Add _BenchmarkHost and _PerformanceTest

Sources/OpenSwiftUI/AppStructure/AppOrganization/TODO/AppDelegate.swift

@@ -7,9 +7,20 @@
 //  Status: WIP
 //  ID: 4475FD12FD59DEBA453321BD91F6EA04
 
-#if os(iOS) || os(tvOS)
+#if os(iOS)
 import UIKit
-class AppDelegate: UIResponder {
+typealias DelegateBaseClass = UIResponder
+#elseif os(macOS)
+import AppKit
+typealias DelegateBaseClass = NSResponder
+#else
+import Foundation
+// FIXME: Temporarily use NSObject as a placeholder
+typealias DelegateBaseClass = NSObject
+#endif
+
+class AppDelegate: DelegateBaseClass {
+    #if os(iOS)
     var fallbackDelegate: UIApplicationDelegate?
 
     // WIP
@@ -26,14 +37,5 @@ class AppDelegate: UIResponder {
         let canSelfRespond = AppDelegate.instancesRespond(to: aSelector)
         return canDelegateRespond || canSelfRespond
     }
+    #endif
 }
-#elseif os(watchOS)
-import WatchKit
-class AppDelegate {
-
-}
-#elseif os(macOS)
-import AppKit
-class AppDelegate {
-}
-#endif

Sources/OpenSwiftUI/Test/TestingAppDelegate.swift

@@ -0,0 +1,13 @@
+#if os(iOS)
+import UIKit
+#elseif os(macOS)
+import AppKit
+#endif
+
+class TestingAppDelegate: DelegateBaseClass {
+    static var performanceTests: [_PerformanceTest]?
+
+    #if os(iOS)
+    static var connectCallback: ((UIWindow) -> Void)?
+    #endif
+}

Sources/OpenSwiftUI/Test/_Benchmark.swift

@@ -0,0 +1,10 @@
+public protocol _Benchmark: _Test {
+    func measure(host: _BenchmarkHost) -> [Double]
+}
+
+extension _TestApp {
+    public func runBenchmarks(_ benchmarks: [_Benchmark]) -> Never {
+        let _ = RootView()
+        fatalError("TODO")
+    }
+}

Sources/OpenSwiftUI/Test/_PerformanceTest.swift

@@ -0,0 +1,58 @@
+//
+//  _PerformanceTest.swift
+//  OpenSwiftUI
+//
+//  Created by Kyle on 2023/1/9.
+//  Lastest Version: iOS 15.5
+//  Status: WIP
+
+#if os(iOS)
+import UIKit
+#elseif os(macOS)
+import AppKit
+#endif
+
+internal import OpenSwiftUIShims
+
+public protocol _PerformanceTest: _Test {
+    var name: String { get }
+    func runTest(host: _BenchmarkHost, options: [AnyHashable: Any])
+}
+
+extension __App {
+    public static func _registerPerformanceTests(_ tests: [_PerformanceTest]) {
+        TestingAppDelegate.performanceTests = tests
+    }
+}
+
+extension _TestApp {
+    public func runPerformanceTests(_ tests: [_PerformanceTest]) -> Never {
+        fatalError("TODO")
+    }
+}
+
+extension _BenchmarkHost {
+    public func _started(test: _PerformanceTest) {
+        #if os(iOS)
+        UIApplication.shared.startedTest(test.name)
+        #else
+        fatalError("TODO")
+        #endif
+    }
+
+    public func _finished(test: _PerformanceTest) {
+        #if os(iOS)
+        UIApplication.shared.finishedTest(test.name)
+        #else
+        fatalError("TODO")
+        #endif
+    }
+
+    public func _failed(test: _PerformanceTest) {
+        #if os(iOS)
+        UIApplication.shared.failedTest(test.name, withFailure: nil)
+        #else
+        fatalError("TODO")
+        #endif
+    }
+}

Sources/OpenSwiftUIShims/include/OpenSwiftUI_SPI.h

@@ -0,0 +1,22 @@
+//
+//  OpenSwiftUI_SPI.h
+//
+//
+//  Created by Kyle on 2024/1/9.
+//
+
+#ifndef OpenSwiftUI_SPI_h
+#define OpenSwiftUI_SPI_h
+
+#if __has_include(<UIKit/UIKit.h>)
+#import <UIKit/UIKit.h>
+@interface UIApplication (OpenSwiftUI_SPI)
+- (void)startedTest:(nullable NSString *)name;
+- (void)finishedTest:(nullable NSString *)name;
+- (void)failedTest:(nullable NSString *)name withFailure:(nullable NSError*)failure;
+@end
+#else
+
+#endif
+
+#endif /* OpenSwiftUI_SPI_h */