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Viewing changes to external/nrefactory/ICSharpCode.NRefactory.Tests/CSharp/CodeIssues/RedundantNullCheckTests.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
Import upstream version 4.0.5+dfsg

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external/nrefactory/ICSharpCode.NRefactory.Tests/CSharp/CodeIssues/RedundantNullCheckTests.cs
 
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// 
 
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// RedundantNullCheckTests.cs
 
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//  
 
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// Author:
 
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//       Ji Kun <jikun.nus@gmail.com>
 
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// 
 
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// Copyright (c) 2013 Ji Kun
 
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// 
 
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// Permission is hereby granted, free of charge, to any person obtaining a copy
 
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// of this software and associated documentation files (the "Software"), to deal
 
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// in the Software without restriction, including without limitation the rights
 
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 
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// copies of the Software, and to permit persons to whom the Software is
 
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// furnished to do so, subject to the following conditions:
 
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// 
 
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// The above copyright notice and this permission notice shall be included in
 
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// 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, EXPRESS OR
 
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 
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// THE SOFTWARE.
 
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using System;
 
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using NUnit.Framework;
 
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using ICSharpCode.NRefactory.CSharp.Refactoring;
 
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using ICSharpCode.NRefactory.CSharp.CodeActions;
 
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namespace ICSharpCode.NRefactory.CSharp.CodeIssues
 
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{
 
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        [TestFixture]
 
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        public class RedundantNullCheckTests : InspectionActionTestBase
 
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        {
 
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                [Test]
 
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                public void TestInspectorCase1()
 
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                {
 
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                        var input = @"using System;class Test {public void test(){int a = 0;if(a is int && a != null){a = 1;}}}";
 
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                        TestRefactoringContext context;
 
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                        var issues = GetIssues(new RedundantNullCheckIssue(), input, out context);
 
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                        Assert.AreEqual(1, issues.Count);
 
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                        CheckFix(context, issues, @"using System;class Test {public void test(){int a = 0;
 
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                if (a is int) {
 
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                        a = 1;
 
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                }}}");
 
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                }
 
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                [Test]
 
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                public void TestResharperDisable()
 
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                {
 
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                        var input = @"using System;
 
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class Test {
 
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        public void test(){
 
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        int a = 0;
 
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        //Resharper disable RedundantNullCheck
 
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        if(a is int && a != null)
 
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        {a = 1;}
 
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        //Resharper restore RedundantNullCheck
 
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        }       
 
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        }";
 
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                        TestRefactoringContext context;
 
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                        var issues = GetIssues(new RedundantNullCheckIssue(), input, out context);
 
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                        Assert.AreEqual(0, issues.Count);
 
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                }
 
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                [Test]
 
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                public void TestInspectorCase2()
 
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                {
 
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                        var input = @"using System;class Test {public void test(){int a = 0;while(a != null && a is int){a = 1;}}}";
 
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                        TestRefactoringContext context;
 
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                        var issues = GetIssues(new RedundantNullCheckIssue(), input, out context);
 
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                        Assert.AreEqual(1, issues.Count);
 
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                        CheckFix(context, issues, @"using System;class Test {public void test(){int a = 0;
 
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                while (a is int) {
 
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                        a = 1;
 
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                }}}");
 
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                }
 
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                [Ignore("Missing")]
 
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                [Test]
 
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                public void TestCaseWithFullParens()
 
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                {
 
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                        var input = 
 
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                                @"using System;
 
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class TestClass
 
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{
 
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        public void Test(object o)
 
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        {
 
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                if (!((o is int) && (o != null))) {
 
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                }
 
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        }
 
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}";
 
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                        TestRefactoringContext context;
 
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                        var issues = GetIssues(new RedundantNullCheckIssue(), input, out context);
 
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                        Assert.AreEqual(1, issues.Count);
 
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                        CheckFix(context, issues, @"using System;
 
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class TestClass
 
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{
 
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        public void Test(object o)
 
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        {
 
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                if (!(o is int)) {
 
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                }
 
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        }
 
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}");
 
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                }
 
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                [Ignore("Extended version")]
 
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                [Test]
 
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                public void TestNegatedCase()
 
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                {
 
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                        var input = 
 
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                                @"using System;
 
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class TestClass
 
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{
 
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        public void Test(object o)
 
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        {
 
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                if (null == o || !(o is int)) {
 
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                }
 
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        }
 
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}";
 
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                        TestRefactoringContext context;
 
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                        var issues = GetIssues(new RedundantNullCheckIssue(), input, out context);
 
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                        Assert.AreEqual(1, issues.Count);
 
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                        CheckFix(context, issues, @"using System;
 
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class TestClass
 
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{
 
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        public void Test(object o)
 
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        {
 
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                if (!(o is int)) {
 
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                }
 
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        }
 
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}");
 
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                }
 
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        }
 
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}
 
 
b'\\ No newline at end of file'