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|
// ArrayListTest.cs - NUnit Test Cases for the System.Collections.ArrayList class
//
// David Brandt (bucky@keystreams.com)
//
// (C) Ximian, Inc. http://www.ximian.com
//
using System;
using System.Collections;
using NUnit.Framework;
namespace MonoTests.System.Collections {
/// <summary>ArrayList test.</summary>
public class ArrayListTest : TestCase {
public ArrayListTest() : base ("MonoTests.System.ArrayListTest testsuite") {}
public ArrayListTest(string name) : base(name) {}
protected override void SetUp()
{
}
protected override void TearDown()
{
}
public static ITest Suite {
get {
return new TestSuite(typeof(ArrayListTest));
}
}
public void TestCtor() {
{
ArrayList al1 = new ArrayList();
AssertNotNull("no basic ArrayList", al1);
}
{
bool errorThrown = false;
try {
ArrayList a = new ArrayList(null);
} catch (ArgumentNullException) {
errorThrown = true;
}
Assert("null icollection error not thrown",
errorThrown);
}
{
// what can I say? I like chars. [--DB]
char[] coll = {'a', 'b', 'c', 'd'};
ArrayList al1 = new ArrayList(coll);
AssertNotNull("no icollection ArrayList", al1);
for (int i = 0; i < coll.Length; i++) {
AssertEquals(i + " not ctor'ed properly.",
coll[i], al1[i]);
}
}
// TODO - multi-dim ICollection ctor?
{
bool errorThrown = false;
try {
ArrayList a = new ArrayList(-1);
} catch (ArgumentOutOfRangeException) {
errorThrown = true;
}
Assert("negative capacity error not thrown",
errorThrown);
}
}
public void TestCapacity() {
for (int i = 0; i < 100; i++) {
ArrayList al1 = new ArrayList(i);
AssertEquals("Bad capacity of " + i,
i, al1.Capacity);
}
{
ArrayList al1 = new ArrayList();
AssertEquals("Bad default capacity",
16, al1.Capacity);
}
}
public void TestCount() {
{
ArrayList al1 = new ArrayList();
AssertEquals("Bad initial count",
0, al1.Count);
for (int i = 1; i <= 100; i++) {
al1.Add(i);
AssertEquals("Bad count " + i,
i, al1.Count);
}
}
for (int i = 0; i < 100; i++) {
char[] coll = new Char[i];
ArrayList al1 = new ArrayList(coll);
AssertEquals("Bad count for " + i,
i, al1.Count);
}
}
public void TestIsFixed() {
ArrayList al1 = new ArrayList();
Assert("should not be fixed by default", !al1.IsFixedSize);
ArrayList al2 = ArrayList.FixedSize(al1);
Assert("fixed-size wrapper not working", al2.IsFixedSize);
}
public void TestIsReadOnly() {
ArrayList al1 = new ArrayList();
Assert("should not be ReadOnly by default", !al1.IsReadOnly);
ArrayList al2 = ArrayList.ReadOnly(al1);
Assert("read-only wrapper not working", al2.IsReadOnly);
}
public void TestIsSynchronized() {
ArrayList al1 = new ArrayList();
Assert("should not be synchronized by default",
!al1.IsSynchronized);
ArrayList al2 = ArrayList.Synchronized(al1);
Assert("synchronized wrapper not working", al2.IsSynchronized);
}
public void TestItem() {
ArrayList al1 = new ArrayList();
{
bool errorThrown = false;
try {
object o = al1[-1];
} catch (ArgumentOutOfRangeException) {
errorThrown = true;
}
Assert("negative item error not thrown",
errorThrown);
}
{
bool errorThrown = false;
try {
object o = al1[1];
} catch (ArgumentOutOfRangeException) {
errorThrown = true;
}
Assert("past-end item error not thrown",
errorThrown);
}
for (int i = 0; i <= 100; i++) {
al1.Add(i);
}
for (int i = 0; i <= 100; i++) {
AssertEquals("item not fetched for " + i,
i, al1[i]);
}
}
public void TestAdapter() {
{
bool errorThrown = false;
try {
ArrayList al1 = ArrayList.Adapter(null);
} catch (ArgumentNullException) {
errorThrown = true;
}
Assert("null adapter error not thrown",
errorThrown);
}
{
char[] list = {'a', 'b', 'c', 'd'};
ArrayList al1 = ArrayList.Adapter(list);
AssertNotNull("Couldn't get an adapter", al1);
for (int i = 0; i < list.Length; i++) {
AssertEquals("adapter not adapting", list[i], al1[i]);
}
list[0] = 'z';
for (int i = 0; i < list.Length; i++) {
AssertEquals("adapter not adapting", list[i], al1[i]);
}
}
// TODO - test other adapter types?
