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Viewing changes to external/nrefactory/ICSharpCode.NRefactory.Tests/CSharp/Resolver/MethodTests.cs

  • Committer: Package Import Robot
  • Author(s): Jo Shields
  • Date: 2013-05-12 09:46:03 UTC
  • mto: This revision was merged to the branch mainline in revision 29.
  • Revision ID: package-import@ubuntu.com-20130512094603-mad323bzcxvmcam0
Tags: upstream-4.0.5+dfsg
ImportĀ upstreamĀ versionĀ 4.0.5+dfsg

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external/nrefactory/ICSharpCode.NRefactory.Tests/CSharp/Resolver/MethodTests.cs
 
1
ļ»æ// Copyright (c) 2010-2013 AlphaSierraPapa for the SharpDevelop Team
 
2
// 
 
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// Permission is hereby granted, free of charge, to any person obtaining a copy of this
 
4
// software and associated documentation files (the "Software"), to deal in the Software
 
5
// without restriction, including without limitation the rights to use, copy, modify, merge,
 
6
// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
 
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// to whom the Software is furnished to do so, subject to the following conditions:
 
8
// 
 
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// The above copyright notice and this permission notice shall be included in all copies or
 
10
// substantial portions of the Software.
 
11
// 
 
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
 
13
// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
 
14
// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
 
15
// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
 
16
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 
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// DEALINGS IN THE SOFTWARE.
 
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using System;
 
20
using System.Linq;
 
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using ICSharpCode.NRefactory.Semantics;
 
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using ICSharpCode.NRefactory.TypeSystem;
 
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using NUnit.Framework;
 
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namespace ICSharpCode.NRefactory.CSharp.Resolver
 
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{
 
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        [TestFixture]
 
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        public class MethodTests : ResolverTestBase
 
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        {
 
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                [Test]
 
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                public void MethodDeclarationWithAttribute()
 
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                {
 
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                        string code = @"using System;
 
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class TestClass {
 
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        $[Obsolete(""test"")]
 
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        public void M() {
 
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        }$
 
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}";
 
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                        var mrr = Resolve<MemberResolveResult>(code);
 
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                        Assert.AreEqual("TestClass.M", mrr.Member.FullName);
 
41
                }
 
42
                
 
43
                [Test]
 
44
                public void ParameterIdentityInNormalMethod()
 
45
                {
 
46
                        string code = @"using System;
 
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class TestClass {
 
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        $int F(int i, int j) {
 
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                return i + j;
 
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        }$
 
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}";
 
52
                        
 
53
                        var prep = PrepareResolver(code);
 
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                        var md = (MethodDeclaration)prep.Item2;
 
55
 
 
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                        var resolver = prep.Item1;
 
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                        var method = (IMethod)((MemberResolveResult)resolver.Resolve(md)).Member;
 
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                        IVariable i1 = method.Parameters.Single(p => p.Name == "i");
 
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                        IVariable j1 = method.Parameters.Single(p => p.Name == "j");
 
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61
                        var returnExpr = (BinaryOperatorExpression)md.Body.Children.OfType<ReturnStatement>().Single().Expression;
 
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                        var returnRR = (OperatorResolveResult)resolver.Resolve(returnExpr);
 
63
 
 
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                        IVariable i2 = ((LocalResolveResult)returnRR.Operands[0]).Variable;
 
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                        IVariable j2 = ((LocalResolveResult)returnRR.Operands[1]).Variable;
 
66
 
 
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                        Assert.IsTrue(ReferenceEquals(i1, i2));
 
68
                        Assert.IsTrue(ReferenceEquals(i1, i2));
 
69
                }
 
70
 
 
71
                [Test]
 
72
                public void ParameterIdentityInPropertySetter()
 
73
                {
 
74
                        string code = @"using System;
 
75
class TestClass {
 
76
        int myField;
 
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        $int Prop {
 
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                get { return myField; }
 
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                set { myField = value; }
 
80
        }$
 
81
}";
 
82
                        
 
83
                        var prep = PrepareResolver(code);
 
