Fix tests (#143)

Author: bryankeller

.github/workflows/swift.yml

@@ -8,14 +8,14 @@ on:
 
 jobs:
   build:
-    runs-on: macos-13
+    runs-on: macos-15
     strategy:
       matrix:
         xcode:
-        - '15.0' # Swift 5.9
+        - '18.0' # Swift 6
     steps:
       - uses: actions/checkout@v4
       - name: Build
         run: xcodebuild clean build -scheme MagazineLayout -destination "generic/platform=iOS Simulator"
       - name: Run tests
-        run: xcodebuild clean test -project MagazineLayout.xcodeproj -scheme MagazineLayout -destination "name=iPhone 14,OS=17.2"
+        run: xcodebuild clean test -project MagazineLayout.xcodeproj -scheme MagazineLayout -destination "name=iPhone 16,OS=18.4"

Tests/ModelStateEmptySectionLayoutTests.swift

@@ -17,6 +17,7 @@ import XCTest
 
 @testable import MagazineLayout
 
+@available(iOS 18.0, *)
 final class ModelStateEmptySectionLayoutTests: XCTestCase {
 
   // MARK: Internal

Tests/ModelStateLayoutTests.swift

@@ -17,6 +17,7 @@ import XCTest
 
 @testable import MagazineLayout
 
+@available(iOS 18.0, *)
 final class ModelStateLayoutTests: XCTestCase {
 
   // MARK: Internal

Tests/TestingSupport.swift

@@ -60,6 +60,7 @@ final class ModelHelpers {
 
 // MARK: - FrameHelpers
 
+@available(iOS 18.0, *)
 final class FrameHelpers {
 
   static func expectedFrames(
@@ -187,6 +188,7 @@ final class FrameHelpers {
 
 // MARK: - Remove duplicates
 
+@available(iOS 18.0, *)
 extension Array where Element == CGRect {
 
   func removingDuplicates() -> [Element] {
@@ -205,35 +207,6 @@ extension Array where Element == CGRect {
 
 }
 
-// MARK: Hashable
-
-extension CGRect: Hashable {
-
-  public func hash(into hasher: inout Hasher) {
-    hasher.combine(size)
-    hasher.combine(origin)
-  }
-
-}
-
-extension CGSize: Hashable {
-
-  public func hash(into hasher: inout Hasher) {
-    hasher.combine(height)
-    hasher.combine(width)
-  }
-
-}
-
-extension CGPoint: Hashable {
-
-  public func hash(into hasher: inout Hasher) {
-    hasher.combine(x)
-    hasher.combine(y)
-  }
-
-}
-
 // MARK: - DebugHelpers
 
 final class DebugHelpers {