5 files changed, 156 insertions, 0 deletions

diff --git a/src/integrationtest/org/apache/poi/stress/TestAllFiles.java b/src/integrationtest/org/apache/poi/stress/TestAllFiles.java
index aa219bc2df..bd52eddef5 100644
--- a/src/integrationtest/org/apache/poi/stress/TestAllFiles.java
+++ b/src/integrationtest/org/apache/poi/stress/TestAllFiles.java
@@ -299,6 +299,7 @@ public class TestAllFiles {
         "document/61612a.docx",
         "document/word2.doc",
         "spreadsheet/xlsx-corrupted.xlsx",
+        "integration/stress025.docx",
 
         // old Excel files, which we only support simple text extraction of
         "spreadsheet/testEXCEL_2.xls",
diff --git a/src/ooxml/testcases/org/apache/poi/ooxml/TestTriggerCoverage.java b/src/ooxml/testcases/org/apache/poi/ooxml/TestTriggerCoverage.java
new file mode 100644
index 0000000000..f01d3dcc90
--- /dev/null
+++ b/src/ooxml/testcases/org/apache/poi/ooxml/TestTriggerCoverage.java
@@ -0,0 +1,155 @@
+/* ====================================================================
+   Licensed to the Apache Software Foundation (ASF) under one or more
+   contributor license agreements.  See the NOTICE file distributed with
+   this work for additional information regarding copyright ownership.
+   The ASF licenses this file to You under the Apache License, Version 2.0
+   (the "License"); you may not use this file except in compliance with
+   the License.  You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+==================================================================== */
+package org.apache.poi.ooxml;
+
+import org.apache.poi.POIDataSamples;
+import org.apache.poi.extractor.ExtractorFactory;
+import org.apache.poi.extractor.POITextExtractor;
+import org.apache.poi.sl.draw.Drawable;
+import org.apache.poi.sl.usermodel.Slide;
+import org.apache.poi.sl.usermodel.SlideShow;
+import org.apache.poi.ss.extractor.EmbeddedData;
+import org.apache.poi.ss.extractor.EmbeddedExtractor;
+import org.apache.poi.ss.usermodel.Sheet;
+import org.apache.poi.ss.usermodel.Workbook;
+import org.apache.poi.xslf.usermodel.XMLSlideShow;
+import org.apache.poi.xssf.usermodel.XSSFWorkbook;
+import org.apache.poi.xwpf.usermodel.XWPFDocument;
+import org.junit.jupiter.api.Assumptions;
+import org.junit.jupiter.params.ParameterizedTest;
+import org.junit.jupiter.params.provider.Arguments;
+import org.junit.jupiter.params.provider.MethodSource;
+
+import java.awt.Dimension;
+import java.awt.Graphics2D;
+import java.awt.RenderingHints;
+import java.awt.image.BufferedImage;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.lang.ref.WeakReference;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import java.util.stream.Stream;
+
+import static org.junit.jupiter.api.Assertions.assertNotNull;
+
+/**
+ * Test to trigger code-execution of various parts so
+ * that all required elements are inclueded in the ooxml-schema-lite package
+ */
+public class TestTriggerCoverage {
+    private static final Set<String> FAILING = new HashSet<>();
+    static {
+        FAILING.add("stress025.docx");
+    }
+
+    private static Stream<Arguments> files() {
+        String dataDirName = System.getProperty(POIDataSamples.TEST_PROPERTY);
+        if(dataDirName == null) {
+            dataDirName = "test-data";
+        }
+
+        List<Arguments> files = new ArrayList<>();
+        findFile(files, dataDirName + "/integration");
+
+        return files.stream();
+    }
+
+    private static void findFile(List<Arguments> list, String dir) {
+        String[] files = new File(dir).list();
+        assertNotNull(files, "Did not find any files in directory " + dir);
+
+        for(String file : files) {
+            list.add(Arguments.of(new File(dir, file)));
+        }
+    }
+
+    @ParameterizedTest
+    @MethodSource("files")
+    public void testFile(File file) throws Exception {
+        try (InputStream stream = new FileInputStream(file)) {
+            if (file.getName().endsWith(".docx")) {
+                try (XWPFDocument doc = new XWPFDocument(stream)) {
+                    assertNotNull(doc);
+                }
+            } else if (file.getName().endsWith(".xlsx")) {
+                try (XSSFWorkbook xls = new XSSFWorkbook(stream)) {
+                    assertNotNull(xls);
+                    extractEmbedded(xls);
+                }
+            } else if (file.getName().endsWith(".pptx")) {
+                try (XMLSlideShow ppt = new XMLSlideShow(stream)) {
+                    assertNotNull(ppt);
+                    renderSlides(ppt);
+                }
+            } else {
+                throw new IllegalArgumentException("Don't know how to handle file " + file);
+            }
+        } catch (Exception e) {
+            Assumptions.assumeFalse(FAILING.contains(file.getName()),
+                    "File " + file + " is expected to fail");
+
+            throw e;
+        }
+
+        try (InputStream stream = new FileInputStream(file)) {
+            try (POITextExtractor extractor = ExtractorFactory.createExtractor(stream)) {
+                assertNotNull(extractor.getText());
+            }
+        }
+    }
+
+    private void extractEmbedded(Workbook wb) throws IOException {
+        EmbeddedExtractor ee = new EmbeddedExtractor();
+
+        for (Sheet s : wb) {
+            for (EmbeddedData ed : ee.extractAll(s)) {
+                assertNotNull(ed.getFilename());
+                assertNotNull(ed.getEmbeddedData());
+                assertNotNull(ed.getShape());
+            }
+        }
+    }
+
+    private void renderSlides(SlideShow<?,?> ss) {
+        Dimension pgSize = ss.getPageSize();
+
+        for (Slide<?,?> s : ss.getSlides()) {
+            BufferedImage img = new BufferedImage(pgSize.width, pgSize.height, BufferedImage.TYPE_INT_ARGB);
+            Graphics2D graphics = img.createGraphics();
+
+            // default rendering options
+            graphics.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
+            graphics.setRenderingHint(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);
+            graphics.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BICUBIC);
+            graphics.setRenderingHint(RenderingHints.KEY_FRACTIONALMETRICS, RenderingHints.VALUE_FRACTIONALMETRICS_ON);
+            graphics.setRenderingHint(Drawable.BUFFERED_IMAGE, new WeakReference<>(img));
+
+            // draw stuff
+            s.draw(graphics);
+
+            graphics.dispose();
+            img.flush();
+        }
+    }
+}
diff --git a/test-data/integration/stress023.docx b/test-data/integration/stress023.docx
new file mode 100644
index 0000000000..e0e7dd7b3b
--- /dev/null
+++ b/test-data/integration/stress023.docx
diff --git a/test-data/integration/stress024.xlsx b/test-data/integration/stress024.xlsx
new file mode 100644
index 0000000000..b6df0294cb
--- /dev/null
+++ b/test-data/integration/stress024.xlsx
diff --git a/test-data/integration/stress025.docx b/test-data/integration/stress025.docx
new file mode 100644
index 0000000000..a4ddf1b35e
--- /dev/null
+++ b/test-data/integration/stress025.docx