tdf#123293: port test from Java to CppUnitTest

Change-Id: I5297a041970871ab0fba6a71d59639b07072b64b
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/169889
Reviewed-by: Xisco Fauli <xiscofauli@libreoffice.org>
Tested-by: Jenkins

qadevOOo/runner/util/DesktopTools.java

@@ -258,51 +258,6 @@ public class DesktopTools
         return oDoc;
     }
 
-    /**
-     * loads a document of from a given path using an input stream
-     *
-     * @param xMSF the MultiServiceFactory
-     * @param filePath the path of the document to load.
-     * @return the XComponent Interface of the document
-     */
-    public static XComponent loadDocUsingStream(XMultiServiceFactory xMSF, String filePath)
-    {
-        XInputStream inputStream = null;
-        try {
-            final InputStream inputFile = new BufferedInputStream(
-                    new FileInputStream(filePath));
-            try {
-                final ByteArrayOutputStream bytes = new ByteArrayOutputStream();
-                final byte[] byteBuffer = new byte[4096];
-                int byteBufferLength = 0;
-                while ((byteBufferLength = inputFile.read(byteBuffer)) > 0)
-                    bytes.write(byteBuffer, 0, byteBufferLength);
-                inputStream = new ByteArrayToXInputStreamAdapter(
-                    bytes.toByteArray());
-            } finally {
-                inputFile.close();
-            }
-        } catch (java.io.IOException e) {
-            e.printStackTrace();
-        }
-
-        PropertyValue[] loadProps = new PropertyValue[1];
-        loadProps[0] = new PropertyValue();
-        loadProps[0].Name = "InputStream";
-        loadProps[0].Value = inputStream;
-
-        XComponent oDoc = null;
-        try
-        {
-            oDoc = getCLoader(xMSF).loadComponentFromURL("private:stream", "_blank", 0, loadProps);
-        }
-        catch (com.sun.star.uno.Exception e)
-        {
-            throw new IllegalArgumentException("Document could not be loaded", e);
-        }
-        return oDoc;
-    }
-
     /**
      * closes a given document
      * @param DocumentToClose the document to close