Try to trigger gc to call finalize methods.

lib/src/test/test.java

@@ -171,16 +171,21 @@ public class test {
         } catch(Exception e) {
             fail("ERROR: Must be a EntryNotFoundException.");
         }
+        System.gc();
+        System.runFinalization();
     }
 
     @Test
     public void testArchiveDirect()
             throws JNIKiwixException, IOException, ZimFileFormatException, EntryNotFoundException {
+        {
             TestArchive archive = new TestArchive("small.zim");
             testArchive(archive);
             assertTrue(archive.check());
             assertEquals("small.zim", archive.getFilename());
-        archive.dispose();
+        }
+        System.gc();
+        System.runFinalization();
    }
 
    @Test
@@ -212,17 +217,21 @@ public class test {
     @Test
     public void testArchiveByFd()
             throws JNIKiwixException, IOException, ZimFileFormatException, EntryNotFoundException {
+        {
             FileInputStream fis = new FileInputStream("small.zim");
             TestArchive archive = new TestArchive(fis.getFD());
             testArchive(archive);
             assertTrue(archive.check());
             assertEquals("", archive.getFilename());
-        archive.dispose();
+        }
+        System.gc();
+        System.runFinalization();
     }
 
     @Test
     public void testArchiveWithAnEmbeddedArchive()
             throws JNIKiwixException, IOException, ZimFileFormatException, EntryNotFoundException {
+        {
             File plainArchive = new File("small.zim");
             FileInputStream fis = new FileInputStream("small.zim.embedded");
             TestArchive archive = new TestArchive(fis.getFD(), 8, plainArchive.length());
@@ -230,7 +239,9 @@ public class test {
             //assertTrue(archive.check());
             testArchive(archive);
             assertEquals("", archive.getFilename());
-        archive.dispose();
+        }
+        System.gc();
+        System.runFinalization();
     }
 
     private void testLibrary(TestLibrary lib)
@@ -270,6 +281,7 @@ public class test {
 
     @Test
     public void testLibrarySimple() throws IOException {
+        {
             TestLibrary lib = new TestLibrary();
             TestManager manager = new TestManager(lib);
             manager.addBookFromPath("small.zim", "small.zim", "http://localhost/small.zim", true);
@@ -286,9 +298,13 @@ public class test {
             bookIds = lib.getBooksIds();
             assertEquals(bookIds.length, 0);
         }
+        System.gc();
+        System.runFinalization();
+    }
 
     @Test
     public void testLibraryXml() throws IOException {
+        {
             TestLibrary lib = new TestLibrary();
             TestManager manager = new TestManager(lib);
             manager.readFile("library.xml");
@@ -300,9 +316,13 @@ public class test {
             assertEquals(book.getHumanReadableIdFromPath(), "small");
             assertTrue(book.isPathValid());
         }
+        System.gc();
+        System.runFinalization();
+    }
 
     @Test
     public void testLibraryXmlContent() throws IOException {
+        {
             TestLibrary lib = new TestLibrary();
             TestManager manager = new TestManager(lib);
             String content = getTextFileContent("library.xml");
@@ -315,9 +335,13 @@ public class test {
             assertEquals(book.getHumanReadableIdFromPath(), "small");
             assertTrue(book.isPathValid());
         }
+        System.gc();
+        System.runFinalization();
+    }
 
     @Test
     public void testLibraryOPDS() throws IOException {
+        {
             TestLibrary lib = new TestLibrary();
             TestManager manager = new TestManager(lib);
             String content = getTextFileContent("catalog.xml");
@@ -330,9 +354,13 @@ public class test {
             assertEquals(book.getHumanReadableIdFromPath(), "");
             assertFalse(book.isPathValid());
         }
+        System.gc();
+        System.runFinalization();
+    }
 
     @Test
     public void testServer() throws ZimFileFormatException, JNIKiwixException {
+        {
             TestArchive archive = new TestArchive("small.zim");
             TestLibrary lib = new TestLibrary();
             TestBook book = new TestBook();
@@ -349,9 +377,13 @@ public class test {
             assertTrue(server.start());
             server.stop();
         }
+        System.gc();
+        System.runFinalization();
+    }
 
     @Test
     public void testBookMark() throws ZimFileFormatException, JNIKiwixException {
+        {
             TestArchive archive = new TestArchive("small.zim");
             TestLibrary lib = new TestLibrary();
             TestBook book = new TestBook();
@@ -381,9 +413,13 @@ public class test {
             bookmarkArray = lib.getBookmarks(true);
             assertEquals(0, bookmarkArray.length);
         }
+        System.gc();
+        System.runFinalization();
+    }
 
     @Test
     public void testSearcher() throws Exception, ZimFileFormatException, JNIKiwixException {
+        {
             TestArchive archive = new TestArchive("small.zim");
 
             TestSearcher searcher = new TestSearcher(archive);
@@ -409,7 +445,6 @@ public class test {
 
             query.setGeorange(50,70,50);
             assertEquals(0, searcher.search(query).getEstimatedMatches());
-        searcher.dispose();
 
             TestSearcher searcher2 = new TestSearcher(new TestArchive[0]);
             searcher2.addArchive(archive);
@@ -428,7 +463,9 @@ public class test {
             assertEquals("main.html", suggestionItem.getPath());
             assertTrue(suggestionItem.hasSnippet());
             assertEquals("<b>Test</b> ZIM file", suggestionItem.getSnippet());
-        suggestionSearcher.dispose();
+        }
+        System.gc();
+        System.runFinalization();
     }
 
     static