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How to use whenReplacingMethodWithAMethodOfIncorrectReturnTypeThenAnIAEIsThrown method of samples.powermockito.junit4.membermodification.MemberModificationExampleTest class

Best Powermock code snippet using samples.powermockito.junit4.membermodification.MemberModificationExampleTest.whenReplacingMethodWithAMethodOfIncorrectReturnTypeThenAnIAEIsThrown

Source:MemberModificationExampleTest.java

...94                method(StaticAndInstanceDemo.class, "getStaticMessage"));95        assertEquals(SuppressMethod.getObjectStatic(), StaticAndInstanceDemo.getStaticMessage());96    }97    @Test98    public void whenReplacingMethodWithAMethodOfIncorrectReturnTypeThenAnIAEIsThrown() throws Exception {99        try {100            replace(method(SuppressMethod.class, "getObjectStatic")).with(101                    method(StaticAndInstanceDemo.class, "aVoidMethod"));102            fail("Should thow IAE");103        } catch (Exception e) {104            assertEquals("The replacing method (public static void samples.staticandinstance.StaticAndInstanceDemo.aVoidMethod()) needs to return java.lang.Object and not void.", e.getMessage());105        }106    }107    @Test108    public void whenReplacingMethodWithAMethodOfWithIncorrectParametersThenAnIAEIsThrown() throws Exception {109        try {110            replace(method(SuppressMethod.class, "getObjectStatic")).with(111                    method(StaticAndInstanceDemo.class, "aMethod2"));112            fail("Should thow IAE");...

whenReplacingMethodWithAMethodOfIncorrectReturnTypeThenAnIAEIsThrown

Using AI Code Generation

1import static org.junit.Assert.assertEquals;2import static org.mockito.Mockito.when;3import static org.powermock.api.mockito.PowerMockito.whenNew;4import java.io.IOException;5import java.io.OutputStream;6import java.io.OutputStreamWriter;7import org.junit.Test;8import org.junit.runner.RunWith;9import org.powermock.core.classloader.annotations.PrepareForTest;10import org.powermock.modules.junit4.PowerMockRunner;11@RunWith(PowerMockRunner.class)12@PrepareForTest(MemberModificationExample.class)13public class MemberModificationExampleTest {14    public void whenReplacingMethodWithAMethodOfIncorrectReturnTypeThenAnIAEIsThrown() throws Exception {15        MemberModificationExample memberModificationExample = new MemberModificationExample();16        whenNew(OutputStreamWriter.class).withArguments(System.out).thenReturn(null);17        try {18            memberModificationExample.writeToOutputStream(System.out);19        } catch (IllegalArgumentException e) {20            assertEquals("The type of the method to replace must be the same as the type of the replacement method.",21                    e.getMessage());22        }23    }24}

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