}
public void TestAdd() {
{
bool errorThrown = false;
try {
ArrayList al1 =
ArrayList.FixedSize(new ArrayList());
al1.Add("Hi!");
} catch (NotSupportedException) {
errorThrown = true;
}
Assert("add to fixed size error not thrown",
errorThrown);
}
{
bool errorThrown = false;
try {
ArrayList al1 =
ArrayList.ReadOnly(new ArrayList());
al1.Add("Hi!");
} catch (NotSupportedException) {
errorThrown = true;
}
Assert("add to read only error not thrown",
errorThrown);
}
{
ArrayList al1 = new ArrayList();
for (int i = 1; i <= 100; i++) {
al1.Add(i);
AssertEquals("add failed " + i,
i, al1.Count);
AssertEquals("add failed " + i,
i, al1[i-1]);
}
}
}
public void TestAddRange() {
{
bool errorThrown = false;
try {
ArrayList al1 =
ArrayList.FixedSize(new ArrayList());
String[] s1 = {"Hi!"};
al1.AddRange(s1);
} catch (NotSupportedException) {
errorThrown = true;
}
Assert("add to fixed size error not thrown",
errorThrown);
}
{
bool errorThrown = false;
try {
ArrayList al1 =
ArrayList.ReadOnly(new ArrayList());
String[] s1 = {"Hi!"};
al1.AddRange(s1);
} catch (NotSupportedException) {
errorThrown = true;
}
Assert("add to read only error not thrown",
errorThrown);
}
{
bool errorThrown = false;
try {
ArrayList al1 = new ArrayList();
al1.AddRange(null);
} catch (ArgumentNullException) {
errorThrown = true;
}
Assert("add to read only error not thrown",
errorThrown);
}
{
ArrayList a1 = new ArrayList();
AssertEquals("ArrayList should start empty",
0, a1.Count);
char[] coll = {'a', 'b', 'c'};
a1.AddRange(coll);
AssertEquals("ArrayList has wrong elements",
3, a1.Count);
a1.AddRange(coll);
AssertEquals("ArrayList has wrong elements",
6, a1.Count);
}
}
public void TestBinarySearch() {
//{
//bool errorThrown = false;
//try {
// ArrayList al1 = new ArrayList();
// String[] s1 = {"This", "is", "a", "test"};
// al1.AddRange(s1);
// al1.BinarySearch(42);
//} catch (ArgumentException) {
// errorThrown = true;
//}
//Assert("search-for-wrong-type error not thrown",
// errorThrown);
//}
{
char[] bad = {'d', 'a', 'd', 'a', 'c', 'a'};
ArrayList al1 = new ArrayList(bad);
AssertEquals("shouldn't find elem in badly-sorted array", -1, al1.BinarySearch('c'));
}
{
char[] bad = {'a', 'd', 'a', 'd', 'a', 'c', 'a'};
ArrayList al1 = new ArrayList(bad);
AssertEquals("shouldn't find elem in badly-sorted array", -2, al1.BinarySearch('c'));
}
{
char[] arr = {'a', 'b', 'b', 'c', 'c', 'c', 'd', 'd'};
ArrayList al1 = new ArrayList(arr);
Assert("couldn't find elem",
al1.BinarySearch('c') >= 3);
Assert("couldn't find elem",
al1.BinarySearch('c') < 6);
}
{
char[] arr = {'a', 'b', 'b', 'd', 'd', 'd', 'e', 'e'};
ArrayList al1 = new ArrayList(arr);
AssertEquals("couldn't find next-higher elem",
-4, al1.BinarySearch('c'));
}
{
char[] arr = {'a', 'b', 'b', 'c', 'c', 'c', 'd', 'd'};
ArrayList al1 = new ArrayList(arr);
AssertEquals("couldn't find end",
-9, al1.BinarySearch('e'));
}
}
// TODO - BinarySearch with IComparer
public void TestClear() {
{
bool errorThrown = false;
try {
ArrayList al1 =
ArrayList.FixedSize(new ArrayList());
al1.Clear();
} catch (NotSupportedException) {
errorThrown = true;
}
Assert("add to fixed size error not thrown",
errorThrown);
}
{
bool errorThrown = false;
try {
ArrayList al1 =
