885 lines
23 KiB
C#
885 lines
23 KiB
C#
// HashtableTest.cs - NUnit Test Cases for the System.Collections.Hashtable class
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//
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//
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// (C) Ximian, Inc. http://www.ximian.com
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//
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using System;
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using System.Collections;
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using System.Reflection;
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using System.IO;
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using System.Runtime.Serialization;
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using System.Runtime.Serialization.Formatters;
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using System.Runtime.Serialization.Formatters.Binary;
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using NUnit.Framework;
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namespace MonoTests.System.Collections {
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/// <summary>Hashtable test.</summary>
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[TestFixture]
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public class HashtableTest {
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[Test]
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public void TestCtor1() {
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Hashtable h = new Hashtable();
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Assert.IsNotNull (h, "No hash table");
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}
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[Test]
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public void TestCtor2() {
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{
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bool errorThrown = false;
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try {
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Hashtable h = new Hashtable((IDictionary) null);
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} catch (ArgumentNullException) {
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errorThrown = true;
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}
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Assert.IsTrue (errorThrown, "null hashtable error not thrown");
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}
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{
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string[] keys = {"this", "is", "a", "test"};
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char[] values = {'a', 'b', 'c', 'd'};
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Hashtable h1 = new Hashtable();
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for (int i = 0; i < keys.Length; i++) {
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h1[keys[i]] = values[i];
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}
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Hashtable h2 = new Hashtable(h1);
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for (int i = 0; i < keys.Length; i++) {
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Assert.AreEqual (values[i], h2[keys[i]], "No match for key " + keys[i]);
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}
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}
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}
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[Test]
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[ExpectedException (typeof (ArgumentOutOfRangeException))]
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public void TestCtor3 ()
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{
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Hashtable h = new Hashtable ();
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Hashtable hh = new Hashtable (h, Single.NaN);
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}
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[Test]
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[ExpectedException (typeof (ArgumentException))]
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public void TestCtor4 ()
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{
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Hashtable ht = new Hashtable (Int32.MaxValue, 0.1f, null, null);
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}
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[Test]
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public void TestCtor5 ()
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{
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// tests if negative capacity throws exception
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try {
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Hashtable ht = new Hashtable (-10, 0.1f, null, null);
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Assert.Fail ("must throw ArgumentOutOfRange exception, param: capacity");
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} catch (ArgumentOutOfRangeException e) {
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Assert.IsTrue (e.ParamName == "capacity", "ParamName is not capacity");
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}
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// tests if loadFactor out of range throws exception (low)
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try {
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Hashtable ht = new Hashtable (100, 0.01f, null, null);
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Assert.Fail ("must throw ArgumentOutOfRange exception, param: loadFactor, too low value");
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} catch (ArgumentOutOfRangeException e)
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{
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Assert.IsTrue (e.ParamName == "loadFactor", "ParamName is not loadFactor");
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}
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// tests if loadFactor out of range throws exception (high)
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try
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{
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Hashtable ht = new Hashtable (100, 2f, null, null);
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Assert.Fail ("must throw ArgumentOutOfRange exception, param: loadFactor, too high value");
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}
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catch (ArgumentOutOfRangeException e)
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{
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Assert.IsTrue (e.ParamName == "loadFactor", "ParamName is not loadFactor");
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}
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}
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// TODO - Ctors for capacity and load (how to test? any access?)
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// TODO - Ctors with IComparer, IHashCodeProvider, Serialization
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[Test]
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public void TestCount() {
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Hashtable h = new Hashtable();
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Assert.AreEqual (0, h.Count, "new table - count zero");
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int max = 100;
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for (int i = 1; i <= max; i++) {
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h[i] = i;
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Assert.AreEqual (i, h.Count, "Count wrong for " + i);
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}
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for (int i = 1; i <= max; i++) {
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h[i] = i * 2;
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Assert.AreEqual (max, h.Count, "Count shouldn't change at " + i);
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}
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}
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[Test]
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public void TestIsFixedSize() {
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Hashtable h = new Hashtable();
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Assert.AreEqual (false, h.IsFixedSize, "hashtable not fixed by default");
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// TODO - any way to get a fixed-size hashtable?
