648 lines
18 KiB
C#
648 lines
18 KiB
C#
//
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// SortedDictionaryTest.cs
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//
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// Author:
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// Atsushi Enomoto <atsushi@ximian.com>
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//
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// Copyright (C) 2006 Novell, Inc (http://www.novell.com)
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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using System;
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using System.IO;
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using System.Collections;
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using System.Collections.Generic;
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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.Generic
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{
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[TestFixture]
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public class SortedDictionaryTest
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{
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[Test]
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public void CtorNullComparer ()
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{
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SortedDictionary<int,string> sd =
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new SortedDictionary<int,string> ((IComparer<int>) null);
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Assert.AreEqual (Comparer<int>.Default, sd.Comparer);
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}
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[Test]
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[ExpectedException (typeof (ArgumentNullException))]
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public void CtorNullDictionary ()
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{
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new SortedDictionary<int,string> (default (IDictionary<int,string>));
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}
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[Test]
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[ExpectedException (typeof (ArgumentNullException))]
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public void CtorComparerDictionaryNullComparer ()
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{
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new SortedDictionary<int,string> (default (IDictionary<int,string>), null);
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}
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[Test]
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[ExpectedException (typeof (ArgumentNullException))]
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public void CtorComparerDictionaryNullDictionary ()
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{
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new SortedDictionary<int,string> (null, default (IComparer<int>));
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}
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[Test]
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public void CtorDefault ()
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{
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SortedDictionary<int,string> d =
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new SortedDictionary<int,string> ();
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Assert.IsNotNull (d.Comparer);
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}
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[Test]
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public void CtorDictionary ()
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{
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Dictionary<int,string> src = new Dictionary<int,string> ();
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src.Add (0, "Foo");
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src.Add (4, "Bar");
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src.Add (2, "Baz");
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SortedDictionary<int,string> d =
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new SortedDictionary<int,string> (src);
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Assert.AreEqual (3, d.Count, "#1");
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Assert.AreEqual ("Bar", d [4], "#2");
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IDictionaryEnumerator e = d.GetEnumerator ();
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Assert.IsTrue (e.MoveNext (), "#3");
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Assert.AreEqual ("Foo", e.Value, "#4");
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Assert.IsTrue (e.MoveNext (), "#5");
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Assert.AreEqual ("Baz", e.Value, "#6");
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Assert.IsTrue (e.MoveNext (), "#7");
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Assert.AreEqual ("Bar", e.Value, "#8");
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src.Add (3, "Hoge"); // it does not affect.
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Assert.AreEqual (3, d.Count, "#9");
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}
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[Test]
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[ExpectedException (typeof (ArgumentException))]
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public void AddDuplicate ()
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{
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SortedDictionary<int,string> d =
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new SortedDictionary<int,string> ();
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d.Add (0, "A");
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d.Add (0, "A");
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}
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[Test]
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public void AddNullValue ()
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{
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SortedDictionary<int,string> d =
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new SortedDictionary<int,string> ();
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d.Add (0, null);
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d.Add (1, "A");
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d.Add (2, null);
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Assert.IsNull (d [0], "#0");
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Assert.AreEqual ("A", d [1], "#1");
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Assert.IsNull (d [2], "#2");
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}
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[Test]
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[ExpectedException (typeof (ArgumentNullException))]
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public void AddNullKey ()
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{
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SortedDictionary<string,string> d =
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new SortedDictionary<string,string> ();
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d.Add (null, null);
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}
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[Test]
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[ExpectedException (typeof (ArgumentNullException))]
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public void AddNullKeyNullable ()
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{
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SortedDictionary<int?,string> d = new SortedDictionary<int?,string> ();
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d.Add (null, "TEST");
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}
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[Test]
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[ExpectedException (typeof (KeyNotFoundException))]
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public void GetItemNonexistent ()
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{
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SortedDictionary<int,int> d =
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new SortedDictionary<int,int> ();
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Assert.AreEqual (0, d [0]); // does not exist.
