/vim/bundle/YouCompleteMe/third_party/ycmd/third_party/OmniSharpServer/NRefactory/ICSharpCode.NRefactory.Tests/CSharp/CodeActions/LinqFluentToQueryTests.cs
C# | 627 lines | 579 code | 23 blank | 25 comment | 0 complexity | c49239fd0f8ea72885ef1fa315e15b4d MD5 | raw file
Possible License(s): Apache-2.0, BSD-3-Clause, CC-BY-SA-3.0, MIT, WTFPL
- //
- // LinqFluentToQueryTests.cs
- //
- // Author:
- // Luís Reis <luiscubal@gmail.com>
- //
- // Copyright (c) 2013 Luís Reis
- //
- // 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.Refactoring;
- using NUnit.Framework;
- namespace ICSharpCode.NRefactory.CSharp.CodeActions
- {
- [TestFixture]
- public class LinqFluentToQueryTests : ContextActionTestBase
- {
- [Test]
- public void TestBasicCase()
- {
- Test<LinqFluentToQueryAction>(@"
- using System.Linq;
- class TestClass
- {
- void TestMethod ()
- {
- var x = new int[0].$Select (t => t);
- }
- }", @"
- using System.Linq;
- class TestClass
- {
- void TestMethod ()
- {
- var x = from t in new int[0]
- select t;
- }
- }");
- }
- [Test]
- public void TestAddedParenthesis()
- {
- Test<LinqFluentToQueryAction>(@"
- using System.Linq;
- class TestClass
- {
- void TestMethod ()
- {
- var x = new int[0].$Select (t => t) + 1;
- }
- }", @"
- using System.Linq;
- class TestClass
- {
- void TestMethod ()
- {
- var x = (from t in new int[0]
- select t) + 1;
- }
- }");
- }
- [Test]
- public void TestCast()
- {
- Test<LinqFluentToQueryAction>(@"
- using System.Linq;
- class TestClass
- {
- void TestMethod ()
- {
- var x = new int[0].$Cast<int> ();
- }
- }", @"
- using System.Linq;
- class TestClass
- {
- void TestMethod ()
- {
- var x = from int _1 in new int[0]
- select _1;
- }
- }");
- }
- [Test]
- public void TestLet()
- {
- Test<LinqFluentToQueryAction>(@"
- using System.Linq;
- class TestClass
- {
- void TestMethod ()
- {
- var x = new int[0].Select (w => new { w, two = w * 2 }).$Select (_ => _.two);
- }
- }", @"
- using System.Linq;
- class TestClass
- {
- void TestMethod ()
- {
- var x = from w in new int[0]
- let two = w * 2
- select two;
- }
- }");
- }
- [Test]
- public void TestLet2()
- {
- Test<LinqFluentToQueryAction>(@"
- using System.Linq;
- class TestClass
- {
- void TestMethod ()
- {
- var x = new int[0].Select (w => new { two = w * 2, w }).$Select (_ => _.two);
- }
- }", @"
- using System.Linq;
- class TestClass
- {
- void TestMethod ()
- {
- var x = from w in new int[0]
- let two = w * 2
- select two;
- }
- }");
- }
- [Test]
- public void TestLongLetChain()
- {
- Test<LinqFluentToQueryAction>(@"
- using System.Linq;
- class TestClass
- {
- void TestMethod ()
- {
- var x = new int[0].Select (w => new { w, two = w * 2 })
- .Select (h => new { h, three = h.w * 3 })
- .Select (k => new { k, four = k.h.w * 4 })
- .$Select (_ => _.k.h.w + _.k.h.two + _.k.three + _.four)
- .Select (sum => sum * 2);
- }
- }", @"
- using System.Linq;
- class TestClass
- {
- void TestMethod ()
- {
- var x = from w in new int[0]
- let two = w * 2
- let three = w * 3
- let four = w * 4
- select w + two + three + four into sum
- select sum * 2;
- }
- }");
- }
- [Test]
- public void TestLongLetChain2()
- {
- Test<LinqFluentToQueryAction>(@"
- using System.Linq;
- class TestClass
- {
- void TestMethod ()
- {
- var x = new int[0].Select (w => new { two = w * 2, w })