ArrayList.ReadOnly(new ArrayList());
al1.Clear();
} catch (NotSupportedException) {
errorThrown = true;
}
Assert("add to read only error not thrown",
errorThrown);
}
{
ArrayList al1 = new ArrayList();
al1.Add('c');
AssertEquals("should have one element",
1, al1.Count);
al1.Clear();
AssertEquals("should be empty",
0, al1.Count);
}
{
int[] i1 = {1,2,3,4};
ArrayList al1 = new ArrayList(i1);
AssertEquals("should have elements",
i1.Length, al1.Count);
al1.Clear();
AssertEquals("should be empty again",
0, al1.Count);
}
}
public void TestClone() {
{
char[] c1 = {'a', 'b', 'c'};
ArrayList al1 = new ArrayList(c1);
ArrayList al2 = (ArrayList)al1.Clone();
AssertEquals("ArrayList match", al1[0], al2[0]);
AssertEquals("ArrayList match", al1[1], al2[1]);
AssertEquals("ArrayList match", al1[2], al2[2]);
}
{
char[] d10 = {'a', 'b'};
char[] d11 = {'a', 'c'};
char[] d12 = {'b', 'c'};
char[][] d1 = {d10, d11, d12};
ArrayList al1 = new ArrayList(d1);
ArrayList al2 = (ArrayList)al1.Clone();
AssertEquals("Array match", al1[0], al2[0]);
AssertEquals("Array match", al1[1], al2[1]);
AssertEquals("Array match", al1[2], al2[2]);
((char[])al1[0])[0] = 'z';
AssertEquals("shallow copy", al1[0], al2[0]);
}
}
public void TestContains() {
char[] c1 = {'a', 'b', 'c'};
ArrayList al1 = new ArrayList(c1);
Assert("never find a null", !al1.Contains(null));
Assert("can't find value", al1.Contains('b'));
Assert("shouldn't find value", !al1.Contains('?'));
}
public void TestCopyTo() {
{
bool errorThrown = false;
try {
Char[] c1 = new Char[2];
ArrayList al1 = new ArrayList(c1);
al1.CopyTo(null, 2);
} catch (ArgumentNullException) {
errorThrown = true;
}
Assert("error not thrown", errorThrown);
}
{
bool errorThrown = false;
try {
Char[] c1 = new Char[2];
ArrayList al1 = new ArrayList(c1);
Char[,] c2 = new Char[2,2];
al1.CopyTo(c2, 2);
} catch (ArgumentException) {
errorThrown = true;
}
Assert("error not thrown", errorThrown);
}
{
bool errorThrown = false;
try {
Char[,] c1 = new Char[2,2];
ArrayList al1 = new ArrayList(c1);
Char[] c2 = new Char[2];
al1.CopyTo(c2, 2);
} catch (RankException) {
errorThrown = true;
}
Assert("error not thrown", errorThrown);
}
{
bool errorThrown = false;
try {
Char[] c1 = new Char[2];
ArrayList al1 = new ArrayList(c1);
Char[] c2 = new Char[2];
al1.CopyTo(c2, -1);
} catch (ArgumentOutOfRangeException) {
errorThrown = true;
}
Assert("error not thrown", errorThrown);
}
{
bool errorThrown = false;
try {
Char[] c1 = new Char[2];
ArrayList al1 = new ArrayList(c1);
Char[] c2 = new Char[2];
al1.CopyTo(c2, 3);
} catch (ArgumentException) {
errorThrown = true;
}
Assert("error not thrown", errorThrown);
}
{
bool errorThrown = false;
try {
Char[] c1 = new Char[2];
ArrayList al1 = new ArrayList(c1);
Char[] c2 = new Char[2];
al1.CopyTo(c2, 1);
} catch (ArgumentException) {
errorThrown = true;
}
Assert("error not thrown", errorThrown);
}
{
bool errorThrown = false;
try {
String[] c1 = new String[2];
ArrayList al1 = new ArrayList(c1);
Char[] c2 = new Char[2];
al1.CopyTo(c2, 0);
} catch (InvalidCastException) {
errorThrown = true;
}
Assert("error not thrown", errorThrown);
}
Char[] orig = {'a', 'b', 'c', 'd'};
ArrayList al = new ArrayList(orig);
Char[] copy = new Char[10];
