[bug-69628] add test case

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1924643 13f79535-47bb-0310-9956-ffa450edef68

poi-ooxml/src/main/java/org/apache/poi/openxml4j/util/ZipArchiveFakeEntry.java

@@ -44,8 +44,12 @@ public final class ZipArchiveFakeEntry extends ZipArchiveEntry implements Closea
     private static int MAX_ENTRY_SIZE = DEFAULT_MAX_ENTRY_SIZE;
 
     public static void setMaxEntrySize(int maxEntrySize) {
+        if(maxEntrySize < 0) {
+            MAX_ENTRY_SIZE = DEFAULT_MAX_ENTRY_SIZE;
+        } else {
             MAX_ENTRY_SIZE = maxEntrySize;
         }
+    }
 
     public static int getMaxEntrySize() {
        return MAX_ENTRY_SIZE;
@@ -61,7 +65,7 @@ public final class ZipArchiveFakeEntry extends ZipArchiveEntry implements Closea
         final long entrySize = entry.getSize();
 
         final int threshold = ZipInputStreamZipEntrySource.getThresholdBytesForTempFiles();
-        if (threshold >= 0 && entrySize >= threshold) {
+        if (threshold >= 0 && (entrySize >= threshold || entrySize == -1)) {
             if (ZipInputStreamZipEntrySource.shouldEncryptTempFiles()) {
                 encryptedTempData = new EncryptedTempData();
                 try (OutputStream os = encryptedTempData.getOutputStream()) {

poi-ooxml/src/test/java/org/apache/poi/xwpf/usermodel/TestXWPFBugs.java

@@ -28,6 +28,9 @@ import java.io.IOException;
 import java.math.BigInteger;
 import java.util.List;
 
+import org.apache.poi.openxml4j.util.ZipArchiveFakeEntry;
+import org.apache.poi.openxml4j.util.ZipInputStreamZipEntrySource;
+import org.apache.poi.util.IOUtils;
 import org.apache.poi.util.Units;
 import org.apache.poi.xwpf.XWPFTestDataSamples;
 import org.apache.poi.xwpf.usermodel.XWPFRun.FontCharRange;
@@ -329,7 +332,7 @@ class TestXWPFBugs {
         }
     }
 
-    private static void addNumberingWithAbstractId(XWPFNumbering documentNumbering, int id){
+    private static void addNumberingWithAbstractId(XWPFNumbering documentNumbering, int id) {
         // create a numbering scheme
         CTAbstractNum cTAbstractNum = CTAbstractNum.Factory.newInstance();
         // give the scheme an ID
@@ -340,4 +343,27 @@ class TestXWPFBugs {
 
         documentNumbering.addNum(abstractNumID);
     }
+
+    @Test
+    void testBug69628() throws IOException {
+        final int expectedParagraphs = 24;
+        // bug69628.docx has -1 entry sizes in the zip data
+        try (XWPFDocument doc = XWPFTestDataSamples.openSampleDocument("bug69628.docx")) {
+            assertEquals(expectedParagraphs, doc.getParagraphs().size());
+        }
+        // test again with smaller byte array max
+        ZipArchiveFakeEntry.setMaxEntrySize(30 * 1024 * 1024);
+        try (XWPFDocument doc = XWPFTestDataSamples.openSampleDocument("bug69628.docx")) {
+            assertEquals(expectedParagraphs, doc.getParagraphs().size());
+        } finally {
+            ZipArchiveFakeEntry.setMaxEntrySize(-1);
+        }
+        // test again but temp files enabled
+        ZipInputStreamZipEntrySource.setThresholdBytesForTempFiles(1000);
+        try (XWPFDocument doc = XWPFTestDataSamples.openSampleDocument("bug69628.docx")) {
+            assertEquals(expectedParagraphs, doc.getParagraphs().size());
+        } finally {
+            ZipInputStreamZipEntrySource.setThresholdBytesForTempFiles(-1);
+        }
+    }
 }