Bug 66425: Avoid Exceptions found via oss-fuzz

We try to avoid throwing ClassCastExceptions,
but it was possible to trigger one here with a specially
crafted input-file

Should fix https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=62795

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1912796 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 6 insertions, 5 deletions

diff --git a/poi-scratchpad/src/test/java/org/apache/poi/hssf/converter/TestExcelConverterSuite.java b/poi-scratchpad/src/test/java/org/apache/poi/hssf/converter/TestExcelConverterSuite.java
index 927d54e88e..980e1298b8 100644
--- a/poi-scratchpad/src/test/java/org/apache/poi/hssf/converter/TestExcelConverterSuite.java
+++ b/poi-scratchpad/src/test/java/org/apache/poi/hssf/converter/TestExcelConverterSuite.java
@@ -38,15 +38,16 @@ import org.junit.jupiter.params.ParameterizedTest;
 import org.junit.jupiter.params.provider.Arguments;
 import org.junit.jupiter.params.provider.MethodSource;
 
-public class TestExcelConverterSuite
-{
+public class TestExcelConverterSuite {
     /**
      * YK: a quick hack to exclude failing documents from the suite.
      */
-    @SuppressWarnings("ArraysAsListWithZeroOrOneArgument")
     private static final List<String> failingFiles = Arrays.asList(
-            /* not failing, but requires more memory */
-            "ex45698-22488.xls" );
+            // not failing, but requires more memory
+            "ex45698-22488.xls",
+            // broken documents
+            "clusterfuzz-testcase-minimized-POIHSSFFuzzer-5436547081830400.xls"
+    );
 
     public static Stream<Arguments> files() {
         List<Arguments> files = new ArrayList<>();