Add CTest in GitHub Action

.github/workflows/test.yml

@@ -0,0 +1,28 @@
+name: Test
+
+on:
+  push:
+  pull_request:
+    branches: [master]
+
+jobs:
+  build-test:
+    runs-on: ubuntu-20.04
+    strategy:
+      matrix:
+        cc: [clang, gcc]
+    steps:
+      - uses: actions/checkout@v2
+      - name: Build
+        run: cmake -B build && make -C build
+        env:
+          CC: /usr/bin/${{ matrix.cc }}
+          CFLAGS: "-Wpedantic -Wall -Werror"
+  run-test:
+    runs-on: ubuntu-20.04
+    steps:
+      - uses: actions/checkout@v2
+      - name: Build
+        run: cmake -B build && make -C build
+      - name: Test
+        run: cd build && ctest

format.sh

@@ -3,3 +3,4 @@
 clang-format -i {utility,espresso}/*.{h,c}
 cmake-format -i CMakeLists.txt
 shfmt -i 4 -w format.sh
+prettier --write .github/workflows/*