function testPrefixes()
 {
     // Prepare the class finder.
     $finder = new ClassFinder();
     $finder->registerPrefixDeep('ex_ample', 'sites/all/modules/contrib/ex_ample/lib');
     $finder->registerPrefixRoot('ex_ample', 'sites/all/modules/contrib/ex_ample/vendor');
     // Test class finding for 'ex_ample_Abc_Def'.
     $this->assertFinderSuggestions($finder, 'ex_ample_Abc_Def', array(array('suggestFile', 'sites/all/modules/contrib/ex_ample/lib/Abc/Def.php'), array('suggestFile', 'sites/all/modules/contrib/ex_ample/vendor/ex/ample/Abc/Def.php')));
 }
 /**
  * Tests PEAR-like class names beginning with underscore, or with a double
  * underscore in between.
  */
 function testSpecialUnderscores()
 {
     // Prepare the class finder.
     $finder = new ClassFinder();
     $finder->registerPrefixDeep('_ex_ample', 'test://lib');
     $finder->registerPrefixRoot('_ex_ample', 'test://vendor');
     // Verify that underscores are not a problem..
     $this->assertCandidateOrder($finder, '_ex_ample_Abc%_Def', array('test://lib/Abc%/Def.php', 'test://vendor/_ex/ample/Abc%/Def.php'));
     $this->assertCandidateOrder($finder, '_abc_Foo%', array());
     $this->assertCandidateOrder($finder, 'abc__Foo%', array());
 }