content: package com.alibaba.fastjson2.issues;
  
  import com.alibaba.fastjson2.JSON;
  import com.alibaba.fastjson2.JSONObject;
  import com.alibaba.fastjson2.JSONReader;
  import com.alibaba.fastjson2.TestUtils;
  import org.junit.jupiter.api.Test;
  
  import java.nio.charset.StandardCharsets;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  
  public class Issue264 {
      @Test
      public void test() {
          String str = "// 首行的注释\n" +
                  "// 首行的注释\n" +
                  "{\n" +
                  "  // 此处的注释没有问题\n" +
                  "  \"type_number\": 1,\n" +
                  "  \"type_boolean\": true,\n" +
                  "  \"type_string\": \"abcd\",\n" +
                  "  \"type_object\": {\n" +
                  "    \"o1_1\": \"555\",\n" +
                  "    \"o1_2\": \"abcd\"\n" +
                  "  }\n" +
                  "}";
  
          assertEquals(
                  1,
                  JSON.parseObject(str)
                          .get("type_number")
          );
  
          byte[] bytes = str.getBytes(StandardCharsets.UTF_8);
          assertEquals(
                  1,
                  JSON.parseObject(bytes)
                          .get("type_number")
          );
  
          assertEquals(
                  1,
                  JSON.parseObject(bytes, 0, bytes.length)
                          .get("type_number")
          );
  
          assertEquals(
                  1,
                  JSON.parseObject(bytes, 0, bytes.length, StandardCharsets.US_ASCII)
                          .get("type_number")
          );
  
          byte[] utf16Bytes = str.getBytes(StandardCharsets.UTF_16);
          assertEquals(
                  1,
                  JSON.parseObject(utf16Bytes, 0, utf16Bytes.length, StandardCharsets.UTF_16)
                          .get("type_number")
          );
  
          JSONReader jsonReaderStr = TestUtils.createJSONReaderStr(str);
          assertEquals(
                  1, jsonReaderStr.read(JSONObject.class).get("type_number"));
      }
  }
  