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                <?php // phpcs:ignore WordPress.Files.FileName  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * Class loader test suite.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @package automattic/jetpack-autoloader  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use PHPUnit\Framework\TestCase;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use \Jetpack\AutoloaderTestData\Plugin\Test;  | 
            
                            
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                use \Jetpack\AutoloaderTestData\Plugin\Psr4\Test as Psr4Test;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * Test suite class for the Autoloader part that handles file loading.  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                 */  | 
            
            
                                                                        
                            
            
                                    
            
            
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                class WP_Test_Version_Loader extends TestCase { | 
            
            
                                                                        
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	 * Tests that `find_class_file` returns null when the given class is not known.  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	public function test_find_class_file_returns_null_for_unknown_class() { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$version_loader = new Version_Loader( new Version_Selector(), null, null, null );  | 
            
                            
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                		$file_path = $version_loader->find_class_file( Test::class );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$this->assertNull( $file_path );  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                	}  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	 * Tests that `find_class_file` returns the path to the class when present in the classmap.  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	 */  | 
            
            
                                                                                                            
                            
            
                                                                    
                                                                                                        
            
            
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                View Code Duplication | 
                	public function test_find_class_file_returns_path_for_classmap() { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$version_loader = new Version_Loader(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			new Version_Selector(),  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			array(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				Test::class => array(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                					'version' => '1.0.0.0',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                					'path'    => TEST_DATA_PATH . '/plugins/plugin_current/includes/class-test.php',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				),  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			),  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			null,  | 
            
                            
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                		);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$file_path = $version_loader->find_class_file( Test::class );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$this->assertEquals( TEST_DATA_PATH . '/plugins/plugin_current/includes/class-test.php', $file_path );  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                	}  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	 * Test that `find_class_file` returns the path to the class when present in the PSR-4 map.  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	 */  | 
            
            
                                                                                                            
                            
            
                                                                    
                                                                                                        
            
            
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                View Code Duplication | 
                	public function test_find_class_file_returns_path_for_psr4() { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$version_loader = new Version_Loader(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			new Version_Selector(),  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			null,  | 
            
                            
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                			array(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				'Jetpack\\AutoloaderTestData\\Plugin\\' => array(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                					'version' => '1.0.0.0',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                					'path'    => array( TEST_DATA_PATH . '/plugins/plugin_current/src' ),  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				),  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			),  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			null  | 
            
                            
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                		);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$file_path = $version_loader->find_class_file( Psr4Test::class );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$this->assertEquals( TEST_DATA_PATH . '/plugins/plugin_current/src/Psr4/Test.php', $file_path );  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                	}  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	 * Tests that `find_class_file` returns the path to the class when presented  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	 * with less-specific namespaces first in the PSR-4 map.  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	 */  | 
            
            
                                                                                                            
                            
            
                                                                    
                                                                                                        
            
            
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                View Code Duplication | 
                	public function test_find_class_file_checks_returns_path_for_psr4_with_less_specific_namespace() { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$version_loader = new Version_Loader(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			new Version_Selector(),  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			null,  | 
            
                            
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                			array(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				'Jetpack\\AutoloaderTestData\\'         => array(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                					'version' => '1.0.0.0',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                					'path'    => array( TEST_DATA_PATH . '/plugins/plugin_current' ),  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				),  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				'Jetpack\\AutoloaderTestData\\Plugin\\' => array(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                					'version' => '1.0.0.0',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                					'path'    => array( TEST_DATA_PATH . '/plugins/plugin_current/src' ),  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				),  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			),  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			null  | 
            
                            
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                		);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$file_path = $version_loader->find_class_file( Psr4Test::class );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$this->assertEquals( TEST_DATA_PATH . '/plugins/plugin_current/src/Psr4/Test.php', $file_path );  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                	}  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	 * Test that `find_class_file` returns the classmap version when newer.  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	 */  | 
            
            
                                                                                                            
                            
            
                                                                    
                                                                                                        
            
            
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                View Code Duplication | 
                	public function test_find_class_file_returns_newer_classmap() { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$version_loader = new Version_Loader(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			new Version_Selector(),  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			array(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				Psr4Test::class => array(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                					'version' => '2.0.0.0',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                					'path'    => TEST_DATA_PATH . '/plugins/plugin_newer/src/Psr4/Test.php',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				),  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			),  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			array(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				'Jetpack\\AutoloaderTestData\\Plugin\\' => array(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                					'version' => '1.0.0.0',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                					'path'    => array( TEST_DATA_PATH . '/plugins/plugin_current/src' ),  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				),  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			),  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			null  | 
            
                            
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                		);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$file_path = $version_loader->find_class_file( Psr4Test::class );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$this->assertEquals( TEST_DATA_PATH . '/plugins/plugin_newer/src/Psr4/Test.php', $file_path );  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                	}  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    123
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                	 * Test that `find_class_file` returns the PSR-4 version when newer.  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    124
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                	 */  | 
            
            
                                                                                                            
                            
            
                                                                    
                                                                                                        
            
            
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                View Code Duplication | 
                	public function test_find_class_file_returns_newer_psr4() { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    126
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                		$version_loader = new Version_Loader(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    127
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                			new Version_Selector(),  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    128
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                			array(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    129
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                				Psr4Test::class => array(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    130
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                					'version' => '1.0.0.0',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    131
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                					'path'    => TEST_DATA_PATH . '/plugins/plugin_current/src/Psr4/Test.php',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    132
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                				),  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    133
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                			),  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    134
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                			array(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    135
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                				'Jetpack\\AutoloaderTestData\\Plugin\\' => array(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    136
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                					'version' => '2.0.0.0',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    137
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                					'path'    => array( TEST_DATA_PATH . '/plugins/plugin_newer/src' ),  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    138
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                				),  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    139
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                			),  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			null  | 
            
