test: Refactor testing to use check.sh

Also adds matrix of supported versions to CI check.

Related to: #33

.github/workflows/test.yml

@@ -0,0 +1,36 @@
+name: Test
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+defaults:
+  run:
+    shell: bash
+
+jobs:
+  test:
+    name: clang-format-${{ matrix.version }}
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        version:
+          - 4
+          - 5
+          - 6
+          - 7
+          - 8
+          - 9
+          - 10
+          - 11
+          - 12
+          - 13
+    steps:
+    - uses: actions/[email protected]
+    - name: Build and test the Docker image
+      run: test/test.sh ${{ matrix.version }}

test/test.sh

@@ -0,0 +1,21 @@
+#!/usr/bin/env bash
+
+FALLBACK_STYLE="llvm"
+EXCLUDE_REGEX="capital"
+CLANG_FORMAT_VERSION="$1"
+
+# should succeed
+"$GITHUB_WORKSPACE"/check.sh "$CLANG_FORMAT_VERSION" "$GITHUB_WORKSPACE/test/known_pass" "$FALLBACK_STYLE" "$EXCLUDE_REGEX"
+docker_status="$?"
+if [[ "$docker_status" != "0" ]]; then
+	echo "files that should succeed have failed!"
+	exit 1
+fi
+
+# should fail
+"$GITHUB_WORKSPACE"/check.sh "$CLANG_FORMAT_VERSION" "$GITHUB_WORKSPACE/test/known_fail" "$FALLBACK_STYLE" "$EXCLUDE_REGEX"
+docker_status="$?"
+if [[ "$docker_status" == "0" ]]; then
+	echo "files that should fail have succeeded!"
+	exit 2
+fi