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}
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public void TestIsReadOnly() {
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Hashtable h = new Hashtable();
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Assert.AreEqual (false, h.IsReadOnly, "hashtable not read-only by default");
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// TODO - any way to get a read-only hashtable?
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}
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[Test]
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public void TestIsSynchronized ()
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{
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Hashtable h = new Hashtable ();
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Assert.IsTrue (!h.IsSynchronized, "hashtable not synched by default");
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Hashtable h2 = Hashtable.Synchronized (h);
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Assert.IsTrue (h2.IsSynchronized, "hashtable should by synched");
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Hashtable h3 = (Hashtable) h2.Clone ();
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Assert.IsTrue (h3.IsSynchronized, "Cloned Hashtable should by synched");
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}
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[Test]
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public void TestItem() {
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{
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bool errorThrown = false;
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try {
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Hashtable h = new Hashtable();
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Object o = h[null];
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} catch (ArgumentNullException e) {
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errorThrown = true;
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Assert.AreEqual ("key", e.ParamName, "ParamName is not \"key\"");
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}
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Assert.IsTrue (errorThrown, "null hashtable error not thrown");
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}
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// TODO - if read-only and/or fixed-size is possible,
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// test 'NotSupportedException' here
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{
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Hashtable h = new Hashtable();
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int max = 100;
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for (int i = 1; i <= max; i++) {
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h[i] = i;
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Assert.AreEqual (i, h[i], "value wrong for " + i);
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}
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}
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}
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[Test]
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public void TestKeys() {
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string[] keys = {"this", "is", "a", "test"};
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string[] keys2 = {"new", "keys"};
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char[] values1 = {'a', 'b', 'c', 'd'};
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char[] values2 = {'e', 'f', 'g', 'h'};
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ICollection keysReference, keysReference2;
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Hashtable h1 = new Hashtable();
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for (int i = 0; i < keys.Length; i++) {
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h1[keys[i]] = values1[i];
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}
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Assert.AreEqual (keys.Length, h1.Keys.Count, "keys wrong size");
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for (int i = 0; i < keys.Length; i++) {
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h1[keys[i]] = values2[i];
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}
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Assert.AreEqual (keys.Length, h1.Keys.Count, "keys wrong size 2");
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// MS .NET Always returns the same reference when calling Keys property
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keysReference = h1.Keys;
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keysReference2 = h1.Keys;
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Assert.AreEqual (keysReference, keysReference2, "keys references differ");
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for (int i = 0; i < keys2.Length; i++)
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{
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h1[keys2[i]] = values2[i];
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}
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Assert.AreEqual (keys.Length+keys2.Length, h1.Keys.Count, "keys wrong size 3");
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Assert.AreEqual (keys.Length+keys2.Length, keysReference.Count, "keys wrong size 4");
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}
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// TODO - SyncRoot
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[Test]
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public void TestValues() {
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string[] keys = {"this", "is", "a", "test"};
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char[] values1 = {'a', 'b', 'c', 'd'};
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char[] values2 = {'e', 'f', 'g', 'h'};
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Hashtable h1 = new Hashtable();
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for (int i = 0; i < keys.Length; i++) {
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h1[keys[i]] = values1[i];
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}
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Assert.AreEqual (keys.Length, h1.Values.Count, "values wrong size");
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for (int i = 0; i < keys.Length; i++) {
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h1[keys[i]] = values2[i];
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}
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Assert.AreEqual (keys.Length, h1.Values.Count, "values wrong size 2");
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// MS .NET Always returns the same reference when calling Values property
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ICollection valuesReference1 = h1.Values;
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ICollection valuesReference2 = h1.Values;
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Assert.AreEqual (valuesReference1, valuesReference2, "values references differ");
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}
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[Test]
