[CodeIssues] Add simplified versions Math functions.

5 files changed, 312 insertions, 0 deletions

diff --git a/ICSharpCode.NRefactory.Tests/CSharp/CodeIssues/ReplaceWithSingleCallToAverageIssueTests.cs b/ICSharpCode.NRefactory.Tests/CSharp/CodeIssues/ReplaceWithSingleCallToAverageIssueTests.cs
new file mode 100644
index 00000000..4860400e
--- /dev/null
+++ b/ICSharpCode.NRefactory.Tests/CSharp/CodeIssues/ReplaceWithSingleCallToAverageIssueTests.cs
@@ -0,0 +1,77 @@
+// 
+// ReplaceWithSingleCallToAverageTests.cs
+//
+// Author:
+//       Marius Ungureanu <marius.ungureanu@xamarin.com>
+// 
+// Copyright (c) 2014 Xamarin <http://xamarin.com>
+// 
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+// 
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+using System;
+using NUnit.Framework;
+using ICSharpCode.NRefactory.CSharp.Refactoring;
+using ICSharpCode.NRefactory.CSharp.CodeActions;
+
+namespace ICSharpCode.NRefactory.CSharp.CodeIssues
+{
+	[TestFixture]
+	public class ReplaceWithSingleCallToAverageIssueTests : InspectionActionTestBase
+	{
+		[Test]
+		public void TestSimpleCase()
+		{
+			var input = @"using System.Linq;
+public class CSharpDemo {
+	public void Bla () {
+		int[] arr;
+		var bla = arr.Select (x => x * 2).Average ();
+	}
+}";
+
+			TestRefactoringContext context;
+			var issues = GetIssues(new ReplaceWithSingleCallToAverageIssue(), input, out context);
+			Assert.AreEqual(1, issues.Count);
+			CheckFix(context, issues, @"using System.Linq;
+public class CSharpDemo {
+	public void Bla () {
+		int[] arr;
+		var bla = arr.Average (x => x * 2);
+	}
+}");
+		}
+
+		[Test]
+		public void TestDisable()
+		{
+			var input = @"using System.Linq;
+public class CSharpDemo {
+	public void Bla () {
+		int[] arr;
+// ReSharper disable ReplaceWithSingleCallToAverage
+		var bla = arr.Select (x => x * 2).Average ();
+	}
+}";
+
+			TestRefactoringContext context;
+			var issues = GetIssues(new ReplaceWithSingleCallToAverageIssue(), input, out context);
+			Assert.AreEqual(0, issues.Count);
+		}
+	}
+}
diff --git a/ICSharpCode.NRefactory.Tests/CSharp/CodeIssues/ReplaceWithSingleCallToMaxIssueTests.cs b/ICSharpCode.NRefactory.Tests/CSharp/CodeIssues/ReplaceWithSingleCallToMaxIssueTests.cs
new file mode 100644
index 00000000..6ed64113
--- /dev/null
+++ b/ICSharpCode.NRefactory.Tests/CSharp/CodeIssues/ReplaceWithSingleCallToMaxIssueTests.cs
@@ -0,0 +1,77 @@
+// 
+// ReplaceWithSingleCallToMaxTests.cs
+//
+// Author:
+//       Marius Ungureanu <marius.ungureanu@xamarin.com>
+// 
+// Copyright (c) 2014 Xamarin <http://xamarin.com>
+// 
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+// 
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+using System;
+using NUnit.Framework;
+using ICSharpCode.NRefactory.CSharp.Refactoring;
+using ICSharpCode.NRefactory.CSharp.CodeActions;
+
+namespace ICSharpCode.NRefactory.CSharp.CodeIssues
+{
+	[TestFixture]
+	public class ReplaceWithSingleCallToMaxIssueTests : InspectionActionTestBase
+	{
+		[Test]
+		public void TestSimpleCase()
+		{
+			var input = @"using System.Linq;
+public class CSharpDemo {
+	public void Bla () {
+		int[] arr;
+		var bla = arr.Select (x => x * 2).Max ();
+	}
+}";
+
+			TestRefactoringContext context;
+			var issues = GetIssues(new ReplaceWithSingleCallToMaxIssue(), input, out context);
+			Assert.AreEqual(1, issues.Count);
+			CheckFix(context, issues, @"using System.Linq;
+public class CSharpDemo {
+	public void Bla () {
+		int[] arr;
+		var bla = arr.Max (x => x * 2);
+	}
+}");
+		}
+
+		[Test]
+		public void TestDisable()
+		{
+			var input = @"using System.Linq;
+public class CSharpDemo {
+	public void Bla () {
+		int[] arr;
+// ReSharper disable ReplaceWithSingleCallToMax
+		var bla = arr.Select (x => x * 2).Max ();
+	}
+}";
+
+			TestRefactoringContext context;
+			var issues = GetIssues(new ReplaceWithSingleCallToMaxIssue(), input, out context);
+			Assert.AreEqual(0, issues.Count);
+		}
+	}
+}
diff --git a/ICSharpCode.NRefactory.Tests/CSharp/CodeIssues/ReplaceWithSingleCallToMinIssueTests.cs b/ICSharpCode.NRefactory.Tests/CSharp/CodeIssues/ReplaceWithSingleCallToMinIssueTests.cs
new file mode 100644
index 00000000..d0637960
--- /dev/null
+++ b/ICSharpCode.NRefactory.Tests/CSharp/CodeIssues/ReplaceWithSingleCallToMinIssueTests.cs
@@ -0,0 +1,77 @@
+// 
+// ReplaceWithSingleCallToMinTests.cs
+//
+// Author:
+//       Marius Ungureanu <marius.ungureanu@xamarin.com>
