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Diffstat (limited to 'libjava/classpath/test/java.io/PushbackReaderTest.java')
| -rw-r--r-- | libjava/classpath/test/java.io/PushbackReaderTest.java | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/libjava/classpath/test/java.io/PushbackReaderTest.java b/libjava/classpath/test/java.io/PushbackReaderTest.java new file mode 100644 index 0000000..3378306 --- /dev/null +++ b/libjava/classpath/test/java.io/PushbackReaderTest.java @@ -0,0 +1,115 @@ +/************************************************************************* +/* PushbackReaderTest.java -- Tests PushbackReader's of course +/* +/* 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 PushbackReaderTest extends PushbackReader +{ + +public +PushbackReaderTest(Reader r, int size) +{ + super(r, size); +} + +public static void +main(String[] argv) +{ + System.out.println("Started test of PushbackReader"); + + String str = "I used to idolize my older cousin Kurt. I wanted to be\n" + + "just like him when I was a kid. (Now we are as different as night\n" + + "and day - but still like each other). One thing he did for a while\n" + + "was set traps for foxes thinking he would make money off sellnig furs.\n" + + "Now I never saw a fox in all my years of Southern Indiana. That\n" + + "didn't deter us. One time we went out in the middle of winter to\n" + + "check our traps. It was freezing and I stepped onto a frozen over\n" + + "stream. The ice broke and I got my foot soak. Despite the fact that\n" + + "it made me look like a girl, I turned around and went straight home.\n" + + "Good thing too since I couldn't even feel my foot by the time I got\n" + + "there.\n"; + + System.out.println("Test 1: Basic Unread Tests"); + try + { + PushbackReaderTest prt = new PushbackReaderTest( + new StringReader(str), 15); + + char[] read_buf1 = new char[12]; + char[] read_buf2 = new char[12]; + + boolean passed = true; + + prt.read(read_buf1); + prt.unread(read_buf1); + prt.read(read_buf2); + + for (int i = 0; i < read_buf1.length; i++) + { + if (read_buf1[i] != read_buf2[i]) + passed = false; + } + + prt.unread(read_buf2, 1, read_buf2.length - 1); + prt.unread(read_buf2[0]); + + int chars_read, total_read = 0; + while ((chars_read = prt.read(read_buf1)) != -1) + { + System.out.print(new String(read_buf1, 0, chars_read)); + total_read += chars_read; + } + + if (total_read != str.length()) + passed = false; + + if (passed) + System.out.println("PASSED: Basic Unread Tests"); + else + System.out.println("FAILED: Basic Unread Tests"); + } + catch(IOException e) + { + System.out.println("FAILED: Basic Unread Tests: " + e); + } + + System.out.println("Test 3: Buffer Overflow Test"); + try + { + PushbackReaderTest prt = new PushbackReaderTest( + new StringReader(str), 10); + + char[] read_buf = new char[12]; + + prt.read(read_buf); + prt.unread(read_buf); + System.out.println("FAILED: Buffer Overflow Test"); + } + catch(IOException e) + { + System.out.println("PASSED: Buffer Overflow Test: " + e); + } + + System.out.println("Finished tests of PushbackReader"); +} // main + +} // class PushbackReaderTest + |