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public void TestAdd() {
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{
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bool errorThrown = false;
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try {
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Hashtable h = new Hashtable();
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h.Add(null, "huh?");
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} catch (ArgumentNullException e) {
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errorThrown = true;
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Assert.AreEqual ("key", e.ParamName, "ParamName is not 'key'");
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}
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Assert.IsTrue (errorThrown, "null add error not thrown");
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}
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{
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bool errorThrown = false;
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try {
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Hashtable h = new Hashtable();
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h.Add('a', 1);
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h.Add('a', 2);
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} catch (ArgumentException) {
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errorThrown = true;
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}
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Assert.IsTrue (errorThrown, "re-add error not thrown");
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}
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// TODO - hit NotSupportedException
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{
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Hashtable h = new Hashtable();
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int max = 100;
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for (int i = 1; i <= max; i++) {
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h.Add(i, i);
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Assert.AreEqual (i, h[i], "value wrong for " + i);
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}
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}
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}
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[Test]
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public void TestClear() {
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// TODO - hit NotSupportedException
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Hashtable h = new Hashtable();
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Assert.AreEqual (0, h.Count, "new table - count zero");
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int max = 100;
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for (int i = 1; i <= max; i++) {
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h[i] = i;
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}
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Assert.IsTrue (h.Count > 0, "table don't gots stuff");
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h.Clear();
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Assert.AreEqual (0, h.Count, "Table should be cleared");
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}
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public class MyEqualityComparer : IEqualityComparer {
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bool IEqualityComparer.Equals (object x, object y) { return x == y; }
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public int GetHashCode (object obj) { return 1; }
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}
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static IEqualityComparer GetEqualityComparer (Hashtable h)
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{
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return (IEqualityComparer) typeof (Hashtable).GetField ("_keycomparer",
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BindingFlags.NonPublic | BindingFlags.Instance).GetValue (h);
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}
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[Test]
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public void TestClone() {
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{
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char[] c1 = {'a', 'b', 'c'};
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char[] c2 = {'d', 'e', 'f'};
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Hashtable h1 = new Hashtable();
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for (int i = 0; i < c1.Length; i++) {
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h1[c1[i]] = c2[i];
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}
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Hashtable h2 = (Hashtable)h1.Clone();
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Assert.IsNotNull (h2, "got no clone!");
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Assert.IsNotNull (h2[c1[0]], "clone's got nothing!");
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for (int i = 0; i < c1.Length; i++) {
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Assert.AreEqual (h1[c1[i]], h2[c1[i]], "Hashtable match");
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}
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}
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{
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char[] c1 = {'a', 'b', 'c'};
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char[] c20 = {'1', '2'};
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char[] c21 = {'3', '4'};
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char[] c22 = {'5', '6'};
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char[][] c2 = {c20, c21, c22};
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Hashtable h1 = new Hashtable();
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for (int i = 0; i < c1.Length; i++) {
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h1[c1[i]] = c2[i];
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}
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Hashtable h2 = (Hashtable)h1.Clone();
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Assert.IsNotNull (h2, "got no clone!");
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Assert.IsNotNull (h2[c1[0]], "clone's got nothing!");
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for (int i = 0; i < c1.Length; i++) {
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Assert.AreEqual (h1[c1[i]], h2[c1[i]], "Hashtable match");
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}
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((char[])h1[c1[0]])[0] = 'z';
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Assert.AreEqual (h1[c1[0]], h2[c1[0]], "shallow copy");
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// NET 2.0 stuff
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MyEqualityComparer a = new MyEqualityComparer ();
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Hashtable mh1 = new Hashtable (a);
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Hashtable mh1clone = (Hashtable) mh1.Clone ();
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// warning, depends on the field name.
