public function testSet()
{
$set = new Set(1, 2);
$this->assertCount(2, $set);
$this->assertTrue($set->contains(1));
$this->assertTrue($set->contains(2));
$set->add('hello');
$this->assertCount(3, $set);
$this->assertTrue($set->contains('hello'));
$set[] = 'world';
$this->assertCount(4, $set);
$this->assertTrue($set->contains('world'));
$set->update(['hello']);
$this->assertCount(4, $set);
$set->delete('hello');
$this->assertCount(3, $set);
$this->assertFalse($set->contains('hello'));
$difference = $set->difference([1, 2, 3]);
$this->assertEquals(['world'], $difference->toArray());
$difference = $set->difference(Set::fromArray([1, 2, 3]));
$this->assertEquals(['world'], $difference->toArray());
$intersection = $set->intersection([1, 2, 3]);
$this->assertEquals([1, 2], $intersection->toArray());
$intersection = $set->intersection(Set::fromArray([1, 2, 3]));
$this->assertEquals([1, 2], $intersection->toArray());
$union = $set->union([1, 2, 3]);
$this->assertEquals([1, 2, 3, 'world'], $union->toArray(), '', 0, 10, true);
$union = $set->union(Set::fromArray([1, 2, 3]));
$this->assertEquals([1, 2, 3, 'world'], $union->toArray(), '', 0, 10, true);
$this->assertTrue($set->isSubset($union));
$this->assertFalse($set->isSubset([1, 2, 3, 4]));
$this->assertFalse($set->isSubset(Set::fromArray([1, 2, 3, 4])));
$this->assertTrue($set->isSuperset([1, 2]));
$this->assertFalse($set->isSuperset(['hello', 'world']));
$this->assertTrue($set->isSuperset(Set::fromArray([1, 2])));
$this->assertFalse($set->isSuperset(Set::fromArray(['hello', 'world'])));
$this->assertFalse($set->isEmpty());
$set->clear();
$this->assertTrue($set->isEmpty());
$set = set(1, 2);
$this->assertCount(2, $set);
$this->assertTrue($set->contains(1));
$this->assertTrue($set->contains(2));
$set[] = 2;
$set[] = 3;
$this->assertCount(3, $set);
$this->assertTrue($set->contains(1));
$this->assertTrue($set->contains(2));
$this->assertTrue($set->contains(3));
$set = set();
$this->assertEquals($set->toArray(), array());
}
// 2. Multidimensional default array
// Note that we create nested default array with an anonymous function.
// Otherwise, default array object will be shared across all parent array fields.
$matrix = defaultarray(function () {
return defaultarray(0);
});
for ($i = 0; $i < 3; ++$i) {
for ($j = 0; $j < 3; ++$j) {
++$matrix[$i][$j];
}
}
echo "Matrix 3x3:\n";
print_r(map(methodCaller('toArray'), $matrix->toArray()));
// casting default array with all nested default arrays to PHP array
// 3. Set example
$set = set(1, 2);
$set->add('hello');
$set[] = 'world';
$set->update([3, 4], ['answer', 42]);
echo "Set:\n";
print_r($set->toArray());
foreach (['hello', 3, 4, 'answer', 42] as $element) {
$set->delete($element);
}
echo "Set:\n";
print_r($set->toArray());
$array = [1, 2, 3];
$intersection = $set->intersection($array);
echo "Intersection:\n";
print_r($intersection->toArray());
$anotherSet = Set::fromArray([1, 2, 3]);
