gomp-20050608-branch/libjava/testsuite/libjava.lang/Process_2.java

   1 // Create a process and read from its standard error.
   2 import java.io.BufferedReader;
   3 import java.io.InputStream;
   4 import java.io.InputStreamReader;
   5
   6
   7 public class Process_2
   8 {
   9   public static void main(String[] args)
  10   {
  11     try
  12       {
  13         Runtime r = Runtime.getRuntime();
  14         String s = "Hello World";
  15         String[] a = { "sh", "-c", "echo " + s + " >&2" };
  16         Process p = r.exec(a);
  17         InputStream is = p.getErrorStream();
  18         InputStreamReader isr = new InputStreamReader(is);
  19         BufferedReader br = new BufferedReader(isr);
  20         String result = br.readLine();
  21         if (! s.equals(result))
  22           {
  23             System.out.println("bad 1");
  24             return;
  25           }
  26         result = br.readLine();
  27         if (result != null)
  28           {
  29             System.out.println("bad 2");
  30             return;
  31           }
  32         int c = p.waitFor();
  33         System.out.println(c == 0 ? "ok" : "bad 3");
  34       }
  35     catch (Exception ex)
  36       {
  37         System.out.println(ex.toString());
  38       }
  39   }
  40 }