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Assert.AreEqual (GetEqualityComparer (mh1), GetEqualityComparer (mh1clone), "EqualityComparer");
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}
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}
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[Test]
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public void TestContains() {
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{
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bool errorThrown = false;
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try {
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Hashtable h = new Hashtable();
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bool result = h.Contains(null);
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} catch (ArgumentNullException e) {
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errorThrown = true;
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Assert.AreEqual ("key", e.ParamName, "ParamName is not 'key'");
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}
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Assert.IsTrue (errorThrown, "null add error not thrown");
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}
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{
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Hashtable h = new Hashtable();
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for (int i = 0; i < 10000; i += 2)
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{
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h[i] = i;
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}
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for (int i = 0; i < 10000; i += 2)
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{
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Assert.IsTrue (h.Contains(i), "hashtable must contain"+i.ToString());
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Assert.IsTrue (!h.Contains(i+1), "hashtable does not contain "+((int)(i+1)).ToString());
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}
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}
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}
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[Test]
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public void TestContainsKey() {
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{
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bool errorThrown = false;
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try
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{
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Hashtable h = new Hashtable();
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bool result = h.Contains(null);
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}
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catch (ArgumentNullException e)
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{
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errorThrown = true;
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Assert.AreEqual ("key", e.ParamName, "ParamName is not 'key'");
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}
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Assert.IsTrue (errorThrown, "null add error not thrown");
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}
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{
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Hashtable h = new Hashtable();
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for (int i = 0; i < 1000; i += 2)
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{
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h[i] = i;
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}
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for (int i = 0; i < 1000; i += 2)
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{
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Assert.IsTrue (h.Contains(i), "hashtable must contain"+i.ToString());
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Assert.IsTrue (!h.Contains(i+1), "hashtable does not contain "+((int)(i+1)).ToString());
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}
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}
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}
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[Test]
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public void TestContainsValue() {
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{
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Hashtable h = new Hashtable();
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h['a'] = "blue";
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Assert.IsTrue (h.ContainsValue("blue"), "blue? it's in there!");
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Assert.IsTrue (!h.ContainsValue("green"), "green? no way!");
