/src/Libraries/NRefactory/ICSharpCode.NRefactory.Tests/CSharp/CodeIssues/LoopCanBeConvertedToQueryIssueTests.cs
C# | 562 lines | 520 code | 17 blank | 25 comment | 0 complexity | 465f0d8641e48283b1fb1089f6126609 MD5 | raw file
Possible License(s): MPL-2.0-no-copyleft-exception, CC-BY-SA-3.0, Apache-2.0, BSD-3-Clause, LGPL-2.0, CC-BY-3.0
- //
- // LoopCanBeConvertedToQueryIssueTests.cs
- //
- // Author:
- // Mike Kr端ger <mkrueger@xamarin.com>
- //
- // Copyright (c) 2013 Xamarin Inc. (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 ICSharpCode.NRefactory.CSharp.CodeActions;
- using ICSharpCode.NRefactory.CSharp.Refactoring;
- using NUnit.Framework;
- namespace ICSharpCode.NRefactory.CSharp.CodeIssues
- {
- [Ignore]
- [TestFixture]
- public class LoopCanBeConvertedToQueryIssueTests : InspectionActionTestBase
- {
- [Test]
- public void TestCount()
- {
- Test<LoopCanBeConvertedToQueryIssue>(@"
- using System;
- public class Bar
- {
- public void Foo (int[] i)
- {
- int count = 0;
- foreach (var x in i)
- count++;
- }
- }
- ", @"
- using System;
- using System.Linq;
- public class Bar
- {
- public void Foo (int[] i)
- {
- int sum = i.Count ();
- }
- }
- ");
- }
- [Test]
- public void TestCountCase2()
- {
- Test<LoopCanBeConvertedToQueryIssue>(@"
- using System;
- public class Bar
- {
- public void Foo (int[] i)
- {
- int count = 1;
- foreach (var x in i)
- count = count + 1;
- }
- }
- ", @"
- using System;
- using System.Linq;
- public class Bar
- {
- public void Foo (int[] i)
- {
- int sum = 1 + i.Count ();
- }
- }
- ");
- }
- [Test]
- public void TestCountPredicate()
- {
- Test<LoopCanBeConvertedToQueryIssue>(@"
- using System;
- public class Bar
- {
- public void Foo (int[] i)
- {
- int count = 0;
- foreach (var x in i)
- if (x < 10)
- count++;
- }
- }
- ", @"
- using System;
- using System.Linq;
- public class Bar
- {
- public void Foo (int[] i)
- {
- int sum = 1 + i.Count (x => x < 10);
- }
- }
- ");
- }
- [Test]
- public void TestForeachSum()
- {
- Test<LoopCanBeConvertedToQueryIssue>(@"
- using System;
- public class Bar
- {
- public void Foo (int[] i)
- {
- int sum = 0;
- foreach (var j in i) {
- sum += j;
- }
- }
- }
- ", @"
- using System;
- using System.Linq;
- public class Bar
- {
- public void Foo (int[] i)
- {
- int sum = i.Sum ();
- }
- }
- ");
- }
-
- [Test]
- public void TestForSum()
- {
- Test<LoopCanBeConvertedToQueryIssue>(@"
- using System;
- public class Bar
- {
- public void Foo (int[] i)
- {
- int sum = 0;
- for (int j = 0; j < i.Length; j++)
- sum += i [j];
- }
- }
- ", @"
- using System;
- using System.Linq;
- public class Bar
- {
- public void Foo (int[] i)
- {
- int sum = i.Sum ();
- }
- }
- ");
- }
- [Test]
- public void TestForBinaryExpression()
- {
- Test<LoopCanBeConvertedToQueryIssue>(@"
- using System;
- public class Bar
- {
- public void Foo (int[] i)
- {
- int mult = 1;
- for (int j = 0; j < i.Length; j++) {
- mult = mult * i[j];
- }
- }
- }
- ", @"
- using System;
- using System.Linq;
- public class Bar
- {
- public void Foo (int[] i)
- {
- int mult = i.Aggregate (1, (current, t) => current*t);
- }
- }
- ");
- }
- [Test]
- public void TestMaxCase1()
- {
- Test<LoopCanBeConvertedToQueryIssue>(@"
- using System;
- public class Bar
- {
- public void Foo (int[] i)
- {
- int max = 0;
- foreach (var x in i) {
- max = Math.Max (max, x);
- }
- }
- }
- ", @"
- using System;
- using System.Linq;
- public class Bar
- {
- public void Foo (int[] i)
- {
- int max = i.Concat (new[] {0}).Max ();
- }
- }
- ");
- }
- [Test]
- public void TestMaxCase2()
- {
- Test<LoopCanBeConvertedToQueryIssue>(@"
- using System;
- public class Bar
- {
- public void Foo (int[] i)
- {
- int max = 0;
- foreach (var x in i) {
- max = Math.Max (x, max);
- }
- }
- }
- ", @"
- using System;
- using System.Linq;
- public class Bar
- {
- public void Foo (int[] i)
- {
- int max = i.Concat (new[] {0}).Max ();
- }
- }
- ");
- }
- [Test]
- public void TestMaxCase3()
- {
