eZ\Publish\Core\FieldType\Page\PageService::hasZoneLayout PHP Method

    public function hasZoneLayout($layoutIdentifier)
    {
        return isset($this->zoneDefinition[$layoutIdentifier]);
    }

 /**
  * @dataProvider hasZoneLayoutProvider
  * @covers eZ\Publish\Core\FieldType\Page\PageService::hasZoneLayout
  *
  * @param string $layout
  * @param bool $expectedResult
  */
 public function testHasZoneLayout($layout, $expectedResult)
 {
     $this->assertSame($expectedResult, $this->pageService->hasZoneLayout($layout));
 }