.out.println("This is default constructor");12  }13  public MultiConstructor(int i){14    System.out.println("This is parameterized constructor");15  }16}17import samples.expectnew.MultiConstructor;18public class 2{19  public static void main(String args[]){20    MultiConstructor mc = new MultiConstructor(10);21    System.out.println(mc);22  }23}24package samples.expectnew;25public class MultiConstructor{26  public MultiConstructor(){27    System.out.println("This is default constructor");28  }29  public MultiConstructor(int i){30    System.out.println("This is parameterized constructor");31  }32}33import samples.expectnew.MultiConstructor;34public class 3{35  public static void main(String args[]){36    MultiConstructor mc = new MultiConstructor(10,20);37    System.out.println(mc);38  }39}40package samples.expectnew;41public class MultiConstructor{42  public MultiConstructor(){43    System.out.println("This is default constructor");44  }45  public MultiConstructor(int i){46    System.out.println("This is parameterized constructor");47  }48}49Exception in thread "main" java.lang.NoSuchMethodException: samples.expectnew.MultiConstructor.<init>(int, int)50	at java.lang.Class.getConstructor0(Class.java:3082)Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.
You could also refer to video tutorials over LambdaTest YouTube channel to get step by step demonstration from industry experts.
Get 100 minutes of automation test minutes FREE!!
