adding unit test for folder remove: testRemovedFolder()

tests/lib/files/cache/scanner.php

@@ -154,6 +154,17 @@ class Scanner extends \PHPUnit_Framework_TestCase {
 		$this->assertFalse($this->cache->inCache('foo.txt'));
 	}
 
+	public function testRemovedFolder() {
+		$this->fillTestFolders();
+
+		$this->scanner->scan('');
+		$this->assertTrue($this->cache->inCache('folder/bar.txt'));
+		$this->storage->unlink('/folder');
+		$this->scanner->scan('', \OC\Files\Cache\Scanner::SCAN_SHALLOW);
+		$this->assertFalse($this->cache->inCache('folder'));
+		$this->assertFalse($this->cache->inCache('folder/bar.txt'));
+	}
+
 	function setUp() {
 		$this->storage = new \OC\Files\Storage\Temporary(array());
 		$this->scanner = new \OC\Files\Cache\Scanner($this->storage);