/** * @test */ public function canNotAddModifierTwice() { $version = new Version('tenhunen', array('suuruus' => 'ylistetty'), array('x5')); $this->assertEquals(array('x5'), $version->getModifiers()); $ret = $version->addModifier('x5'); $this->assertEquals(array('x5'), $ret->getModifiers()); $this->assertNotSame($version, $ret); }