Merge branch 'hotfix/1.2.1'

pom.xml

@@ -2,7 +2,7 @@
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>org.cryptomator</groupId>
 	<artifactId>cryptofs</artifactId>
-	<version>1.2.0</version>
+	<version>1.2.1</version>
 	<name>Cryptomator Crypto Filesystem</name>
 	<description>This library provides the Java filesystem provider used by Cryptomator.</description>
 	<url>https://github.com/cryptomator/cryptofs</url>

src/main/java/org/cryptomator/cryptofs/CryptoPath.java

@@ -94,8 +94,10 @@ public CryptoPath getParent() {
 		if (elementCount > 1) {
 			List<String> elems = elements.subList(0, elementCount - 1);
 			return copyWithElements(elems);
-		} else {
+		} else if (elementCount == 1) {
 			return getRoot();
+		} else {
+			return null;
 		}
 	}
 

src/test/java/org/cryptomator/cryptofs/CryptoPathTest.java

@@ -119,11 +119,13 @@ public void testGetParent() {
 		Path p1 = path("/foo");
 		Path p2 = path("/foo/bar");
 		Path p3 = path("foo");
+		Path p4 = path("/");
 
 		Assert.assertEquals(p1, p2.getParent());
 		Assert.assertEquals(rootPath, p1.getParent());
 		Assert.assertNull(emptyPath.getParent());
 		Assert.assertNull(p3.getParent());
+		Assert.assertNull(p4.getParent());
 	}
 
 	@Test