Array.Clear(copy, 0, copy.Length);
al.CopyTo(copy, 3);
AssertEquals("Wrong CopyTo 0", (char)0, copy[0]);
AssertEquals("Wrong CopyTo 1", (char)0, copy[1]);
AssertEquals("Wrong CopyTo 2", (char)0, copy[2]);
AssertEquals("Wrong CopyTo 3", orig[0], copy[3]);
AssertEquals("Wrong CopyTo 4", orig[1], copy[4]);
AssertEquals("Wrong CopyTo 5", orig[2], copy[5]);
AssertEquals("Wrong CopyTo 6", orig[3], copy[6]);
AssertEquals("Wrong CopyTo 7", (char)0, copy[7]);
AssertEquals("Wrong CopyTo 8", (char)0, copy[8]);
AssertEquals("Wrong CopyTo 9", (char)0, copy[9]);
}
public void TestFixedSize() {
{
bool errorThrown = false;
try {
ArrayList al1 = ArrayList.FixedSize(null);
} catch (ArgumentNullException) {
errorThrown = true;
}
Assert("null arg error not thrown", errorThrown);
}
{
ArrayList al1 = new ArrayList();
AssertEquals("arrays start un-fixed.",
false, al1.IsFixedSize);
ArrayList al2 = ArrayList.FixedSize(al1);
AssertEquals("should be fixed.",
true, al2.IsFixedSize);
}
}
public void TestGetEnumerator() {
{
bool errorThrown = false;
try {
ArrayList a = new ArrayList();
IEnumerator en = a.GetEnumerator(-1,1);
} catch (ArgumentOutOfRangeException) {
errorThrown = true;
}
Assert("negative index error not thrown",
errorThrown);
}
{
bool errorThrown = false;
try {
ArrayList a = new ArrayList();
IEnumerator en = a.GetEnumerator(1,-1);
} catch (ArgumentOutOfRangeException) {
errorThrown = true;
}
Assert("negative index error not thrown",
errorThrown);
}
{
bool errorThrown = false;
try {
ArrayList a = new ArrayList();
IEnumerator en = a.GetEnumerator(1,1);
} catch (ArgumentException) {
errorThrown = true;
}
Assert("out-of-range index error not thrown",
errorThrown);
}
{
String[] s1 = {"this", "is", "a", "test"};
ArrayList al1 = new ArrayList(s1);
IEnumerator en = al1.GetEnumerator();
AssertNotNull("No enumerator", en);
for (int i = 0; i < s1.Length; i++) {
en.MoveNext();
AssertEquals("Not enumerating",
al1[i], en.Current);
}
}
{
String[] s1 = {"this", "is", "a", "test"};
ArrayList al1 = new ArrayList(s1);
IEnumerator en = al1.GetEnumerator(1,2);
AssertNotNull("No enumerator", en);
for (int i = 0; i < 2; i++) {
en.MoveNext();
AssertEquals("Not enumerating",
al1[i+1], en.Current);
}
}
}
public void TestGetRange() {
{
bool errorThrown = false;
try {
ArrayList a = new ArrayList();
ArrayList b = a.GetRange(-1,1);
} catch (ArgumentOutOfRangeException) {
errorThrown = true;
}
Assert("negative index error not thrown",
errorThrown);
}
{
bool errorThrown = false;
try {
ArrayList a = new ArrayList();
ArrayList b = a.GetRange(1,-1);
} catch (ArgumentOutOfRangeException) {
errorThrown = true;
}
Assert("negative index error not thrown",
errorThrown);
}
{
bool errorThrown = false;
try {
ArrayList a = new ArrayList();
ArrayList b = a.GetRange(1,1);
} catch (ArgumentException) {
errorThrown = true;
}
Assert("out-of-range index error not thrown",
errorThrown);
}
{
char[] chars = {'a', 'b', 'c', 'd', 'e', 'f'};
ArrayList a = new ArrayList(chars);
ArrayList b = a.GetRange(1, 3);
AssertEquals("GetRange returned wrong size ArrayList", 3, b.Count);
for (int i = 0; i < b.Count; i++) {
AssertEquals("range didn't work",
chars[i+1], b[i]);
}
a[2] = '?'; // should screw up ArrayList b.
