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/**
* Copyright (c) David Miller. All rights reserved.
* The use and distribution terms for this software are covered by the
* Eclipse Public License 1.0 (http://opensource.org/licenses/eclipse-1.0.php)
* which can be found in the file epl-v10.html at the root of this distribution.
* By using this software in any fashion, you are agreeing to be bound by
* the terms of this license.
* You must not remove this notice, or any other, from this software.
**/
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using NUnit.Framework;
using Rhino.Mocks;
using clojure.lang;
using RMExpect = Rhino.Mocks.Expect;
using System.Collections;
namespace Clojure.Tests.LibTests
{
[TestFixture]
public class SymbolTests : AssertionHelper
{
#region c-tor tests
[Test]
public void Intern2CreatesSymbolWithNoNS()
{
Symbol sym = Symbol.intern(null, "abc");
Expect(sym.Name, EqualTo("abc"));
Expect(sym.Namespace, Null);
Expect(sym.meta(), Null);
}
[Test]
public void Intern2CreatesSymbolWithNS()
{
Symbol sym = Symbol.intern("def", "abc");
Expect(sym.Name, EqualTo("abc"));
Expect(sym.Namespace, EqualTo("def"));
Expect(sym.meta(), Null);
}
[Test]
public void Intern2InternsStrings()
{
String symname = new StringBuilder().Append("ab").Append("c").ToString();
String nsname = new StringBuilder().Append("ab").Append("c").ToString();
Symbol sym1 = Symbol.intern(nsname,symname);
Symbol sym2 = Symbol.intern(nsname,symname);
Expect(String.IsInterned(sym1.Name),Not.Null);
Expect(String.IsInterned(sym1.Namespace), Not.Null);
Expect(Object.ReferenceEquals(sym1.Name, sym2.Name));
Expect(Object.ReferenceEquals(sym1.Namespace, sym2.Namespace));
Expect(object.ReferenceEquals(sym1.Name, symname), False);
}
[Test]
public void Intern1CreatesSymbolWithNoNS()
{
Symbol sym = Symbol.intern("abc");
Expect(sym.Name, EqualTo("abc"));
Expect(sym.Namespace, Null);
Expect(sym.meta(), Null);
}
[Test]
public void Intern1CreatesSymbolWithNS()
{
Symbol sym = Symbol.intern("def/abc");
Expect(sym.Name, EqualTo("abc"));
Expect(sym.Namespace, EqualTo("def"));
Expect(sym.meta(), Null);
}
[Test]
public void Intern1CreatesSymbolWithNSFromLastSlash()
{
Symbol sym = Symbol.intern("ghi/def/abc");
Expect(sym.Name, EqualTo("abc"));
Expect(sym.Namespace, EqualTo("ghi/def"));
Expect(sym.meta(), Null);
}
[Test]
public void Intern1InternsStrings()
{
String name = new StringBuilder().Append("def/").Append("abc").ToString();
Symbol sym1 = Symbol.intern(name);
Symbol sym2 = Symbol.intern(name);
Expect(String.IsInterned(sym1.Name), Not.Null);
Expect(String.IsInterned(sym1.Namespace), Not.Null);
Expect(Object.ReferenceEquals(sym1.Name, sym2.Name));
Expect(Object.ReferenceEquals(sym1.Namespace, sym2.Namespace));
}
#endregion
#region Object overrides
[Test]
public void SymToStringWithNoNSIsJustName()
{
Symbol sym = Symbol.intern("abc");
Expect(sym.ToString(), EqualTo("abc"));
}
[Test]
public void SymToStringWithNsConcatenatesNames()
{
Symbol sym = Symbol.intern("def", "abc");
Expect(sym.ToString(), EqualTo("def/abc"));
}
[Test]
public void EqualsOnIdentityIsTrue()
{
Symbol sym = Symbol.intern("abc");
Expect(sym.Equals(sym));
}
[Test]
public void EqualsOnNonSymbolIsFalse()
{
Symbol sym = Symbol.intern("abc");
Expect(sym.Equals("abc"), False);
}
[Test]
public void EqualsOnDissimilarSymbolIsFalse()
{
Symbol sym1 = Symbol.intern("abc");
Symbol sym2 = Symbol.intern("ab");
Symbol sym3 = Symbol.intern("def", "abc");
Symbol sym4 = Symbol.intern("de","abc");
Expect(sym1.Equals(sym2), False);
Expect(sym1.Equals(sym3), False);
Expect(sym3.Equals(sym4), False);
}
[Test]
public void EqualsOnSimilarSymbolIsTrue()
{
Symbol sym1 = Symbol.intern("abc");
Symbol sym2 = Symbol.intern("abc");
Symbol sym3 = Symbol.intern("def", "abc");
Symbol sym4 = Symbol.intern("def", "abc");
Expect(sym1.Equals(sym2));
Expect(sym3.Equals(sym4));
}
[Test]
public void HashCodeDependsOnNames()
{
Symbol sym1 = Symbol.intern("abc");
Symbol sym2 = Symbol.intern("abc");
Symbol sym3 = Symbol.intern("def", "abc");
Symbol sym4 = Symbol.intern("def", "abc");
Symbol sym5 = Symbol.intern("ab");
Symbol sym6 = Symbol.intern("de", "abc");
Expect(sym1.GetHashCode(), EqualTo(sym2.GetHashCode()));
Expect(sym3.GetHashCode(), EqualTo(sym4.GetHashCode()));
Expect(sym1.GetHashCode(), Not.EqualTo(sym3.GetHashCode()));
Expect(sym1.GetHashCode(), Not.EqualTo(sym5.GetHashCode()));
Expect(sym3.GetHashCode(), Not.EqualTo(sym6.GetHashCode()));
}
#endregion
#region Named tests
// We've been testing these all along.
#endregion
#region IFn tests
[Test]
public void Invoke2IndexesIntoItsFirstArg()
{
Symbol sym1 = Symbol.intern("abc");
Symbol sym2 = Symbol.intern("abc");
Symbol sym3 = Symbol.intern("ab");
IDictionary dict = new Hashtable();
dict[sym1] = 7;
dict["abc"] = 8;
Expect(sym1.invoke(dict), EqualTo(7));
Expect(sym2.invoke(dict), EqualTo(7));
Expect(sym3.invoke(dict), Null);
}
[Test]
public void Invoke3IndexesIntoItsFirstArg()
{
Symbol sym1 = Symbol.intern("abc");
Symbol sym2 = Symbol.intern("abc");
Symbol sym3 = Symbol.intern("ab");
IDictionary dict = new Hashtable();
dict[sym1] = 7;
dict["abc"] = 8;
Expect(sym1.invoke(dict,20), EqualTo(7));
Expect(sym2.invoke(dict,20), EqualTo(7));
Expect(sym3.invoke(dict,20), EqualTo(20));
}
[Test]
[ExpectedException(typeof(ArgumentException))]
public void InvokeOnNoArgsFails()
{
Symbol sym1 = Symbol.intern("abc");
object o = sym1.invoke();
}
[Test]
[ExpectedException(typeof(ArgumentException))]
public void InvokeOnTooManyArgsFails()
{
Symbol sym1 = Symbol.intern("abc");
IDictionary dict = new Hashtable();
dict[sym1] = 7;
dict["abc"] = 8;
object o = sym1.invoke(dict,20,null);
}
#endregion
#region IComparable tests
[Test]
[ExpectedException(typeof(InvalidOperationException))]
public void CompareToNonSymbolFails()
{
Symbol sym1 =
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