|
public testCardinalityOfCartesianProduct ( |
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| $A | ||
| $B | ||
public function testCardinalityOfCartesianProduct(Set $A, Set $B)
{
$A×B = $A->cartesianProduct($B);
$this->assertEquals(count($A) * count($B), count($A×B));
$this->assertEquals(count($A->asArray()) * count($B->asArray()), count($A×B->asArray()));
}