bool errorThrown = false;
try {
int i = b.Count;
} catch (InvalidOperationException) {
errorThrown = true;
}
AssertEquals("Munging 'a' should mess up 'b'",
true, errorThrown);
}
}
public void TestIndexOf() {
{
bool errorThrown = false;
try {
ArrayList a = new ArrayList(1);
int i = a.IndexOf('a', -1);
} catch (ArgumentOutOfRangeException) {
errorThrown = true;
}
Assert("negative indexof error not thrown",
errorThrown);
}
{
bool errorThrown = false;
try {
ArrayList a = new ArrayList(1);
int i = a.IndexOf('a', 2);
} catch (ArgumentOutOfRangeException) {
errorThrown = true;
}
Assert("past-end indexof error not thrown",
errorThrown);
}
{
bool errorThrown = false;
try {
ArrayList a = new ArrayList(1);
int i = a.IndexOf('a', 0, -1);
} catch (ArgumentOutOfRangeException) {
errorThrown = true;
}
Assert("negative indexof error not thrown",
errorThrown);
}
{
bool errorThrown = false;
try {
ArrayList a = new ArrayList(1);
int i = a.IndexOf('a', 0, 2);
} catch (ArgumentOutOfRangeException) {
errorThrown = true;
}
Assert("past-end indexof error not thrown",
errorThrown);
}
{
bool errorThrown = false;
try {
ArrayList a = new ArrayList(2);
int i = a.IndexOf('a', 1, 2);
} catch (ArgumentOutOfRangeException) {
errorThrown = true;
}
Assert("past-end indexof error not thrown",
errorThrown);
}
{
char[] c = {'a', 'b', 'c', 'd', 'e'};
ArrayList a = new ArrayList(c);
AssertEquals("never find null",
-1, a.IndexOf(null));
AssertEquals("never find null",
-1, a.IndexOf(null, 0));
AssertEquals("never find null",
-1, a.IndexOf(null, 0, 5));
AssertEquals("can't find elem",
2, a.IndexOf('c'));
AssertEquals("can't find elem",
2, a.IndexOf('c', 2));
AssertEquals("can't find elem",
2, a.IndexOf('c', 2, 2));
AssertEquals("shouldn't find elem",
-1, a.IndexOf('c', 3, 2));
AssertEquals("shouldn't find", -1, a.IndexOf('?'));
AssertEquals("shouldn't find", -1, a.IndexOf(3));
}
}
public void TestInsert() {
{
bool errorThrown = false;
try {
ArrayList al1 =
ArrayList.FixedSize(new ArrayList());
al1.Insert(0, "Hi!");
} catch (NotSupportedException) {
errorThrown = true;
}
Assert("insert to fixed size error not thrown",
errorThrown);
}
{
bool errorThrown = false;
try {
ArrayList al1 =
ArrayList.ReadOnly(new ArrayList());
al1.Insert(0, "Hi!");
} catch (NotSupportedException) {
errorThrown = true;
}
Assert("insert to read only error not thrown",
errorThrown);
}
{
bool errorThrown = false;
try {
ArrayList al1 = new ArrayList(3);
al1.Insert(-1, "Hi!");
} catch (ArgumentOutOfRangeException) {
errorThrown = true;
}
Assert("insert to read only error not thrown",
errorThrown);
}
{
bool errorThrown = false;
try {
ArrayList al1 = new ArrayList(3);
al1.Insert(4, "Hi!");
} catch (ArgumentOutOfRangeException) {
errorThrown = true;
}
Assert("insert to read only error not thrown",
errorThrown);
}
{
ArrayList al1 = new ArrayList();
AssertEquals("arraylist starts empty", 0, al1.Count);
al1.Insert(0, 'a');
al1.Insert(1, 'b');
al1.Insert(0, 'c');
AssertEquals("arraylist needs stuff", 3, al1.Count);
AssertEquals("arraylist got stuff", 'c', al1[0]);
AssertEquals("arraylist got stuff", 'a', al1[1]);
AssertEquals("arraylist got stuff", 'b', al1[2]);
}
}
public void TestInsertRange() {
{
bool errorThrown = false;
try {
ArrayList al1 =
ArrayList.FixedSize(new ArrayList());
string[] s = {"Hi!"};
al1.InsertRange(0, s);
} catch (NotSupportedException) {
errorThrown = true;
}
Assert("insert to fixed size error not thrown",
errorThrown);
}
{
bool errorThrown = false;
try {
ArrayList al1 =
ArrayList.ReadOnly(new ArrayList());
string[] s = {"Hi!"};
al1.InsertRange(0, s);
} catch (NotSupportedException) {
errorThrown = true;
}
Assert("insert to read only error not thrown",
errorThrown);
}
{
bool errorThrown = false;
try {
ArrayList al1 = new ArrayList(3);
string[] s = {"Hi!"};
al1.InsertRange(-1, s);
} catch (ArgumentOutOfRangeException) {
errorThrown = true;
}
Assert("negative index insert error not thrown",
errorThrown);
}
{
bool errorThrown = false;
try {
