[wasm] JS Interop tests failing with latest chrome - `JavaScript host object 'SharedArrayBuffer' not found`

[radical]

#61937 upgrades chrome used to run the tests, to the latest stable version - 96.0.4664.45:

[22:46:06] fail: [FAIL] System.Runtime.InteropServices.JavaScript.Tests.JavaScriptTests.CoreTypes
[22:46:06] info: System.Runtime.InteropServices.JavaScript.JSException : JavaScript host object 'SharedArrayBuffer' not found.
[22:46:06] info:    at System.Runtime.InteropServices.JavaScript.Runtime.CreateCSOwnedObject(JSObject proxy, String typeName, Object[] parms)
[22:46:06] info:    at System.Runtime.InteropServices.JavaScript.JSObject..ctor(String typeName, Object[] _params)
[22:46:06] info:    at System.Runtime.InteropServices.JavaScript.CoreObject..ctor(String typeName, Object[] _params)
[22:46:06] info:    at System.Runtime.InteropServices.JavaScript.SharedArrayBuffer..ctor(Int32 length)
[22:46:06] info:    at System.Runtime.InteropServices.JavaScript.Tests.JavaScriptTests.CoreTypes()
[22:46:06] info:    at System.Reflection.RuntimeMethodInfo.InvokeWorker(Object obj, BindingFlags invokeAttr, Span`1 parameters)

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Issue Details

---

#61937 upgrades chrome used to run the tests, to the latest stable version - 96.0.4664.45:

[22:46:06] fail: [FAIL] System.Runtime.InteropServices.JavaScript.Tests.JavaScriptTests.CoreTypes
[22:46:06] info: System.Runtime.InteropServices.JavaScript.JSException : JavaScript host object 'SharedArrayBuffer' not found.
[22:46:06] info:    at System.Runtime.InteropServices.JavaScript.Runtime.CreateCSOwnedObject(JSObject proxy, String typeName, Object[] parms)
[22:46:06] info:    at System.Runtime.InteropServices.JavaScript.JSObject..ctor(String typeName, Object[] _params)
[22:46:06] info:    at System.Runtime.InteropServices.JavaScript.CoreObject..ctor(String typeName, Object[] _params)
[22:46:06] info:    at System.Runtime.InteropServices.JavaScript.SharedArrayBuffer..ctor(Int32 length)
[22:46:06] info:    at System.Runtime.InteropServices.JavaScript.Tests.JavaScriptTests.CoreTypes()
[22:46:06] info:    at System.Reflection.RuntimeMethodInfo.InvokeWorker(Object obj, BindingFlags invokeAttr, Span`1 parameters)

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Author:	radical
Assignees:	-
Labels:	arch-wasm, area-System.Runtime.InteropServices.JavaScript
Milestone:	-

[radical]

cc @kg @pavelsavara

[radical]

Strangely, this doesn't seem to fail on AOT, or EAT - https://helixre8s23ayyeko0k025g8.blob.core.windows.net/dotnet-runtime-refs-pull-61937-merge-a4bb0d1fb1df4755bf/System.Private.Runtime.InteropServices.JavaScript.Tests/1/console.dfb115ec.log?sv=2019-07-07& .

[kg]

What version of chrome was it previously? They're changing the requirements to access it. https://developer.chrome.com/blog/enabling-shared-array-buffer/

[radical]

We were running with - 84.0.4147.105

[kg]

Then based on that post I linked, this is an expected failure and we need to make policy header changes. I don't know exactly how it works since COEP/COOP/etc headers are a nightmare. It might be as simple as generating the right headers in whatever httpd we use to serve tests.

[pavelsavara]

I can reproduce it locally. I will have look at xharness http server and see if we could set the headers.
Possibly there are few remaining endpoints we touch on Azure for HTTP unit tests in [OuterLoop] I wonder if that's impacted.