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}
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[Test]
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public void SetItemNonexistent ()
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{
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SortedDictionary<int,int> d =
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new SortedDictionary<int,int> ();
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d [0] = 1;
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Assert.AreEqual (1, d.Count);
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}
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[Test]
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public void SetItemExistent ()
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{
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SortedDictionary<int,int> d =
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new SortedDictionary<int,int> ();
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d.Add (0, 0);
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Assert.AreEqual (1, d.Count, "#1");
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d [0] = 1;
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Assert.AreEqual (1, d.Count, "#2");
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Assert.AreEqual (1, d [0], "#3");
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}
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[Test]
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public void GetEnumerator1 ()
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{
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SortedDictionary<int,string> d =
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new SortedDictionary<int,string> ();
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d.Add (1, "A");
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d.Add (3, "B");
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d.Add (2, "C");
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SortedDictionary<int,string>.Enumerator e = d.GetEnumerator ();
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Assert.IsTrue (e.MoveNext (), "#1");
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Assert.AreEqual ("A", e.Current.Value, "#2");
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Assert.IsTrue (e.MoveNext (), "#3");
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Assert.AreEqual ("C", e.Current.Value, "#4");
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Assert.IsTrue (e.MoveNext (), "#5");
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Assert.AreEqual ("B", e.Current.Value, "#6");
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Assert.IsFalse (e.MoveNext (), "#7");
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}
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[Test]
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[ExpectedException (typeof (InvalidOperationException))]
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public void GetEnumerator2 ()
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{
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SortedDictionary<int,string> d =
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new SortedDictionary<int,string> ();
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d.Add (1, "A");
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d.Add (3, "B");
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d.Add (2, "C");
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IEnumerator e = d.GetEnumerator ();
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d.Add (4, "D");
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e.MoveNext ();
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}
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[Test]
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public void CustomComparer ()
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{
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SortedDictionary<int,string> d =
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new SortedDictionary<int,string> (
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ReverseComparer<int>.Instance);
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d.Add (1, "A");
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d.Add (3, "B");
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d.Add (2, "C");
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SortedDictionary<int,string>.Enumerator e = d.GetEnumerator ();
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Assert.IsTrue (e.MoveNext (), "#1");
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Assert.AreEqual ("B", e.Current.Value, "#2");
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Assert.IsTrue (e.MoveNext (), "#3");
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Assert.AreEqual ("C", e.Current.Value, "#4");
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Assert.IsTrue (e.MoveNext (), "#5");
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Assert.AreEqual ("A", e.Current.Value, "#6");
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Assert.IsFalse (e.MoveNext (), "#7");
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}
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[Test]
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public void Remove ()
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{
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SortedDictionary<int,string> d =
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new SortedDictionary<int,string> ();
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Assert.IsFalse (d.Remove (0), "#1");
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d.Add (0, "Foo");
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Assert.IsTrue (d.Remove (0), "#2");
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Assert.IsFalse (d.Remove (0), "#3");
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}
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[Test]
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public void TryGetValue ()
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{
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SortedDictionary<int,string> d =
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new SortedDictionary<int,string> ();
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string s;
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Assert.IsFalse (d.TryGetValue (0, out s), "#1");
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Assert.IsNull (s, "#2");
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d.Add (0, "Test");
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Assert.IsTrue (d.TryGetValue (0, out s), "#3");
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Assert.AreEqual ("Test", s, "#4");
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Assert.IsFalse (d.TryGetValue (1, out s), "#5");
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Assert.IsNull (s, "#6");
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}
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[Test]
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public void CopyTo ()
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{
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SortedDictionary<int,string> d =
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new SortedDictionary<int,string> ();
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d.Add (1, "A");
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KeyValuePair <int, string> [] array =
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new KeyValuePair <int, string> [d.Count];
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d.CopyTo (array, 0);
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Assert.AreEqual (1, array.Length);
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Assert.AreEqual (1, array [0].Key);
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Assert.AreEqual ("A", array [0].Value);
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d = new SortedDictionary<int,string> ();
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array = new KeyValuePair <int, string> [d.Count];
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d.CopyTo (array, 0);
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Assert.AreEqual (0, array.Length);
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ICollection c = new SortedDictionary<int,string> ();
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array = new KeyValuePair <int, string> [c.Count];
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c.CopyTo (array, 0);
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Assert.AreEqual (0, array.Length);
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}
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[Test]
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[ExpectedException (typeof (ArgumentNullException))]
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public void IDictionaryAddKeyNull ()
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{
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IDictionary d = new SortedDictionary<string,string> ();
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d.Add (null, "A");
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}
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[Test]
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[ExpectedException (typeof (ArgumentNullException))]
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public void IDictionaryAddKeyNullValueType ()
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{
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IDictionary d = new SortedDictionary<int,string> ();
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d.Add (null, "A");
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}
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[Test]
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public void IDictionaryAddValueNull ()
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{
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IDictionary d = new SortedDictionary<string,string> ();
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// If we simply check "if (value is TValue)" it won't pass.
