Added simple unit test via GitHub Actions for Windows, OS X & Linux

.github/workflows/cmake_build.yml

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+# Copyright (c) 2019-2020-2021 Luca Cappa
+# Released under the term specified in file LICENSE.txt
+# SPDX short identifier: MIT
+name: mapmacro-test
+on: [push, pull_request]
+
+jobs:
+  buildtest:
+    name: ${{ matrix.os }}-hosted-basic
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [windows-latest, ubuntu-latest, macos-latest]
+        include:
+          - vcpkgCommitId: 'a9eee3b18df395dbb8be71a31bd78ea441056e42'
+    steps:
+      - uses: actions/checkout@v1
+        with:
+          submodules: true
+
+      - uses: lukka/get-cmake@v4.0.2
+
+      - name: Setup vcpkg
+        uses: lukka/run-vcpkg@v11
+        id: runvcpkg
+        with:
+          # This specifies the location of vcpkg, where it is going to be restored from cache, or create from scratch.
+          vcpkgDirectory: '${{ github.workspace }}/vcpkg'
+          # The Git commit id of vcpkg to be checked out. This is only needed because we are not using a submodule.
+          vcpkgGitCommitId: '${{ matrix.vcpkgCommitId}}'
+          # The vcpkg.json file, which will be part of cache key computation.
+          vcpkgJsonGlob: '**/cmakepresets/vcpkg.json'
+      - name: Run CMake consuming CMakePreset.json and run vcpkg to build packages
+        uses: lukka/run-cmake@v10.8
+        with:
+          # This is the name of the CMakePresets.json's configuration to use to generate
+          # the project files. This configuration leverages the vcpkg.cmake toolchain file to
+          # run vcpkg and install all dependencies specified in vcpkg.json.
+          configurePreset: 'ninja-multi-vcpkg'
+
+          # This is the name of the CMakePresets.json's configuration to build the project.
+          buildPreset: 'ninja-multi-vcpkg'
+
+          # This is the name of the CMakePresets.json's configuration to test the project with.
+          testPreset: 'ninja-multi-vcpkg'
+          testPresetAdditionalArgs: "['-C', 'Debug']"

CMakeLists.txt

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+cmake_minimum_required(VERSION 3.10)
+
+project(MapMacroTestsuite)
+enable_testing()
+
+add_custom_command(
+    OUTPUT  autotest.c
+    COMMAND python ${CMAKE_SOURCE_DIR}/gentest.py ${CMAKE_CURRENT_BINARY_DIR}/autotest.c
+    DEPENDS gentest.py
+)
+
+set(CMAKE_C_STANDARD 99)
+set(CMAKE_C_STANDARD_REQUIRED True)
+
+add_executable(MapMacroTestsuite ${CMAKE_CURRENT_BINARY_DIR}/autotest.c ${CMAKE_SOURCE_DIR}/map.h)
+
+target_include_directories(MapMacroTestsuite PRIVATE ${CMAKE_SOURCE_DIR})
+
+
+add_test(NAME MapMacroTestsuite COMMAND MapMacroTestsuite)
+

CMakePresets.json

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+{
+  "version": 6,
+  "cmakeMinimumRequired": {
+    "major": 3,
+    "minor": 21,
+    "patch": 0
+  },
+  "configurePresets": [
+    {
+      "name": "ninja",
+      "displayName": "Ninja Configure Settings",
+      "description": "Sets build and install directories",
+      "binaryDir": "${sourceDir}/builds/${presetName}",
+      "generator": "Ninja"
+    },
+    {
+      "name": "ninja-toolchain",
+      "displayName": "Ninja Configure Settings with toolchain",
+      "description": "Sets build and install directories",
+      "binaryDir": "${sourceDir}/builds/${presetName}-toolchain",
+      "generator": "Ninja",
+      "toolchainFile": "${sourceDir}/vcpkg/scripts/buildsystems/vcpkg.cmake"
+    },
+    {
+      "name": "ninja-multi-vcpkg",
+      "displayName": "Ninja Multi-Config Configure Settings",
+      "description": "Configure with vcpkg toolchain",
+      "binaryDir": "${sourceDir}/builds/${presetName}",
+      "generator": "Ninja Multi-Config",
+      "cacheVariables": {
+        "CMAKE_TOOLCHAIN_FILE": {
+          "type": "FILEPATH",
+          "value": "${sourceDir}/vcpkg/scripts/buildsystems/vcpkg.cmake"
+        }
+      }
+    },
+    {
+      "name": "msbuild-vcpkg",
+      "displayName": "MSBuild (vcpkg toolchain) Configure Settings",
+      "description": "Configure with VS generators and with vcpkg toolchain",
+      "binaryDir": "${sourceDir}/builds/${presetName}",
+      "generator": "Visual Studio 17 2022",
+      "architecture": {
+        "strategy": "set",
+        "value": "x64"
+      },
+      "cacheVariables": {
+        "CMAKE_TOOLCHAIN_FILE": {
+          "type": "FILEPATH",
+          "value": "${sourceDir}/vcpkg/scripts/buildsystems/vcpkg.cmake"
+        }
+      }
+    }
+  ],
+  "buildPresets": [
+    {
+      "name": "ninja",
+      "configurePreset": "ninja",
+      "displayName": "Build with Ninja",
+      "description": "Build with Ninja"
+    },
+    {
+      "name": "ninja-multi-vcpkg",
+      "configurePreset": "ninja-multi-vcpkg",
+      "displayName": "Build ninja-multi-vcpkg",
+      "description": "Build ninja-multi-vcpkg Configurations"
+    },
+    {
+      "name": "ninja-toolchain",
+      "configurePreset": "ninja-toolchain",
+      "displayName": "Build ninja-toolchain",
+      "description": "Build ninja with a toolchain"
+    },
+    {
+      "name": "msbuild-vcpkg",
+      "configurePreset": "msbuild-vcpkg",
+      "displayName": "Build MSBuild",
+      "description": "Build with MSBuild (VS)"
+    }
+  ],
+  "testPresets": [
+    {
+      "name": "ninja",
+      "configurePreset": "ninja"
+    },
+    {
+      "name": "ninja-multi-vcpkg",
+      "configurePreset": "ninja-multi-vcpkg"
+    },
+    {
+      "name": "default-vs",
+      "configurePreset": "msbuild-vcpkg"
+    }
+  ],
+  "workflowPresets": [
+    {
+      "name": "ninja-workflow",
+      "steps": [
+        {
+          "type": "configure",
+          "name": "ninja-multi-vcpkg"
+        },
+        {
+          "type": "build",
+          "name": "ninja-multi-vcpkg"
+        },
+        {
+          "type": "test",
+          "name": "ninja-multi-vcpkg"
+        }
+      ]
+    }
+  ],
+  "packagePresets": [
+    {
+      "packageName": "default-package-name",
+      "packageVersion": "0.1",
+      "name": "default",
+      "configurePreset": "ninja",
+      "generators": [
+        "TGZ"
+      ]
+    },
+    {
+      "packageName": "default-multi-package-name",
+      "packageVersion": "0.1",
+      "name": "ninja-multi-vcpkg",
+      "configurePreset": "ninja-multi-vcpkg",
+      "generators": [
+        "TGZ"
+      ],
+      "configurations": [
+        "Debug"
+      ]
+    }
+  ]
+}

gentest.py

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+#!/usr/bin/python3
+
+import sys
+
+max = 365
+
+file = open(sys.argv[1], "w")
+
+file.write("""#include <stdio.h>
+#include <assert.h>
+#include <string.h>
+#include <stddef.h>
+#include "map.h"
+
+#define M0(x) "[" #x "]",
+#define M1(x) "[" #x "]"
+#define M2(x) x
+#define M3(x,y) "[" #x "," #y "]",
+#define M4(x,y) "[" #x "," #y "]"
+#define M5(x,y,z) "[" #x "," #y "," #z "]" ,
+#define M6(x,y,z) "[" #x "," #y "," #z "]"
+
+
+void testArray (const char* got [], const char* expected []){
+	for (size_t i = 0; expected [i] != NULL; ++i) {
+		assert (strcmp (got [i], expected [i]) == 0);
+	}
+}
+
+int main () {
+""")
+
+def testcase(macro,cb,append,mkelem):
+	file.write('\t{\n\t\tconst char* got [] = { '+ macro + ' (' + cb + ',')
+	file.write(','.join(str(x) for x in range(0,max)))
+	file.write(') ' + append + ' };\n\t\tconst char* expected [] = {')
+	file.write(', '.join('"' + mkelem(x) + '"' for x in range(0,max)))
+	file.write(', NULL};\n\t\ttestArray(got,expected);\n\t}\n')
+
+testcase('MAP','M0', 'NULL', lambda x : '[' + str(x) + ']')
+
+testcase('MAP_LIST','M1', '', lambda x : '[' + str(x) + ']')
+
+testcase('MAP_UD','M3, ud', 'NULL', lambda x : '[' + str(x) + ',ud]')
+
+testcase('MAP_LIST_UD','M4, ud', '', lambda x : '[' + str(x) + ',ud]')
+
+testcase('MAP_UD_I','M5, ud', 'NULL', lambda x : '[' + str(x) + ',ud,' + str(x) + ']')
+
+testcase('MAP_LIST_UD_I','M6, ud', '', lambda x : '[' + str(x) + ',ud,' + str(x) + ']')
+
+
+file.write('\tputs("All tests succeeded.");\n\treturn 0;\n}\n')
+