Alexander Sher

AssertionScope.FailWith can't be told not to unescape line breaks

2

### Description In the error message, it is easier to compare strings when they are presented escaped. For example, ``` Line 1\r\n \tLine 2 ``` and ``` Line 1\r\n\tLine 2...

Please allow to add mixins to the substitute

2

Right now, only CallRouter instance is added as a mixin to the substitute: ``` private ProxyGenerationOptions GetOptionsToMixinCallRouter(ICallRouter callRouter) { var options = new ProxyGenerationOptions(_allMethodsExceptCallRouterCallsHook); options.AddMixinInstance(callRouter); return options; } ``` It...

Package Manager update fails "boot" package

2

``` R evaluation failed: rtvs:::package_update("boot", "C:/Program Files/Microsoft/R Open/R-3.4.1/library") Error in winDialog("yesno", sprintf(msg, sQuote(userdir))) : ShowMessageBox: blocking callback not allowed during evaluation. ```

Required for linux unit-tests

When standard UI thread loop is replaced with `JoinableTaskFactory` job, `Dispatcher.Invoke` is blocked until job is completed. This may end up in a deadlock if calling code has switched from...

Support custom error data extraction in RequestFailedException

2

`ClientDiagnostics` type has a virtual method that can be overridden: https://github.com/Azure/azure-sdk-for-net/blob/main/sdk/core/Azure.Core/src/Shared/ClientDiagnostics.cs#L52 If `ExtractFailureContent` is overridden in derived type, there is no way to use it when we call `RequestFailedException` constructor...

Use ArrayBackedPropertyBag for PipelineRequest

2

Benchmarks: ``` | Categories | count | Method | Mean | Error | StdDev | Ratio | Gen 0 | Allocated | |------------------------------ |------ |------------------ |------------:|---------:|---------:|------:|-------:|----------:| | CreateHttpRequestMessage | 2...

Improve AzureCoreEventSource performance as well as its usage

4

According to this [recommendation](https://github.com/dotnet/runtime/blob/main/src/libraries/System.Private.CoreLib/src/System/Diagnostics/Tracing/EventSource.cs#L1347-L1362), performance can be increased with additional helper methods. Also, as @KrzysztofCwalina pointed out, we don't need to calculate arguments for the events that which level is...