PDFBOX-5660: close input, as suggested by Valery Bokov; refactor; closes #309

git-svn-id: https://svn.apache.org/repos/asf/pdfbox/trunk@1929495 13f79535-47bb-0310-9956-ffa450edef68

Author: THausherr

fontbox/src/test/java/org/apache/fontbox/ttf/TestTTFParser.java

@@ -68,12 +68,12 @@ void testUTCDate() throws IOException
     @Test
     void testPostTable() throws IOException
     {
-        InputStream input = TestTTFParser.class.getResourceAsStream(
-                "/ttf/LiberationSans-Regular.ttf");
-        assertNotNull(input);
-
-        TTFParser parser = new TTFParser();
-        TrueTypeFont font = parser.parse(new RandomAccessReadBuffer(input));
+        TrueTypeFont font;
+        try (InputStream is = TestTTFParser.class.getResourceAsStream("/ttf/LiberationSans-Regular.ttf"))
+        {
+            TTFParser parser = new TTFParser();
+            font = parser.parse(new RandomAccessReadBuffer(is));
+        }
 
         CmapTable cmapTable = font.getCmap();
         assertNotNull(cmapTable);