assertNull(getIdMethod.invoke(crawlingConfigHelper, "W"));
            assertEquals("123", getIdMethod.invoke(crawlingConfigHelper, "W123"));
            assertEquals("abc", getIdMethod.invoke(crawlingConfigHelper, "Fabc"));
            assertEquals("xyz", getIdMethod.invoke(crawlingConfigHelper, "Dxyz"));
        } catch (Exception e) {
            fail("Failed to test getId method: " + e.getMessage());
        }

        assertEquals("123 abc", documentHelper.getContent(null, responseData, " 123 abc ", dataMap));
        assertEquals("１２３ あいう", documentHelper.getContent(null, responseData, "　１２３　あいう　", dataMap));
        assertEquals("123 abc", documentHelper.getContent(null, responseData, " 123\nabc ", dataMap));
    }

    public void test_getContent_maxAlphanum() {

    // Identical valid surrogate pairs.
    assertEquals(
        "abc\uD8AB\uDCAB", Strings.commonPrefix("abc\uD8AB\uDCABdef", "abc\uD8AB\uDCABxyz"));
    // Differing valid surrogate pairs.
    assertEquals("abc", Strings.commonPrefix("abc\uD8AB\uDCABdef", "abc\uD8AB\uDCACxyz"));
    // One invalid pair.

    val response = client.newCall(request).execute()
    assertThat(response.body.string()).isEqualTo("abc")
    assertThat(socksProxy.connectionCount()).isEqualTo(1)
  }

  @Test
  fun checkRemoteDNSResolve() {
    // This testcase will fail if the target is resolved locally instead of through the proxy.
    server.enqueue(MockResponse.Builder().body("abc").build())
    val client =
      clientTestRule
        .newClientBuilder()

      MockResponse
        .Builder()
        .body("abc")
        .build(),
    )
    val call =
      client.newCall(
        Request
          .Builder()
          .url(server.url("/"))
          .build(),
      )
    val response = call.execute()
    assertThat(response.code).isEqualTo(200)
    assertThat(response.body.string()).isEqualTo("abc")
    response.body.close()

          ),
        body = "ABC.1",
      ),
    )
    server.enqueue(
      MockResponse(
        headers =
          headersOf(
            "Last-Modified",
            formatDate(-1, TimeUnit.HOURS)!!,
            "Expires",
            formatDate(1, TimeUnit.HOURS)!!,
          ),
        body = "ABC.2",
      ),
    )
    client =
      client

      MockResponse
        .Builder()
        .body("abc")
        .doNotReadRequestBody()
        .build(),
    )

    val call =
      client.newCall(
        Request(
          url = server.url("/"),
          body = SlowRequestBody,
        ),
      )

    call.execute().use { response ->
      assertThat(response.body.string()).isEqualTo("abc")
    }

    val expectedEvents = mutableListOf<String>()

        value = "${abc.xyz}";
        assertEquals(value, ResourceUtil.resolve(value));

        System.setProperty("abc.xyz", "789");

        value = "${abc.xyz}";
        assertEquals("789", ResourceUtil.resolve(value));

        value = "${abc}${abc.xyz}";
        assertEquals("123789", ResourceUtil.resolve(value));

        value = "xxx${abc.xyz}zzz";
        assertEquals("xxx789zzz", ResourceUtil.resolve(value));

        .Builder()
        .url(server.url("/"))
        .addHeader("Original-Header", "foo")
        .method("PUT", "abc".toRequestBody("text/plain".toMediaType()))
        .build()
    client.newCall(request).execute()
    val recordedRequest = server.takeRequest()
    assertThat(recordedRequest.body?.utf8()).isEqualTo("ABC")
    assertThat(recordedRequest.headers["Original-Header"]).isEqualTo("foo")

    server.enqueue(
      MockResponse
        .Builder()
        .body("abc")
        .build(),
    )
    val call1 =
      client.newCall(
        Request
          .Builder()
          .url(server.url("/"))
          .build(),
      )
    val response1 = call1.execute()
    assertThat(response1.body.string()).isEqualTo("abc")
  }

  /**