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d.Add ("A", null);
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}
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[Test]
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[ExpectedException (typeof (ArgumentNullException))]
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public void IDictionaryAddValueNullValueType ()
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{
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IDictionary d = new SortedDictionary<string,int> ();
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// If we simply allow null it won't result in ArgumentException.
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d.Add ("A", null);
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}
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[Test]
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[ExpectedException (typeof (NotSupportedException))]
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public void KeysICollectionAdd ()
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{
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SortedDictionary<int,string> d = new SortedDictionary<int,string> ();
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d.Add (1, "A");
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ICollection<int> col = d.Keys;
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col.Add (2);
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}
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[Test]
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[ExpectedException (typeof (NotSupportedException))]
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public void KeysICollectionClear ()
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{
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SortedDictionary<int,string> d = new SortedDictionary<int,string> ();
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d.Add (1, "A");
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ICollection<int> col = d.Keys;
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col.Clear ();
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}
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[Test]
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[ExpectedException (typeof (NotSupportedException))]
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public void KeysICollectionRemove ()
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{
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SortedDictionary<int,string> d = new SortedDictionary<int,string> ();
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d.Add (1, "A");
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ICollection<int> col = d.Keys;
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col.Remove (1);
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}
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[Test]
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public void KeysICollectionCopyTo ()
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{
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SortedDictionary<int,string> d = new SortedDictionary<int, string> ();
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d.Add (1, "A");
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ICollection<int> col = d.Keys;
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int[] array = new int [col.Count];
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col.CopyTo (array, 0);
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Assert.AreEqual (1, array.Length);
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Assert.AreEqual (1, array [0]);
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// Bug #497720
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d = new SortedDictionary<int, string> ();
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col = d.Keys;
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array = new int [col.Count];
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col.CopyTo (array, 0);
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}
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[Test]
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[ExpectedException (typeof (NotSupportedException))]
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public void ValuesICollectionAdd ()
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{
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SortedDictionary<int,string> d = new SortedDictionary<int,string> ();
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d.Add (1, "A");
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ICollection<string> col = d.Values;
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col.Add ("B");
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}
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[Test]
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[ExpectedException (typeof (NotSupportedException))]
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public void ValuesICollectionClear ()
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{
