/************************************************************************* /* FileOutputStreamTest.java -- Test of FileOutputStream class /* /* Copyright (c) 1998 Free Software Foundation, Inc. /* Written by Aaron M. Renn (arenn@urbanophile.com) /* /* This program is free software; you can redistribute it and/or modify /* it under the terms of the GNU General Public License as published /* by the Free Software Foundation, either version 2 of the License, or /* (at your option) any later version. /* /* This program is distributed in the hope that it will be useful, but /* WITHOUT ANY WARRANTY; without even the implied warranty of /* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the /* GNU General Public License for more details. /* /* You should have received a copy of the GNU General Public License /* along with this program; if not, write to the Free Software Foundation /* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA /*************************************************************************/ import java.io.*; public class FileOutputStreamTest { public static void main(String[] argv) { System.out.println("Starting test of FileOutputStream"); System.out.println("Test 1: File Write Test"); try { String s1 = "Ok, what are some of the great flame wars that we have " + "had lately. Let us see, there was emacs vs. xemacs, " + "KDE vs. Gnome, and Tcl vs. Guile"; String s2 = "Operating systems I have known include: solaris, sco, " + "hp-ux, linux, freebsd, winblows, os400, mvs, tpf, its, multics"; //File f = File.createTempFile("fostest", new File("/tmp")); File f = new File("/tmp/000000"); FileOutputStream fos = new FileOutputStream(f.getPath()); fos.write(s1.getBytes(), 0, 32); fos.write(s1.getBytes(), 32, s1.getBytes().length - 32); fos.close(); fos = new FileOutputStream(f.getPath(), true); fos.write(s2.getBytes()); fos.close(); if (f.length() != (s1.length() + s2.length())) throw new IOException("Incorrect number of bytes written"); f.delete(); System.out.println("PASSED: File Write Test"); } catch(IOException e) { System.out.println("FAILED: File Write Test: " + e); } System.out.println("Test 2: Permission Denied Test"); try { FileOutputStream fos = new FileOutputStream("/etc/newtempfile"); System.out.println("FAILED: Permission Denied Test"); } catch (IOException e) { System.out.println("PASSED: Permission Denied Test: " + e); } System.out.println("Finished test of FileOutputStream"); } } // class FileOutputStreamTest