/**
* Test loading a module.
*
* @covers ::load
*/
public function testLoadModule()
{
$this->assertFalse(function_exists('module_handler_test_hook'));
$this->assertTrue($this->moduleHandler->load('module_handler_test'));
$this->assertTrue(function_exists('module_handler_test_hook'));
$this->moduleHandler->addModule('module_handler_test_added', 'core/tests/Drupal/Tests/Core/Extension/modules/module_handler_test_added');
$this->assertFalse(function_exists('module_handler_test_added_hook'), 'Function does not exist before being loaded.');
$this->assertTrue($this->moduleHandler->load('module_handler_test_added'));
$this->assertTrue(function_exists('module_handler_test_added_helper'), 'Function exists after being loaded.');
$this->assertTrue($this->moduleHandler->load('module_handler_test_added'));
$this->assertFalse($this->moduleHandler->load('module_handler_test_dne'), 'Non-existent modules returns false.');
}