ArrayList al1 = new ArrayList(3);
string[] s = {"Hi!"};
al1.InsertRange(4, s);
} catch (ArgumentOutOfRangeException) {
errorThrown = true;
}
Assert("out-of-range insert error not thrown",
errorThrown);
}
{
bool errorThrown = false;
try {
ArrayList al1 = new ArrayList(3);
al1.InsertRange(0, null);
} catch (ArgumentNullException) {
errorThrown = true;
}
Assert("null insert error not thrown",
errorThrown);
}
{
char[] c = {'a', 'b', 'c'};
ArrayList a = new ArrayList(c);
a.InsertRange(1, c);
AssertEquals("bad insert", 'a', a[0]);
AssertEquals("bad insert", 'a', a[1]);
AssertEquals("bad insert", 'b', a[2]);
AssertEquals("bad insert", 'c', a[3]);
AssertEquals("bad insert", 'b', a[4]);
AssertEquals("bad insert", 'c', a[5]);
}
}
public void TestLastIndexOf() {
//{
//bool errorThrown = false;
//try {
//ArrayList a = new ArrayList(1);
//int i = a.LastIndexOf('a', -1);
//} catch (ArgumentOutOfRangeException) {
//errorThrown = true;
//}
//Assert("first negative lastindexof error not thrown",
//errorThrown);
//}
{
bool errorThrown = false;
try {
ArrayList a = new ArrayList(1);
int i = a.LastIndexOf('a', 2);
} catch (ArgumentOutOfRangeException) {
errorThrown = true;
}
Assert("past-end lastindexof error not thrown",
errorThrown);
}
//{
//bool errorThrown = false;
//try {
//ArrayList a = new ArrayList(1);
//int i = a.LastIndexOf('a', 0, -1);
//} catch (ArgumentOutOfRangeException) {
//errorThrown = true;
//}
//Assert("second negative lastindexof error not thrown",
//errorThrown);
//}
//{
//bool errorThrown = false;
//try {
//ArrayList a = new ArrayList(1);
//int i = a.LastIndexOf('a', 0, 2);
//} catch (ArgumentOutOfRangeException) {
//errorThrown = true;
//}
//Assert("past-end lastindexof error not thrown",
//errorThrown);
//}
//{
//bool errorThrown = false;
//try {
//ArrayList a = new ArrayList(2);
//int i = a.LastIndexOf('a', 0, 2);
//} catch (ArgumentOutOfRangeException) {
//errorThrown = true;
//}
//Assert("past-end lastindexof error not thrown",
//errorThrown);
//}
{
char[] c = {'a', 'b', 'c', 'd', 'e'};
ArrayList a = new ArrayList(c);
AssertEquals("never find null",
-1, a.LastIndexOf(null));
AssertEquals("never find null",
-1, a.LastIndexOf(null, 4));
AssertEquals("never find null",
-1, a.LastIndexOf(null, 4, 5));
AssertEquals("can't find elem",
2, a.LastIndexOf('c'));
AssertEquals("can't find elem",
2, a.LastIndexOf('c', 4));
AssertEquals("can't find elem",
2, a.LastIndexOf('c', 3, 2));
AssertEquals("shouldn't find elem",
-1, a.LastIndexOf('c', 4, 2));
AssertEquals("shouldn't find", -1, a.LastIndexOf('?'));
AssertEquals("shouldn't find", -1, a.LastIndexOf(1));
}
}
public void TestReadOnly() {
{
bool errorThrown = false;
try {
ArrayList al1 = ArrayList.ReadOnly(null);
} catch (ArgumentNullException) {
errorThrown = true;
}
Assert("null arg error not thrown", errorThrown);
}
{
ArrayList al1 = new ArrayList();
AssertEquals("arrays start writeable.",
false, al1.IsReadOnly);
ArrayList al2 = ArrayList.ReadOnly(al1);
AssertEquals("should be readonly.",
true, al2.IsReadOnly);
}
}
public void TestRemove() {
{
bool errorThrown = false;
try {
ArrayList al1 =
ArrayList.FixedSize(new ArrayList(3));
al1.Remove(1);
} catch (NotSupportedException) {
errorThrown = true;
}
Assert("remove fixed size error not thrown",
errorThrown);
}
{
bool errorThrown = false;
try {
ArrayList al1 =
ArrayList.ReadOnly(new ArrayList(3));
al1.Remove(1);
} catch (NotSupportedException) {
errorThrown = true;
}
Assert("remove read only error not thrown",
errorThrown);
}
{
char[] c = {'a','b','c'};
ArrayList a = new ArrayList(c);
a.Remove(1);
a.Remove('?');
AssertEquals("should be unchanged", c.Length, a.Count);
a.Remove('a');
AssertEquals("should be changed", 2, a.Count);
AssertEquals("should have shifted", 'b', a[0]);
AssertEquals("should have shifted", 'c', a[1]);
}
}
public void TestRemoveAt() {
{
bool errorThrown = false;
try {
ArrayList al1 =
ArrayList.FixedSize(new ArrayList(3));
al1.RemoveAt(1);
} catch (NotSupportedException) {
errorThrown = true;
}
