WT-1963. Refactored Java's next/prev/search/search_near, and modified

so they do not get the key/value when there is no format.

test/java/com/wiredtiger/test/BackupCursorTest.java

@@ -0,0 +1,85 @@
+/*-
+ * Public Domain 2014-2015 MongoDB, Inc.
+ * Public Domain 2008-2014 WiredTiger, Inc.
+ *
+ * This is free and unencumbered software released into the public domain.
+ *
+ * Anyone is free to copy, modify, publish, use, compile, sell, or
+ * distribute this software, either in source code form or as a compiled
+ * binary, for any purpose, commercial or non-commercial, and by any
+ * means.
+ *
+ * In jurisdictions that recognize copyright laws, the author or authors
+ * of this software dedicate any and all copyright interest in the
+ * software to the public domain. We make this dedication for the benefit
+ * of the public at large and to the detriment of our heirs and
+ * successors. We intend this dedication to be an overt act of
+ * relinquishment in perpetuity of all present and future rights to this
+ * software under copyright law.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ */
+package com.wiredtiger.test;
+
+import com.wiredtiger.db.Connection;
+import com.wiredtiger.db.Cursor;
+import com.wiredtiger.db.Session;
+import com.wiredtiger.db.WiredTigerPackingException;
+import com.wiredtiger.db.wiredtiger;
+
+import static org.junit.Assert.assertEquals;
+
+import org.junit.Test;
+import org.junit.Assert;
+import org.junit.runner.RunWith;
+import org.junit.runners.JUnit4;
+
+public class BackupCursorTest {
+    Connection conn;
+    Session s;
+    public final static int N_TABLES = 10;
+
+    @Test
+    public void backupCursor01()
+    throws WiredTigerPackingException {
+        setup();
+
+        Cursor c = s.open_cursor("backup:", null, null);
+        int ntables = 0;
+
+        /*
+         * Note: there may be additional files left over from
+         * other tests in the suite, ignore them.
+         */
+        while (c.next() == 0) {
+            String backupFile = c.getKeyString();
+            if (backupFile.startsWith("backupc"))
+                ntables++;
+        }
+
+        Assert.assertEquals(N_TABLES, ntables);
+        c.close();
+        teardown();
+    }
+
+    private void setup() {
+        conn = wiredtiger.open("WT_HOME", "create");
+        s = conn.open_session(null);
+        for (int i = 0; i < N_TABLES; i++)
+            s.create("table:backupc" + i, "key_format=S,value_format=S");
+    }
+
+    private void teardown() {
+        for (int i = 0; i < N_TABLES; i++)
+            s.drop("table:backupc" + i, "");
+        s.close("");
+        conn.close("");
+    }
+
+}