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SortedDictionary<int,string> d = new SortedDictionary<int,string> ();
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d.Add (1, "A");
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ICollection<string> col = d.Values;
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col.Clear ();
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}
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[Test]
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[ExpectedException (typeof (NotSupportedException))]
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public void ValuesICollectionRemove ()
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{
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SortedDictionary<int,string> d = new SortedDictionary<int,string> ();
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d.Add (1, "A");
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ICollection<string> col = d.Values;
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col.Remove ("A");
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}
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[Test]
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public void ValuesICollectionCopyTo ()
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{
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SortedDictionary<int,string> d = new SortedDictionary<int,string> ();
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d.Add (1, "A");
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ICollection<string> col = d.Values;
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string[] array = new string [col.Count];
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col.CopyTo (array, 0);
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Assert.AreEqual (1, array.Length);
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Assert.AreEqual ("A", array [0]);
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d = new SortedDictionary<int,string> ();
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col = d.Values;
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array = new string [col.Count];
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col.CopyTo (array, 0);
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}
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[Test]
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public void KeysGetEnumerator1 ()
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{
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SortedDictionary<int,string> d =
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new SortedDictionary<int,string> ();
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d.Add (1, "A");
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d.Add (3, "B");
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d.Add (2, "C");
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IEnumerator e = d.Keys.GetEnumerator ();
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Assert.IsTrue (e.MoveNext (), "#1");
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Assert.AreEqual (1, e.Current, "#2");
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Assert.IsTrue (e.MoveNext (), "#3");
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Assert.AreEqual (2, e.Current, "#4");
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Assert.IsTrue (e.MoveNext (), "#5");
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Assert.AreEqual (3, e.Current, "#6");
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Assert.IsFalse (e.MoveNext (), "#7");
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}
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[Test]
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[ExpectedException (typeof (InvalidOperationException))]
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public void KeysGetEnumerator2 ()
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{
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SortedDictionary<int,string> d =
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new SortedDictionary<int,string> ();
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d.Add (1, "A");
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d.Add (3, "B");
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d.Add (2, "C");
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IEnumerator e = d.Keys.GetEnumerator ();
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d.Add (4, "D");
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e.MoveNext ();
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}
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[Test]
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public void ValuesGetEnumerator1 ()
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{
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SortedDictionary<int,string> d =
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new SortedDictionary<int,string> ();
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d.Add (1, "A");
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d.Add (3, "B");
