changed.项目结构优化

tests/LanMountainDesktop.Tests/FusedDesktopComponentLibraryWindowShellTests.cs

@@ -0,0 +1,91 @@
+using Xunit;
+
+namespace LanMountainDesktop.Tests;
+
+public sealed class FusedDesktopComponentLibraryWindowShellTests
+{
+    [Fact]
+    public void Window_UsesTransparentFullClientArea()
+    {
+        var xaml = ReadRepositoryFile(
+            "desktop",
+            "LanMountainDesktop",
+            "Views",
+            "FusedDesktopComponentLibraryWindow.axaml");
+        var window = ExtractElementStart(xaml, "<Window ");
+
+        Assert.Contains("WindowDecorations=\"None\"", window);
+        Assert.Contains("Background=\"Transparent\"", window);
+        Assert.Contains("TransparencyLevelHint=\"Transparent\"", window);
+        Assert.Contains("ExtendClientAreaToDecorationsHint=\"True\"", window);
+        Assert.Contains("ExtendClientAreaTitleBarHeightHint=\"-1\"", window);
+    }
+
+    [Fact]
+    public void PanelShell_FillsClientAreaWithoutOuterShadowGutter()
+    {
+        var xaml = ReadRepositoryFile(
+            "desktop",
+            "LanMountainDesktop",
+            "Views",
+            "FusedDesktopComponentLibraryWindow.axaml");
+        var panelShell = ExtractElementStart(xaml, "<Border x:Name=\"PanelShell\"");
+
+        Assert.Contains("Classes=\"surface-translucent-strong\"", panelShell);
+        Assert.Contains("HorizontalAlignment=\"Stretch\"", panelShell);
+        Assert.Contains("VerticalAlignment=\"Stretch\"", panelShell);
+        Assert.Contains("Margin=\"0\"", panelShell);
+        Assert.Contains("BoxShadow=\"none\"", panelShell);
+        Assert.Contains("CornerRadius=\"{DynamicResource DesignCornerRadiusLg}\"", panelShell);
+        Assert.Contains("ClipToBounds=\"True\"", panelShell);
+        Assert.DoesNotContain("Margin=\"10\"", panelShell);
+    }
+
+    [Fact]
+    public void Window_DisablesNativeWindowsCornerAndBorderTreatment()
+    {
+        var codeBehind = ReadRepositoryFile(
+            "desktop",
+            "LanMountainDesktop",
+            "Views",
+            "FusedDesktopComponentLibraryWindow.axaml.cs");
+
+        Assert.Contains("Win32Properties.SetWindowCornerPreference(", codeBehind);
+        Assert.Contains("Win32Properties.WindowCornerPreference.DoNotRound", codeBehind);
+        Assert.Contains("DwmWindowAttributeBorderColor = 34", codeBehind);
+        Assert.Contains("DwmColorNone = 0xFFFFFFFE", codeBehind);
+    }
+
+    private static string ExtractElementStart(string source, string startToken)
+    {
+        var start = source.IndexOf(startToken, StringComparison.Ordinal);
+        Assert.True(start >= 0, $"Could not find '{startToken}'.");
+
+        var end = source.IndexOf('>', start);
+        Assert.True(end > start, $"Could not find end of '{startToken}'.");
+
+        return source.Substring(start, end - start + 1);
+    }
+
+    private static string ReadRepositoryFile(params string[] segments)
+    {
+        var directory = new DirectoryInfo(AppContext.BaseDirectory);
+        while (directory is not null)
+        {
+            var candidate = Path.Combine(new[] { directory.FullName }.Concat(segments).ToArray());
+            if (File.Exists(candidate))
+            {
+                return File.ReadAllText(candidate);
+            }
+
+            if (File.Exists(Path.Combine(directory.FullName, "LanMountainDesktop.slnx")))
+            {
+                break;
+            }
+
+            directory = directory.Parent;
+        }
+
+        throw new FileNotFoundException($"Could not locate repository file '{Path.Combine(segments)}'.");
+    }
+}