public function testCanInsertAFieldIntoAPositionImmediatelyAfterAnExistingField()
{
// Insert a field after the first field
$this->assertInstanceOf('Dewdrop\\Fields\\FieldInterface', $this->fields->insertAfter('second', 'visible'));
$this->assertCount(5, $this->fields);
$this->assertTrue($this->fields->has('visible', $visiblePosition));
$this->assertSame(0, $visiblePosition);
$this->assertTrue($this->fields->has('second', $secondPosition));
$this->assertSame(1, $secondPosition);
$this->assertTrue($this->fields->has('sortable', $sortablePosition));
$this->assertSame(2, $sortablePosition);
$this->assertTrue($this->fields->has('editable', $editablePosition));
$this->assertSame(3, $editablePosition);
$this->assertTrue($this->fields->has('filterable', $filterablePosition));
$this->assertSame(4, $filterablePosition);
// Insert a field after some field in the middle
$this->assertInstanceOf('Dewdrop\\Fields\\FieldInterface', $this->fields->insertAfter('fourth', 'sortable'));
$this->assertCount(6, $this->fields);
$this->assertTrue($this->fields->has('visible', $visiblePosition));
$this->assertSame(0, $visiblePosition);
$this->assertTrue($this->fields->has('second', $secondPosition));
$this->assertSame(1, $secondPosition);
$this->assertTrue($this->fields->has('sortable', $sortablePosition));
$this->assertSame(2, $sortablePosition);
$this->assertTrue($this->fields->has('fourth', $sortablePosition));
$this->assertSame(3, $sortablePosition);
$this->assertTrue($this->fields->has('editable', $editablePosition));
$this->assertSame(4, $editablePosition);
$this->assertTrue($this->fields->has('filterable', $filterablePosition));
$this->assertSame(5, $filterablePosition);
// Insert a field after the last field
$this->assertInstanceOf('Dewdrop\\Fields\\FieldInterface', $this->fields->insertAfter('last', 'filterable'));
$this->assertCount(7, $this->fields);
$this->assertTrue($this->fields->has('visible', $visiblePosition));
$this->assertSame(0, $visiblePosition);
$this->assertTrue($this->fields->has('second', $secondPosition));
$this->assertSame(1, $secondPosition);
$this->assertTrue($this->fields->has('sortable', $sortablePosition));
$this->assertSame(2, $sortablePosition);
$this->assertTrue($this->fields->has('fourth', $sortablePosition));
$this->assertSame(3, $sortablePosition);
$this->assertTrue($this->fields->has('editable', $editablePosition));
$this->assertSame(4, $editablePosition);
$this->assertTrue($this->fields->has('filterable', $filterablePosition));
$this->assertSame(5, $filterablePosition);
$this->assertTrue($this->fields->has('last', $filterablePosition));
$this->assertSame(6, $filterablePosition);
}
