From 6b87c7c1f82a3389003eebf7f6b967bbd3272594 Mon Sep 17 00:00:00 2001
From: Mikhail Golubev <mikhail.golubev@jetbrains.com>
Date: Wed, 5 Aug 2015 16:54:06 +0300
Subject: [PATCH] PY-9795 Add method contains in Substring, its indexOf always
 returns -1 if substring wasn't found

---
 .../psi-api/src/com/jetbrains/python/toolbox/Substring.java | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/python/psi-api/src/com/jetbrains/python/toolbox/Substring.java b/python/psi-api/src/com/jetbrains/python/toolbox/Substring.java
index b21d954adb0d..4c7cc724ebcf 100644
--- a/python/psi-api/src/com/jetbrains/python/toolbox/Substring.java
+++ b/python/psi-api/src/com/jetbrains/python/toolbox/Substring.java
@@ -186,7 +186,11 @@ public class Substring implements CharSequence {
 
   public int indexOf(@NotNull String s) {
     int n = myString.indexOf(s, myStartOffset);
-    return n < myEndOffset ? n - myStartOffset : -1;
+    return n >= 0 && n < myEndOffset ? n - myStartOffset : -1;
+  }
+
+  public boolean contains(@NotNull String s) {
+    return indexOf(s) >= 0;
   }
 
   @NotNull