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Assert.IsTrue (!h.ContainsValue(null), "null? no way!");
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h['b'] = null;
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Assert.IsTrue (h.ContainsValue(null), "null? it's in there!");
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}
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}
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[Test]
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public void TestCopyTo() {
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{
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bool errorThrown = false;
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try {
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Hashtable h = new Hashtable();
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h.CopyTo(null, 0);
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} catch (ArgumentNullException e) {
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errorThrown = true;
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Assert.AreEqual ("array", e.ParamName, "ParamName is not \"array\"");
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}
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Assert.IsTrue (errorThrown, "null hashtable error not thrown");
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}
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{
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bool errorThrown = false;
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try {
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Hashtable h = new Hashtable();
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Object[] o = new Object[1];
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h.CopyTo(o, -1);
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} catch (ArgumentOutOfRangeException e) {
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errorThrown = true;
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Assert.AreEqual ("arrayIndex", e.ParamName, "ParamName is not \"arrayIndex\"");
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}
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Assert.IsTrue (errorThrown, "out of range error not thrown");
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}
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{
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bool errorThrown = false;
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try {
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Hashtable h = new Hashtable();
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Object[,] o = new Object[1,1];
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h.CopyTo(o, 1);
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} catch (ArgumentException) {
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errorThrown = true;
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}
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Assert.IsTrue (errorThrown, "multi-dim array error not thrown");
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}
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{
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bool errorThrown = false;
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try {
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Hashtable h = new Hashtable();
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h['a'] = 1; // no error if table is empty
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Object[] o = new Object[5];
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h.CopyTo(o, 5);
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} catch (ArgumentException) {
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errorThrown = true;
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}
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Assert.IsTrue (errorThrown, "no room in array error not thrown");
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}
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{
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bool errorThrown = false;
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try {
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Hashtable h = new Hashtable();
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h['a'] = 1;
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h['b'] = 2;
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h['c'] = 2;
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Object[] o = new Object[2];
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h.CopyTo(o, 0);
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} catch (ArgumentException) {
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errorThrown = true;
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}
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Assert.IsTrue (errorThrown, "table too big error not thrown");
