From e22f6c517f798cb033a3bc0104bd150937bd20fc Mon Sep 17 00:00:00 2001
From: Aditya Sharat <adityasharat@fb.com>
Date: Fri, 18 Sep 2020 11:59:38 -0700
Subject: [PATCH] Fixes StringIndexOutOfBoundsException caused by ellipsis
 offset.

Summary: Fixes StringIndexOutOfBoundsException caused by ellipsis offset. Overrides the offset if it is greater than the length of the text.

Reviewed By: astreet

Differential Revision: D23756985

fbshipit-source-id: 11f6ef5314a4349e2cb5aa74937b546104e8e938
---
 .../src/main/java/com/facebook/litho/widget/TextSpec.java    | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/litho-widget/src/main/java/com/facebook/litho/widget/TextSpec.java b/litho-widget/src/main/java/com/facebook/litho/widget/TextSpec.java
index 66da765f3ab..2c9e2b99a32 100644
--- a/litho-widget/src/main/java/com/facebook/litho/widget/TextSpec.java
+++ b/litho-widget/src/main/java/com/facebook/litho/widget/TextSpec.java
@@ -799,6 +799,11 @@ private static CharSequence truncateText(
           ellipsisOffset = ellipsisStart;
         }
       }
+      if (ellipsisOffset < 0) {
+        ellipsisOffset = 0;
+      } else if (ellipsisOffset > text.length()) {
+        ellipsisOffset = text.length();
+      }
       return TextUtils.concat(text.subSequence(0, ellipsisOffset), customEllipsisText);
     } else {
       return text;