84
                        var pd = (PropertyDeclaration)prep.Item2;
 
85
 
 
86
                        var resolver = prep.Item1;
 
87
                        var property = (IProperty)((MemberResolveResult)resolver.Resolve(pd)).Member;
 
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                        IVariable value1 = property.Setter.Parameters.Single(p => p.Name == "value");
 
89
 
 
90
                        var assignExpr = (AssignmentExpression)pd.Setter.Body.Children.OfType<ExpressionStatement>().Single().Expression;
 
91
                        var assignRR = (OperatorResolveResult)resolver.Resolve(assignExpr);
 
92
 
 
93
                        IVariable value2 = ((LocalResolveResult)assignRR.Operands[1]).Variable;
 
94
 
 
95
                        Assert.IsTrue(ReferenceEquals(value1, value2));
 
96
                }
 
97
 
 
98
                [Test]
 
99
                public void ParameterIdentityInIndexerGetter()
 
100
                {
 
101
                        string code = @"using System;
 
102
class TestClass {
 
103
        int[,] myField;
 
104
        $int this[int i, int j] {
 
105
                get { return myField[i, j]; }
 
106
                set { myField[i, j] = value; }
 
107
        }$
 
108
}";
 
109
                        
 
110
                        var prep = PrepareResolver(code);
 
111
                        var id = (IndexerDeclaration)prep.Item2;
 
112
 
 
113
                        var resolver = prep.Item1;
 
114
                        var property = (IProperty)((MemberResolveResult)resolver.Resolve(id)).Member;
 
115
                        IVariable i1 = property.Getter.Parameters.Single(p => p.Name == "i");
 
116
                        IVariable j1 = property.Getter.Parameters.Single(p => p.Name == "j");
 
117
 
 
118
                        var accessExpr = (IndexerExpression)id.Getter.Body.Children.OfType<ReturnStatement>().Single().Expression;
 
119
                        var accessRR = (ArrayAccessResolveResult)resolver.Resolve(accessExpr);
 
120
                        IVariable i2 = ((LocalResolveResult)accessRR.Indexes[0]).Variable;
 
121
                        IVariable j2 = ((LocalResolveResult)accessRR.Indexes[1]).Variable;
 
122
 
 
123
                        Assert.IsTrue(ReferenceEquals(i1, i2));
 
124
                        Assert.IsTrue(ReferenceEquals(j1, j2));
 
125
                }
 
126
 
 
127
                [Test]
 
128
                public void ParameterIdentityInIndexerSetter()
 
129
                {
 
130
                        string code = @"using System;
 
131
class TestClass {
 
132
        int[,] myField;
 
133
        $int this[int i, int j] {
 
134
                get { return myField[i, j]; }
 
135
                set { myField[i, j] = value; }
 
136
        }$
 
137
}";
 
138
                        
 
139
                        var prep = PrepareResolver(code);
 
140
                        var id = (IndexerDeclaration)prep.Item2;
 
141
 
 
142
                        var resolver = prep.Item1;
 
143
                        var property = (IProperty)((MemberResolveResult)resolver.Resolve(id)).Member;
 
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                        IVariable i1 = property.Setter.Parameters.Single(p => p.Name == "i");
 
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                        IVariable j1 = property.Setter.Parameters.Single(p => p.Name == "j");
 
146
                        IVariable value1 = property.Setter.Parameters.Single(p => p.Name == "value");
 
147
 
 
148
                        var assignExpr = (AssignmentExpression)id.Setter.Body.Children.OfType<ExpressionStatement>().Single().Expression;
 
149
                        var assignRR = (OperatorResolveResult)resolver.Resolve(assignExpr);
 
150
                        var accessRR = (ArrayAccessResolveResult)assignRR.Operands[0];
 