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}
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{
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bool errorThrown = false;
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try {
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Hashtable h = new Hashtable();
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h["blue"] = 1;
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h["green"] = 2;
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h["red"] = 3;
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Char[] o = new Char[3];
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h.CopyTo(o, 0);
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} catch (InvalidCastException) {
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errorThrown = true;
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}
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Assert.IsTrue (errorThrown, "invalid cast error not thrown");
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}
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{
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Hashtable h = new Hashtable();
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h['a'] = 1;
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h['b'] = 2;
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DictionaryEntry[] o = new DictionaryEntry[2];
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h.CopyTo(o,0);
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Assert.AreEqual ('a', o[0].Key, "first copy fine.");
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Assert.AreEqual (1, o[0].Value, "first copy fine.");
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Assert.AreEqual ('b', o[1].Key, "second copy fine.");
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Assert.AreEqual (2, o[1].Value, "second copy fine.");
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}
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}
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[Test]
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public void TestGetEnumerator() {
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String[] s1 = {"this", "is", "a", "test"};
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Char[] c1 = {'a', 'b', 'c', 'd'};
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Hashtable h1 = new Hashtable();
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for (int i = 0; i < s1.Length; i++) {
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h1[s1[i]] = c1[i];
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}
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IDictionaryEnumerator en = h1.GetEnumerator();
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Assert.IsNotNull (en, "No enumerator");
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for (int i = 0; i < s1.Length; i++) {
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en.MoveNext();
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Assert.IsTrue (Array.IndexOf(s1, en.Key) >= 0, "Not enumerating for " + en.Key);
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|
Assert.IsTrue (Array.IndexOf(c1, en.Value) >= 0, "Not enumerating for " + en.Value);
|
|
}
|
|
}
|
|
|
|
[Test]
|
|
public void TestSerialization () {
|
|
Hashtable table1 = new Hashtable();
|
|
Hashtable table2;
|
|
Stream str = new MemoryStream ();
|
|
BinaryFormatter formatter = new BinaryFormatter();
|
|
|
|
for (int i = 0; i < 100; i++)
|
|
table1[i] = "TestString Key: " + i.ToString();
|
|
|
|
formatter.Serialize (str, table1);
|
|
str.Position = 0;
|
|
table2 = (Hashtable) formatter.Deserialize (str);
|
|
|
|
bool result;
|
|
foreach (DictionaryEntry de in table1)
|
|
Assert.AreEqual (table2 [de.Key], de.Value);
|
|
}
|
|
|
|
[Test]
|
|
[Category ("Remoting")]
|
|
public void TestSerialization2 () {
|
|
// Test from bug #70570
|
|
MemoryStream stream = new MemoryStream();
|
|
BinaryFormatter formatter = new BinaryFormatter();
|
|
|
|
Hashtable table = new Hashtable();
|
|
table.Add (new Bug(), "Hello");
|
|
|
|
formatter.Serialize(stream, table);
|
|
stream.Position = 0;
|
|
table = (Hashtable) formatter.Deserialize(stream);
|
|
Assert.AreEqual (1, table.Count, "#1");
|
|
}
|
|
|
|
[Test]
|
|
public void TestRemove() {
|
|
{
|
|
bool errorThrown = false;
|
|
try {
|
|
Hashtable h = new Hashtable();
|
|
h.Remove(null);
|
|
} catch (ArgumentNullException e) {
|
|
errorThrown = true;
|
|
Assert.AreEqual ("key", e.ParamName, "ParamName is not \"key\"");
|
|
}
|
|
Assert.IsTrue (errorThrown, "null hashtable error not thrown");
|
|
}
|
|
{
|
|
string[] keys = {"this", "is", "a", "test"};
|
|
char[] values = {'a', 'b', 'c', 'd'};
|
|
Hashtable h = new Hashtable();
|
|
for (int i = 0; i < keys.Length; i++) {
|
|
h[keys[i]] = values[i];
|
|
}
|
|
Assert.AreEqual (4, h.Count, "not enough in table");
