fix: 固定首页常用应用图标尺寸

suixinkanTests/HomeMenuIconFactoryTests.swift

@@ -14,27 +14,25 @@ final class HomeMenuIconFactoryTests: XCTestCase {
         let image = HomeMenuIconFactory.image(named: "home_menu_space")
 
         XCTAssertNotNil(image)
+        XCTAssertEqual(image?.size, HomeMenuIconFactory.canvasSize)
         XCTAssertNil(UIImage(systemName: "home_menu_space"))
     }
 
-    func testSystemSymbolMatchesSharedConfiguration() {
-        let expected = UIImage(
-            systemName: "ellipsis",
-            withConfiguration: HomeMenuIconFactory.symbolConfiguration
-        )
-        let actual = HomeMenuIconFactory.image(named: "ellipsis")
+    func testSystemSymbolsUseFixedCanvas() {
+        let iconNames = [
+            "ellipsis",
+            "dot.radiowaves.left.and.right",
+            "rectangle.stack.badge.plus",
+        ]
 
-        XCTAssertNotNil(actual)
-        XCTAssertEqual(actual?.size, expected?.size)
-    }
+        for iconName in iconNames {
+            let image = HomeMenuIconFactory.image(named: iconName)
 
-    func testSystemSymbolDiffersFromUnconfiguredDefault() {
-        let configured = HomeMenuIconFactory.image(named: "ellipsis")
-        let plain = UIImage(systemName: "ellipsis")
-
-        XCTAssertNotNil(configured)
-        XCTAssertNotNil(plain)
-        XCTAssertNotEqual(configured?.size, plain?.size)
+            XCTAssertNotNil(image)
+            XCTAssertEqual(image?.size, HomeMenuIconFactory.canvasSize)
+            XCTAssertEqual(image?.renderingMode, .alwaysTemplate)
+            XCTAssertFalse(image?.isSymbolImage ?? true)
+        }
     }
 
     func testComplexSystemSymbolResolves() {
@@ -42,3 +40,41 @@ final class HomeMenuIconFactoryTests: XCTestCase {
         XCTAssertNotNil(HomeMenuIconFactory.image(named: "rectangle.stack.badge.plus"))
     }
 }
+
+/// 首页常用应用 cell 的图标布局与复用测试。
+@MainActor
+final class HomeMenuCellTests: XCTestCase {
+
+    func testIconKeepsFixedSizeWhenReusedAtIPhoneXWidth() throws {
+        let cell = HomeMenuCell(frame: CGRect(x: 0, y: 0, width: 109, height: 109))
+        let menus = [
+            HomeMenuItem(uri: "space", title: "空间设置", iconName: "home_menu_space"),
+            HomeMenuItem(uri: "live", title: "直播管理", iconName: "dot.radiowaves.left.and.right"),
+            HomeMenuItem(uri: "more", title: "更多功能", iconName: "ellipsis"),
+        ]
+
+        for menu in menus {
+            cell.prepareForReuse()
+            cell.apply(menu: menu)
+            cell.setNeedsLayout()
+            cell.layoutIfNeeded()
+
+            let iconView = try XCTUnwrap(findImageView(in: cell, identifier: menu.iconName))
+            XCTAssertEqual(iconView.bounds.size, CGSize(width: 24, height: 24))
+            XCTAssertEqual(iconView.superview?.bounds.size, CGSize(width: 40, height: 40))
+            XCTAssertEqual(iconView.image?.size, HomeMenuIconFactory.canvasSize)
+            XCTAssertEqual(iconView.contentMode, .center)
+            XCTAssertNil(iconView.preferredSymbolConfiguration)
+        }
+    }
+
+    private func findImageView(in view: UIView, identifier: String) -> UIImageView? {
+        if let imageView = view as? UIImageView,
+           imageView.accessibilityIdentifier == identifier {
+            return imageView
+        }
+        return view.subviews.lazy.compactMap {
+            self.findImageView(in: $0, identifier: identifier)
+        }.first
+    }
+}