- Test<LoopCanBeConvertedToQueryIssue>(@"
- using System;
- public class Bar
- {
- public void Foo (int[] i)
- {
- int max = 0;
- foreach (var x in i) {
- max = x > max ? x : max;
- }
- }
- }
- ", @"
- using System;
- using System.Linq;
- public class Bar
- {
- public void Foo (int[] i)
- {
- int max = i.Concat (new[] {0}).Max ();
- }
- }
- ");
- Test<LoopCanBeConvertedToQueryIssue>(@"
- using System;
- public class Bar
- {
- public void Foo (int[] i)
- {
- int max = 0;
- foreach (var x in i) {
- max = x >= max ? x : max;
- }
- }
- }
- ", @"
- using System;
- using System.Linq;
- public class Bar
- {
- public void Foo (int[] i)
- {
- int max = i.Concat (new[] {0}).Max ();
- }
- }
- ");
- }
- [Test]
- public void TestMaxCase4()
- {
- Test<LoopCanBeConvertedToQueryIssue>(@"
- using System;
- public class Bar
- {
- public void Foo (int[] i)
- {
- int max = 0;
- foreach (var x in i) {
- max = x < max ? max : x;
- }
- }
- }
- ", @"
- using System;
- using System.Linq;
- public class Bar
- {
- public void Foo (int[] i)
- {
- int max = i.Concat (new[] {0}).Max ();
- }
- }
- ");
- Test<LoopCanBeConvertedToQueryIssue>(@"
- using System;
- public class Bar
- {
- public void Foo (int[] i)
- {
- int max = 0;
- foreach (var x in i) {
- max = x <= max ? max : x;
- }
- }
- }
- ", @"
- using System;
- using System.Linq;
- public class Bar
- {
- public void Foo (int[] i)
- {
- int max = i.Concat (new[] {0}).Max ();
- }
- }
- ");
- }
- [Test]
- public void TestMinCase1()
- {
- Test<LoopCanBeConvertedToQueryIssue>(@"
- using System;
- public class Bar
- {
- public void Foo (int[] i)
- {
- int max = 0;
- foreach (var x in i) {
- max = Math.Min (max, x);
- }
- }
- }
- ", @"
- using System;
- using System.Linq;
- public class Bar
- {
- public void Foo (int[] i)
- {
- int max = i.Concat (new[] {0}).Min ();
- }
- }
- ");
- }
- [Test]
- public void TestCastMatch()
- {
- Test<LoopCanBeConvertedToQueryIssue>(@"
- using System;
- using System.Collections.Generic;
- using System.Linq;
- public class Bar
- {
- public void Foo (object[] i)
- {
- List<Bar> list = new List<Bar>();
- foreach (var x in i) {
- list.Add((Bar)x);
- }
- }
- }
- ", @"
- using System;
- using System.Collections.Generic;
- using System.Linq;
- public class Bar
- {
- public void Foo (object[] i)
- {
- List<Bar> list = i.Cast<Bar> ().ToList ();
- }
- }
- ");
- }
- [Test]
- public void TestOfTypeMatch()
- {
- Test<LoopCanBeConvertedToQueryIssue>(@"
- using System;
- using System.Collections.Generic;
- using System.Linq;
- public class Bar
- {
- public void Foo (object[] i)
- {
- List<Bar> list = new List<Bar>();
- foreach (var x in i) {
- if (x is Bar)
- list.Add((Bar)x);
- }
- }
- }
- ", @"
- using System;
- using System.Collections.Generic;
- using System.Linq;
- public class Bar
- {
- public void Foo (object[] i)
- {
- List<Bar> list = i.OfType<Bar> ().ToList ();
- }
- }
- ");
- }
- [Test]
- public void TestFirstOrDefault()
- {
- Test<LoopCanBeConvertedToQueryIssue>(@"
- using System;
- public class Bar
- {
- public void Foo (object[] i)
- {
- object first = null;
- foreach (var x in i){
- first = x;
- break;
- }
- }
- }
- ", @"
- using System;
- using System.Linq;
- public class Bar
- {
- public void Foo (object[] i)
- {
- object first = i.FirstOrDefault ();
- }
- }
- ");
- }
- [Test]
- public void TestLastOrDefault()
- {
- Test<LoopCanBeConvertedToQueryIssue>(@"
- using System;
- public class Bar
- {
- public void Foo (object[] i)
- {
- object last = null;
- foreach (var x in i){
- last = x;
- }
- }
- }
- ", @"
- using System;
- using System.Linq;
- public class Bar
- {
- public void Foo (object[] i)
- {
- object last = i.LastOrDefault ();
- }
- }
- ");
- }
- [Test]
- public void TestDisable()
- {
- TestWrongContext<LoopCanBeConvertedToQueryIssue>(@"
- using System;
- public class Bar
- {
- public void Foo(int[] i)
- {
- int sum = 0;
- // ReSharper disable once LoopCanBeConvertedToQuery
- foreach (var j in i) {
- sum += j;
- }
- }
- }
- ");
- }
- }
- }