                            
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                    141
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                		);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    142
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                    143
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                		$file_path = $version_loader->find_class_file( Psr4Test::class );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    144
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                    145
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                		$this->assertEquals( TEST_DATA_PATH . '/plugins/plugin_newer/src/Psr4/Test.php', $file_path );  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                    146
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                	}  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    148
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                	/**  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    149
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                	 * Tests that `load_filemap` correctly loads all of the files.  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    150
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                	 *  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    151
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                	 * @preserveGlobalState disabled  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    152
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                	 * @runInSeparateProcess  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    153
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                	 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    154
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                	public function test_loads_filemap() { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    155
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                		$version_loader = new Version_Loader(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    156
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                			new Version_Selector(),  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    157
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                			null,  | 
            
                            
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                    158
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                			null,  | 
            
                            
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                    159
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                			array(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    160
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                				'123456acbdefg' => array(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    161
                 | 
                                    
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                					'version' => '1.0.0.0',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    162
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                					'path'    => TEST_DATA_PATH . '/plugins/plugin_current/includes/functions.php',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    163
                 | 
                                    
                                                     | 
                
                 | 
                				),  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    164
                 | 
                                    
                                                     | 
                
                 | 
                			)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    165
                 | 
                                    
                                                     | 
                
                 | 
                		);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    166
                 | 
                                    
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                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    167
                 | 
                                    
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                 | 
                		$version_loader->load_filemap();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    168
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                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    169
                 | 
                                    
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                 | 
                		$this->assertTrue( $GLOBALS['__composer_autoload_files']['123456acbdefg'] );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    170
                 | 
                                    
                                                     | 
                
                 | 
                		$this->assertTrue( function_exists( '\\Jetpack\\AutoloaderTestData\\PluginCurrent\\if_i_exist_then_this_test_passed' ) );  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
                | 
                    171
                 | 
                                    
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                 | 
                	}  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    172
                 | 
                                    
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                 | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    173
                 | 
                                    
                                                     | 
                
                 | 
                	/**  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    174
                 | 
                                    
                                                     | 
                
                 | 
                	 * Tests that `load_filemap` does not load files that have already been loaded.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    175
                 | 
                                    
                                                     | 
                
                 | 
                	 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    176
                 | 
                                    
                                                     | 
                
                 | 
                	public function test_loads_filemap_skips_existing_files() { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    177
                 | 
                                    
                                                     | 
                
                 | 
                		$version_loader = new Version_Loader(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    178
                 | 
                                    
                                                     | 
                
                 | 
                			new Version_Selector(),  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    179
                 | 
                                    
                                                     | 
                
                 | 
                			null,  | 
            
                            
                    | 
                        
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                     | 
                    
                                                                                                    
                        
                         
                                                                                        
                                                                                     
                     | 
                
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    180
                 | 
                                    
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                 | 
                			null,  | 
            
                            
                    | 
                        
                     | 
                     | 
                     | 
                    
                                                                                                    
                        
                         
                                                                                        
                                                                                     
                     | 
                
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    181
                 | 
                                    
                                                     | 
                
                 | 
                			array(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    182
                 | 
                                    
                                                     | 
                
                 | 
                				'123456acbdefg' => array(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    183
                 | 
                                    
                                                     | 
                
                 | 
                					'version' => '1.0.0.0',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    184
                 | 
                                    
                                                     | 
                
                 | 
                					'path'    => TEST_DATA_PATH . '/plugins/plugin_current/includes/functions.php',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    185
                 | 
                                    
                                                     | 
                
                 | 
                				),  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    186
                 | 
                                    
                                                     | 
                
                 | 
                			)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    187
                 | 
                                    
                                                     | 
                
                 | 
                		);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    188
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    189
                 | 
                                    
                                                     | 
                
                 | 
                		// Pretend it was already loaded!  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    190
                 | 
                                    
                                                     | 
                
                 | 
                		$GLOBALS['__composer_autoload_files']['123456acbdefg'] = true;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    191
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    192
                 | 
                                    
                                                     | 
                
                 | 
                		$version_loader->load_filemap();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    193
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    194
                 | 
                                    
                                                     | 
                
                 | 
                		$this->assertTrue( $GLOBALS['__composer_autoload_files']['123456acbdefg'] );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    195
                 | 
                                    
                                                     | 
                
                 | 
                		$this->assertFalse( function_exists( '\\Jetpack\\AutoloaderTestData\\PluginCurrent\\if_i_exist_then_this_test_passed' ) );  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
                | 
                    196
                 | 
                                    
                                                     | 
                
                 | 
                	}  | 
            
            
                                                        
            
                                    
            
            
                | 
                    197
                 | 
                                    
                                                     | 
                
                 | 
                }  | 
            
            
                                                        
            
                                    
            
            
                | 
                    198
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                        
Let’s assume that you have a directory layout like this:
. |-- OtherDir | |-- Bar.php | `-- Foo.php `-- SomeDir `-- Foo.phpand let’s assume the following content of
Bar.php:If both files
OtherDir/Foo.phpandSomeDir/Foo.phpare loaded in the same runtime, you will see a PHP error such as the following:PHP Fatal error: Cannot use SomeDir\Foo as Foo because the name is already in use in OtherDir/Foo.phpHowever, as
OtherDir/Foo.phpdoes not necessarily have to be loaded and the error is only triggered if it is loaded beforeOtherDir/Bar.php, this problem might go unnoticed for a while. In order to prevent this error from surfacing, you must import the namespace with a different alias: