Migrate to GitHub Actions and add test infrastructure with Catch2

.github/workflows/actions.yml

@@ -0,0 +1,52 @@
+name: Actions
+
+on:
+  push:
+    branches: [master]
+  pull_request:
+    branches: [master]
+
+env:
+  BUILD_TYPE: Release
+
+jobs:
+  linux:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+      with:
+        submodules: recursive
+    - name: Install dependencies
+      run: sudo apt-get install cmake g++
+    - name: Configure CMake
+      run: cmake -S . -B build -DMIDIFILE_BUILD_TESTS=ON -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}}
+    - name: Build project
+      run: cmake --build build
+    - name: Run tests
+      run: ./build/midifile_test
+
+  windows:
+    runs-on: windows-2019
+    steps:
+    - uses: actions/checkout@v2
+      with:
+        submodules: recursive
+    - name: Configure CMake
+      run: cmake -S . -B build -DMIDIFILE_BUILD_TESTS=ON -G "Visual Studio 16 2019" -A x64
+    - name: Build project
+      run: cmake --build build --config ${{env.BUILD_TYPE}}
+    - name: Run tests
+      run: ./build/${{env.BUILD_TYPE}}/midifile_test.exe
+
+  macos:
+    runs-on: macos-11
+    steps:
+    - uses: actions/checkout@v2
+      with:
+        submodules: recursive
+    - name: Configure CMake
+      run: cmake -S . -B build -DMIDIFILE_BUILD_TESTS=ON -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}}
+    - name: Build project
+      run: cmake --build build
+    - name: Run tests
+      run: ./build/midifile_test

.gitignore

@@ -1,5 +1,3 @@
-
-.*
 !.gitignore
 _site
 temp
@@ -24,3 +22,4 @@ err
 *.idb
 *.ilk
 *.opendb
+build*

.gitmodules

@@ -0,0 +1,4 @@
+[submodule "Catch2"]
+	path = external_libraries/Catch2
+	url = https://github.com/catchorg/Catch2.git
+	branch = v2.x

CMakeLists.txt

@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 2.8)
+cmake_minimum_required(VERSION 3.0)
 
 project(midifile C CXX)
 set(CMAKE_CXX_STANDARD 11)
@@ -70,6 +70,14 @@ add_library(midifile STATIC ${SRCS} ${HDRS})
 ## Programs:
 ##
 
+if(MIDIFILE_BUILD_TESTS)
+  add_executable(midifile_test test/test.cpp)
+  target_include_directories(
+    midifile_test PRIVATE external_libraries/Catch2/single_include/
+  )
+  target_link_libraries(midifile_test midifile)
+endif()
+
 add_executable(80off tools/80off.cpp)
 add_executable(asciimidi tools/asciimidi.cpp)
 add_executable(binasc tools/binasc.cpp)

test/test.cpp

@@ -0,0 +1,46 @@
+#include <sstream>
+#include <vector>
+#include <tuple>
+
+#define CATCH_CONFIG_MAIN
+#include "catch2/catch.hpp"
+
+#include "MidiFile.h"
+
+TEST_CASE("Writing and reading an empty MIDI file works") {
+    smf::MidiFile midifile1;
+    REQUIRE(midifile1.size() == 1);
+    std::stringstream stream;
+    midifile1.write(stream);
+    REQUIRE(midifile1.status());
+    smf::MidiFile midifile2;
+    midifile2.read(stream);
+    REQUIRE(midifile2.size() == 1);
+    REQUIRE(midifile2.status());
+}
+
+TEST_CASE("Writing and reading a MIDI file with note on and note off messages works") {
+    smf::MidiFile midifile1;
+
+    std::vector<uint8_t> noteOnMessage = { 0x90, 0x3c, 0x7F };
+    smf::MidiEvent noteOn(0, 1, noteOnMessage);
+    std::vector<uint8_t> noteOffMessage = { 0x80, 0x3c, 0x7F };
+    smf::MidiEvent noteOff(100, 1, noteOffMessage);
+    std::vector<uint8_t> trackEndMessage = { 0xFF, 0x2F, 0x00 };
+    smf::MidiEvent trackEnd(200, 1, trackEndMessage);
+    midifile1[0].push_back(noteOn);
+    midifile1[0].push_back(noteOff);
+    midifile1[0].push_back(trackEnd);
+
+    std::stringstream stream;
+    midifile1.write(stream);
+    REQUIRE(midifile1.status());
+    smf::MidiFile midifile2;
+    midifile2.read(stream);
+
+    REQUIRE(midifile1.size() == midifile2.size());
+    REQUIRE(midifile1[0].size() == midifile2[0].size());
+    for (int i = 0; i < midifile1[0].size(); i++) {
+        REQUIRE(midifile1[0][i] == midifile2[0][i]);
+    }
+}