} else {
        assertEscaping(e, escapeAscii(c), c);
      }
    }
  }

  /** Tests that if specify '%' as safe the result is an idempotent escaper. */
  public void testCustomEscaper_withpercent() {
    UnicodeEscaper e = new PercentEscaper("%", false);
    assertThat(e.escape("foo|bar")).isEqualTo("foo%7Cbar");
    assertThat(e.escape("foo%7Cbar")).isEqualTo("foo%7Cbar"); // idempotent
  }

      } else {
        assertEscaping(e, escapeAscii(c), c);
      }
    }
  }

  /** Tests that if specify '%' as safe the result is an idempotent escaper. */
  public void testCustomEscaper_withpercent() {
    UnicodeEscaper e = new PercentEscaper("%", false);
    assertThat(e.escape("foo|bar")).isEqualTo("foo%7Cbar");
    assertThat(e.escape("foo%7Cbar")).isEqualTo("foo%7Cbar"); // idempotent
  }