- .Select (h => new { three = h.w * 3, h })
- .Select (k => new { four = k.h.w * 4, k })
- .$Select (_ => _.k.h.w + _.k.h.two + _.k.three + _.four)
- .Select (sum => sum * 2);
- }
- }", @"
- using System.Linq;
- class TestClass
- {
- void TestMethod ()
- {
- var x = from w in new int[0]
- let two = w * 2
- let three = w * 3
- let four = w * 4
- select w + two + three + four into sum
- select sum * 2;
- }
- }");
- }
- [Test]
- public void TestSelectMany()
- {
- Test<LinqFluentToQueryAction>(@"
- using System.Linq;
- class TestClass
- {
- void TestMethod ()
- {
- var x = new int[0].$SelectMany (elem => new int[0], (elem1, elem2) => elem1 + elem2);
- }
- }", @"
- using System.Linq;
- class TestClass
- {
- void TestMethod ()
- {
- var x = from elem1 in new int[0]
- from elem2 in new int[0]
- select elem1 + elem2;
- }
- }");
- }
- [Test]
- public void TestSelectManyLet()
- {
- Test<LinqFluentToQueryAction>(@"
- using System.Linq;
- class TestClass
- {
- void TestMethod ()
- {
- var x = new int[0].$SelectMany (elem => new int[0], (elem1, elem2) => new { elem1, elem2 }).Select(i => new { i, sum = i.elem1 + i.elem2 })
- .Select(j => j.i.elem1 + j.i.elem2 + j.sum);
- }
- }", @"
- using System.Linq;
- class TestClass
- {
- void TestMethod ()
- {
- var x = from elem1 in new int[0]
- from elem2 in new int[0]
- let sum = elem1 + elem2
- select elem1 + elem2 + sum;
- }
- }");
- }
- [Test]
- public void TestSelectManyLet2()
- {
- Test<LinqFluentToQueryAction>(@"
- using System.Linq;
- class TestClass
- {
- void TestMethod ()
- {
- var x = new int[0].$SelectMany (elem => new int[0], (elem1, elem2) => new { elem1, elem2 = elem2 + 1 }).Select(i => new { i, sum = i.elem1 + i.elem2 })
- .Select(j => j.i.elem1 + j.i.elem2 + j.sum);
- }
- }", @"
- using System.Linq;
- class TestClass
- {
- void TestMethod ()
- {
- var x = from elem1 in new int[0]
- from elem2 in new int[0]
- select new {
- elem1,
- elem2 = elem2 + 1
- } into i
- let sum = i.elem1 + i.elem2
- select i.elem1 + i.elem2 + sum;
- }
- }");
- }
- [Test]
- public void TestCastSelect()
- {
- Test<LinqFluentToQueryAction>(@"
- using System.Linq;
- class TestClass
- {
- void TestMethod ()
- {
- var x = new int[0].$Cast<int> ().Select (t => t * 2);
- }
- }", @"
- using System.Linq;
- class TestClass
- {
- void TestMethod ()
- {
- var x = from int t in new int[0]
- select t * 2;
- }
- }");
- }
- [Test]
- public void TestSelectWhere ()
- {
- Test<LinqFluentToQueryAction>(@"
- using System.Linq;
- class TestClass
- {
- void TestMethod ()
- {
- var x = new int[0].$Where (t => t > 0).Select (t => t * 2);
- }
- }", @"
- using System.Linq;
- class TestClass
- {
- void TestMethod ()
- {
- var x = from t in new int[0]
- where t > 0
- select t * 2;
- }
- }");
- }
- [Test]
- public void TestSorting ()
- {
- Test<LinqFluentToQueryAction>(@"
- using System.Linq;
- class TestClass
- {
- void TestMethod ()
- {
- var x = new int[0].$OrderBy (t => t).ThenByDescending (t => t);
- }
- }", @"
- using System.Linq;
- class TestClass
- {
- void TestMethod ()
- {
- var x = from t in new int[0]
- orderby t, t descending
- select t;
- }
- }");
- }
- [Test]
- public void TestDegenerateWhere ()
- {
- Test<LinqFluentToQueryAction>(@"
- using System.Linq;
- class TestClass
- {
- void TestMethod ()
- {
- var x = new int[0].$Where (t => t > 0);
- }
- }", @"
- using System.Linq;