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d.Add (2, "C");
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IEnumerator e = d.Values.GetEnumerator ();
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Assert.IsTrue (e.MoveNext (), "#1");
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Assert.AreEqual ("A", e.Current, "#2");
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Assert.IsTrue (e.MoveNext (), "#3");
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Assert.AreEqual ("C", e.Current, "#4");
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Assert.IsTrue (e.MoveNext (), "#5");
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Assert.AreEqual ("B", e.Current, "#6");
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Assert.IsFalse (e.MoveNext (), "#7");
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}
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[Test]
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[ExpectedException (typeof (InvalidOperationException))]
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public void ValuesGetEnumerator2 ()
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{
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SortedDictionary<int,string> d =
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new SortedDictionary<int,string> ();
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d.Add (1, "A");
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d.Add (3, "B");
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d.Add (2, "C");
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IEnumerator e = d.Values.GetEnumerator ();
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d.Add (4, "D");
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e.MoveNext ();
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}
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delegate void D ();
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bool Throws (D d)
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{
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try {
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d ();
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return false;
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} catch {
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return true;
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}
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}
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[Test]
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// based on #491858, #517415
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public void Enumerator_Current ()
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{
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var e1 = new SortedDictionary<int,int>.Enumerator ();
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Assert.IsFalse (Throws (delegate { var x = e1.Current; GC.KeepAlive (x);}));
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var d = new SortedDictionary<int,int> ();
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var e2 = d.GetEnumerator ();
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Assert.IsFalse (Throws (delegate { var x = e2.Current; GC.KeepAlive (x);}));
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e2.MoveNext ();
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Assert.IsFalse (Throws (delegate { var x = e2.Current; GC.KeepAlive (x);}));
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e2.Dispose ();
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Assert.IsFalse (Throws (delegate { var x = e2.Current; GC.KeepAlive (x);}));
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var e3 = ((IEnumerable<KeyValuePair<int,int>>) d).GetEnumerator ();
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Assert.IsFalse (Throws (delegate { var x = e3.Current; GC.KeepAlive (x);}));
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e3.MoveNext ();
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Assert.IsFalse (Throws (delegate { var x = e3.Current; GC.KeepAlive (x);}));
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e3.Dispose ();
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Assert.IsFalse (Throws (delegate { var x = e3.Current; GC.KeepAlive (x);}));
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var e4 = ((IEnumerable) d).GetEnumerator ();
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Assert.IsTrue (Throws (delegate { var x = e4.Current; GC.KeepAlive (x);}));
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e4.MoveNext ();
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Assert.IsTrue (Throws (delegate { var x = e4.Current; GC.KeepAlive (x);}));
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((IDisposable) e4).Dispose ();
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Assert.IsTrue (Throws (delegate { var x = e4.Current; GC.KeepAlive (x);}));
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}
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[Test]
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// based on #491858, #517415
