Add MSVC-based CI build

.github/workflows/linux-ci.yml

@@ -6,9 +6,12 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v1
-      - name: Build and Test
+      - name: Configure and Build
         run: |
           mkdir build && cd build
           cmake -DCMAKE_BUILD_TYPE=Debug ..
           make -j2
+      - name: Test
+        run: |
+          cd build
           make check

.github/workflows/msvc-ci.yml

@@ -0,0 +1,23 @@
+name: MSVC-CI
+on: [push, pull_request]
+
+jobs:
+  build:
+    runs-on: windows-latest
+    steps:
+      - uses: actions/checkout@v1
+      - name: Configure and Build
+        run: |
+          mkdir build && cd build
+          cmake -G "Visual Studio 16 2019" -A Win32 ..
+          cmake --build . --config Debug
+
+      # This should probably be fixed to work from MSVC without needing to
+      # use a bash shell and the GNU userland tools...  But for now, the
+      # GH Actions environment provides what we need.
+      - name: Test
+        run: |
+          cd build\Debug
+          bash.exe ..\..\tests\all_tests.sh
+        env:
+          PYTHON_EXE: python.exe