diff --git a/tests/lib/naturalsort.php b/tests/lib/naturalsort.php
index e022a85530..8fcbc6f5fd 100644
--- a/tests/lib/naturalsort.php
+++ b/tests/lib/naturalsort.php
@@ -8,27 +8,32 @@
 
 class Test_NaturalSort extends \Test\TestCase {
 
-	public function setUp() {
-		parent::setUp();
-
-		if(!class_exists('Collator')) {
-			$this->markTestSkipped('The intl module is not available, natural sorting will not work as expected.');
-			return;
-		}
-	}
-
 	/**
 	 * @dataProvider naturalSortDataProvider
 	 */
 	public function testNaturalSortCompare($array, $sorted)
 	{
+		if(!class_exists('Collator')) {
+			$this->markTestSkipped('The intl module is not available, natural sorting might not work as expected.');
+			return;
+		}
 		$comparator = \OC\NaturalSort::getInstance();
 		usort($array, array($comparator, 'compare'));
 		$this->assertEquals($sorted, $array);
 	}
 
 	/**
-	 * Data provider for natural sort.
+	* @dataProvider defaultCollatorDataProvider
+	*/
+	public function testDefaultCollatorCompare($array, $sorted)
+	{
+		$comparator = new \OC\NaturalSort(new \OC\NaturalSort_DefaultCollator());
+		usort($array, array($comparator, 'compare'));
+		$this->assertEquals($sorted, $array);
+	}
+
+	/**
+	 * Data provider for natural sorting with php5-intl's Collator.
 	 * Must provide the same result as in core/js/tests/specs/coreSpec.js
 	 * @return array test cases
 	 */
@@ -181,4 +186,85 @@ class Test_NaturalSort extends \Test\TestCase {
 			),
 		);
 	}
+
+	/**
+	* Data provider for natural sorting with \OC\NaturalSort_DefaultCollator.
+	* Must provide the same result as in core/js/tests/specs/coreSpec.js
+	* @return array test cases
+	*/
+	public function defaultCollatorDataProvider()
+	{
+		return array(
+			// different casing
+			array(
+				// unsorted
+				array(
+					'aaa',
+					'bbb',
+					'BBB',
+					'AAA'
+				),
+				// sorted
+				array(
+					'aaa',
+					'AAA',
+					'bbb',
+					'BBB'
+				)
+			),
+			// numbers
+			array(
+				// unsorted
+				array(
+					'124.txt',
+					'abc1',
+					'123.txt',
+					'abc',
+					'abc2',
+					'def (2).txt',
+					'ghi 10.txt',
+					'abc12',
+					'def.txt',
+					'def (1).txt',
+					'ghi 2.txt',
+					'def (10).txt',
+					'abc10',
+					'def (12).txt',
+					'z',
+					'ghi.txt',
+					'za',
+					'ghi 1.txt',
+					'ghi 12.txt',
+					'zz',
+					'15.txt',
+					'15b.txt',
+				),
+				// sorted
+				array(
+					'15.txt',
+					'15b.txt',
+					'123.txt',
+					'124.txt',
+					'abc',
+					'abc1',
+					'abc2',
+					'abc10',
+					'abc12',
+					'def.txt',
+					'def (1).txt',
+					'def (2).txt',
+					'def (10).txt',
+					'def (12).txt',
+					'ghi.txt',
+					'ghi 1.txt',
+					'ghi 2.txt',
+					'ghi 10.txt',
+					'ghi 12.txt',
+					'z',
+					'za',
+					'zz',
+				)
+			),
+		);
+	}
 }