source: class QueryTest {
  
      @Test
      public void testStringEscaping() throws Exception {
  
target:         StringBuilder result = new StringBuilder();
          Query.appendQuotedString(result, "\0 \r \n \\ \" c ꝏ");
          assertEquals("\"\\u0000 \\r \\n \\\\ \\\" c ꝏ\"", result.toString());
      }
  
  }