Bump to Swift 6 compiler for Linux

.github/workflows/ubuntu.yml

@@ -12,11 +12,10 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        swift_version: ["5.10"]
+        swift_version: ["6.0"]
     runs-on: ubuntu-22.04
     env:
       OPENGRAPH_WERROR: 1
-      OPENGRAPH_SWIFT_TESTING: 1
       OPENGRAPH_ATTRIBUTEGRAPH: 0
       OPENGRAPH_COMPATIBILITY_TEST: 0
     container: swift:${{ matrix.swift_version }}-jammy

.github/workflows/wasm.yml

@@ -12,12 +12,14 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        swift_version: ["5.10.0-RELEASE"]
+        swift_version: ["5.10.0-RELEASE", "6.0-SNAPSHOT-2024-09-18-a"]
         os: [ubuntu-22.04]
+        include:
+          - swift_version: "6.0-SNAPSHOT-2024-09-18-a"
+            continue-on-error: true
     runs-on: ${{ matrix.os }}
     env:
       OPENGRAPH_WERROR: 1
-      OPENGRAPH_SWIFT_TESTING: 0
       OPENGRAPH_ATTRIBUTEGRAPH: 0
       OPENGRAPH_COMPATIBILITY_TEST: 0
     steps:
@@ -26,9 +28,9 @@ jobs:
         with:
           swift-version: wasm-${{ matrix.swift_version }}
       - name: build
+        continue-on-error: ${{ matrix.continue-on-error }}
         run: |
           swift build --triple wasm32-unknown-wasi
-      # Blocked by upstream support for WASM. See https://github.com/apple/swift-testing/issues/228
       # - name: test
-        # run: |
-          # swift test --triple wasm32-unknown-wasi
+      #   run: |
+      #     swift test --triple wasm32-unknown-wasi

Package.swift

@@ -60,10 +60,10 @@ let openGraphCompatibilityTestTarget = Target.testTarget(
     swiftSettings: sharedSwiftSettings
 )
 
-let swiftBinPath = Context.environment["_"] ?? ""
+let swiftBinPath = Context.environment["_"] ?? "/usr/bin/swift"
 let swiftBinURL = URL(fileURLWithPath: swiftBinPath)
 let SDKPath = swiftBinURL.deletingLastPathComponent().deletingLastPathComponent().deletingLastPathComponent().path
-let includePath = SDKPath.appending("/usr/lib/swift_static")
+let includePath = SDKPath.appending("/usr/lib/swift")
 
 let package = Package(
     name: "OpenGraph",

Package@swift-5.10.swift

@@ -55,7 +55,7 @@ let openGraphCompatibilityTestTarget = Target.testTarget(
     swiftSettings: sharedSwiftSettings
 )
 
-let swiftBinPath = Context.environment["_"] ?? ""
+let swiftBinPath = Context.environment["_"] ?? "/usr/bin/swift"
 let swiftBinURL = URL(fileURLWithPath: swiftBinPath)
 let SDKPath = swiftBinURL.deletingLastPathComponent().deletingLastPathComponent().deletingLastPathComponent().path
 let includePath = SDKPath.appending("/usr/lib/swift_static")

Plugins/UpdateModule/UpdateModuleCommand.swift

@@ -10,21 +10,12 @@ import Foundation
 @main
 struct UpdateModuleCommand: CommandPlugin {
     func performCommand(context: PackagePlugin.PluginContext, arguments: [String]) async throws {
+        #if compiler(>=6.0) // Skip build on WASI 5.10
         let process = Process()
-        #if os(macOS)
-        let path: String = try context.tool(named: "zsh").url.path()
-        let url: URL? = if #available(macOS 14, *) {
-            URL(filePath: path)
-        } else {
-            URL(string: "file://\(path)")
-        }
-        #else
-        let path = try context.tool(named: "zsh").path.string
-        let url = URL(string: "file://\(path)")
-        #endif
-        process.executableURL = url
+        process.executableURL = try context.tool(named: "zsh").url
         process.arguments = ["AG/update.sh"]
         try process.run()
         process.waitUntilExit()
+        #endif
     }
 }

Scripts/build.sh

@@ -9,5 +9,4 @@ OPENGRAPH_ROOT="$(dirname $(dirname $(filepath $0)))"
 
 cd $OPENGRAPH_ROOT
 
-export OPENGRAPH_SWIFT_TESTING=0
 swift build

Scripts/og_swiftinterface.sh

@@ -9,5 +9,4 @@ OG_ROOT="$(dirname $(dirname $(filepath $0)))"
 
 cd $OG_ROOT
 
-export OPENGRAPH_SWIFT_TESTING=0
 swift build -Xswiftc -emit-module-interface -Xswiftc -enable-library-evolution

Tests/OpenGraphCompatibilityTests/Attribute/Attribute/PointerOffsetTests.swift

@@ -42,7 +42,6 @@ struct PointerOffsetTests {
         #expect(invalidPointer == UnsafeMutablePointer(bitPattern: stride))
     }
 
-    #if compiler(>=6.0)
     @Test(.bug("https://github.com/OpenSwiftUIProject/OpenGraph/issues/70", id: 70, "Verify fix of #70"))
     func ofAndOffset() {
         struct Empty {
@@ -79,7 +78,6 @@ struct PointerOffsetTests {
             .of(&invalid.third)
         }
     }
-    #endif
 
     @Test("Extension API between UnsafePointer/UnsafeMutablePointer and PointerOffset")
     func unsafePointerAndUnsafeMutablePointerExtension() {
@@ -147,7 +145,6 @@ struct PointerOffsetTests {
                 #expect((pointer + secondOffset).pointee == 4)
                 #expect((pointer + thirdOffset).pointee == 5)
             }
-            #if !(!canImport(Darwin) && !DEBUG)
             withUnsafePointer(to: triple) { pointer in
                 #expect((pointer + firstOffset).pointee == 3)
                 #expect((pointer + secondOffset).pointee == 4)
@@ -156,31 +153,6 @@ struct PointerOffsetTests {
             #expect(triple.first == 3)
             #expect(triple.second == 4)
             #expect(triple.third == 5)
-            #endif
-        }
-    }
-
-    #if !canImport(Darwin) && !DEBUG
-    @Test("Undefined Behavior Issue for PointerOffset", .bug("#73", relationship: .uncoveredBug))
-    func unsafePointerAndUnsafeMutablePointerExtensionUB() {
-        var tuple = Tuple(first: 1, second: 2)
-        typealias Base = Tuple<Int, Int>
-        let firstOffset = PointerOffset<Base, Int>(byteOffset: 0)
-        withUnsafeMutablePointer(to: &tuple) { pointer in
-            #expect(pointer[offset: firstOffset] == 1)
-            pointer[offset: firstOffset] = 3
-        }
-        let unexpectedValue = tuple.first
-        // The value will be unexpected due to UB
-        #expect(unexpectedValue == 1)
-        // The value will be expected after and within a withKnownIssue block
-        withKnownIssue {
-            let expectedValue = tuple.first
-            #expect(expectedValue == 3)
-            Issue.record("To make withKnownIssue pass")
         }
-        let expectedValue = tuple.first
-        #expect(expectedValue == 3)
     }
-    #endif
 }