@Test
    public final void testWriteAbstractUtf8Array() {
        writeUtf8Array();
        assertEquals("0", wrapped.last.toString());
        wrapped.arm();
        try {
            writeUtf8Array();
        } catch (final RuntimeException e) {
            assertEquals(WRITE_ABSTRACT_UTF8_ARRAY, e.getCause().getMessage());
            gotException = true;
        }
        assertTrue(gotException);

    }
Check all methods forward correctly and wrap exceptions as documented.

@author <a href="mailto:steinar@yahoo-inc.com">Steinar Knutsen</a>
vespajlib/src/test/java/com/yahoo/text/ForwardWriterTestCase.java