Update swift version and CI

.github/workflows/ci.yml

@@ -3,16 +3,24 @@ name: CI
 on:
   push:
     branches:
-      - main
+      - '*'
   pull_request:
     branches:
-      - '**'
+      - main
+
+env:
+  DEVELOPER_DIR: /Applications/Xcode_15.0.app/Contents/Developer
 
 jobs:
   test:
     name: Test
-    runs-on: macOS-latest
+    runs-on: macOS-13
+    strategy:
+      matrix:
+        destination:
+          - "platform=macOS"
+
     steps:
-      - uses: actions/checkout@v2
-      - name: swift test
-        run: swift test
+      - uses: actions/checkout@v3
+      - name: Test platform ${{ matrix.destination }}
+        run: set -o pipefail && xcodebuild -scheme TextViewPlus -destination "${{ matrix.destination }}" test | xcpretty

Package.swift

@@ -1,18 +1,22 @@
-// swift-tools-version:5.0
+// swift-tools-version: 5.8
 
 import PackageDescription
 
+let settings: [SwiftSetting] = [
+	.enableExperimentalFeature("StrictConcurrency")
+]
+
 let package = Package(
-    name: "TextViewPlus",
-    platforms: [.macOS(.v10_12)],
-    products: [
-        .library(name: "TextViewPlus", targets: ["TextViewPlus"]),
-    ],
-    dependencies: [
-        .package(url: "https://github.com/ChimeHQ/Rearrange", from: "1.4.0"),
-    ],
-    targets: [
-        .target(name: "TextViewPlus", dependencies: ["Rearrange"]),
-        .testTarget(name: "TextViewPlusTests", dependencies: ["TextViewPlus"]),
-    ]
+	name: "TextViewPlus",
+	platforms: [.macOS(.v10_13)],
+	products: [
+		.library(name: "TextViewPlus", targets: ["TextViewPlus"]),
+	],
+	dependencies: [
+		.package(url: "https://github.com/ChimeHQ/Rearrange", from: "1.4.0"),
+	],
+	targets: [
+		.target(name: "TextViewPlus", dependencies: ["Rearrange"], swiftSettings: settings),
+		.testTarget(name: "TextViewPlusTests", dependencies: ["TextViewPlus"], swiftSettings: settings),
+	]
 )

Tests/TextViewPlusTests/TestableTextView.swift

@@ -1,13 +1,4 @@
-//
-//  TestableTextView.swift
-//  TextViewPlusTests
-//
-//  Created by Matt Massicotte on 2020-01-03.
-//  Copyright © 2020 ChimeHq. All rights reserved.
-//
-
-import Foundation
-import class AppKit.NSTextView
+import AppKit
 
 class TestableTextView: NSTextView {
     var settableUndoManager = UndoManager()

Tests/TextViewPlusTests/TextViewPlusTests.swift

@@ -1,15 +1,8 @@
-//
-//  TextViewPlusTests.swift
-//  TextViewPlusTests
-//
-//  Created by Matt Massicotte on 2020-01-03.
-//  Copyright © 2020 ChimeHq. All rights reserved.
-//
-
 import XCTest
 @testable import TextViewPlus
 
-class TextViewPlusTests: XCTestCase {
+@MainActor
+final class TextViewPlusTests: XCTestCase {
     func testProgrammaticModificationOfAttributedString() {
         let textView = TestableTextView(string: "abc")