Unit test for bug #57181

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1693676 13f79535-47bb-0310-9956-ffa450edef68

src/ooxml/testcases/org/apache/poi/xssf/usermodel/TestXSSFBugs.java

@@ -2487,4 +2487,13 @@ public final class TestXSSFBugs extends BaseTestBugzillaIssues {
         
         wb.close();
     }
+    
+    /**
+     * Excel 2007 generated Macro-Enabled .xlsm file
+     */
+    @Test
+    public void bug57181() throws Exception {
+        XSSFWorkbook wb = XSSFTestDataSamples.openSampleWorkbook("57181.xlsm");
+        assertEquals(9, wb.getNumberOfSheets());
+    }
 }