public function testShowAddMultipleItems() { $items = [new Organization(['id' => 1, 'name' => 'Foo bar']), new Organization(['id' => 2, 'name' => 'Bar baz']), new Organization(['id' => 3, 'name' => 'Baz foo'])]; $collection = new EntityCollection(); $collection->addItems($items); $this->assertCount(3, $collection); $this->assertEquals($items[0], $collection[0]); $this->assertEquals($items[1], $collection[1]); $this->assertEquals($items[2], $collection[2]); }