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Fix DependencyContext splitting on semi-colon #87518

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merged 3 commits into from
Jun 14, 2023
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Fix DependencyContext splitting on semi-colon #87518

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476cfea
Fix DependencyContext splitting on semi-colon
eerhardt Jun 13, 2023
c6026e3
- Don't cache the semicolon array since it is only used once at startup
eerhardt Jun 13, 2023
e67bb24
Address PR feedback
eerhardt Jun 13, 2023
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4 changes: 2 additions & 2 deletions src/libraries/Microsoft.Extensions.DependencyModel/src/DependencyContextPaths.cs
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Expand Up @@ -12,6 +12,8 @@ internal sealed class DependencyContextPaths
private const string DepsFilesProperty = "APP_CONTEXT_DEPS_FILES";
private const string FxDepsFileProperty = "FX_DEPS_FILE";

private static readonly char[] s_semicolon = new[] { ';' };
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public static DependencyContextPaths Current { get; } = GetCurrent();

public string? Application { get; }
Expand All @@ -20,8 +22,6 @@ internal sealed class DependencyContextPaths

public IEnumerable<string> NonApplicationPaths { get; }

private static readonly char[] s_semicolon = new[] { ';' };

public DependencyContextPaths(
string? application,
string? sharedRuntime,
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12 changes: 12 additions & 0 deletions src/libraries/Microsoft.Extensions.DependencyModel/tests/DependencyContextTests.cs
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Expand Up @@ -276,6 +276,18 @@ public void MergeMergesRuntimeGraph()
Subject.Fallbacks.Should().BeEquivalentTo("win7-x64", "win7-x86");
}

[Fact]
public void DefaultWorksCorrectly()
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@eerhardt this also fails on NativeAOT on runtime-extra-platforms:

Assert.NotNull() Failure

Stack trace
   at Microsoft.Extensions.DependencyModel.Tests.DependencyContextTests.DefaultWorksCorrectly() + 0x76
   at Microsoft.Extensions.DependencyModel.Tests!<BaseAddress>+0x1292ea4
   at System.Reflection.DynamicInvokeInfo.Invoke(Object, IntPtr, Object[], BinderBundle, Boolean) + 0xe6

GetEntryAssembly() does work on NativeAOT though

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Fixing in #87666.

{
// only need to assert the context contains non-null properties.

var context = DependencyContext.Default;
Assert.NotNull(context);
Assert.NotNull(context.RuntimeGraph);
Assert.NotNull(context.RuntimeLibraries);
Assert.NotNull(context.Target);
}

private TargetInfo CreateTargetInfo()
{
return new TargetInfo(
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