assertEquals("", new ToStringBuilder(null, null, null).toString());
assertEquals("<null>", new ToStringBuilder(null, null, null).toString());
    public void testConstructorEx3() {        assertEquals("", new ToStringBuilder(null, null, null).toString());        new ToStringBuilder(this.base, null, null);        new ToStringBuilder(this.base, ToStringStyle.DEFAULT_STYLE, null);    }