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How to use PrivateConstructorInstantiationDemoTest class of samples.junit4.constructor package

Best Powermock code snippet using samples.junit4.constructor.PrivateConstructorInstantiationDemoTest

Source:AllJUnit4Tests.java

...16package samples.junit4;17import org.junit.runner.RunWith;18import org.junit.runners.Suite;19import org.junit.runners.Suite.SuiteClasses;20import samples.junit4.constructor.PrivateConstructorInstantiationDemoTest;21import samples.junit4.constructorargs.ConstructorArgsDemoTest;22import samples.junit4.expectnew.ExpectNewDemoTest;23import samples.junit4.expectvoid.ExpectVoidDemoTest;24import samples.junit4.finalmocking.FinalDemoTest;25import samples.junit4.newmocking.StupidNewTest;26import samples.junit4.noannotation.NoAnnotationUsageTest;27import samples.junit4.partialmocking.MockSelfDemoTest;28import samples.junit4.partialmocking.MockSelfDemoWithSubClassTest;29import samples.junit4.privateandfinal.PrivateFinalTest;30import samples.junit4.privatefield.MockSelfPrivateFieldServiceClassTest;31import samples.junit4.privatefield.SimplePrivateFieldServiceClassTest;32import samples.junit4.privatemocking.PrivateMethodDemoTest;33import samples.junit4.simplereturn.SimpleReturnExampleUserTest;34import samples.junit4.singleton.MockStaticTest;35import samples.junit4.staticandinstance.StaticAndInstanceDemoTest;36import samples.junit4.staticinitializer.StaticInitializerExampleTest;37import samples.junit4.suppressconstructor.SuppressConstructorDemoTest;38import samples.junit4.suppressconstructor.SuppressConstructorHierarchyDemoTest;39import samples.junit4.suppressmethod.SuppressMethodTest;40import samples.suppressconstructor.SuppressSpecificConstructorDemoTest;41@RunWith(Suite.class)42@SuiteClasses( { PrivateConstructorInstantiationDemoTest.class, ExpectNewDemoTest.class,43		ExpectVoidDemoTest.class, FinalDemoTest.class, MockSelfDemoTest.class, MockSelfDemoWithSubClassTest.class, StupidNewTest.class,44		PrivateFinalTest.class, MockSelfPrivateFieldServiceClassTest.class, SimplePrivateFieldServiceClassTest.class,45		PrivateMethodDemoTest.class, MockStaticTest.class, StaticAndInstanceDemoTest.class, SuppressMethodTest.class,46		SuppressConstructorDemoTest.class, SuppressConstructorHierarchyDemoTest.class, SuppressSpecificConstructorDemoTest.class,47		ConstructorArgsDemoTest.class, NoAnnotationUsageTest.class, SimpleReturnExampleUserTest.class, StaticInitializerExampleTest.class })48public class AllJUnit4Tests {49}...

PrivateConstructorInstantiationDemoTest

Using AI Code Generation

1public class PrivateConstructorInstantiationDemoTest {2    @Test(expected = InstantiationException.class)3    public void testPrivateConstructor() throws InstantiationException, IllegalAccessException {4        Constructor<PrivateConstructorInstantiationDemo> constructor = PrivateConstructorInstantiationDemo.class.getDeclaredConstructor();5        constructor.setAccessible(true);6        constructor.newInstance();7    }8}9	at java.lang.Object.wait(Native Method)10	at java.lang.Object.wait(Object.java:502)11	at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:144)12	at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:165)13	at java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:216)

PrivateConstructorInstantiationDemoTest

Using AI Code Generation

1package com.example.samples.junit4.constructor;2import org.junit.Test;3import static org.junit.Assert.*;4public class PrivateConstructorInstantiationDemoTest {5    public void testPrivateConstructorInstantiation() {6        try {7            new PrivateConstructorInstantiationDemo();8            fail("Expecting exception: InstantiationException");9        } catch (InstantiationException e) {10            assertTrue("Exception message should contain class name", e.getMessage().contains("PrivateConstructorInstantiationDemo"));11        } catch (IllegalAccessException e) {12            fail("Unexpected exception: " + e.getMessage());13        }14    }15}

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