Migrate CI from CircleCI to GitHub Actions

.github/dependabot.yml

@@ -0,0 +1,10 @@
+version: 2
+updates:
+  # Maintain dependencies for GitHub Actions
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+    labels:
+      - "dependencies"
+      - "github-actions"

.github/workflows/ci.yml

@@ -0,0 +1,40 @@
+name: CI
+
+on:
+  push:
+    branches:
+      - master
+      - 'release/*'
+  pull_request:
+    branches:
+      - master
+  workflow_dispatch:
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+    strategy:
+      matrix:
+        build_type: [Debug, Release]
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+        with:
+          submodules: recursive
+
+      - name: Install dependencies
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y cmake g++ make
+
+      - name: Configure CMake
+        run: cmake -B build -DCMAKE_BUILD_TYPE=${{ matrix.build_type }}
+
+      - name: Build
+        run: cmake --build build
+
+      - name: Run tests
+        run: ./build/test/testmain

.gitignore

@@ -32,5 +32,9 @@
 *.app
 
 /cmake-build-*/
+/build-*/
+/build/
+/_codeql_build_dir/
+/_codeql_detected_source_root
 /.idea/
 /test/catch.hpp

README.md

@@ -1,4 +1,4 @@
-[![Build Status](https://circleci.com/gh/tschijnmo/fbitset.svg?style=shield)](https://circleci.com/gh/tschijnmo/fbitset)
+[![CI](https://github.com/DrudgeCAS/fbitset/workflows/CI/badge.svg)](https://github.com/DrudgeCAS/fbitset/actions)
 
 # fbitset
 A highly optimized and tunable C++ bitset library

test/CMakeLists.txt

@@ -1,9 +1,15 @@
-# Download the Catch2 single header.
+# Fetch Catch2 v3 using FetchContent
+# To update Catch2, change the GIT_TAG to the desired version
+# Check releases at: https://github.com/catchorg/Catch2/releases
+include(FetchContent)
 
-file(DOWNLOAD
-        "https://github.com/catchorg/Catch2/releases/download/v2.0.1/catch.hpp"
-        "${CMAKE_CURRENT_BINARY_DIR}/catch.hpp"
-        )
+FetchContent_Declare(
+  Catch2
+  GIT_REPOSITORY https://github.com/catchorg/Catch2.git
+  GIT_TAG        v3.11.0  # renovate: datasource=github-releases depName=catchorg/Catch2
+)
+
+FetchContent_MakeAvailable(Catch2)
 
 
 # The main test driver.
@@ -12,9 +18,7 @@ add_executable(testmain
         basic.cpp
         )
 
-target_include_directories(testmain
-        PRIVATE ${CMAKE_CURRENT_BINARY_DIR}
-        )
+target_link_libraries(testmain PRIVATE Catch2::Catch2)
 
 # Tests supposed to crash with assertion failure.
 add_executable(crash_no_ext crash_no_ext.cpp)

test/basic.cpp

@@ -18,11 +18,20 @@
 #include <type_traits>
 #include <utility>
 #include <vector>
-
-#include <catch.hpp>
+#include <ostream>
 
 #include <fbitset.hpp>
 
+// Provide stream operator for Fbitset to prevent Catch2 from trying to treat it as a range
+namespace fbitset {
+    template<Size N, typename Int, typename Cont>
+    std::ostream& operator<<(std::ostream& os, const Fbitset<N, Int, Cont>& bs) {
+        return os << "{Fbitset}";
+    }
+}
+
+#include <catch2/catch_test_macros.hpp>
+
 using namespace fbitset;
 
 TEST_CASE("Fbitset has basic behaviour")

test/testmain.cpp

@@ -1,5 +1,4 @@
-#define CATCH_CONFIG_RUNNER
-#include <catch.hpp>
+#include <catch2/catch_session.hpp>
 
 int main(int argc, char* argv[])
 {