File size: 1,996 Bytes
8c763fb | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 | // Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
using BenchmarkDotNet.Validators;
using System.Collections.Generic;
using System.Linq;
using BenchmarkDotNet.Running;
namespace BenchmarkDotNet.Extensions
{
public class UniqueArgumentsValidator : IValidator
{
public bool TreatsWarningsAsErrors => true;
public IEnumerable<ValidationError> Validate(ValidationParameters validationParameters)
=> validationParameters.Benchmarks
.Where(benchmark => benchmark.HasArguments || benchmark.HasParameters)
.GroupBy(benchmark => (benchmark.Descriptor.Type, benchmark.Descriptor.WorkloadMethod, benchmark.Job))
.Where(sameBenchmark =>
{
int numberOfUniqueTestCases = sameBenchmark.Distinct(new BenchmarkArgumentsComparer()).Count();
int numberOfTestCases = sameBenchmark.Count();
return numberOfTestCases != numberOfUniqueTestCases;
})
.Select(duplicate => new ValidationError(true, $"Benchmark Arguments should be unique, {duplicate.Key.Type}.{duplicate.Key.WorkloadMethod} has duplicate arguments.", duplicate.First()));
private class BenchmarkArgumentsComparer : IEqualityComparer<BenchmarkCase>
{
public bool Equals(BenchmarkCase x, BenchmarkCase y)
=> Enumerable.SequenceEqual(
x.Parameters.Items.Select(argument => argument.Value),
y.Parameters.Items.Select(argument => argument.Value));
public int GetHashCode(BenchmarkCase obj)
=> obj.Parameters.Items
.Where(item => item.Value != null)
.Aggregate(seed: 0, (hashCode, argument) => hashCode ^= argument.Value.GetHashCode());
}
}
}
|