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Michael Chandler
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,119 @@ | ||
| using Linq2SqlEFCoreBehaviorsTest; | ||
| using Microsoft.EntityFrameworkCore; | ||
| using System; | ||
| using System.Collections.Generic; | ||
| using System.Data.Linq; | ||
| using System.Linq; | ||
|
|
||
| namespace MemCompare | ||
| { | ||
| class ProgramLeakTest | ||
| { | ||
| static void Main(string[] args) | ||
| { | ||
| //L2S(); | ||
| EFCore(); | ||
| } | ||
|
|
||
| private static void EFCore() | ||
| { | ||
| using (var databaseFixure = new DatabaseFixture()) | ||
| { | ||
| Console.WriteLine("Start!"); | ||
|
|
||
| var builder = new DbContextOptionsBuilder<Linq2SqlEFCoreBehaviorsTest.EFCore.EFCoreDataContext>(); | ||
| builder.UseSqlCe(databaseFixure.Connection); | ||
|
|
||
| var options = builder.Options; | ||
|
|
||
| for (int i = 0; i < 10000; i++) | ||
| { | ||
| using (var context = new Linq2SqlEFCoreBehaviorsTest.EFCore.EFCoreDataContext(options)) | ||
| { | ||
| Console.WriteLine(i); | ||
| var data = new LeakTest().EFCore_ProjectionWithInstanceMethodCall(context); | ||
| } | ||
| } | ||
|
|
||
| GC.Collect(); | ||
| Console.WriteLine("Done!"); | ||
| } | ||
| } | ||
|
|
||
| private static void L2S() | ||
| { | ||
| using (var databaseFixure = new DatabaseFixture()) | ||
| { | ||
| Console.WriteLine("Start!"); | ||
|
|
||
| for (int i = 0; i < 10000; i++) | ||
| { | ||
| using (var context = new Linq2SqlEFCoreBehaviorsTest.Linq2Sql.Linq2SqlDataContext(databaseFixure.Connection)) | ||
| { | ||
| Console.WriteLine(i); | ||
| var data = new LeakTest().L2S_ProjectionWithInstanceMethodCall(context); | ||
| //var data = new LeakTest().L2S_CompiledQueryProjectionWithInstanceMethodCall(context).ToList(); | ||
| } | ||
| } | ||
|
|
||
| GC.Collect(); | ||
| Console.WriteLine("Done!"); | ||
| } | ||
| } | ||
| } | ||
|
|
||
| public class LeakTest | ||
| { | ||
| public LeakTest() | ||
| { | ||
| // NOTE: Does not leak. | ||
| L2S_CompiledQueryProjectionWithInstanceMethodCall = | ||
| CompiledQuery.Compile((Linq2SqlEFCoreBehaviorsTest.Linq2Sql.Linq2SqlDataContext context) => context.Employees.Select(w => new Projection { Name = MyFunc(w.Name) })); | ||
| } | ||
|
|
||
| // NOTE: This leaks ~35MB+ in 10,000 executions. | ||
| public IEnumerable<Projection> EFCore_ProjectionWithInstanceMethodCall(Linq2SqlEFCoreBehaviorsTest.EFCore.EFCoreDataContext context) | ||
| { | ||
| return context.Set<Linq2SqlEFCoreBehaviorsTest.EFCore.Employee>().Select(w => new Projection | ||
| { | ||
| Name = MyFunc(w.Name) | ||
| }).ToList(); | ||
| } | ||
|
|
||
| // NOTE: Does not leak. | ||
| public IEnumerable<Projection> EFCore_ProjectionWithLocalLambda(Linq2SqlEFCoreBehaviorsTest.EFCore.EFCoreDataContext context) | ||
| { | ||
| Func<string, string> myFunc = name => name; | ||
|
|
||
| return context.Set<Linq2SqlEFCoreBehaviorsTest.EFCore.Employee>().Select(w => new Projection | ||
| { | ||
| Name = myFunc(w.Name) | ||
| }); | ||
| } | ||
|
|
||
| // NOTE: Does not leak. | ||
| public IEnumerable<Projection> L2S_ProjectionWithInstanceMethodCall(Linq2SqlEFCoreBehaviorsTest.Linq2Sql.Linq2SqlDataContext context) | ||
| { | ||
| return context.Employees.Select(w => new Projection | ||
| { | ||
| Name = MyFunc(w.Name) | ||
| }); | ||
| } | ||
|
|
||
| public Func<Linq2SqlEFCoreBehaviorsTest.Linq2Sql.Linq2SqlDataContext, IQueryable<Projection>> L2S_CompiledQueryProjectionWithInstanceMethodCall; | ||
|
|
||
| private string MyFunc(string value) | ||
| { | ||
| return value.ToString(); | ||
| } | ||
| } | ||
|
|
||
| public class Projection | ||
| { | ||
| public Projection() | ||
| { | ||
| } | ||
|
|
||
| public string Name { get; set; } | ||
| } | ||
| } |
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