[tests] verify trimmer warnings where appropriate #9076
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jonathanpeppers
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Jul 2, 2024
src/Xamarin.Android.Build.Tasks/Tests/Xamarin.Android.Build.Tests/BuildTest2.cs
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@jonathanpeppers I repeated your test setup with a Here is the overview of the expected behaviour and property values (verified by inspecting binlogs and order of evaluation): Case: TrimMode=full, debug
Case: TrimMode=full, release
SuppressTrimAnalysisWarnings=false, debug
SuppressTrimAnalysisWarnings=false, release
IsAotCompatible=true, debug
IsAotCompatible=true, release
ConclusionThe added test in this PR does not seem to have correct expected values, please take a look at my notes above, and let me know if you have any questions. More importantly, the good news is, that the change in |
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One change we need in the Android workload is to make sure that
trimmer warnings are displayed if a project sets `$(IsAotCompatible)`.
Customers would likely want this set for all platforms if they are
using NativeAOT on iOS or MacCatalyst.
I also wrote a test with somewhat complicated parameters to verify
we get warnings.
First, I can create a warning for both `IL2055` and `IL3050`:
// Member field
Type type = typeof (List<>);
// ...
// Later in OnCreate
Console.WriteLine (type.MakeGenericType (typeof (object)));
The combinations of tests are:
| Configuration | Property | Warning(s) |
| ------------- | ---------------------------------- | ----------------- |
| Debug | (defaults) | None |
| Release | (defaults) | None |
| Debug | TrimMode=full | None |
| Release | TrimMode=full | IL2055(2) |
| Release | SuppressTrimAnalysisWarnings=false | IL2055(2) |
| Debug | IsAotCompatible=true | IL2055, IL3050 |
| Release | IsAotCompatible=false | IL2055(2), IL3050 |
Some of the cases receive duplicate warnings, but this is expected as
the same behavior occurs in the simplest case:
* `dotnet new console`
* Add the above code to `Program.cs`
* `dotnet publish -c Release -r win-x64 -p:PublishAot=true`
* Receive warnings from both the Roslyn analyzer and ILC (NativeAOT compiler)
In a future PR, I might try to "fix" the duplicate warnings.
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dellis1972
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* main: [tests] verify trimmer warnings where appropriate (#9076) Bump to jbevain/cecil@8c123e1 (#9078) [trimming] remove `$(NullabilityInfoContextSupport)` (#9069) [build] Bump `$(XABuildToolsVersion)`=35 (#9071) [ci] Move PR build to shared pool (#8854) Use AsyncTask from xamarin-android-tools (#9017) Bump to dotnet/sdk@02c06d398a 9.0.100-preview.7.24351.1 (#9067) [trimming] use public `$(MetricsSupport)` property (#9068) [ci] Update resourceManagement.yml (#9070) Bump to dotnet/android-api-docs@c14203771a (#8992) [trimming] remove `$(_AggressiveAttributeTrimming)` by default (#9062)
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One change we need in the Android workload is to make sure that
trimmer warnings are displayed if a project sets
$(IsAotCompatible).Customers would likely want this set for all platforms if they are
using NativeAOT on iOS or MacCatalyst.
I also wrote a test with somewhat complicated parameters to verify
we get warnings.
First, I can create a warning for both
IL2055andIL3050:The combinations of tests are:
Some of the cases receive duplicate warnings, but this is expected as
the same behavior occurs in the simplest case:
dotnet new consoleProgram.csdotnet publish -c Release -r win-x64 -p:PublishAot=trueIn a future PR, I might try to "fix" the duplicate warnings.