|
|
h.Remove("huh?");
|
|
Assert.AreEqual (4, h.Count, "not enough in table");
|
|
h.Remove("this");
|
|
Assert.AreEqual (3, h.Count, "Wrong count in table");
|
|
h.Remove("this");
|
|
Assert.AreEqual (3, h.Count, "Wrong count in table");
|
|
}
|
|
}
|
|
|
|
[Test]
|
|
public void TestSynchronized() {
|
|
{
|
|
bool errorThrown = false;
|
|
try {
|
|
Hashtable h = Hashtable.Synchronized(null);
|
|
} catch (ArgumentNullException e) {
|
|
errorThrown = true;
|
|
Assert.AreEqual ("table", e.ParamName, "ParamName is not \"table\"");
|
|
}
|
|
Assert.IsTrue (errorThrown, "null hashtable error not thrown");
|
|
}
|
|
{
|
|
Hashtable h = new Hashtable();
|
|
Assert.IsTrue (!h.IsSynchronized, "hashtable not synced by default");
|
|
Hashtable h2 = Hashtable.Synchronized(h);
|
|
Assert.IsTrue (h2.IsSynchronized, "hashtable should by synced");
|
|
}
|
|
}
|
|
|
|
|
|
protected Hashtable ht;
|
|
private static Random rnd;
|
|
|
|
[SetUp]
|
|
public void SetUp() {
|
|
ht=new Hashtable();
|
|
rnd=new Random();
|
|
}
|
|
|
|
private void SetDefaultData() {
|
|
ht.Clear();
|
|
ht.Add("k1","another");
|
|
ht.Add("k2","yet");
|
|
ht.Add("k3","hashtable");
|
|
}
|
|
|
|
[Test]
|
|
public void TestAddRemoveClear() {
|
|
ht.Clear();
|
|
Assert.IsTrue (ht.Count==0);
|
|
|
|
SetDefaultData();
|
|
Assert.IsTrue (ht.Count==3);
|
|
|
|
bool thrown=false;
|
|
try {
|
|
ht.Add("k2","cool");
|
|
} catch (ArgumentException) {thrown=true;}
|
|
Assert.IsTrue (thrown, "Must throw ArgumentException!");
|
|
|
|
ht["k2"]="cool";
|
|
Assert.IsTrue (ht.Count==3);
|
|
Assert.IsTrue (ht["k2"].Equals("cool"));
|
|
|
|
}
|
|
|
|
[Test]
|
|
public void TestCopyTo2() {
|
|
SetDefaultData();
|
|
Object[] entries=new Object[ht.Count];
|
|
ht.CopyTo(entries,0);
|
|
Assert.IsTrue (entries[0] is DictionaryEntry, "Not an entry.");
|
|
}
|
|
|
|
[Test]
|
|
public void CopyTo_Empty ()
|
|
{
|
|
Hashtable ht = new Hashtable ();
|
|
Assert.AreEqual (0, ht.Count, "Count");
|
|
object[] array = new object [ht.Count];
|
|
ht.CopyTo (array, 0);
|
|
}
|
|
|
|
[Test]
|
|
public void TestUnderHeavyLoad() {
|
|
ht.Clear();
|
|
int max=100000;
|
|
String[] cache=new String[max*2];
|
|
int n=0;
|
|
|
|
for (int i=0;i<max;i++) {
|
|
int id=rnd.Next()&0xFFFF;
|
|
String key=""+id+"-key-"+id;
|
|
String val="value-"+id;
|
|
if (ht[key]==null) {
|
|
ht[key]=val;
|
|
cache[n]=key;
|
|
cache[n+max]=val;
|
|
n++;
|
|
}
|
|
}
|
|
|
|
Assert.IsTrue (ht.Count==n);
|
|
|
|
for (int i=0;i<n;i++) {
|
|
String key=cache[i];
|
|
String val=ht[key] as String;
|
|
String err="ht[\""+key+"\"]=\""+val+
|
|
"\", expected \""+cache[i+max]+"\"";
|
|
Assert.IsTrue (val!=null && val.Equals(cache[i+max]), err);
|
|
}
|
|
|
|
int r1=(n/3);
|
|
int r2=r1+(n/5);
|
|
|
|
for (int i=r1;i<r2;i++) {
|
|
ht.Remove(cache[i]);
|
|
}
|
|
|
|
|
|
for (int i=0;i<n;i++) {
|
|
if (i>=r1 && i<r2) {
|
|
Assert.IsTrue (ht[cache[i]]==null);
|
|
} else {
|
|
String key=cache[i];
|
|
String val=ht[key] as String;
|
|
String err="ht[\""+key+"\"]=\""+val+
|
|
"\", expected \""+cache[i+max]+"\"";
|
|
Assert.IsTrue (val!=null && val.Equals(cache[i+max]), err);
|
|
}
|
|
}
|
|
|
|
ICollection keys=ht.Keys;
|
|
int nKeys=0;
|
|
foreach (Object key in keys) {
|
|
Assert.IsTrue ((key as String) != null);
|
|
nKeys++;
|
|
}
|
|
Assert.IsTrue (nKeys==ht.Count);
|
|
|
|
|
|
ICollection vals=ht.Values;
|
|
int nVals=0;
|
|
foreach (Object val in vals) {
|
|
Assert.IsTrue ((val as String) != null);
|
|
nVals++;
|
|
}
|
|
Assert.IsTrue (nVals==ht.Count);
|
|
|
|
}
|
|
|
|
|
|
/// <summary>
|
|
/// Test hashtable with CaseInsensitiveHashCodeProvider
|
|
/// and CaseInsensitive comparer.
|
|
/// </summary>
|
|
[Test]
|
|
[Category ("ManagedCollator")]
|
|
public void TestCaseInsensitive ()
|
|
{
|
|
// Not very meaningfull test, just to make
|
|
// sure that hcp is set properly set.
|
|
Hashtable ciHashtable = new Hashtable(11,1.0f,CaseInsensitiveHashCodeProvider.Default,CaseInsensitiveComparer.Default);
|
|
ciHashtable ["key1"] = "value";
|
|
ciHashtable ["key2"] = "VALUE";
|
|
Assert.IsTrue (ciHashtable ["key1"].Equals ("value"));
|
|
Assert.IsTrue (ciHashtable ["key2"].Equals ("VALUE"));
|
|
|
|
ciHashtable ["KEY1"] = "new_value";
|
|
Assert.IsTrue (ciHashtable ["key1"].Equals ("new_value"));
|
|
|
|
}
|
|
|
|
[Test]
|
|
public void TestCopyConstructor ()
|
|
{
|
|
SetDefaultData ();
|
|
|
|
Hashtable htCopy = new Hashtable (ht);
|
|
|
|
Assert.IsTrue (ht.Count == htCopy.Count);
|
|
}
|
|
|
|
[Test]
|
|
public void TestEnumerator ()
|
|
{
|
|
SetDefaultData ();
|
|
|
|
IEnumerator e = ht.GetEnumerator ();
|
|
|
|
while (e.MoveNext ()) {}
|
|
|
|
Assert.IsTrue (!e.MoveNext ());
|
|
|
|
}
|
|
|
|
[Test]
|
|
[ExpectedException (typeof (ArgumentNullException))]
|
|
public void GetObjectData_NullSerializationInfo ()
|
|
{
|
|
SetDefaultData ();
|
|
ht.GetObjectData (null, new StreamingContext ());
|
|
}
|
|
|
|
// bug #75790
|
|
[Test]
|
|
[Category ("NotDotNet")] // .NET raises InvalidOperationException.
