public function testSetAndGetNumber()
{
$n1 = new Number(10, false);
$this->assertEquals($n1->getValue(), 10);
$this->assertEquals($n1->isExtra(), false);
$n2 = new Number(5, true);
$this->assertEquals($n2->getValue(), 5);
$this->assertEquals($n2->isExtra(), true);
$this->assertFalse($n2->IsEquals($n1));
$n3 = new Number(10, false);
$this->assertTrue($n1->IsEquals($n3));
}
