[wasm][debugger] Implementing support to Debugger::Break.

[thaystg]

Fixes #44210

[ghost]

Tagging subscribers to this area: @thaystg
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[lewing]

Browser failure looks like #44214 so I don't think the new skipping method worked either. Maybe the attribute needs to be on the concrete class? Interesting that does pass sometimes, it would probably pass all the time if it skipped the sync version of the tests.

https://dev.azure.com/dnceng/public/_build/results?buildId=876685&view=logs&j=108d2c4a-8a62-5a58-8dad-8e1042acc93c&s=d654deb9-056d-50a2-1717-90c08683d50a&t=09a92b4c-3493-52a9-1172-0680b62c9e30&l=94

[16:57:36] info: MONO_WASM: Initializing mono runtime
[16:57:36] info: MONO_WASM: ICU data archive(s) loaded, disabling invariant mode
[16:57:36] info: mono_wasm_runtime_ready
[16:57:36] info: Initializing.....
[16:57:36] info: Discovering: System.IO.FileSystem.Tests.dll (method display = ClassAndMethod, method display options = None)
[16:57:39] info: Discovered:  System.IO.FileSystem.Tests.dll (found 2623 of 3305 test cases)
[16:57:39] info: Starting:    System.IO.FileSystem.Tests.dll
[16:57:51] fail: [FAIL] System.IO.Tests.UnbufferedAsyncFileStreamStandaloneConformanceTests.Read_PartiallySatisfied_RemainderOfBufferUntouched(mode: SyncSpan)
[16:57:51] info: System.PlatformNotSupportedException : Cannot wait on monitors on this runtime.
[16:57:51] info:    at System.Threading.Monitor.ObjWait(Int32 millisecondsTimeout, Object obj)
[16:57:51] info:    at System.Threading.Monitor.Wait(Object obj, Int32 millisecondsTimeout)
[16:57:51] info:    at System.Threading.ManualResetEventSlim.Wait(Int32 millisecondsTimeout, CancellationToken cancellationToken)
[16:57:51] info:    at System.Threading.Tasks.Task.SpinThenBlockingWait(Int32 millisecondsTimeout, CancellationToken cancellationToken)
[16:57:51] info:    at System.Threading.Tasks.Task.InternalWaitCore(Int32 millisecondsTimeout, CancellationToken cancellationToken)
[16:57:51] info:    at System.Threading.Tasks.Task.InternalWait(Int32 millisecondsTimeout, CancellationToken cancellationToken)
[16:57:51] info:    at System.IO.FileStream.Read(Byte[] buffer, Int32 offset, Int32 count)
[16:57:51] info:    at System.IO.Stream.Read(Span`1 buffer)
[16:57:51] info:    at System.IO.FileStream.Read(Span`1 buffer)
[16:57:51] info:    at System.IO.Tests.StreamConformanceTests.ReadAsync(ReadWriteMode mode, Stream stream, Byte[] buffer, Int32 offset, Int32 count, CancellationToken cancellationToken)
[16:57:51] info:    at System.IO.Tests.StandaloneStreamConformanceTests.Read_PartiallySatisfied_RemainderOfBufferUntouched(ReadWriteMode mode)
[16:57:51] info: --- End of stack trace from previous location ---
[16:57:51] fail: [FAIL] System.IO.Tests.UnbufferedAsyncFileStreamStandaloneConformanceTests.Read_PartiallySatisfied_RemainderOfBufferUntouched(mode: SyncArray)
[16:57:51] info: System.PlatformNotSupportedException : Cannot wait on monitors on this runtime.
[16:57:51] info:    at System.Threading.Monitor.ObjWait(Int32 millisecondsTimeout, Object obj)
[16:57:51] info:    at System.Threading.Monitor.Wait(Object obj, Int32 millisecondsTimeout)
[16:57:51] info:    at System.Threading.ManualResetEventSlim.Wait(Int32 millisecondsTimeout, CancellationToken cancellationToken)
[16:57:51] info:    at System.Threading.Tasks.Task.SpinThenBlockingWait(Int32 millisecondsTimeout, CancellationToken cancellationToken)
[16:57:51] info:    at System.Threading.Tasks.Task.InternalWaitCore(Int32 millisecondsTimeout, CancellationToken cancellationToken)
[16:57:51] info:    at System.Threading.Tasks.Task.InternalWait(Int32 millisecondsTimeout, CancellationToken cancellationToken)
[16:57:51] info:    at System.IO.FileStream.Read(Byte[] buffer, Int32 offset, Int32 count)
[16:57:51] info:    at System.IO.Tests.StreamConformanceTests.ReadAsync(ReadWriteMode mode, Stream stream, Byte[] buffer, Int32 offset, Int32 count, CancellationToken cancellationToken)
[16:57:51] info:    at System.IO.Tests.StandaloneStreamConformanceTests.Read_PartiallySatisfied_RemainderOfBufferUntouched(ReadWriteMode mode)
[16:57:51] info: --- End of stack trace from previous location ---
[16:58:46] info: )
[16:58:46] info: fo_Directory.AltSeparatorCharInPath
[16:58:46] info: em.IO.Tests.Directory_EnumFiles_str_str_so.UnixSearchPatternFileValidChar(valid: "\n")
[16:58:46] info: nTests_DosDotQm(pattern: "foo.???.?.?.?", sourceFiles: ["foo", "foo.t", "foo.tx", "foo.txt", "bar.txt", ...], expected: ["foo", "foo.t", "foo.tx", "foo.txt"])
[16:58:46] info: foo.??", sourceFiles: ["foo", "foo.", "foo.t", "foo.tx", "foo.txt", ...], expected: ["foo", "foo.", "foo.t", "foo.tx"])
[16:58:46] info: le
[16:58:47] info: Finished:    System.IO.FileSystem.Tests.dll
[16:58:47] info: 
[16:58:47] info: === TEST EXECUTION SUMMARY ===
[16:58:47] info: Total: 4763, Errors: 0, Failed: 2, Skipped: 80, Time: 67.10568s
[16:58:47] info: 
[16:58:47] info: WASM EXIT 1

cc @stephentoub

[lewing]

@akoeplinger any idea what is going on with the corrupt text at the end of that failure? You can see a slightly different version on #44214 as well

[akoeplinger]

Hm no, that's weird. It looks like it's only happening on browser, but not v8 runs. So maybe the message processor we have there is cutting something off?

[lewing]

/backport to release/5.0

[github-actions]

Started backporting to release/5.0: https://github.com/dotnet/runtime/actions/runs/375284427

[github-actions]

@lewing backporting to release/5.0 failed, the patch most likely resulted in conflicts:

$ git am --3way --ignore-whitespace --keep-non-patch changes.patch

Applying: Implementing support to Debugger::Break.
error: sha1 information is lacking or useless (src/mono/mono/mini/mini-wasm-debugger.c).
error: could not build fake ancestor
hint: Use 'git am --show-current-patch=diff' to see the failed patch
Patch failed at 0001 Implementing support to Debugger::Break.
When you have resolved this problem, run "git am --continue".
If you prefer to skip this patch, run "git am --skip" instead.
To restore the original branch and stop patching, run "git am --abort".
Error: The process '/usr/bin/git' failed with exit code 128

Please backport manually!