|
|
public void SyncHashtable_ICollectionsGetEnumerator ()
|
|
{
|
|
Hashtable hashtable = Hashtable.Synchronized (new Hashtable ());
|
|
hashtable["a"] = 1;
|
|
//IEnumerator e = (hashtable.Clone() as
|
|
IEnumerator e = (hashtable as ICollection).GetEnumerator ();
|
|
//e.Reset();
|
|
e.MoveNext ();
|
|
DictionaryEntry de = (DictionaryEntry) e.Current;
|
|
}
|
|
|
|
[Test]
|
|
public void SerializableSubClasses ()
|
|
{
|
|
Hashtable ht = new Hashtable ();
|
|
// see bug #76300
|
|
Assert.IsTrue (ht.Keys.GetType ().IsSerializable, "Keys.IsSerializable");
|
|
Assert.IsTrue (ht.Values.GetType ().IsSerializable, "Values.IsSerializable");
|
|
Assert.IsTrue (ht.GetEnumerator ().GetType ().IsSerializable, "GetEnumerator.IsSerializable");
|
|
Assert.IsTrue (Hashtable.Synchronized (ht).GetType ().IsSerializable, "Synchronized.IsSerializable");
|
|
}
|
|
|
|
[Test]
|
|
public void TestHashtableWithCustomComparer ()
|
|
{
|
|
// see bug #324761
|
|
IDHashtable dd = new IDHashtable ();
|
|
Random r = new Random (1000);
|
|
for (int n = 0; n < 10000; n++) {
|
|
int v = r.Next (0, 1000);
|
|
dd [v] = v;
|
|
v = r.Next (0, 1000);
|
|
dd.Remove (v);
|
|
}
|
|
}
|
|
|
|
[Test]
|
|
public void HashtableCopyWithCustomComparer ()
|
|
{
|
|
var ht = new Hashtable ();
|
|
ht.Add ("a", "b");
|
|
try {
|
|
new Hashtable (ht, new IEqualityComparer_ApplicationException ());
|
|
Assert.Fail ("custom comparer not used");
|
|
} catch (ApplicationException) {
|
|
|
|
}
|
|
}
|
|
}
|
|
|
|
class IDHashtable : Hashtable {
|
|
|
|
class IDComparer : IComparer {
|
|
public int Compare (object x, object y)
|
|
{
|
|
if ((int) x == (int) y)
|
|
return 0;
|
|
else
|
|
return 1;
|
|
}
|
|
}
|
|
|
|
class IDHashCodeProvider : IHashCodeProvider {
|
|
public int GetHashCode (object o)
|
|
{
|
|
return (int) o;
|
|
}
|
|
}
|
|
|
|
public IDHashtable ()
|
|
: base (new IDHashCodeProvider (),
|
|
new IDComparer ())
|
|
{
|
|
}
|
|
}
|
|
|
|
[Serializable]
|
|
public class Bug :ISerializable {
|
|
|
|
[Serializable]
|
|
private sealed class InnerClassSerializationHelper : IObjectReference {
|
|
public object GetRealObject( StreamingContext context )
|
|
{
|
|
return new Bug();
|
|
}
|
|
};
|
|
|
|
void ISerializable.GetObjectData (SerializationInfo info, StreamingContext context )
|
|
{
|
|
info.SetType( typeof(InnerClassSerializationHelper) );
|
|
}
|
|
};
|
|
|
|
class IEqualityComparer_ApplicationException : IEqualityComparer
|
|
{
|
|
public new bool Equals (object x, object y)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
public int GetHashCode (object obj)
|
|
{
|
|
throw new ApplicationException ();
|
|
}
|
|
}
|
|
|
|
}
|