final StringBuffer sb = new StringBuffer();
        sb.append(isAllow() ? "Allow " : "Deny  ");
        appendCol(sb, this.sid.toDisplayString(), 25);
        sb.append(" 0x").append(Hexdump.toHexString(this.access, 8)).append(' ');
        sb.append(isInherited() ? "Inherited " : "Direct    ");
        appendCol(sb, getApplyToText(), 34);
        return sb.toString();
    }

    }

    @Test
    @DisplayName("Test appendCol helper method")
    void testAppendCol() {
        StringBuffer sb = new StringBuffer();

        // Test with short string
        ace.appendCol(sb, "test", 10);
        assertEquals("test      ", sb.toString());

        // Test with exact width string
        sb = new StringBuffer();
        ace.appendCol(sb, "exact", 5);

        final StringBuffer sb = new StringBuffer();
        sb.append(isAllow() ? "Allow " : "Deny  ");
        appendCol(sb, sid.toDisplayString(), 25);
        sb.append(" 0x").append(Hexdump.toHexString(access, 8)).append(' ');
        sb.append(isInherited() ? "Inherited " : "Direct    ");
        appendCol(sb, getApplyToText(), 34);
        return sb.toString();
    }