diff --git a/app/src/test/java/de/uni_marburg/powersort/sort/AbstractSortTest.java b/app/src/test/java/de/uni_marburg/powersort/sort/AbstractSortTest.java
index 7fde10e..b058a10 100644
--- a/app/src/test/java/de/uni_marburg/powersort/sort/AbstractSortTest.java
+++ b/app/src/test/java/de/uni_marburg/powersort/sort/AbstractSortTest.java
@@ -1,10 +1,13 @@
 package de.uni_marburg.powersort.sort;
 
 import de.uni_marburg.powersort.JUnitUtil;
+import de.uni_marburg.powersort.data.AscendingRuns;
 import org.junit.jupiter.params.ParameterizedTest;
 import org.junit.jupiter.params.converter.ConvertWith;
 import org.junit.jupiter.params.provider.CsvSource;
 
+import java.util.Arrays;
+
 import static org.junit.jupiter.api.Assertions.assertArrayEquals;
 
 public abstract class AbstractSortTest {
@@ -12,14 +15,31 @@ public abstract class AbstractSortTest {
 
     @ParameterizedTest
     @CsvSource({
-            "'',''",
-            "'1337','1337'",
-            "'3|2|1','1|2|3'",
-            "'1|1','1|1'",
-            "'2|1','1|2'",
-            "'2|1|2','1|2|2'",
+            "''",
+            "1337",
+            "3|2|1",
+            "1|1",
+            "2|1",
+            "2|1|2",
     })
-    void test1(@ConvertWith(JUnitUtil.IntegerArrayConverter.class) Integer[] array, @ConvertWith(JUnitUtil.IntegerArrayConverter.class) Integer[] expected) {
+    void test1(@ConvertWith(JUnitUtil.IntegerArrayConverter.class) Integer[] array) {
+        sortAndCheckResult(array);
+    }
+
+    @ParameterizedTest
+    @CsvSource({
+            "3,7,-13",
+            "3,7,-3",
+    })
+    void test2(int numOfRuns, int runLength, int decreaseBetweenRuns) {
+        Integer[] array = AscendingRuns.newAscendingRuns(numOfRuns, runLength, decreaseBetweenRuns).getCopy();
+        sortAndCheckResult(array);
+    }
+
+    void sortAndCheckResult(Integer[] array){
+        Integer[] expected = Arrays.copyOf(array, array.length);
+        Arrays.sort(expected);
+
         sortAlg.get().sort(array);
         assertArrayEquals(expected, array);
     }