0.5.20

我认为很稳定了，后面就要开始弄插件不稳定了

LanMountainDesktop.Tests/UiExceptionGuardTests.cs

@@ -0,0 +1,43 @@
+using System;
+using System.Threading.Tasks;
+using LanMountainDesktop.Services;
+using Xunit;
+
+namespace LanMountainDesktop.Tests;
+
+public sealed class UiExceptionGuardTests
+{
+    [Fact]
+    public async Task RunGuardedUiActionAsync_SwallowsNonFatalException_AndInvokesHandler()
+    {
+        var handlerCalled = false;
+
+        await UiExceptionGuard.RunGuardedUiActionAsync(
+            () => throw new InvalidOperationException("boom"),
+            "UnitTest.NonFatal",
+            onHandledException: ex =>
+            {
+                handlerCalled = ex is InvalidOperationException;
+                return Task.CompletedTask;
+            });
+
+        Assert.True(handlerCalled);
+    }
+
+    [Fact]
+    public async Task RunGuardedUiActionAsync_RethrowsFatalException()
+    {
+        await Assert.ThrowsAsync<OutOfMemoryException>(() =>
+            UiExceptionGuard.RunGuardedUiActionAsync(
+                () => throw new OutOfMemoryException("fatal"),
+                "UnitTest.Fatal"));
+    }
+
+    [Fact]
+    public void IsFatalException_ReturnsExpectedClassification()
+    {
+        Assert.True(UiExceptionGuard.IsFatalException(new OutOfMemoryException()));
+        Assert.True(UiExceptionGuard.IsFatalException(new AccessViolationException()));
+        Assert.False(UiExceptionGuard.IsFatalException(new InvalidOperationException()));
+    }
+}