[wasm] Misc Debugger improvements (including tests) #65752
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Currently, `pending_ops` can get written by different threads at the
same time, and also read in parallel. This causes tests to randomly fail
with:
```
DevToolsProxy::Run: Exception System.ArgumentException: The tasks argument included a null value. (Parameter 'tasks')
at System.Threading.Tasks.Task.WhenAny(Task[] tasks)
at Microsoft.WebAssembly.Diagnostics.DevToolsProxy.Run(Uri browserUri, WebSocket ideSocket) in /_/src/mono/wasm/debugger/BrowserDebugProxy/DevToolsProxy.cs:line 269
```
Instead, we use `Channel<T>` to add the ops, and then read those in
the main loop, and add to the *local* `pending_ops` list.
- controlled by `$(InstallChromeForDebuggerTests)` which defaults to `true` for non-CI docker containers - Useful for using the correct chrome version when testing locally, or on codespaces - Also, add support for detecting, and defaulting to such an installation
`DebuggerTests.EvaluateOnCallFrameTests.EvaluateSimpleMethodCallsError`: dotnet#65744 `DebuggerTests.ArrayTests.InvalidArrayId`: dotnet#65742
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Tagging subscribers to 'arch-wasm': @lewing Issue Details
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ghost
assigned `ConditionalBreakpoint` test fails.
The test with condition=`"null"` failed with a NRE, instead of correctly
handling it as a condition that returns null.
```
Unable evaluate conditional breakpoint: System.Exception: Internal Error: Unable to run (null ),
error: Object reference not set to an instance of an object..
---> System.NullReferenceException: Object reference not set to an instance of an object.
at Microsoft.WebAssembly.Diagnostics.EvaluateExpression.CompileAndRunTheExpression(String expression, MemberReferenceResolver resolver, CancellationToken token) in /workspaces/runtime/src/mono/wasm/debugger/BrowserDebugProxy/EvaluateExpression.cs:line 399
--- End of inner exception stack trace ---
at Microsoft.WebAssembly.Diagnostics.EvaluateExpression.CompileAndRunTheExpression(String expression, MemberReferenceResolver resolver, CancellationToken token) in /workspaces/runtime/src/mono/wasm/debugger/BrowserDebugProxy/EvaluateExpression.cs:line 407
at Microsoft.WebAssembly.Diagnostics.MonoProxy.EvaluateCondition(SessionId sessionId, ExecutionContext context, Frame mono_frame, Breakpoint bp, CancellationToken token) in /workspaces/runtime/src/mono/wasm/debugger/BrowserDebugProxy/MonoProxy.cs:line 801 condition:null
```
.. since we seem to be not catching them as intended in many places.
.. breakpoints. Catch the proper exception `ReturnAsErrorException`, so we can get the actual error message. And log that as an error for the user too.
.. with `--proxy-port=<port>`. Fixes dotnet#65209 .
Essentially, catch, and skip.
radical
changed the title
thaystg
approved these changes
Feb 23, 2022
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/azp run runtime-wasm |
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Azure Pipelines successfully started running 1 pipeline(s). |
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The failing library test (unrelated) is #65796 . |
This was referenced Feb 24, 2022
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The tasks argument included a null value. (Parameter 'tasks')#64588Fixes #65209