+// 
+// Copyright (c) 2014 Xamarin <http://xamarin.com>
+// 
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+// 
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+using System;
+using NUnit.Framework;
+using ICSharpCode.NRefactory.CSharp.Refactoring;
+using ICSharpCode.NRefactory.CSharp.CodeActions;
+
+namespace ICSharpCode.NRefactory.CSharp.CodeIssues
+{
+	[TestFixture]
+	public class ReplaceWithSingleCallToMinIssueTests : InspectionActionTestBase
+	{
+		[Test]
+		public void TestSimpleCase()
+		{
+			var input = @"using System.Linq;
+public class CSharpDemo {
+	public void Bla () {
+		int[] arr;
+		var bla = arr.Select (x => x * 2).Min ();
+	}
+}";
+
+			TestRefactoringContext context;
+			var issues = GetIssues(new ReplaceWithSingleCallToMinIssue(), input, out context);
+			Assert.AreEqual(1, issues.Count);
+			CheckFix(context, issues, @"using System.Linq;
+public class CSharpDemo {
+	public void Bla () {
+		int[] arr;
+		var bla = arr.Min (x => x * 2);
+	}
+}");
+		}
+
+		[Test]
+		public void TestDisable()
+		{
+			var input = @"using System.Linq;
+public class CSharpDemo {
+	public void Bla () {
+		int[] arr;
+// ReSharper disable ReplaceWithSingleCallToMin
+		var bla = arr.Select (x => x * 2).Min ();
+	}
+}";
+
+			TestRefactoringContext context;
+			var issues = GetIssues(new ReplaceWithSingleCallToMinIssue(), input, out context);
+			Assert.AreEqual(0, issues.Count);
+		}
+	}
+}
diff --git a/ICSharpCode.NRefactory.Tests/CSharp/CodeIssues/ReplaceWithSingleCallToSumIssueTests.cs b/ICSharpCode.NRefactory.Tests/CSharp/CodeIssues/ReplaceWithSingleCallToSumIssueTests.cs
new file mode 100644
index 00000000..9f953231
--- /dev/null
+++ b/ICSharpCode.NRefactory.Tests/CSharp/CodeIssues/ReplaceWithSingleCallToSumIssueTests.cs
@@ -0,0 +1,77 @@
+// 
+// ReplaceWithSingleCallToSumTests.cs
+//
+// Author:
+//       Marius Ungureanu <marius.ungureanu@xamarin.com>
+// 
+// Copyright (c) 2014 Xamarin <http://xamarin.com>
+// 
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+// 
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+using System;
+using NUnit.Framework;
+using ICSharpCode.NRefactory.CSharp.Refactoring;
+using ICSharpCode.NRefactory.CSharp.CodeActions;
+
+namespace ICSharpCode.NRefactory.CSharp.CodeIssues
+{
+	[TestFixture]
+	public class ReplaceWithSingleCallToSumIssueTests : InspectionActionTestBase
+	{
+		[Test]
+		public void TestSimpleCase()
+		{
+			var input = @"using System.Linq;
+public class CSharpDemo {
+	public void Bla () {
+		int[] arr;
+		var bla = arr.Select (x => x * 2).Sum ();
+	}
+}";
+
+			TestRefactoringContext context;
+			var issues = GetIssues(new ReplaceWithSingleCallToSumIssue(), input, out context);
+			Assert.AreEqual(1, issues.Count);
+			CheckFix(context, issues, @"using System.Linq;
+public class CSharpDemo {
+	public void Bla () {
+		int[] arr;
+		var bla = arr.Sum (x => x * 2);
+	}
+}");
+		}
+
+		[Test]
+		public void TestDisable()
+		{
+			var input = @"using System.Linq;
+public class CSharpDemo {
+	public void Bla () {
+		int[] arr;
+// ReSharper disable ReplaceWithSingleCallToSum
+		var bla = arr.Select (x => x * 2).Sum ();
+	}
+}";
+
+			TestRefactoringContext context;
+			var issues = GetIssues(new ReplaceWithSingleCallToSumIssue(), input, out context);
+			Assert.AreEqual(0, issues.Count);
+		}
+	}
+}
diff --git a/ICSharpCode.NRefactory.Tests/ICSharpCode.NRefactory.Tests.csproj b/ICSharpCode.NRefactory.Tests/ICSharpCode.NRefactory.Tests.csproj
index 3f9cd2b4..4f089f7d 100644
--- a/ICSharpCode.NRefactory.Tests/ICSharpCode.NRefactory.Tests.csproj
+++ b/ICSharpCode.NRefactory.Tests/ICSharpCode.NRefactory.Tests.csproj
@@ -618,6 +618,10 @@
     <Compile Include="CSharp\CodeIssues\StaticEventSubscriptionIssueTests.cs" />
     <Compile Include="CSharp\CodeActions\CS1105ExtensionMethodMustBeDeclaredStaticActionTests.cs" />
     <Compile Include="CSharp\CodeIssues\UnmatchedSizeSpeicificationInArrayCreationTests.cs" />
+    <Compile Include="CSharp\CodeIssues\ReplaceWithSingleCallToMaxIssueTests.cs" />
+    <Compile Include="CSharp\CodeIssues\ReplaceWithSingleCallToMinIssueTests.cs" />
+    <Compile Include="CSharp\CodeIssues\ReplaceWithSingleCallToSumIssueTests.cs" />
+    <Compile Include="CSharp\CodeIssues\ReplaceWithSingleCallToAverageIssueTests.cs" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\..\cecil\Mono.Cecil.csproj">