| public testVariable ( array $args, string $expected ) | ||
| $args | array | |
| $expected | string | |
public function testVariable(array $args, string $expected)
{
$coefficients = $args[0];
$variable = $args[1] ?? "x";
$polynomial = new Polynomial($coefficients, $variable);
$string = strval($polynomial);
$this->assertEquals($expected, $string);
}