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- /*
- * Copyright (C) 2008, Google Inc. and others
- *
- * This program and the accompanying materials are made available under the
- * terms of the Eclipse Distribution License v. 1.0 which is available at
- * https://www.eclipse.org/org/documents/edl-v10.php.
- *
- * SPDX-License-Identifier: BSD-3-Clause
- */
-
- 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());
- }
-
- }
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