@SuppressWarnings("unchecked")
private static <T, U> void testConversion(U expected, T from, Class<U> toClass) {
if (from != null) {
assertEquals(from, Convert.convert(from, Object.class));
assertEquals(from, Convert.convert(from, from.getClass()));
}
U conv1 = Convert.convert(from, toClass);
assertEquals(expected, conv1);
if (toClass.isPrimitive()) {
assertTrue(wrapper(toClass).isInstance(conv1));
return;
} else if (expected == null) {
assertNull(conv1);
} else {
assertTrue(toClass.isInstance(conv1));
}
Class<?> toArrayClass = Array.newInstance(toClass, 0).getClass();
Object[] conv2 = Convert.convert(new Object[] {from, from}, new Class[] {toClass, toClass});
U[] conv3 = (U[]) Convert.convert(new Object[] {from, from}, toClass);
U[] conv4 = (U[]) Convert.convertArray(new Object[] {from, from}, toClass);
U[] conv5 = (U[]) Convert.convertArray(new Object[] {from, from}, toArrayClass);
assertEquals(2, conv2.length);
assertEquals(2, conv3.length);
assertEquals(2, conv4.length);
assertEquals(2, conv5.length);
assertEquals(expected, conv2[0]);
assertEquals(expected, conv2[1]);
assertEquals(expected, conv3[0]);
assertEquals(expected, conv3[1]);
assertEquals(expected, conv4[0]);
assertEquals(expected, conv4[1]);
assertEquals(expected, conv5[0]);
assertEquals(expected, conv5[1]);
assertTrue(Object[].class.isInstance(conv2));
assertTrue(toArrayClass.isInstance(conv3));
assertTrue(toArrayClass.isInstance(conv4));
assertTrue(toArrayClass.isInstance(conv5));
}
@SuppressWarnings("cast")
@Override
public final <T, U> U[] intoArray(Field<T> field, Converter<? super T, U> converter) {
return (U[]) Convert.convertArray(intoArray(field), converter);
}
@SuppressWarnings("unchecked")
@Override
public final <T> T[] intoArray(Field<?> field, Class<? extends T> type) {
return (T[]) Convert.convertArray(intoArray(field), type);
}
@SuppressWarnings("cast")
@Override
public final <U> U[] intoArray(String fieldName, Converter<?, U> converter) {
return (U[]) Convert.convertArray(intoArray(fieldName), converter);
}