/**
* Tests empty libraries in theme.info.yml file.
*/
public function testThemeLibrariesEmpty()
{
$theme = new Extension($this->root, 'theme', '/core/modules/system/tests/themes/test_theme_libraries_empty', 'test_theme_libraries_empty.info.yml');
try {
$this->themeHandler->addTheme($theme);
$this->assertTrue(TRUE, 'Empty libraries key in theme.info.yml does not cause PHP warning');
} catch (\Exception $e) {
$this->fail('Empty libraries key in theme.info.yml causes PHP warning.');
}
}