Assert("remove from fixed size error not thrown",
errorThrown);
}
{
bool errorThrown = false;
try {
ArrayList al1 =
ArrayList.ReadOnly(new ArrayList(3));
al1.RemoveAt(1);
} catch (NotSupportedException) {
errorThrown = true;
}
Assert("remove from read only error not thrown",
errorThrown);
}
{
bool errorThrown = false;
try {
ArrayList al1 = new ArrayList(3);
al1.RemoveAt(-1);
} catch (ArgumentOutOfRangeException) {
errorThrown = true;
}
Assert("remove at negative index error not thrown",
errorThrown);
}
{
bool errorThrown = false;
try {
ArrayList al1 = new ArrayList(3);
al1.RemoveAt(4);
} catch (ArgumentOutOfRangeException) {
errorThrown = true;
}
Assert("remove at out-of-range index error not thrown",
errorThrown);
}
{
char[] c = {'a','b','c'};
ArrayList a = new ArrayList(c);
a.RemoveAt(0);
AssertEquals("should be changed", 2, a.Count);
AssertEquals("should have shifted", 'b', a[0]);
AssertEquals("should have shifted", 'c', a[1]);
}
}
public void TestRemoveRange() {
{
bool errorThrown = false;
try {
ArrayList al1 =
ArrayList.FixedSize(new ArrayList(3));
al1.RemoveRange(0, 1);
} catch (NotSupportedException) {
errorThrown = true;
}
Assert("removerange from fixed size error not thrown",
errorThrown);
}
{
bool errorThrown = false;
try {
ArrayList al1 =
ArrayList.ReadOnly(new ArrayList(3));
al1.RemoveRange(0, 1);
} catch (NotSupportedException) {
errorThrown = true;
}
Assert("removerange from read only error not thrown",
errorThrown);
}
{
bool errorThrown = false;
try {
ArrayList al1 = new ArrayList(3);
al1.RemoveRange(-1, 1);
} catch (ArgumentOutOfRangeException) {
errorThrown = true;
}
Assert("removerange at negative index error not thrown",
errorThrown);
}
{
bool errorThrown = false;
try {
ArrayList al1 = new ArrayList(3);
al1.RemoveRange(0, -1);
} catch (ArgumentOutOfRangeException) {
errorThrown = true;
}
Assert("removerange at negative index error not thrown",
errorThrown);
}
{
bool errorThrown = false;
try {
ArrayList al1 = new ArrayList(3);
al1.RemoveRange(2, 3);
} catch (ArgumentException) {
errorThrown = true;
}
Assert("removerange at bad range error not thrown",
errorThrown);
}
{
char[] c = {'a','b','c'};
ArrayList a = new ArrayList(c);
a.RemoveRange(1,2);
AssertEquals("should be changed", 1, a.Count);
AssertEquals("should have shifted", 'a', a[0]);
}
}
public void TestRepeat() {
{
bool errorThrown = false;
try {
ArrayList al1 = ArrayList.Repeat('c', -1);
} catch (ArgumentOutOfRangeException) {
errorThrown = true;
}
Assert("repeat negative copies error not thrown",
errorThrown);
}
{
ArrayList al1 = ArrayList.Repeat("huh?", 0);
AssertEquals("should be nothing in array",
0, al1.Count);
}
{
ArrayList al1 = ArrayList.Repeat("huh?", 3);
AssertEquals("should be something in array",
3, al1.Count);
AssertEquals("array elem doesn't check",
"huh?", al1[0]);
AssertEquals("array elem doesn't check",
"huh?", al1[1]);
AssertEquals("array elem doesn't check",
"huh?", al1[2]);
}
}
public void TestReverse() {
{
bool errorThrown = false;
try {
ArrayList al1 =
ArrayList.ReadOnly(new ArrayList());
al1.Reverse();
} catch (NotSupportedException) {
errorThrown = true;
}
Assert("reverse on read only error not thrown",
errorThrown);
}
{
bool errorThrown = false;
try {
char[] c = new Char[2];
ArrayList al1 = new ArrayList(c);
al1.Reverse(0, 3);
} catch (ArgumentException) {
errorThrown = true;
}
Assert("error not thrown", errorThrown);
}
{
bool errorThrown = false;
try {
char[] c = new Char[2];
ArrayList al1 = new ArrayList(c);
al1.Reverse(3, 0);
} catch (ArgumentException) {
errorThrown = true;
}
Assert("error not thrown", errorThrown);
}
{
char[] c = {'a', 'b', 'c', 'd', 'e'};
ArrayList al1 = new ArrayList(c);
al1.Reverse(2,1);
for (int i = 0; i < al1.Count; i++) {
AssertEquals("Should be no change yet",
c[i], al1[i]);
}
al1.Reverse();
for (int i = 0; i < al1.Count; i++) {
AssertEquals("Should be reversed",
c[i], al1[4-i]);
}
al1.Reverse();
for (int i = 0; i < al1.Count; i++) {
AssertEquals("Should be back to normal",
