Skip to content

Instantly share code, notes, and snippets.

@xerxesb

xerxesb/gist:4654224

Last active December 11, 2015 20:18
Show Gist options
  • Save xerxesb/4654224 to your computer and use it in GitHub Desktop.
Save xerxesb/4654224 to your computer and use it in GitHub Desktop.
Download ZIP

Revisions

  1. xerxesb revised this gist Jan 28, 2013. 1 changed file with 1 addition and 2 deletions.
    3 changes: 1 addition & 2 deletions gistfile1.cs
    View file
    Original file line number Diff line number Diff line change
    @@ -22,8 +22,7 @@ public static string DoIt(List<Call> list)

    var callsByTargetType = list
    .GroupBy(call => call.Target.GetType())
    .Select(targets => new
    {
    .Select(targets => new {
    targets.Key,
    HasMoreThanOneInstanceOfType = targets.Distinct(new TargetComparer()).Count() > 1
    });
  2. xerxesb revised this gist Jan 28, 2013. 1 changed file with 10 additions and 10 deletions.
    20 changes: 10 additions & 10 deletions gistfile1.cs
    View file
    Original file line number Diff line number Diff line change
    @@ -11,24 +11,24 @@ public class Formatter
    {
    public static string DoIt(List<Call> list)
    {
    list.Each((x, i) => x.CallOrder = i);

    list.Distinct(new TargetComparer())
    .Tap((c, i) => c.InstanceNumber = i + 1)
    .Tap((c, i) => list
    .Where(x => x.Target == c.Target)
    .Tap((c2, i2) => c2.InstanceNumber = c.InstanceNumber));
    list.Tap((x, i) => x.CallOrder = i)
    .Distinct(new TargetComparer())
    .Each((c, i) =>
    {
    c.InstanceNumber = i + 1;
    list.Where(x => x.Target == c.Target)
    .Each((c2, i2) => c2.InstanceNumber = c.InstanceNumber);
    });

    var callsByTargetType = list
    .GroupBy(call => call.Target.GetType())
    .Select(targets => new
    {
    targets.Key,
    UniqueInstances = targets.Distinct(new TargetComparer())
    HasMoreThanOneInstanceOfType = targets.Distinct(new TargetComparer()).Count() > 1
    });

    var hasMultipleInstancesOfSingleType = callsByTargetType.Any(x => x.UniqueInstances.Count() > 1);
    if (hasMultipleInstancesOfSingleType)
    if (callsByTargetType.Any(x => x.HasMoreThanOneInstanceOfType))
    {
    return String.Join("\r\n", list.Select(x => String.Format("{0}@{1}", x.InstanceNumber, x.MemberCall)));
    }
  3. xerxesb created this gist Jan 28, 2013.
    214 changes: 214 additions & 0 deletions gistfile1.cs
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,214 @@
    using System;
    using System.Collections.Generic;
    using System.Diagnostics;
    using NUnit.Framework;
    using Shouldly;
    using System.Linq;

    namespace MethodInfos
    {
    public class Formatter
    {
    public static string DoIt(List<Call> list)
    {
    list.Each((x, i) => x.CallOrder = i);

    list.Distinct(new TargetComparer())
    .Tap((c, i) => c.InstanceNumber = i + 1)
    .Tap((c, i) => list
    .Where(x => x.Target == c.Target)
    .Tap((c2, i2) => c2.InstanceNumber = c.InstanceNumber));

    var callsByTargetType = list
    .GroupBy(call => call.Target.GetType())
    .Select(targets => new
    {
    targets.Key,
    UniqueInstances = targets.Distinct(new TargetComparer())
    });

    var hasMultipleInstancesOfSingleType = callsByTargetType.Any(x => x.UniqueInstances.Count() > 1);
    if (hasMultipleInstancesOfSingleType)
    {
    return String.Join("\r\n", list.Select(x => String.Format("{0}@{1}", x.InstanceNumber, x.MemberCall)));
    }

    return String.Join("\r\n", list.Select(x => x.MemberCall));
    }
    }

    public class TargetComparer : IEqualityComparer<Call>
    {
    [DebuggerStepThrough]
    public bool Equals(Call x, Call y)
    {
    return x.Target == y.Target;
    }

