private static async Task RunTest(CacheMetadataResolver resolver)
{
var tasks = new List <Task>();
int max = 10000;
for (int i = 0; i < max; i++)
{
tasks.Add(Task.Run(() =>
{
resolver.ResolveReference($"ref{i}", $"path", MetadataReferenceProperties.Assembly);
}));
}
await Task.WhenAll(tasks);
}
public async Task ResolveReference_IsThreadSafe()
{
var innerMock = new Mock <MetadataReferenceResolver>();
innerMock
.Setup(m => m.ResolveReference(It.IsAny <string>(), It.IsAny <string>(), It.IsAny <MetadataReferenceProperties>()))
.Returns(() => new[] { new TestRef() }.ToImmutableArray <PortableExecutableReference>());
var resolver = new CacheMetadataResolver(innerMock.Object);
// We're testing a race condition, so run the test several times
// to ensure it does not happen.
for (int i = 0; i < 10; i++)
{
await RunTest(resolver);
}
}
