/**
* @covers ::setBreakpointGroup
* @covers ::getBreakpointGroup
*/
public function testSetBreakpointGroup()
{
$entity = new ResponsiveImageStyle(array('breakpoint_group' => 'test_group'));
$entity->addImageStyleMapping('test_breakpoint', '1x', array('image_mapping_type' => 'image_style', 'image_mapping' => 'large'));
$entity->addImageStyleMapping('test_breakpoint', '2x', array('image_mapping_type' => 'sizes', 'image_mapping' => array('sizes' => '(min-width:700px) 700px, 100vw', 'sizes_image_styles' => array('large' => 'large'))));
$entity->addImageStyleMapping('test_breakpoint2', '1x', array('image_mapping_type' => 'image_style', 'image_mapping' => 'thumbnail'));
// Ensure that setting to same group does not remove mappings.
$entity->setBreakpointGroup('test_group');
$this->assertTrue($entity->hasImageStyleMappings());
$this->assertEquals('test_group', $entity->getBreakpointGroup());
// Ensure that changing the group removes mappings.
$entity->setBreakpointGroup('test_group2');
$this->assertEquals('test_group2', $entity->getBreakpointGroup());
$this->assertFalse($entity->hasImageStyleMappings());
}