How to use failIfReturnTypeIsNotNull method of org.jmock.api.Invocation class

Best Jmock-library code snippet using org.jmock.api.Invocation.failIfReturnTypeIsNotNull

Source:Invocation.java

...90    }91    public void checkReturnTypeCompatibility(final Object value) {92        Class<?> returnType = invokedMethod.getReturnType();93        if (returnType == void.class) {94            failIfReturnTypeIsNotNull(value);95        }96        else if (value == null) {97            failIfReturnTypeIsPrimitive();98        }99        else {100            Class<?> valueType = value.getClass();101            if (!isCompatible(returnType, valueType)) {102                reportTypeError(returnType, valueType);103            }104        }105    }106    private boolean isCompatible(Class<?> returnType, Class<?> valueType) {107        if (returnType.isPrimitive()) {108            // The reflection API doesn't reflect Java's auto-boxing.109            return isBoxedType(returnType, valueType);110        }111        return returnType.isAssignableFrom(valueType);112    }113    private boolean isBoxedType(Class<?> primitiveType, Class<?> referenceType) {114        return BOX_TYPES.get(primitiveType) == referenceType;115    }116    private void failIfReturnTypeIsNotNull(final Object result) {117        if (result != null) {118            throw new IllegalStateException("tried to return a value from a void method: " + result);119        }120    }121    private void failIfReturnTypeIsPrimitive() {122        Class<?> returnType = invokedMethod.getReturnType();123        if (returnType.isPrimitive()) {124            throw new IllegalStateException(125                "tried to return null value from method returning " + returnType.getName());126        }127    }128    129    private void reportTypeError(Class<?> returnType, Class<?> valueType) {130        throw new IllegalStateException(...

failIfReturnTypeIsNotNull

Using AI Code Generation

1public class MockTest {2    public void testMock() {3        Mockery context = new Mockery();4        final IMethods mock = context.mock(IMethods.class);5        context.checking(new Expectations() {6            {7                allowing(mock).returnNull();8                will(returnValue(null));9                allowing(mock).returnString();10                will(returnValue("Hello"));11            }12        });13        assertNull(mock.returnNull());14        assertNotNull(mock.returnString());15    }16}

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