public function testIsSymmetric()
{
$matrix = new Matrix(3, 3, 2);
$matrix->setPoint(1, 1, 3);
$matrix->setPoint(1, 2, 7);
$matrix->setPoint(1, 3, 11);
$matrix->setPoint(2, 1, 7);
$matrix->setPoint(2, 2, 4);
$matrix->setPoint(2, 3, 16);
$matrix->setPoint(3, 1, 11);
$matrix->setPoint(3, 2, 16);
$matrix->setPoint(3, 3, 8);
$sut = new Properties($matrix, 2);
$this->assertTrue($sut->isSymmetric());
$matrix = new Matrix(1, 3, 2);
$sut = new Properties($matrix, 2);
$this->assertFalse($sut->isSymmetric());
$matrix = new Matrix(3, 3, 2);
$matrix->setPoint(1, 1, 3);
$matrix->setPoint(1, 2, 7);
$matrix->setPoint(1, 3, 11);
$matrix->setPoint(2, 1, 7);
$matrix->setPoint(2, 2, 4);
$matrix->setPoint(2, 3, 5);
$matrix->setPoint(3, 1, 11);
$matrix->setPoint(3, 2, 16);
$matrix->setPoint(3, 3, 8);
$sut = new Properties($matrix, 2);
$this->assertFalse($sut->isSymmetric());
}
