Create actions

.github/dependabot.yml

@@ -0,0 +1,11 @@
+version: 2
+updates:
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    groups:
+      github-actions:
+        patterns: ["*"]
+    schedule:
+      interval: "weekly"
+    cooldown:
+      default-days: 7

.github/workflows/product.yml

@@ -0,0 +1,162 @@
+name: CsWinRT build
+
+on:
+  pull_request:
+  workflow_dispatch:
+    inputs:
+      unit_tests:
+        description: Run UnitTest on both JIT and Native AOT (x64 Release)
+        type: boolean
+        default: false
+      sdk_projections:
+        description: Include precompiled Windows SDK and UWP XAML projections
+        type: boolean
+        default: true
+
+permissions:
+  contents: read
+
+env:
+  DotNetSdkVersion: 10.0.402
+  PackageVersion: 3.0.0-ci-actions.${{ github.run_number }}.${{ github.run_attempt }}
+
+jobs:
+  build:
+    name: CsWinRT (Release ${{ matrix.platform }})
+    runs-on: windows-2025-vs2026
+    timeout-minutes: 180
+    strategy:
+      fail-fast: false
+      matrix:
+        platform: [x86, x64, arm64]
+    steps:
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
+        with:
+          fetch-depth: 0
+          persist-credentials: false
+      # Required by the repo-wide dependency check, even for product-only builds.
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
+        with:
+          repository: microsoft/TestWinRT
+          ref: d15a32b2f7c22b022e01e09d893a19fe0b3043f8
+          path: src/TestWinRT
+          persist-credentials: false
+      - uses: actions/setup-dotnet@a98b56852c35b8e3190ac28c8c2271da59106c68 # v6.0.0
+        with:
+          dotnet-version: ${{ env.DotNetSdkVersion }}
+      - name: Select build SDK
+        shell: pwsh
+        run: |
+          $globalJson = Get-Content .\global.json -Raw | ConvertFrom-Json
+          $globalJson.sdk | Add-Member -NotePropertyName version -NotePropertyValue $env:DotNetSdkVersion -Force
+          $globalJson.sdk | Add-Member -NotePropertyName rollForward -NotePropertyValue disable -Force
+          $globalJson | ConvertTo-Json -Depth 10 | Set-Content .\global.json
+      # WinRT.Host resolves nethost from the matching architecture's SDK installation.
+      - name: Install target architecture SDK
+        if: matrix.platform != 'x64'
+        shell: pwsh
+        env:
+          BUILD_PLATFORM: ${{ matrix.platform }}
+        run: |
+          $installer = "$env:RUNNER_TEMP\dotnet-install.ps1"
+          Invoke-WebRequest https://dot.net/v1/dotnet-install.ps1 -OutFile $installer
+          & $installer -Version $env:DotNetSdkVersion -Architecture $env:BUILD_PLATFORM -InstallDir "$env:DOTNET_ROOT\$env:BUILD_PLATFORM" -NoPath
+      - name: Build and stage product
+        shell: cmd
+        env:
+          BUILD_PLATFORM: ${{ matrix.platform }}
+          cswinrt_skip_package: true
+          cswinrt_generate_sdk_projection: ${{ inputs.sdk_projections }}
+        run: |
+          call src\build.cmd %BUILD_PLATFORM% Release 3.0.0.0 %PackageVersion% 3.0.0.0 product
+      - name: Upload product payload
+        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
+        with:
+          name: product-${{ matrix.platform }}
+          path: artifacts\product
+          if-no-files-found: error
+          retention-days: 7
+      - name: Upload build logs
+        if: always()
+        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
+        with:
+          name: build-logs-${{ matrix.platform }}
+          path: artifacts\logs
+          if-no-files-found: ignore
+          retention-days: 7
+
+  pack:
+    name: Create NuGet artifact
+    needs: build
+    runs-on: windows-2025-vs2026
+    timeout-minutes: 15
+    steps:
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
+        with:
+          persist-credentials: false
+      - uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c # v8.0.1
+        with:
+          pattern: product-*
+          merge-multiple: true
+          path: artifacts\product
+      - uses: NuGet/setup-nuget@d105a947828025cd7a980103c35ba2bfae586d0f # v2
+      - name: Pack Microsoft.Windows.CsWinRT
+        shell: cmd
+        env:
+          cswinrt_generate_sdk_projection: ${{ inputs.sdk_projections }}
+        run: |
+          call src\build.cmd x64 Release 3.0.0.0 %PackageVersion% 3.0.0.0 productpackage
+      - name: Upload NuGet
+        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
+        with:
+          name: Microsoft.Windows.CsWinRT
+          path: artifacts\packages\*.nupkg
+          if-no-files-found: error
+          retention-days: 7
+
+  unit-test:
+    name: UnitTest (${{ matrix.runtime }}, x64 Release)
+    if: github.event_name == 'pull_request' || inputs.unit_tests
+    runs-on: windows-2025-vs2026
+    timeout-minutes: 120
+    strategy:
+      fail-fast: false
+      matrix:
+        runtime: [jit, aot]
+    steps:
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
+        with:
+          fetch-depth: 0
+          persist-credentials: false
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
+        with:
+          repository: microsoft/TestWinRT
+          ref: d15a32b2f7c22b022e01e09d893a19fe0b3043f8
+          path: src/TestWinRT
+          persist-credentials: false
+      - uses: actions/setup-dotnet@a98b56852c35b8e3190ac28c8c2271da59106c68 # v6.0.0
+        with:
+          dotnet-version: ${{ env.DotNetSdkVersion }}
+      - name: Select build SDK
+        shell: pwsh
+        run: |
+          $globalJson = Get-Content .\global.json -Raw | ConvertFrom-Json
+          $globalJson.sdk | Add-Member -NotePropertyName version -NotePropertyValue $env:DotNetSdkVersion -Force
+          $globalJson.sdk | Add-Member -NotePropertyName rollForward -NotePropertyValue disable -Force
+          $globalJson | ConvertTo-Json -Depth 10 | Set-Content .\global.json
+      - name: Build and run UnitTest
+        shell: pwsh
+        env:
+          TEST_RUNTIME: ${{ matrix.runtime }}
+        run: |
+          & .\build\scripts\Test-CsWinRTUnitTest.ps1 -Runtime $env:TEST_RUNTIME -PackageVersion $env:PackageVersion
+      - name: Upload test results and build logs
+        if: always()
+        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
+        with:
+          name: unit-test-${{ matrix.runtime }}
+          path: |
+            artifacts\test-results
+            artifacts\logs
+          if-no-files-found: ignore
+          retention-days: 7

