Proper subset (A ⊆ B & A ≠ B)
Is the set a proper subset of the other set?
In other words, does the other set contain all the elements of the set,
and the set is not the same set as the other set?
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public isProperSubset ( |
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| $B | ||
| 리턴 | boolean | |
/**
* @dataProvider dataProviderForIsProperSet
*/
public function testIsProperSubset(array $A, array $B)
{
$setA = new Set($A);
$setB = new Set($B);
$this->assertTrue($setA->isProperSubset($setB));
}
