Cover some dev-tools with a few simple tests, close resources correctly

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1780451 13f79535-47bb-0310-9956-ffa450edef68

src/scratchpad/testcases/org/apache/poi/hwpf/dev/TestHWPFLister.java

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+/* ====================================================================
+   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.hwpf.dev;
+
+import org.apache.poi.POIDataSamples;
+import org.junit.After;
+import org.junit.Test;
+
+import java.io.File;
+
+public class TestHWPFLister {
+    @After
+    public void tearDown() {
+        // the main-method sets these properties, we need to revert them here to not affect other tests
+        System.clearProperty("org.apache.poi.hwpf.preserveBinTables");
+        System.clearProperty("org.apache.poi.hwpf.preserveTextTable");
+    }
+
+    @Test
+    public void main() throws Exception {
+        File file = POIDataSamples.getDocumentInstance().getFile("SampleDoc.doc");
+        HWPFLister.main(new String[] { file.getAbsolutePath() });
+    }
+
+    @Test
+    public void mainAll() throws Exception {
+        File file = POIDataSamples.getDocumentInstance().getFile("SampleDoc.doc");
+        HWPFLister.main(new String[] {
+            file.getAbsolutePath(),
+                "--dop", "--textPieces", "--textPiecesText",
+                "--chpx", "--chpxProperties", "--chpxSprms",
+                "--papx", "--papxProperties", "--papxSprms",
+                "--paragraphs", "--paragraphsText",
+                "--bookmarks", "--escher",
+                "--fields", "--pictures",
+                "--officeDrawings", "--styles",
+                "--writereadback"
+        });
+    }
+}