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Diffstat (limited to 'gnu/testlet/java/io/PrintWriter/checkError.java')
-rw-r--r-- | gnu/testlet/java/io/PrintWriter/checkError.java | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/gnu/testlet/java/io/PrintWriter/checkError.java b/gnu/testlet/java/io/PrintWriter/checkError.java new file mode 100644 index 00000000..c6c28809 --- /dev/null +++ b/gnu/testlet/java/io/PrintWriter/checkError.java @@ -0,0 +1,66 @@ +/************************************************************************* +/* Test.java -- Tests PrintWriter +/* +/* Copyright (c) 2004 Free Software Foundation, Inc. +/* Written by Mark Wielaard (mark@klomp.org) +/* +/* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307 USA +/*************************************************************************/ + +// Tags: JDK1.1 + +package gnu.testlet.java.io.PrintWriter; + +import gnu.testlet.Testlet; +import gnu.testlet.TestHarness; + +import java.io.*; + +public class checkError extends OutputStream implements Testlet +{ + public void test(TestHarness harness) + { + // Check for (no) error after close + PrintWriter p = new PrintWriter(new checkError()); + harness.check(!p.checkError()); + p.write("something"); + harness.check(!p.checkError()); + p.close(); + harness.check(!p.checkError()); + p.write("anotherthing"); + harness.check(p.checkError()); + } + + // Mini OutputStream implementation + private boolean closed = false; + public void close() + { + closed = true; + } + + public void write(int i) throws IOException + { + if (closed) + throw new IOException("closed stream"); + } + + public void flush() throws IOException + { + if (closed) + throw new IOException("closed stream"); + } + +} // class Test + |