package testmysql ;

import com.mysql.jdbc.StringUtils ;

public class TestComments {
  public static void main (String [] args) {
    assertOffset (0, StringUtils.getOffset ("SELECT")) ;
    assertOffset (1, StringUtils.getOffset ("\nSELECT")) ;
    assertOffset (7, StringUtils.getOffset (" \t \r \n SELECT")) ;
    assertOffset (16, StringUtils.getOffset ("# comment here \nSELECT")) ;
    assertOffset (18, StringUtils.getOffset ("/* comment here */SELECT")) ;
    assertOffset (19, StringUtils.getOffset ("/* comment her*e */SELECT")) ;
    assertOffset (20, StringUtils.getOffset ("/* comment her*e/ */SELECT")) ;
    assertOffset (20, StringUtils.getOffset ("/* comment-- here */SELECT")) ;
    assertOffset (19, StringUtils.getOffset ("/* comment# here */SELECT")) ;
    assertOffset (4, StringUtils.getOffset ("-- \nSELECT")) ;
    assertOffset (0, StringUtils.getOffset ("- - SELECT")) ;
    assertOffset (0, StringUtils.getOffset ("--SELECT")) ;
    assertOffset (8, StringUtils.getOffset ("/*SELECT")) ;
    assertOffset (0, StringUtils.getOffset ("/ *SELECT")) ;
    assertOffset (0, StringUtils.getOffset ("")) ;
    assertOffset (0, StringUtils.getOffset (null)) ;
  }

  public static void assertOffset (int expected, int actual) {
    if (expected != actual) {
      throw new RuntimeException ("Expected " + expected + ", but found " + actual) ;
    }
  }
}