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From-SVN: r102074

1 files changed, 200 insertions, 0 deletions

diff --git a/libjava/classpath/test/java.io/BufferedReaderTest.java b/libjava/classpath/test/java.io/BufferedReaderTest.java
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+/*************************************************************************
+/* BufferedReaderTest.java -- Tests BufferedReader's
+/*
+/* 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 BufferedReaderTest extends CharArrayReader
+{
+
+// Hehe.  We override CharArrayReader.markSupported() in order to return
+// false so that we can test BufferedReader's handling of mark/reset in
+// both the case where the underlying stream does and does not support
+// mark/reset
+public boolean
+markSupported()
+{
+  return(false);
+}
+
+public
+BufferedReaderTest(char[] buf)
+{
+  super(buf);
+}
+
+public static int
+marktest(Reader ins) throws IOException
+{
+  BufferedReader br = new BufferedReader(ins, 15);
+
+  int chars_read;  
+  int total_read = 0;
+  char[] buf = new char[12];
+
+  chars_read = br.read(buf);
+  total_read += chars_read;
+  System.out.print(new String(buf, 0, chars_read));
+
+  chars_read = br.read(buf);
+  total_read += chars_read;
+  System.out.print(new String(buf, 0, chars_read));
+
+  br.mark(75);
+  br.read();
+  br.read(buf);
+  br.read(buf);
+  br.read(buf);
+  br.reset();
+
+  chars_read = br.read(buf);
+  total_read += chars_read;
+  System.out.print(new String(buf, 0, chars_read));
+
+  br.mark(555);
+
+  chars_read = br.read(buf);
+  total_read += chars_read;
+  System.out.print(new String(buf, 0, chars_read));
+
+  br.reset();
+
+  br.read(buf);
+  chars_read = br.read(buf);
+  total_read += chars_read;
+  System.out.print(new String(buf, 0, chars_read));
+
+  chars_read = br.read(buf);
+  total_read += chars_read;
+  System.out.print(new String(buf, 0, chars_read));
+
+  br.mark(14);
+
+  br.read(buf);
+
+  br.reset();
+
+  chars_read = br.read(buf);
+  total_read += chars_read;
+  System.out.print(new String(buf, 0, chars_read));
+
+  while ((chars_read = br.read(buf)) != -1)
+    {
+      System.out.print(new String(buf, 0, chars_read));
+      total_read += chars_read;
+    }
+
+  return(total_read);
+}
+
+public static void
+main(String[] argv)
+{
+  System.out.println("Started test of BufferedReader");
+
+  try
+    {
+      System.out.println("Test 1: Simple Read Test");
+
+      String str = "My 5th grade teacher was named Mr. Thompson.  Terry\n" +
+        "George Thompson to be precise.  He had these sideburns like\n" +
+        "Isaac Asimov's, only uglier.  One time he had a contest and said\n" +
+        "that if any kid who could lift 50lbs worth of weights on a barbell\n" +
+        "all the way over their head, he would shave it off.  Nobody could\n" +
+        "though.  One time I guess I made a comment about how stupid his\n" +
+        "sideburns worked and he not only kicked me out of class, he called\n" +
+        "my mother.  Jerk.\n";
+
+      StringReader sr = new StringReader(str);
+      BufferedReader br = new BufferedReader(sr, 15);
+
+      char[] buf = new char[12];
+      int chars_read;
+      while((chars_read = br.read(buf)) != -1)
+        System.out.print(new String(buf, 0, chars_read));
+
+      br.close();
+      System.out.println("PASSED: Simple Read Test");
+    }
+  catch (IOException e)
+    {
+      System.out.println("FAILED: Simple Read Test: " + e);
+    }
+
+  try
+    {
+      System.out.println("Test 2: First mark/reset Test");
+
+      String str = "Growing up in a rural area brings such delights.  One\n" +
+        "time my uncle called me up and asked me to come over and help him\n" +
+        "out with something.  Since he lived right across the field, I\n" +
+        "walked right over.  Turned out he wanted me to come down to the\n" +
+        "barn and help him castrate a calf.  Oh, that was fun.  Not.\n";
+
+      StringReader sr = new StringReader(str);
+//      BufferedReader br = new BufferedReader(sr);
+
+      int total_read = marktest(sr);
+
+      if (total_read == str.length())
+        System.out.println("PASSED: First mark/reset Test");
+      else
+        System.out.println("FAILED: First mark/reset Test");
+    }
+  catch (IOException e)
+    {
+      System.out.println("FAILED: First mark/reset Test: " + e);
+    }
+   
+  try
+    {
+      System.out.println("Test 3: Second mark/reset Test");
+
+      String str = "Growing up we heated our house with a wood stove.  That\n" +
+        "thing could pump out some BTU's, let me tell you.  No matter how\n" +
+        "cold it got outside, it was always warm inside.  Of course the\n" +
+        "downside is that somebody had to chop the wood for the stove. That\n" +
+        "somebody was me.  I was slave labor.  My uncle would go back and\n" +
+        "chain saw up dead trees and I would load the wood in wagons and\n" +
+        "split it with a maul. Somehow my no account brother always seemed\n" +
+        "to get out of having to work.\n";
+
+      char[] buf = new char[str.length()];
+      str.getChars(0, str.length(), buf, 0);
+      BufferedReaderTest brt = new BufferedReaderTest(buf);
+//      BufferedReader br = new BufferedReader(car);
+
+      int total_read = marktest(brt);
+
+      if (total_read == str.length())
+        System.out.println("PASSED: Second mark/reset Test");
+      else
+        System.out.println("FAILED: Second mark/reset Test");
+    }
+  catch (IOException e)
+    {
+      System.out.println("FAILED: Second mark/reset Test: " + e);
+    }
+
+  System.out.println("Finished test of BufferedReader");
+} // main
+
+} // class BufferedReaderTest
+