def = new HTMLPurifier_AttrDef_Integer();
        $this->assertDef('0');
        $this->assertDef('1');
        $this->assertDef('-1');
        $this->assertDef('-10');
        $this->assertDef('14');
        $this->assertDef('+24', '24');
        $this->assertDef(' 14 ', '14');
        $this->assertDef('-0', '0');
        $this->assertDef('-1.4', false);
        $this->assertDef('3.4', false);
        $this->assertDef('asdf', false); // must not return zero
        $this->assertDef('2in', false); // must not return zero
    }
    public function assertRange($negative, $zero, $positive)
    {
        $this->assertDef('-100', $negative);
        $this->assertDef('-1', $negative);
        $this->assertDef('0', $zero);
        $this->assertDef('1', $positive);
        $this->assertDef('42', $positive);
    }
    public function testRange()
    {
        $this->def = new HTMLPurifier_AttrDef_Integer(false);
        $this->assertRange(false, true, true); // non-negative
        $this->def = new HTMLPurifier_AttrDef_Integer(false, false);
        $this->assertRange(false, false, true); // positive
        // fringe cases
        $this->def = new HTMLPurifier_AttrDef_Integer(false, false, false);
        $this->assertRange(false, false, false); // allow none
        $this->def = new HTMLPurifier_AttrDef_Integer(true, false, false);
        $this->assertRange(true, false, false); // negative
        $this->def = new HTMLPurifier_AttrDef_Integer(false, true, false);
        $this->assertRange(false, true, false); // zero
        $this->def = new HTMLPurifier_AttrDef_Integer(true, true, false);
        $this->assertRange(true, true, false); // non-positive
    }
}
// vim: et sw=4 sts=4