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Subject: Purpose of .net.SocketTest test_BasicServer #12
Date: Wed, 29 Jan 2003 21:10:00 -0000
Message-ID: <F2E670D5036BE14E89473A3FAEDE6ACE01BD6B56@merc18.na.sas.com>
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From: "Steve Murry" <Steve.Murry@sas.com>
To: <mauve-discuss@sources.redhat.com>
X-SW-Source: 2003-q1/txt/msg00011.txt.bz2

Can someone examine the following testcase in the .net.Socket package and l=
et me know what it is designed to test.  I'm unsure about the garbage colle=
ctor comment, but it would appear that the purpose of the test is to connec=
t to the local Echo server at port #7, and then test the getInputStream() a=
nd getOutputStream() methods.  However, it then expects an IOException, and=
 why I'm not sure.  On some of our unix hosts that I'm using, we *do* get a=
n exception within the test, but the exception is on the 'new Socket("127.0=
.0.1", 7)' statement because the Echo server wasn't running at the time.  H=
owever, in this case the Mauve harness check still reported this test as 'P=
ASS' because of the catch code.  My gut feeling is that the test is not des=
igned to test the Echo server but rather to test the Input and Output metho=
ds; however, I'll leave it up to bigger minds to make the final determinati=
on.

Thanks for the help

Steve Murry
SAS Institute, Inc.=20


    // This test is incorrect.  You cannot rely on System.gc() causing
    // the garbage collector to run.
    try {
      sock =3D new Socket("127.0.0.1", 7);
      InputStream sin =3D null;
      OutputStream sout =3D null;

      // create 10 refs and make sure finalize() is invoked.
      for (int i =3D 0; i < 10; i++) {
        sin =3D sock.getInputStream();
        sout =3D sock.getOutputStream();
      }
      harness.fail("Error : test_BasicServer failed - 12 " +
                   "exception was not thrown");
    }
    catch (IOException e) {
      harness.check(true);
    }
    finally {
      try {
        if (sock !=3D null)
          sock.close();
      } catch(IOException ignored) {}
    }

    // invoke finalize()
    System.gc();