/************************************************************************* /* MarkReset.java -- Tests BufferedInputStream mark for huge values /* /* 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: JDK1.0 package gnu.testlet.wonka.io.BufferedInputStream; import gnu.testlet.Testlet; import gnu.testlet.TestHarness; import java.io.*; public class BigMark implements Testlet { public void test(TestHarness harness) { test(harness, 32 * 1024); test(harness, 128 * 1024); test(harness, 1024 * 1024); //test(harness, Integer.MAX_VALUE - 1024); //test(harness, Integer.MAX_VALUE - 1); //test(harness, Integer.MAX_VALUE); } public void test(TestHarness harness, int size) { harness.checkPoint("mark(" + size + ")"); try { // array larger than default final int K = 16; byte[] dummy = new byte[K * 1024]; dummy[2] = 42; dummy[3] = 13; ByteArrayInputStream bais = new ByteArrayInputStream(dummy); BufferedInputStream bis = new BufferedInputStream(bais); bis.read(); bis.read(); bis.mark(size); int answer = bis.read(); harness.check(answer, 42); for (int i = 0; i < K / 2; i++) bis.skip(1024); bis.reset(); answer = bis.read(); harness.check(answer, 42); bis.mark(size); answer = bis.read(); harness.check(answer, 13); for (int i = 0; i < (K / 2) * 1024; i++) bis.read(); bis.reset(); answer = bis.read(); harness.check(answer, 13); } catch (IOException e) { harness.debug(e); harness.check(false); } } }