.gitignore

@@ -14,6 +14,7 @@ Release
 Generated Files
 TestWinRT
 _build/
+/artifacts/
 .nuget
 .nupkg
 nuget/Microsoft.Windows.CsWinRT.Prerelease.targets

build/scripts/Test-CsWinRTUnitTest.ps1

@@ -0,0 +1,49 @@
+param(
+    [Parameter(Mandatory)]
+    [ValidateSet('jit', 'aot')]
+    [string] $Runtime,
+    [Parameter(Mandatory)]
+    [string] $PackageVersion
+)
+
+$ErrorActionPreference = 'Stop'
+$repoRoot = (Resolve-Path "$PSScriptRoot\..\..").Path
+$src = "$repoRoot\src"
+$previousTestRuntime = $env:cswinrt_unit_test_runtime
+try {
+    $env:cswinrt_unit_test_runtime = $Runtime
+    & $env:ComSpec /d /c "call `"$src\build.cmd`" x64 Release 3.0.0.0 $PackageVersion 3.0.0.0 product"
+    if ($LASTEXITCODE -ne 0) {
+        throw "UnitTest ($Runtime) build failed (exit code $LASTEXITCODE)."
+    }
+} finally {
+    $env:cswinrt_unit_test_runtime = $previousTestRuntime
+}
+if ($Runtime -eq 'aot') {
+    $testExecutable = "$src\Tests\UnitTest\bin\x64\Release\net10.0\win-x64\publish\UnitTest.exe"
+} else {
+    $testExecutable = "$src\Tests\UnitTest\bin\x64\Release\net10.0\win-x64\UnitTest.exe"
+}
+
+$results = "$repoRoot\artifacts\test-results\$Runtime"
+New-Item -ItemType Directory -Force $results | Out-Null
+$trxPath = "$results\UnitTest-$Runtime.trx"
+# Require a fresh report so a previous successful run cannot mask missing results
+if (Test-Path -LiteralPath $trxPath) {
+    Remove-Item -LiteralPath $trxPath
+}
+Push-Location (Split-Path $testExecutable)
+try {
+    & $testExecutable --results-directory $results --report-trx --report-trx-filename "UnitTest-$Runtime.trx"
+    if ($LASTEXITCODE -ne 0) {
+        throw "UnitTest ($Runtime) failed (exit code $LASTEXITCODE)."
+    }
+} finally {
+    Pop-Location
+}
+
+# A zero exit code also allows an entirely skipped run
+[xml] $report = Get-Content -LiteralPath $trxPath -Raw
+if ([int] $report.TestRun.ResultSummary.Counters.passed -le 0) {
+    throw "UnitTest ($Runtime) did not pass any tests. An empty or entirely skipped run is not a successful validation."
+}