/** * @dataProvider sets */ public function testThatSetContainsReturnsWhetherElementIsAdded(ISet $set) { $set->add(0); $set->add(1); $this->assertFalse($set->contains('0')); $this->assertFalse($set->contains('1')); $this->assertFalse($set->contains(1.0)); $this->assertTrue($set->contains(0)); $this->assertTrue($set->contains(1)); }