feat: add -DBUILD=test & test CI

.github/workflows/test.yml

@@ -0,0 +1,47 @@
+name: test
+on: [push, pull_request]
+
+jobs:
+  test_ubuntu:
+    name: Run CMake Test on Ubuntu (oneAPI) 🧪
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout Code
+        uses: actions/checkout@v2
+
+      - name: Setup Build Tools
+        run: |
+          # download the key to system keyring
+          wget -O- https://apt.repos.intel.com/intel-gpg-keys/GPG-PUB-KEY-INTEL-SW-PRODUCTS.PUB \
+          | gpg --dearmor | sudo tee /usr/share/keyrings/oneapi-archive-keyring.gpg > /dev/null
+
+          # add signed entry to apt sources and configure the APT client to use Intel repository:
+          echo "deb [signed-by=/usr/share/keyrings/oneapi-archive-keyring.gpg] https://apt.repos.intel.com/oneapi all main" | sudo tee /etc/apt/sources.list.d/oneAPI.list
+
+          sudo apt-get update
+          sudo apt-get install -y intel-basekit cmake
+
+      - name: Build and Run Tests
+        run: |
+          mkdir build
+          cd build
+          cmake -DCMAKE_BUILD_TYPE=Release -DBUILD=test ..
+          cmake --build . || ctest --output-on-failure
+
+  test_windows:
+    name: Run CMake Test on Windows (MSVC) 🧪
+    runs-on: windows-latest
+    steps:
+      - name: Checkout Code
+        uses: actions/checkout@v2
+
+      - name: Setup Build Tools
+        run: |
+          Invoke-WebRequest -Uri "https://registrationcenter-download.intel.com/akdlm/IRC_NAS/f5881e61-dcdc-40f1-9bd9-717081ac623c/intel-oneapi-base-toolkit-2025.2.1.46_offline.exe" -OutFile "install.exe"
+          ./install.exe -s -a --silent --eula accept
+
+      - name: Build and Run Tests
+        run: |
+          mkdir build
+          cmake -G "NMake Makefiles" -DCMAKE_BUILD_TYPE=Release ..
+          cmake --build .; if ($?) { ctest --output-on-failure }