    [DebuggerStepThrough]
    public int GetHashCode(Call obj)
    {
    return obj.Target.GetHashCode();
    }
    }

    public class A { }
    public class B { }

    [TestFixture]
    public class MethodInfoTests
    {
    [Test]
    public void SingleItemShouldDisplaySingleCall()
    {
    var list = new List<Call> { CreateCall(new A(), "Foo.Bar") };

    var result = Formatter.DoIt(list);

    result.ShouldBe("Foo.Bar");
    }

    [Test]
    public void MultipleCallsOfTheSameObjectShouldDisplayMultipleCalls()
    {
    var a = new A();
    var list = new List<Call> { CreateCall(a, "Foo.Bar"), CreateCall(a, "Foo.Baz") };

    var result = Formatter.DoIt(list);

    result.ShouldBe("Foo.Bar\r\nFoo.Baz");
    }

    [Test]
    public void MultipleCallsOfDifferentObjectsShouldDisplayMultipleCalls()
    {
    var a = new A();
    var b = new B();
    var list = new List<Call> { CreateCall(a, "Foo.Bar"), CreateCall(b, "Guff.Wot") };

    var result = Formatter.DoIt(list);

    result.ShouldBe("Foo.Bar\r\nGuff.Wot");
    }

    [Test]
    public void MultipleCallsOfDifferentInstancesOfSameTypeShouldDisplayMultipleCallsWithPrefix()
    {
    var a1 = new A();
    var a2 = new A();
    var list = new List<Call> { CreateCall(a1, "Foo.Bar"), CreateCall(a2, "Foo.Bar") };

    var result = Formatter.DoIt(list);

    result.ShouldBe("[email protected]\r\n[email protected]");
    }

    [Test]
    public void TheTchepak()
    {
    var a = new A();
    var b = new A();
    var c = new B();
    /*
    Calls = [ (a, Foo.Bar), (b, Foo.Zap), (c, List.ToString), (a, Foo.Bongo) ]
    Output:
    [email protected]
    [email protected]
    [email protected]
    [email protected]
    */
    var list = new List<Call>
    {
    CreateCall(a, "Foo.Bar"),
    CreateCall(b, "Foo.Zap"),
    CreateCall(c, "List.ToString"),
    CreateCall(a, "Foo.Bongo")
    };

    var result = Formatter.DoIt(list);

    result.ShouldBe(@"[email protected]
    [email protected]
    [email protected]
    [email protected]");

    }

    [Test]
    public void MultipleCallsDisDifferentInstancesOfDifferentTypesShouldDisplayMultipleCallsWithPrefix()
    {
    var a1 = new A();
    var a2 = new A();
    var b1 = new B();
    var b2 = new B();
    var list = new List<Call>()
    {
    CreateCall(a1, "Foo.Bar"),
    CreateCall(a2, "Foo.Bar"),
    CreateCall(b1, "Baz.Wak"),
    CreateCall(a1, "Foooey.Bor"),
    CreateCall(b2, "Fup.Wuz"),
    CreateCall(b1, "Baz.Wuz"),
    CreateCall(a1, "Foooey.Baz")
    };

    var result = Formatter.DoIt(list);

    result.ShouldBe(@"[email protected]
    [email protected]
    [email protected]
    [email protected]
    [email protected]
    [email protected]
    [email protected]");
    }

    private static Call CreateCall(object a, string methodInfo)
    {
    return new Call(a, methodInfo);
    }
    }

    public class Call
    {
    protected bool Equals(Call other)
    {
    return Equals(_target, other._target) && string.Equals(_memberCall, other._memberCall);
    }

    public override bool Equals(object obj)
    {
    if (ReferenceEquals(null, obj)) return false;
    if (ReferenceEquals(this, obj)) return true;
    if (obj.GetType() != this.GetType()) return false;
    return Equals((Call) obj);
    }

    public override int GetHashCode()
    {
    unchecked
    {
    return ((_target != null ? _target.GetHashCode() : 0)*397) ^ (_memberCall != null ? _memberCall.GetHashCode() : 0);
    }
    }

    private readonly object _target;
    private readonly string _memberCall;

    public Call(object target, string memberCall)
    {
    _target = target;
    _memberCall = memberCall;
    }

    public object Target { get { return _target; } }
    public string MemberCall { get { return _memberCall; } }
    public int CallOrder { get; set; }
    public int InstanceNumber { get; set; }

    public override string ToString()
    {
    return string.Format("MemberCall: {0}, Target: {1}, CallOrder: {2}, InstanceNumber: {3}", MemberCall, Target, CallOrder, InstanceNumber);
    }
    }
    }