Created a version of ListUtil that works with arrays of ints.

git-svn-id: https://samskivert.googlecode.com/svn/trunk@424 6335cc39-0255-0410-8fd6-9bcaacd3b74c
2001-11-06 02:13:29 +00:00
parent 9f3f17633a
commit 5f85b12298
2 changed files with 416 additions and 0 deletions
@@ -0,0 +1,129 @@
+//
+// $Id: IntListUtilTest.java,v 1.1 2001/11/06 02:13:29 mdb Exp $
+//
+// samskivert library - useful routines for java programs
+// Copyright (C) 2001 Michael Bayne
+// 
+// This library is free software; you can redistribute it and/or modify it
+// under the terms of the GNU Lesser General Public License as published
+// by the Free Software Foundation; either version 2.1 of the License, or
+// (at your option) any later version.
+//
+// This library 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
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+package com.samskivert.util;
+
+import junit.framework.Test;
+import junit.framework.TestCase;
+
+import com.samskivert.Log;
+import com.samskivert.test.TestUtil;
+
+public class IntListUtilTest extends TestCase
+{
+    public IntListUtilTest ()
+    {
+        super(IntListUtilTest.class.getName());
+    }
+
+    public void runTest ()
+    {
+        int[] list = null;
+
+        list = IntListUtil.add(list, 2);
+//          System.out.println("add(2): " + StringUtil.toString(list));
+        assert("add(2)", arraysEqual(list, new int[] { 2, 0, 0, 0 }));
+
+        list = IntListUtil.add(list, 5);
+//          System.out.println("add(5): " + StringUtil.toString(list));
+        assert("add(5)", arraysEqual(list, new int[] { 2, 5, 0, 0 }));
+
+        IntListUtil.clear(list, 2);
+//          System.out.println("clear(2): " + StringUtil.toString(list));
+        assert("clear(2)", arraysEqual(list, new int[] { 0, 5, 0, 0 }));
+
+        boolean contains5 = IntListUtil.contains(list, 5);
+//          System.out.println("contains(newBar): " + contains5);
+        assert("contains(5)", contains5);
+
+        IntListUtil.removeAt(list, 1);
+//          System.out.println("removeAt(1): " + StringUtil.toString(list));
+        assert("removeAt(1)", arraysEqual(list, new int[] { 0, 0, 0, 0 }));
+
+        list = IntListUtil.add(list, 0, 2);
+        list = IntListUtil.add(list, 1, 5);
+//          System.out.println("add(0, 2) + add(1, 5): " +
+//                             StringUtil.toString(list));
+        assert("add(0, 2) + add(1, 5))",
+               arraysEqual(list, new int[] { 2, 5, 0, 0 }));
+
+        IntListUtil.remove(list, 2);
+//          System.out.println("remove(2): " + StringUtil.toString(list));
+        assert("removeAt(2)", arraysEqual(list, new int[] { 5, 0, 0, 0 }));
+
+        list = IntListUtil.add(list, 0, 2);
+        list = IntListUtil.add(list, 1, 5);
+        list = IntListUtil.add(list, 2, 6);
+//          System.out.println("add(0, 2) + add(1, 5) + add(2, 6): " +
+//                             StringUtil.toString(list));
+        assert("add(0, 2) + add(1, 5) + add(2, 6)",
+               arraysEqual(list, new int[] { 5, 2, 5, 6 }));
+
+        IntListUtil.removeAt(list, 0);
+//          System.out.println("removeAt(0): " + StringUtil.toString(list));
+        assert("removeAt(0)", arraysEqual(list, new int[] { 2, 5, 6, 0 }));
+
+        int[] tl = IntListUtil.testAndAdd(list, 5);
+//          if (tl == null) {
+//              System.out.println("testAndAdd(5): failed: " +
+//                                 StringUtil.toString(list));
+//          } else {
+//              list = tl;
+//              System.out.println("testAndAdd(5): added: " +
+//                                 StringUtil.toString(list));
+//          }
+        assert("testAndAdd(5)", tl == null);
+
+        tl = IntListUtil.testAndAdd(list, 7);
+//          if (tl == null) {
+//              System.out.println("testAndAdd(7): failed: " +
+//                                 StringUtil.toString(list));
+//          } else {
+//              list = tl;
+//              System.out.println("testAndAdd(7): added: " +
+//                                 StringUtil.toString(list));
+//          }
+        assert("testAndAdd(7)", tl != null);
+
+        IntListUtil.removeAt(list, 0);
+//          System.out.println("removeAt(0): " + StringUtil.toString(list));
+        assert("removeAt(0)", arraysEqual(list, new int[] { 5, 6, 7, 0 }));
+    }
+
+    protected boolean arraysEqual (int[] a1, int[] a2)
+    {
+        if (a1.length != a2.length) {
+            return false;
+        }
+
+        for (int i = 0; i < a1.length; i++) {
+            if (a1[i] != a2[i]) {
+                return false;
+            }
+        }
+
+        return true;
+    }
+
+    public static Test suite ()
+    {
+        return new IntListUtilTest();
+    }
+}