Integration tests for Mac and Windows

Author: umireon

Diff for: .github/workflows/demo.yml

@@ -8,8 +8,15 @@ on:
 
 jobs:
   demo:
+    strategy:
+      matrix:
+        runs-on:
+          - ubuntu-latest
+          - macos-latest
+          - windows-latest
+
     name: Demo
-    runs-on: ubuntu-latest
+    runs-on: ${{ matrix.runs-on }}
     steps:
       - name: Checkout
         uses: actions/checkout@v2
@@ -24,9 +31,15 @@ jobs:
           version: "tags/v0.1.18"
           file: "plague-linux.zip"
           target: "subdir/plague-linux.zip"
-      - name: Display the details
+      - name: Display the outputs
         run: |
-          echo ${{ steps.get_release.outputs.version }}
-          echo ${{ steps.get_release.outputs.name }}
-          echo ${{ steps.get_release.outputs.body }}
-          ls -l subdir/plague-linux.zip
+          echo "${{ steps.get_release.outputs.version }}"
+          echo "${{ steps.get_release.outputs.name }}"
+          echo "${{ steps.get_release.outputs.body }}"
+      - name: Display the file (Linux, Mac)
+        run: ls -l subdir/plague-linux.zip
+        if: matrix.runs-on != 'windows-latest'
+      - name: Display the file (Windows)
+        run: dir subdir/plague-linux.zip
+        if: matrix.runs-on == 'windows-latest'
+