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public void KeyEnumerator_Current ()
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{
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var e1 = new SortedDictionary<int,int>.KeyCollection.Enumerator ();
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Assert.IsFalse (Throws (delegate { var x = e1.Current; GC.KeepAlive (x); }));
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var d = new SortedDictionary<int,int> ().Keys;
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var e2 = d.GetEnumerator ();
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|
Assert.IsFalse (Throws (delegate { var x = e2.Current; GC.KeepAlive (x); }));
|
|
e2.MoveNext ();
|
|
Assert.IsFalse (Throws (delegate { var x = e2.Current; GC.KeepAlive (x); }));
|
|
e2.Dispose ();
|
|
Assert.IsFalse (Throws (delegate { var x = e2.Current; GC.KeepAlive (x); }));
|
|
|
|
var e3 = ((IEnumerable<int>) d).GetEnumerator ();
|
|
Assert.IsFalse (Throws (delegate { var x = e3.Current; GC.KeepAlive (x); }));
|
|
e3.MoveNext ();
|
|
Assert.IsFalse (Throws (delegate { var x = e3.Current; GC.KeepAlive (x); }));
|
|
e3.Dispose ();
|
|
Assert.IsFalse (Throws (delegate { var x = e3.Current; GC.KeepAlive (x); }));
|
|
|
|
var e4 = ((IEnumerable) d).GetEnumerator ();
|
|
Assert.IsTrue (Throws (delegate { var x = e4.Current; GC.KeepAlive (x); }));
|
|
e4.MoveNext ();
|
|
Assert.IsTrue (Throws (delegate { var x = e4.Current; GC.KeepAlive (x); }));
|
|
((IDisposable) e4).Dispose ();
|
|
Assert.IsTrue (Throws (delegate { var x = e4.Current; GC.KeepAlive (x); }));
|
|
}
|
|
|
|
[Test]
|
|
// based on #491858, #517415
|
|
public void ValueEnumerator_Current ()
|
|
{
|
|
var e1 = new SortedDictionary<int,int>.ValueCollection.Enumerator ();
|
|
Assert.IsFalse (Throws (delegate { var x = e1.Current; GC.KeepAlive (x); }));
|
|
|
|
var d = new SortedDictionary<int,int> ().Values;
|
|
var e2 = d.GetEnumerator ();
|
|
Assert.IsFalse (Throws (delegate { var x = e2.Current; GC.KeepAlive (x); }));
|
|
e2.MoveNext ();
|
|
Assert.IsFalse (Throws (delegate { var x = e2.Current; GC.KeepAlive (x); }));
|
|
e2.Dispose ();
|
|
Assert.IsFalse (Throws (delegate { var x = e2.Current; GC.KeepAlive (x); }));
|
|
|
|
var e3 = ((IEnumerable<int>) d).GetEnumerator ();
|
|
Assert.IsFalse (Throws (delegate { var x = e3.Current; GC.KeepAlive (x); }));
|
|
e3.MoveNext ();
|
|
Assert.IsFalse (Throws (delegate { var x = e3.Current; GC.KeepAlive (x); }));
|
|
e3.Dispose ();
|
|
Assert.IsFalse (Throws (delegate { var x = e3.Current; GC.KeepAlive (x); }));
|
|
|
|
var e4 = ((IEnumerable) d).GetEnumerator ();
|
|
Assert.IsTrue (Throws (delegate { var x = e4.Current; GC.KeepAlive (x); }));
|
|
e4.MoveNext ();
|
|
Assert.IsTrue (Throws (delegate { var x = e4.Current; GC.KeepAlive (x); }));
|
|
((IDisposable) e4).Dispose ();
|
|
Assert.IsTrue (Throws (delegate { var x = e4.Current; GC.KeepAlive (x); }));
|
|
}
|
|
|
|
[Test]
|
|
public void ValueEnumeratorNotEmpty_Current ()
|
|
{
|
|
var dict = new SortedDictionary<int, string> ();
|
|
dict.Add (1, "1");
|
|
|
|
IEnumerator e = new SortedDictionary<int, string>.ValueCollection (dict).GetEnumerator ();
|
|
while (e.MoveNext()) {}
|
|
|
|
Assert.IsTrue (Throws (delegate { var x = e.Current; }));
|
|
}
|
|
|
|
// Serialize a dictionary out and deserialize it back in again
|
|
SortedDictionary<int, string> Roundtrip(SortedDictionary<int, string> dic)
|
|
{
|
|
BinaryFormatter bf = new BinaryFormatter ();
|
|
MemoryStream stream = new MemoryStream ();
|
|
bf.Serialize (stream, dic);
|
|
stream.Position = 0;
|
|
return (SortedDictionary<int, string>)bf.Deserialize (stream);
|
|
}
|
|
|
|
[Test]
|
|
public void Serialize()
|
|
{
|
|
SortedDictionary<int, string> test = new SortedDictionary<int, string>();
|
|
test.Add(1, "a");
|
|
test.Add(3, "c");
|
|
test.Add(2, "b");
|
|
|
|
SortedDictionary<int, string> result = Roundtrip(test);
|
|
Assert.AreEqual(3, result.Count);
|
|
|
|
Assert.AreEqual("a", result[1]);
|
|
Assert.AreEqual("b", result[2]);
|
|
Assert.AreEqual("c", result[3]);
|
|
}
|
|
|
|
[Test]
|
|
public void SerializeReverseComparer()
|
|
{
|
|
SortedDictionary<int,string> test =
|
|
new SortedDictionary<int,string> (
|
|
ReverseComparer<int>.Instance);
|
|
|
|
test.Add (1, "A");
|
|
test.Add (3, "B");
|
|
test.Add (2, "C");
|
|
|
|
SortedDictionary<int,string> result = Roundtrip (test);
|
|
|
|
SortedDictionary<int,string>.Enumerator e = result.GetEnumerator ();
|
|
Assert.IsTrue (e.MoveNext (), "#1");
|
|
Assert.AreEqual ("B", e.Current.Value, "#2");
|
|
Assert.IsTrue (e.MoveNext (), "#3");
|
|
Assert.AreEqual ("C", e.Current.Value, "#4");
|
|
Assert.IsTrue (e.MoveNext (), "#5");
|
|
Assert.AreEqual ("A", e.Current.Value, "#6");
|
|
Assert.IsFalse (e.MoveNext (), "#7");
|
|
}
|
|
}
|
|
|
|
[Serializable]
|
|
class ReverseComparer<T> : IComparer<T>
|
|
{
|
|
static ReverseComparer<T> instance = new ReverseComparer<T> ();
|
|
public static ReverseComparer<T> Instance {
|
|
get { return instance; }
|
|
}
|
|
|
|
ReverseComparer ()
|
|
{
|
|
}
|
|
|
|
public int Compare (T t1, T t2)
|
|
{
|
|
return Comparer<T>.Default.Compare (t2, t1);
|
|
}
|
|
}
|
|
}
|