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Support benchmark methods in nested types and check for accessibility #13

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merged 2 commits into from
Jul 2, 2015
Merged

Support benchmark methods in nested types and check for accessibility #13

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d70b4cd
Accessibility and genericness checks added for benchmark methods.
krk Jun 25, 2015
04ce12b
Benchmark methods defined in nested classes are supported.
krk Jun 25, 2015
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Accessibility and genericness checks added for benchmark methods.
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@krk
krk committed Jun 25, 2015
commit d70b4cd339c3c40a3a1f7b996b4004ba59c25ff4
37 changes: 37 additions & 0 deletions BenchmarkDotNet/BenchmarkRunner.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -187,6 +187,9 @@ private static IEnumerable<Benchmark> CompetitionToBenchmarks(object competition
{
var target = new BenchmarkTarget(targetType, methodInfo, benchmarkAttribute.Description);
AssertBenchmarkMethodHasCorrectSignature(methodInfo);
AssertBenchmarkMethodIsAccessible(methodInfo);
AssertBenchmarkMethodIsNotDeclaredInGeneric(methodInfo);
AssertBenchmarkMethodIsNotGeneric(methodInfo);
foreach (var task in BenchmarkTask.Resolve(methodInfo, defaultSettings))
yield return new Benchmark(target, task);
}
Expand All @@ -198,5 +201,39 @@ private static void AssertBenchmarkMethodHasCorrectSignature(MethodInfo methodIn
if (methodInfo.GetParameters().Any())
throw new InvalidOperationException($"Benchmark method {methodInfo.Name} has incorrect signature.\nMethod shouldn't have any arguments.");
}
private static void AssertBenchmarkMethodIsAccessible(MethodInfo methodInfo)
{
if (!methodInfo.IsPublic)
throw new InvalidOperationException($"Benchmark method {methodInfo.Name} has incorrect access modifiers.\nMethod must be public.");

var declaringType = methodInfo.DeclaringType;

while (declaringType != null)
{
if (!declaringType.IsPublic && !declaringType.IsNestedPublic)
throw new InvalidOperationException($"Benchmark method {methodInfo.Name} defined within type {declaringType.FullName} has incorrect access modifiers.\nDeclaring type must be public.");

declaringType = declaringType.DeclaringType;
}
}

private static void AssertBenchmarkMethodIsNotDeclaredInGeneric(MethodInfo methodInfo)
{
var declaringType = methodInfo.DeclaringType;

while (declaringType != null)
{
if (declaringType.IsGenericType)
throw new InvalidOperationException($"Benchmark method {methodInfo.Name} defined within generic type {declaringType.FullName}.\nBenchmark methods in generic types are not supported.");

declaringType = declaringType.DeclaringType;
}
}

private static void AssertBenchmarkMethodIsNotGeneric(MethodInfo methodInfo)
{
if (methodInfo.IsGenericMethod)
throw new InvalidOperationException($"Benchmark method {methodInfo.Name} is generic.\nGeneric benchmark methods are not supported.");
}
}
}