c[i], al1[i]);
}
al1.Reverse(1,3);
AssertEquals("Should be back to normal", c[0], al1[0]);
AssertEquals("Should be back to normal", c[3], al1[1]);
AssertEquals("Should be back to normal", c[2], al1[2]);
AssertEquals("Should be back to normal", c[1], al1[3]);
AssertEquals("Should be back to normal", c[4], al1[4]);
}
}
public void TestSetRange() {
{
bool errorThrown = false;
try {
char[] c = {'a', 'b', 'c'};
ArrayList al1 =
ArrayList.ReadOnly(new ArrayList(3));
al1.SetRange(0, c);
} catch (NotSupportedException) {
errorThrown = true;
}
Assert("setrange on read only error not thrown",
errorThrown);
}
{
bool errorThrown = false;
try {
ArrayList al1 = new ArrayList(3);
al1.SetRange(0, null);
} catch (ArgumentNullException) {
errorThrown = true;
} catch (ArgumentOutOfRangeException) {
errorThrown = true;
}
Assert("setrange with null error not thrown",
errorThrown);
}
{
bool errorThrown = false;
try {
char[] c = {'a', 'b', 'c'};
ArrayList al1 = new ArrayList(3);
al1.SetRange(-1, c);
} catch (ArgumentOutOfRangeException) {
errorThrown = true;
}
Assert("setrange with negative index error not thrown",
errorThrown);
}
{
bool errorThrown = false;
try {
char[] c = {'a', 'b', 'c'};
ArrayList al1 = new ArrayList(3);
al1.SetRange(2, c);
} catch (ArgumentOutOfRangeException) {
errorThrown = true;
}
Assert("setrange with too much error not thrown",
errorThrown);
}
{
char[] c = {'a', 'b', 'c'};
ArrayList al1 = ArrayList.Repeat('?', 3);
Assert("no match yet", c[0] != (char)al1[0]);
Assert("no match yet", c[1] != (char)al1[1]);
Assert("no match yet", c[2] != (char)al1[2]);
al1.SetRange(0, c);
AssertEquals("should match", c[0], al1[0]);
AssertEquals("should match", c[1], al1[1]);
AssertEquals("should match", c[2], al1[2]);
}
}
public void TestSort() {
{
bool errorThrown = false;
try {
ArrayList al1 =
ArrayList.ReadOnly(new ArrayList());
al1.Sort();
} catch (NotSupportedException) {
errorThrown = true;
}
Assert("sort on read only error not thrown",
errorThrown);
}
{
char[] starter = {'d', 'b', 'f', 'e', 'a', 'c'};
ArrayList al1 = new ArrayList(starter);
al1.Sort();
AssertEquals("Should be sorted", 'a', al1[0]);
AssertEquals("Should be sorted", 'b', al1[1]);
AssertEquals("Should be sorted", 'c', al1[2]);
AssertEquals("Should be sorted", 'd', al1[3]);
AssertEquals("Should be sorted", 'e', al1[4]);
AssertEquals("Should be sorted", 'f', al1[5]);
}
}
// TODO - Sort with IComparers
// TODO - Synchronize
public void TestToArray() {
{
bool errorThrown = false;
try {
ArrayList al1 = new ArrayList(3);
al1.ToArray(null);
} catch (ArgumentNullException) {
errorThrown = true;
}
Assert("toarray with null error not thrown",
errorThrown);
}
{
bool errorThrown = false;
try {
char[] c = {'a', 'b', 'c'};
string s = "huh?";
ArrayList al1 = new ArrayList(c);
al1.ToArray(s.GetType());
} catch (InvalidCastException) {
errorThrown = true;
}
Assert("toarray with bad type error not thrown",
errorThrown);
}
{
char[] c1 = {'a', 'b', 'c', 'd', 'e'};
ArrayList al1 = new ArrayList(c1);
object[] o2 = al1.ToArray();
for (int i = 0; i < c1.Length; i++) {
AssertEquals("should be copy", c1[i], o2[i]);
}
Array c2 = al1.ToArray(c1[0].GetType());
for (int i = 0; i < c1.Length; i++) {
AssertEquals("should be copy",
c1[i], c2.GetValue(i));
}
}
}
public void TestTrimToSize() {
{
bool errorThrown = false;
try {
ArrayList al1 =
ArrayList.ReadOnly(new ArrayList());
al1.TrimToSize();
} catch (NotSupportedException) {
errorThrown = true;
}
Assert("trim read only error not thrown",
errorThrown);
}
{
ArrayList al1 = new ArrayList();
int capacity = al1.Capacity;
while (al1.Capacity <= capacity) {
al1.Add('?');
}
al1.RemoveAt(0);
AssertEquals("size not good", capacity, al1.Count);
Assert("capacity not good", al1.Capacity > capacity);
al1.TrimToSize();
AssertEquals("no capacity match",
capacity, al1.Capacity);
al1.Clear();
al1.TrimToSize();
AssertEquals("no default capacity",
capacity, al1.Capacity);
}
}
}
}
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