add windows action

.github/workflows/windows.yml

@@ -0,0 +1,44 @@
+name: CMake
+
+on:
+  push:
+    branches: [ test-windows ]
+  pull_request:
+    branches: [ test-windows ]
+
+env:
+  # Customize the CMake build type here (Release, Debug, RelWithDebInfo, etc.)
+  BUILD_TYPE: Release
+
+jobs:
+  build:
+    # The CMake configure and build commands are platform agnostic and should work equally well on Windows or Mac.
+    # You can convert this to a matrix build if you need cross-platform coverage.
+    # See: https://docs.github.com/en/free-pro-team@latest/actions/learn-github-actions/managing-complex-workflows#using-a-build-matrix
+    strategy:
+      matrix:
+        os: [ windows-latest ]
+    runs-on: ${{ matrix.os }}
+
+    steps:
+    - uses: actions/checkout@v4
+    - name: Download GmSSL
+      run: |
+        git clone -b 'v3.1.1' --depth 1 https://github.com/guanzhi/GmSSL.git
+
+    - name: Configure CMake
+      # Configure CMake in a 'build' subdirectory. `CMAKE_BUILD_TYPE` is only required if you are using a single-configuration generator such as make.
+      # See https://cmake.org/cmake/help/latest/variable/CMAKE_BUILD_TYPE.html?highlight=cmake_build_type
+      run: cd ${{github.workspace}}/GmSSL && cmake -B ./build -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}}
+
+    - name: Build GmSSL
+      # Build your program with the given configuration
+      run: cd ${{github.workspace}}/GmSSL && cmake --build ./build --config ${{env.BUILD_TYPE}}
+
+    - name: Test GmSSL
+      # Execute tests defined by the CMake configuration.
+      # See https://cmake.org/cmake/help/latest/manual/ctest.1.html for more detail
+      run: | 
+        cd ${{github.workspace}}/GmSSL && ctest --rerun-failed --output-on-failure -C ${{env.BUILD_TYPE}}
+        gmssl version
+