From a4af5d51e8fbb8a0e53f98aa9f9e238536aaba24 Mon Sep 17 00:00:00 2001
From: Ariver <shanghai3168@gmail.com>
Date: Fri, 12 Jun 2026 21:08:39 +0800
Subject: [PATCH] Render split view spaces with ordered app halves

---
 C1.source/Tests/AlignerCoreTests/AlignerCoreTests.swift |   81 ++++++++++++++++++++++++++++++++++++++++
 1 files changed, 81 insertions(+), 0 deletions(-)

diff --git a/C1.source/Tests/AlignerCoreTests/AlignerCoreTests.swift b/C1.source/Tests/AlignerCoreTests/AlignerCoreTests.swift
index 3c1be22..b83efb7 100644
--- a/C1.source/Tests/AlignerCoreTests/AlignerCoreTests.swift
+++ b/C1.source/Tests/AlignerCoreTests/AlignerCoreTests.swift
@@ -1441,6 +1441,87 @@
         XCTAssertNil(QuickSwitchSpaceFilterPolicy.singleFullscreenSelection(inSpaceID: 12, viewModel: viewModel))
     }
 
+    func testQuickSwitchViewModelOrdersSplitViewAppNamesByWindowFrame() {
+        let leftApp = AlignerApp(bundleIdentifier: "com.example.Left", name: "Left App", category: .generic)
+        let rightApp = AlignerApp(bundleIdentifier: "com.example.Right", name: "Right App", category: .generic)
+        let displayUUID = "display-a"
+        let snapshot = QuickSwitchSnapshotBuilder.snapshot(
+            displays: [
+                AlignerDisplay(
+                    uuid: displayUUID,
+                    physical: true,
+                    spaces: [
+                        AlignerSpace(id: 20, type: .fullscreen, displayUUID: displayUUID, index: 1)
+                    ]
+                )
+            ],
+            windows: [
+                AlignerWindow(
+                    id: 2,
+                    app: rightApp,
+                    title: "Right",
+                    isFullscreen: true,
+                    frame: CGRect(x: 960, y: 0, width: 960, height: 1080),
+                    spaceIDs: [20]
+                ),
+                AlignerWindow(
+                    id: 1,
+                    app: leftApp,
+                    title: "Left",
+                    isFullscreen: true,
+                    frame: CGRect(x: 0, y: 0, width: 960, height: 1080),
+                    spaceIDs: [20]
+                )
+            ]
+        )
+
+        let viewModel = QuickSwitchViewModelBuilder.viewModel(from: snapshot)
+        let space = viewModel.displays.single?.spaces.single
+
+        XCTAssertEqual(space?.splitViewAppNames, ["Left App", "Right App"])
+        XCTAssertEqual(space?.appNames, ["Left App", "Right App"])
+    }
+
+    func testQuickSwitchViewModelKeepsDuplicateAppNamesForSameAppSplitView() {
+        let finder = AlignerApp(bundleIdentifier: "com.apple.finder", name: "访达", category: .finder)
+        let displayUUID = "display-a"
+        let snapshot = QuickSwitchSnapshotBuilder.snapshot(
+            displays: [
+                AlignerDisplay(
+                    uuid: displayUUID,
+                    physical: true,
+                    spaces: [
+                        AlignerSpace(id: 21, type: .fullscreen, displayUUID: displayUUID, index: 1)
+                    ]
+                )
+            ],
+            windows: [
+                AlignerWindow(
+                    id: 12,
+                    app: finder,
+                    title: "右侧访达",
+                    isFullscreen: true,
+                    frame: CGRect(x: 900, y: 0, width: 900, height: 1000),
+                    spaceIDs: [21]
+                ),
+                AlignerWindow(
+                    id: 11,
+                    app: finder,
+                    title: "左侧访达",
+                    isFullscreen: true,
+                    frame: CGRect(x: 0, y: 0, width: 900, height: 1000),
+                    spaceIDs: [21]
+                )
+            ]
+        )
+
+        let viewModel = QuickSwitchViewModelBuilder.viewModel(from: snapshot)
+        let space = viewModel.displays.single?.spaces.single
+
+        XCTAssertEqual(space?.splitViewAppNames, ["访达", "访达"])
+        XCTAssertEqual(space?.appNames, ["访达"])
+    }
+
     func testQuickSwitchFocusPolicySelectsFirstStableWindowInitially() {
         let app = makeApp()
         let snapshot = QuickSwitchSnapshotBuilder.snapshot(

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