try { new ToStringBuilder(null, null, null);  } catch (IllegalArgumentException ex) { try { new ToStringBuilder(base, null, null); new ToStringBuilder(base, ToStringStyle.DEFAULT_STYLE, null);  } catch (Exception ex2) { fail(); } return; } fail();
assertEquals("", new ToStringBuilder(null, null, null).toString()); new ToStringBuilder(this.base, null, null); new ToStringBuilder(this.base, ToStringStyle.DEFAULT_STYLE, null);
    public void testConstructorEx3() {        try {            new ToStringBuilder(null, null, null);                    } catch (IllegalArgumentException ex) {            try {                new ToStringBuilder(base, null, null);                new ToStringBuilder(base, ToStringStyle.DEFAULT_STYLE, null);                            } catch (Exception ex2) {                fail();            }            return;        }        fail();    }