Bug 57163: Fix possible NullPointerException when a spreadsheet has no LinkTable and we try to adjust it during sheet removal.

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1673168 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 10 insertions, 0 deletions

diff --git a/src/testcases/org/apache/poi/hssf/usermodel/TestBugs.java b/src/testcases/org/apache/poi/hssf/usermodel/TestBugs.java
index 73256b6897..0bb1de24b4 100644
--- a/src/testcases/org/apache/poi/hssf/usermodel/TestBugs.java
+++ b/src/testcases/org/apache/poi/hssf/usermodel/TestBugs.java
@@ -2716,4 +2716,14 @@ public final class TestBugs extends BaseTestBugzillaIssues {
         Workbook wb = openSample("57456.xls");
         wb.close();
     }
+    
+    @Test
+    public void test57163() throws IOException {
+        Workbook wb = openSample("57163.xls");
+        
+        while (wb.getNumberOfSheets() > 1) {
+            wb.removeSheetAt(1);
+        }
+        wb.close();
+    }
 }