Add test-windows CI job

Author: webmaster128

.circleci/config.yml

@@ -1,5 +1,8 @@
 version: 2.1
 
+orbs:
+  win: circleci/[email protected]
+
 jobs:
   # All checks on the codebase that can run in parallel to build_shared_library
   libwasmvm_sanity:
@@ -179,6 +182,22 @@ jobs:
           command: make test-safety
       - run: make build-go
 
+  # Note: this is pretty limited right now because it only tests the checked-in
+  # wasmvm.dll without rebuilding it.
+  test-windows:
+    executor:
+      name: win/default
+      shell: powershell.exe
+    steps:
+      - checkout
+      - run: systeminfo
+      - run:
+          name: Install mingw
+          command: choco install mingw
+      - run:
+          name: Run go tests using wasmvm.dll
+          command: go test -v ./api ./types .
+
   test_alpine_build:
     machine:
       image: ubuntu-2004:202101-01
@@ -282,6 +301,7 @@ workflows:
       - tidy-go
       - format-scripts
       - lint-scripts
+      - test-windows
       - build_shared_library:
           filters: # required since other jobs with tag filters require this one
             tags: