Add benchmark testing (#143)

* Add benchmark test project

* Implement basic benchmark testing

* Run on CI

* Gardening

* Add more stressed benchmark

* Add Benchmarks dir to the formatter target

Author: ra1028

.github/workflows/test.yml

@@ -39,6 +39,14 @@ jobs:
       - name: Test example iOS
         run: scripts/test.sh example-ios ios
 
+  benchmark:
+    name: Benchmark
+    runs-on: macos-13
+    steps:
+      - uses: actions/checkout@v4
+      - name: Run benchmark test
+        run: scripts/test.sh benchmark ios
+
   validation:
     name: Validation
     runs-on: macos-13

Benchmarks/App/Info-iOS.plist

@@ -0,0 +1,32 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>$(DEVELOPMENT_LANGUAGE)</string>
+	<key>CFBundleDisplayName</key>
+	<string>Benchmarks</string>
+	<key>CFBundleExecutable</key>
+	<string>$(EXECUTABLE_NAME)</string>
+	<key>CFBundleIdentifier</key>
+	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>$(PRODUCT_NAME)</string>
+	<key>CFBundlePackageType</key>
+	<string>APPL</string>
+	<key>CFBundleShortVersionString</key>
+	<string>1.0</string>
+	<key>CFBundleVersion</key>
+	<string>1</string>
+	<key>UILaunchScreen</key>
+	<string></string>
+	<key>UIRequiresFullScreen</key>
+	<true/>
+	<key>UISupportedInterfaceOrientations</key>
+	<array>
+		<string>UIInterfaceOrientationPortrait</string>
+	</array>
+</dict>
+</plist>

Benchmarks/App/iOS.swift

@@ -0,0 +1,8 @@
+import SwiftUI
+
+@main
+struct TestHostApp {
+    static func main() {
+        _TestApp().run()
+    }
+}