diff --git a/test/082-inline-execute/src/Main.java b/test/082-inline-execute/src/Main.java
index f4d2dd1..86a03ab 100644
--- a/test/082-inline-execute/src/Main.java
+++ b/test/082-inline-execute/src/Main.java
@@ -96,8 +96,10 @@
     }
   }
 
+  static int start;
   public static void test_String_indexOf() {
     String str0 = "";
+    String str1 = "/";
     String str3 = "abc";
     String str10 = "abcdefghij";
     String str40 = "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaabc";
@@ -122,6 +124,7 @@
     Assert.assertEquals(str0.indexOf('a',20), -1);
     Assert.assertEquals(str0.indexOf('a',0), -1);
     Assert.assertEquals(str0.indexOf('a',-1), -1);
+    Assert.assertEquals(str1.indexOf('/',++start), -1);
     Assert.assertEquals(str3.indexOf('a',0), 0);
     Assert.assertEquals(str3.indexOf('a',1), -1);
     Assert.assertEquals(str3.indexOf('a',1234), -1);