libjava/testsuite/libjava.lang/Process_7.java

   1 // Verify we can modify the environment.
   2 import java.io.BufferedReader;
   3 import java.io.InputStream;
   4 import java.io.InputStreamReader;
   5 import java.util.Map;
   6
   7
   8
   9 public class Process_7
  10 {
  11   public static void main(String[] args)
  12   {
  13     try
  14       {
  15         ProcessBuilder pb = new ProcessBuilder("env");
  16         Map<String, String> e = pb.environment();
  17         e.clear();
  18         String v = "process7_value";
  19         String k = "PROCESS_7_KEY";
  20         e.put(k, v);
  21         Process p = pb.start();
  22         InputStream is = p.getInputStream();
  23         InputStreamReader isr = new InputStreamReader(is);
  24         BufferedReader br = new BufferedReader(isr);
  25         boolean found = false;
  26
  27         String result;
  28         while ((result = br.readLine()) != null)
  29           {
  30             if (result.equals(k + '=' + v))
  31               found = true;
  32           }
  33         if (!found)
  34           {
  35             System.out.println("bad");
  36             return;
  37           }
  38         System.out.println("ok");
  39       }
  40     catch (Exception ex)
  41       {
  42         System.out.println(ex.toString());
  43       }
  44   }
  45 }