assertEquals(Double.parseDouble(expected), DocumentUtil.getValue(doc, "key1", Double.class).doubleValue());

        assertNull(DocumentUtil.getValue(doc, "key2", String.class));
    }

    public void test_strings() {
        Map<String, Object> doc = new HashMap<>();
        doc.put("key1", new String[] { "aaa", "bbb" });
        assertArrayEquals(new String[] { "aaa", "bbb" }, DocumentUtil.getValue(doc, "key1", String[].class));

  }

  public void testSkipFully() throws IOException {
    String testString = "abcdef";
    Reader reader = new StringReader(testString);

    assertEquals(testString.charAt(0), reader.read());
    CharStreams.skipFully(reader, 1);
    assertEquals(testString.charAt(2), reader.read());
    CharStreams.skipFully(reader, 2);
    assertEquals(testString.charAt(5), reader.read());

    assertEquals(-1, reader.read());
  }

  }

  public void testSkipFully() throws IOException {
    String testString = "abcdef";
    Reader reader = new StringReader(testString);

    assertEquals(testString.charAt(0), reader.read());
    CharStreams.skipFully(reader, 1);
    assertEquals(testString.charAt(2), reader.read());
    CharStreams.skipFully(reader, 2);
    assertEquals(testString.charAt(5), reader.read());

    assertEquals(-1, reader.read());
  }

    try {
      List<Callable<String>> l = new ArrayList<>();
      l.add(new StringTask());
      l.add(new StringTask());
      String result = invokeAnyImpl(e, l, false, 0, NANOSECONDS);
      assertSame(TEST_STRING, result);
    } finally {
      joinPool(e);
    }
  }

  private static void assertListenerRunImmediately(ListenableFuture<?> future) {
    CountingRunnable listener = new CountingRunnable();

        // Test generic type safety of getObject method
        // Since we're in test environment without request context, this will return null
        String stringResult = WebApiUtil.getObject("testString");
        assertNull("Should return null in test environment", stringResult);

        Integer intResult = WebApiUtil.getObject("testInteger");
        assertNull("Should return null in test environment", intResult);