/** * @test */ public function pushが最後に要素を追加する事を確認() { $collection = new Collection(['foo', 'bar']); $sum = $collection->push('baz'); $this->assertEquals(['foo', 'bar', 'baz'], $collection->all()); $this->assertSame(3, $sum); }
/** * {@inheritdoc} */ public function push($item) { $this->collection->push($item); }