/*
    * Copyright (C) 2008, Google Inc.
    * and other copyright owners as documented in the project's IP log.
    *
    * This program and the accompanying materials are made available
    * under the terms of the Eclipse Distribution License v1.0 which
    * accompanies this distribution, is reproduced below, and is
    * available at http://www.eclipse.org/org/documents/edl-v10.php
    *
   * All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or
   * without modification, are permitted provided that the following
   * conditions are met:
   *
   * - Redistributions of source code must retain the above copyright
   *   notice, this list of conditions and the following disclaimer.
   *
   * - Redistributions in binary form must reproduce the above
   *   copyright notice, this list of conditions and the following
   *   disclaimer in the documentation and/or other materials provided
   *   with the distribution.
   *
   * - Neither the name of the Eclipse Foundation, Inc. nor the
   *   names of its contributors may be used to endorse or promote
   *   products derived from this software without specific prior
   *   written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
   * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
   * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
   * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
   * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
   * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
   * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
   * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
   * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   */
  
  package org.eclipse.jgit.util;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertFalse;
  import static org.junit.Assert.assertTrue;
  import static org.junit.Assert.fail;
  
  import org.junit.Test;
  
  public class IntListTest {
  	@Test
  	public void testEmpty_DefaultCapacity() {
  		final IntList i = new IntList();
  		assertEquals(0, i.size());
  		try {
  			i.get(0);
  			fail("Accepted 0 index on empty list");
  		} catch (ArrayIndexOutOfBoundsException e) {
  			assertTrue(true);
  		}
  	}
  
  	@Test
  	public void testEmpty_SpecificCapacity() {
  		final IntList i = new IntList(5);
  		assertEquals(0, i.size());
  		try {
  			i.get(0);
  			fail("Accepted 0 index on empty list");
  		} catch (ArrayIndexOutOfBoundsException e) {
  			assertTrue(true);
  		}
  	}
  
  	@Test
  	public void testAdd_SmallGroup() {
  		final IntList i = new IntList();
  		final int n = 5;
  		for (int v = 0; v < n; v++)
  			i.add(10 + v);
  		assertEquals(n, i.size());
  
  		for (int v = 0; v < n; v++)
  			assertEquals(10 + v, i.get(v));
  		try {
  			i.get(n);
  			fail("Accepted out of bound index on list");
  		} catch (ArrayIndexOutOfBoundsException e) {
  			assertTrue(true);
  		}
  	}
  
  	@Test
  	public void testAdd_ZeroCapacity() {
  		final IntList i = new IntList(0);
  		assertEquals(0, i.size());
 		i.add(1);
 		assertEquals(1, i.get(0));
 	}
 
 	@Test
 	public void testAdd_LargeGroup() {
 		final IntList i = new IntList();
 		final int n = 500;
 		for (int v = 0; v < n; v++)
 			i.add(10 + v);
 		assertEquals(n, i.size());
 
 		for (int v = 0; v < n; v++)
 			assertEquals(10 + v, i.get(v));
 		try {
 			i.get(n);
 			fail("Accepted out of bound index on list");
 		} catch (ArrayIndexOutOfBoundsException e) {
 			assertTrue(true);
 		}
 	}
 
 	@Test
 	public void testFillTo0() {
 		final IntList i = new IntList();
 		i.fillTo(0, Integer.MIN_VALUE);
 		assertEquals(0, i.size());
 	}
 
 	@Test
 	public void testFillTo1() {
 		final IntList i = new IntList();
 		i.fillTo(1, Integer.MIN_VALUE);
 		assertEquals(1, i.size());
 		i.add(0);
 		assertEquals(Integer.MIN_VALUE, i.get(0));
 		assertEquals(0, i.get(1));
 	}
 
 	@Test
 	public void testFillTo100() {
 		final IntList i = new IntList();
 		i.fillTo(100, Integer.MIN_VALUE);
 		assertEquals(100, i.size());
 		i.add(3);
 		assertEquals(Integer.MIN_VALUE, i.get(99));
 		assertEquals(3, i.get(100));
 	}
 
 	@Test
 	public void testClear() {
 		final IntList i = new IntList();
 		final int n = 5;
 		for (int v = 0; v < n; v++)
 			i.add(10 + v);
 		assertEquals(n, i.size());
 
 		i.clear();
 		assertEquals(0, i.size());
 		try {
 			i.get(0);
 			fail("Accepted 0 index on empty list");
 		} catch (ArrayIndexOutOfBoundsException e) {
 			assertTrue(true);
 		}
 	}
 
 	@Test
 	public void testSet() {
 		final IntList i = new IntList();
 		i.add(1);
 		assertEquals(1, i.size());
 		assertEquals(1, i.get(0));
 
 		i.set(0, 5);
 		assertEquals(5, i.get(0));
 
 		try {
 			i.set(5, 5);
 			fail("accepted set of 5 beyond end of list");
 		} catch (ArrayIndexOutOfBoundsException e){
 			assertTrue(true);
 		}
 
 		i.set(1, 2);
 		assertEquals(2, i.size());
 		assertEquals(2, i.get(1));
 	}
 
 	@Test
 	public void testContains() {
 		IntList i = new IntList();
 		i.add(1);
 		i.add(4);
 		assertTrue(i.contains(1));
 		assertTrue(i.contains(4));
 		assertFalse(i.contains(2));
 	}
 
 	@Test
 	public void testToString() {
 		final IntList i = new IntList();
 		i.add(1);
 		assertEquals("[1]", i.toString());
 		i.add(13);
 		i.add(5);
 		assertEquals("[1, 13, 5]", i.toString());
 	}
 
 }