queryBuf.append('=');
                queryBuf.append(URLUtil.encode(entry.getKey(), Constants.UTF_8));
                formBuf.append("<input type=\"hidden\" name=\"");
                formBuf.append(StringEscapeUtils.escapeHtml4(entry.getValue()));
                formBuf.append("\" value=\"");
                formBuf.append(StringEscapeUtils.escapeHtml4(entry.getKey()));

      assertThat(expected).hasMessageThat().isEqualTo("index (-1) must not be negative");
    }
  }

  public void testCheckElementIndex_tooHigh() {
    try {
      Preconditions.checkElementIndex(1, 1);
      fail();
    } catch (IndexOutOfBoundsException expected) {
      assertThat(expected).hasMessageThat().isEqualTo("index (1) must be less than size (1)");
    }
  }

      assertThat(expected).hasMessageThat().isEqualTo("index (-1) must not be negative");
    }
  }

  public void testCheckElementIndex_tooHigh() {
    try {
      Preconditions.checkElementIndex(1, 1);
      fail();
    } catch (IndexOutOfBoundsException expected) {
      assertThat(expected).hasMessageThat().isEqualTo("index (1) must be less than size (1)");
    }
  }

      if (declaringClass.getEnclosingConstructor() != null) {
        // Enclosed in a constructor, needs hidden this
        return true;
      }
      Method enclosingMethod = declaringClass.getEnclosingMethod();
      if (enclosingMethod != null) {
        // Enclosed in a method, if it's not static, must need hidden this.
        return !Modifier.isStatic(enclosingMethod.getModifiers());
      } else {