Test CRUD operations for breakpoints.
public function testBreakpointCRUD() {
// Add a breakpoint with minimum data only.
$breakpoint = entity_create('breakpoint', array(
'label' => drupal_strtolower($this
->randomName()),
'mediaQuery' => '(min-width: 600px)',
));
$breakpoint
->save();
$this
->verifyBreakpoint($breakpoint);
// Test breakpoint_load_all
$all_breakpoints = entity_load_multiple('breakpoint');
$config_name = $breakpoint
->id();
$this
->assertTrue(isset($all_breakpoints[$config_name]), 'breakpoint_load_all: New breakpoint is present when loading all breakpoints.');
$this
->verifyBreakpoint($breakpoint, $all_breakpoints[$config_name]);
// Update the breakpoint.
$breakpoint->weight = 1;
$breakpoint->multipliers['2x'] = '2x';
$breakpoint
->save();
$this
->verifyBreakpoint($breakpoint);
// Delete the breakpoint.
$breakpoint
->delete();
$this
->assertFalse(breakpoint_load($config_name), 'breakpoint_load: Loading a deleted breakpoint returns false.', 'Breakpoints API');
}