How to use toArrayTypedDoesNotWork method of org.mockito.internal.util.reflection.GenericArrayReturnTypeTest class

Best Mockito code snippet using org.mockito.internal.util.reflection.GenericArrayReturnTypeTest.toArrayTypedDoesNotWork

Source:GenericArrayReturnTypeTest.java

...8import org.mockito.Answers;9import org.mockito.Mockito;10public class GenericArrayReturnTypeTest {11    @Test12    public void toArrayTypedDoesNotWork() throws Exception {13        GenericArrayReturnTypeTest.Container container = Mockito.mock(GenericArrayReturnTypeTest.Container.class, Answers.RETURNS_DEEP_STUBS);14        container.getInnerContainer().getTheProblem().toArray(new String[]{  });15    }16    class Container {17        private GenericArrayReturnTypeTest.InnerContainer innerContainer;18        public GenericArrayReturnTypeTest.InnerContainer getInnerContainer() {19            return innerContainer;20        }21    }22    class InnerContainer {23        private Set<String> theProblem;24        public Set<String> getTheProblem() {25            return theProblem;26        }...

toArrayTypedDoesNotWork

Using AI Code Generation

1    public void toArrayTypedDoesNotWork() {2        String[] array = new String[]{"a", "b", "c"};3        List<String> list = Arrays.asList(array);4        String[] result = GenericArrayReturnTypeTest.toArrayTypedDoesNotWork(list);5        assertThat(result).isSameAs(array);6    }7    public void toArrayTypedWorks() {8        String[] array = new String[]{"a", "b", "c"};9        List<String> list = Arrays.asList(array);10        String[] result = GenericArrayReturnTypeTest.toArrayTypedWorks(list);11        assertThat(result).isNotSameAs(array);12    }13}14The solution is to use the toArray(T[]) method, which is declared in the List interface:15T[] toArray(T[] a);

toArrayTypedDoesNotWork

Using AI Code Generation

1    public void testToArrayTypedDoesNotWork() {2        final String[] expected = { "one", "two", "three" };3        final List<String> list = Arrays.asList(expected);4        final String[] actual = GenericArrayReturnTypeTest.toArrayTypedDoesNotWork(list);5        assertArrayEquals(expected, actual);6    }7}8package org.mockito.internal.util.reflection;9import java.lang.reflect.Array;10import java.util.List;11public class GenericArrayReturnTypeTest {12    public static <T> T[] toArrayTypedWorks(final List<T> list) {13        final T[] array = (T[]) Array.newInstance(list.get(0).getClass(), list.size());14        return list.toArray(array);15    }16    public static String[] toArrayTypedDoesNotWork(final List<String> list) {17        final String[] array = (String[]) Array.newInstance(String.class, list.size());18        return list.toArray(array);19    }20}21The test testToArrayTypedDoesNotWork() fails with the following error:22java.lang.ClassCastException: [Ljava.lang.Object; cannot be cast to [Ljava.lang.String;23	at org.mockito.internal.util.reflection.GenericArrayReturnTypeTest.testToArrayTypedDoesNotWork(GenericArrayReturnTypeTest.java:14)24public static <T> T[] toArrayTypedWorks(final List<T> list) {25    final T[] array = (T[]) Array.newInstance(list.get(0).getClass(), list.size());26    return list.toArray(array);27}28public static <T> T[] toArrayTypedWorks(final List<T> list) {29    final T[] array = (T[]) Array.newInstance(list.get(0).getClass(), list.size());30    return list.toArray(array);31}

toArrayTypedDoesNotWork

Using AI Code Generation

1    public void shouldReturnEmptyArrayIfNoMethodInvocation() {2        GenericArrayReturnTypeTest obj = mock(GenericArrayReturnTypeTest.class);3        when(obj.toArrayTypedDoesNotWork()).thenReturn(new String[] { "a", "b" });4        String[] array = obj.toArrayTypedDoesNotWork();5        assertEquals(2, array.length);6    }7}

toArrayTypedDoesNotWork

Using AI Code Generation

1public class GenericArrayReturnTypeTest {2    private static class A {}3    private static class B extends A {}4    private static class C extends B {}5    private static class D extends C {}6    public void toArrayTypedWorks() {7        final A[] a = new A[]{new A(), new B(), new C(), new D()};8        final B[] b = Arrays.copyOf(a, a.length, B[].class);9        final C[] c = Arrays.copyOf(a, a.length, C[].class);10        final D[] d = Arrays.copyOf(a, a.length, D[].class);11        final A[] aa = Arrays.copyOf(b, b.length, A[].class);12        final B[] bb = Arrays.copyOf(b, b.length, B[].class);13        final C[] cc = Arrays.copyOf(b, b.length, C[].class);14        final D[] dd = Arrays.copyOf(b, b.length, D[].class);15        final A[] aaa = Arrays.copyOf(c, c.length, A[].class);16        final B[] bbb = Arrays.copyOf(c, c.length, B[].class);17        final C[] ccc = Arrays.copyOf(c, c.length, C[].class);18        final D[] ddd = Arrays.copyOf(c, c.length, D[].class);19        final A[] aaaa = Arrays.copyOf(d, d.length, A[].class);20        final B[] bbbb = Arrays.copyOf(d, d.length, B[].class);21        final C[] cccc = Arrays.copyOf(d, d.length, C[].class);22        final D[] dddd = Arrays.copyOf(d, d.length, D[].class);23    }24    public void toArrayTypedDoesNotWork() {25        final A[] a = new A[]{new A(), new B(), new C(), new D()};26        final B[] b = Arrays.copyOf(a, a.length, B[].class);27        final C[] c = Arrays.copyOf(a, a.length, C[].class);28        final D[] d = Arrays.copyOf(a, a.length, D[].class);29        final A[] aa = Arrays.copyOf(b, b.length, A[].class);30        final B[] bb = Arrays.copyOf(b, b.length, B[].class);31        final C[] cc = Arrays.copyOf(b, b.length,

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