151
                        IVariable i2 = ((LocalResolveResult)accessRR.Indexes[0]).Variable;
 
152
                        IVariable j2 = ((LocalResolveResult)accessRR.Indexes[1]).Variable;
 
153
                        IVariable value2 = ((LocalResolveResult)assignRR.Operands[1]).Variable;
 
154
 
 
155
                        Assert.IsTrue(ReferenceEquals(i1, i2));
 
156
                        Assert.IsTrue(ReferenceEquals(j1, j2));
 
157
                        Assert.IsTrue(ReferenceEquals(value1, value2));
 
158
                }
 
159
                
 
160
                [Test]
 
161
                public void ResolveParameterDeclarationInIndexer()
 
162
                {
 
163
                        string code = @"using System;
 
164
class TestClass {
 
165
        int[,] myField;
 
166
        int this[$int i$, int j] {
 
167
                get { return myField[i, j]; }
 
168
                set { myField[i, j] = value; }
 
169
        }
 
170
}";
 
171
                        var rr = Resolve<LocalResolveResult>(code);
 
172
                        Assert.IsTrue(rr.IsParameter);
 
173
                }
 
174
 
 
175
                [Test]
 
176
                public void ParameterIdentityInEventAdder()
 
177
                {
 
178
                        string code = @"using System;
 
179
class TestClass {
 
180
        EventHandler myField;
 
181
        $event EventHandler Evt {
 
182
                add { myField += value; }
 
183
                remove { myField -= value; }
 
184
        }$
 
185
}";
 
186
                        
 
187
                        var prep = PrepareResolver(code);
 
188
                        var ed = (CustomEventDeclaration)prep.Item2;
 
189
 
 
190
                        var resolver = prep.Item1;
 
191
                        var evt = (IEvent)((MemberResolveResult)resolver.Resolve(ed)).Member;
 
192
                        IVariable value1 = evt.AddAccessor.Parameters.Single(p => p.Name == "value");
 
193
 
 
194
                        var assignExpr = (AssignmentExpression)ed.AddAccessor.Body.Children.OfType<ExpressionStatement>().Single().Expression;
 
195
                        var assignRR = (OperatorResolveResult)resolver.Resolve(assignExpr);
 
196
 
 
197
                        IVariable value2 = ((LocalResolveResult)assignRR.Operands[1]).Variable;
 
198
 
 
199
                        Assert.IsTrue(ReferenceEquals(value1, value2));
 
200
                }
 
201
 
 
202
                [Test]
 
203
                public void ParameterIdentityInEventRemover()
 
204
                {
 
205
                        string code = @"using System;
 
206
class TestClass {
 
207
        EventHandler myField;
 
208
        $event EventHandler Evt {
 
209
                add { myField += value; }
 
210
                remove { myField -= value; }
 
211
        }$
 
212
}";
 
213
                        
 
214
                        var prep = PrepareResolver(code);
 
215
                        var ed = (CustomEventDeclaration)prep.Item2;
 
216
 
 
217
                        var resolver = prep.Item1;
 
218
                        var evt = (IEvent)((MemberResolveResult)resolver.Resolve(ed)).Member;
 
219
                        IVariable value1 = evt.RemoveAccessor.Parameters.Single(p => p.Name == "value");
 
220
 
 
221
                        var assignExpr = (AssignmentExpression)ed.RemoveAccessor.Body.Children.OfType<ExpressionStatement>().Single().Expression;
 
222
                        var assignRR = (OperatorResolveResult)resolver.Resolve(assignExpr);
 
223
 
 
224
                        IVariable value2 = ((LocalResolveResult)assignRR.Operands[1]).Variable;
 
225
 
 
226
                        Assert.IsTrue(ReferenceEquals(value1, value2));
 
227
                }
 
228
                
 
229
                [Test]
 
230
                public void MethodWithInvalidCastInDefaultValue()
 
231
                {
 
232
                        var input = @"
 
233
class TestClass
 
234
{
 
235
        void TestMethod ($int x = true$)
 
236
        {
 
237
        }
 
238
}";
 
239
                        var rr = Resolve<LocalResolveResult>(input);
 
240
                        IParameter p = (IParameter)rr.Variable;
 
241
                        Assert.IsTrue(p.IsOptional);
 
242
                        Assert.IsNull(p.ConstantValue);
 
243
                }
 
244
        }
 
245
}