- class TestClass
- {
- void TestMethod ()
- {
- var x = from t in new int[0]
- where t > 0
- select t;
- }
- }");
- }
- [Test]
- public void TestChain ()
- {
- Test<LinqFluentToQueryAction>(@"
- using System.Linq;
- class TestClass
- {
- void TestMethod ()
- {
- var x = new int[0].Where (t => t > 0).$Where (u => u > 0);
- }
- }", @"
- using System.Linq;
- class TestClass
- {
- void TestMethod ()
- {
- var x = from t in new int[0]
- where t > 0
- select t into u
- where u > 0
- select u;
- }
- }");
- }
- [Test]
- public void TestJoin()
- {
- Test<LinqFluentToQueryAction>(@"
- using System.Linq;
- class TestClass
- {
- void TestMethod ()
- {
- var x = new int[0].Cast<char> ().$Join(new int[0].Cast<float> (), a => a * 2, b => b, (l, r) => l * r);
- }
- }", @"
- using System.Linq;
- class TestClass
- {
- void TestMethod ()
- {
- var x = from char a in new int[0]
- join float b in new int[0] on a * 2 equals b
- select a * b;
- }
- }");
- }
- [Test]
- public void TestGroupJoin()
- {
- Test<LinqFluentToQueryAction>(@"
- using System.Linq;
- class TestClass
- {
- void TestMethod ()
- {
- var x = new int[0].Cast<char> ().$GroupJoin(new int[0].Cast<float> (), a => a * 2, b => b, (l, r) => l * r [0]);
- }
- }", @"
- using System.Linq;
- class TestClass
- {
- void TestMethod ()
- {
- var x = from char a in new int[0]
- join float b in new int[0] on a * 2 equals b into r
- select a * r [0];
- }
- }");
- }
- [Test]
- public void TestNonRecursive()
- {
- Test<LinqFluentToQueryAction>(@"
- using System.Linq;
- class TestClass
- {
- void TestMethod ()
- {
- var x = Enumerable.Empty<int[]> ().$Select (t => t.Select (v => v));
- }
- }", @"
- using System.Linq;
- class TestClass
- {
- void TestMethod ()
- {
- var x = from t in Enumerable.Empty<int[]> ()
- select t.Select (v => v);
- }
- }");
- }
- [Test]
- public void TestNonRecursiveCombineQueries()
- {
- Test<LinqFluentToQueryAction>(@"
- using System.Linq;
- class TestClass
- {
- void TestMethod ()
- {
- var x = Enumerable.Empty<int[]> ().$Select (t => (from g in t select g));
- }
- }", @"
- using System.Linq;
- class TestClass
- {
- void TestMethod ()
- {
- var x = from t in Enumerable.Empty<int[]> ()
- select (from g in t
- select g);
- }
- }");
- }
- [Test]
- public void TestGroupBy()
- {
- Test<LinqFluentToQueryAction>(@"
- using System.Linq;
- class TestClass
- {
- void TestMethod ()
- {
- var x = new int[0].$GroupBy (t => t, t => new int[0]);
- }
- }", @"
- using System.Linq;
- class TestClass
- {
- void TestMethod ()
- {
- var x = from t in new int[0]
- group new int[0] by t;
- }
- }");
- }
- [Test]
- public void Test_1AlreadyUsed()
- {
- Test<LinqFluentToQueryAction>(@"
- using System.Linq;
- class TestClass
- {
- void TestMethod ()
- {
- int _1;
- var x = new int[0].$Cast<float> ();
- }
- }", @"
- using System.Linq;
- class TestClass
- {
- void TestMethod ()
- {
- int _1;
- var x = from float _2 in new int[0]
- select _2;
- }
- }");
- }
- [Test]
- public void TestDoubleCasts()
- {
- Test<LinqFluentToQueryAction>(@"
- using System.Linq;
- class TestClass
- {
- void TestMethod ()
- {
- var x = new int[0].$Cast<float> ().Cast<int> ();
- }
- }", @"
- using System.Linq;
- class TestClass
- {
- void TestMethod ()
- {
- var x = from int _1 in
- from float _2 in new int[0]
- select _2
- select _1;
- }
- }");
- }
- }
- }