Add CMake jobs to Appveyor

appveyor.yml

@@ -1,4 +1,4 @@
-# Copyright 2016, 2018 Peter Dimov
+# Copyright 2016, 2018, 2019 Peter Dimov
 # Distributed under the Boost Software License, Version 1.0.
 # (See accompanying file LICENSE_1_0.txt or copy at http://boost.org/LICENSE_1_0.txt)
 
@@ -22,6 +22,12 @@ environment:
     - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2019
       TOOLSET: msvc-14.2
       CXXSTD: 14,17
+    - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
+      CMAKE: 1
+    - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2017
+      CMAKE: 1
+    - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2019
+      CMAKE: 1
 
 install:
   - set BOOST_BRANCH=develop
@@ -34,6 +40,7 @@ install:
   - git submodule update --init libs/config
   - git submodule update --init libs/core
   - git submodule update --init libs/headers
+  - git submodule update --init tools/cmake
   - xcopy /s /e /q %APPVEYOR_BUILD_FOLDER% libs\assert\
   - cmd /c bootstrap
   - b2 -d0 headers
@@ -42,4 +49,13 @@ build: off
 
 test_script:
   - if not "%CXXSTD%" == "" set CXXSTD=cxxstd=%CXXSTD%
-  - b2 -j 3 libs/assert/test toolset=%TOOLSET% %CXXSTD%
+  - if "%CMAKE%" == "" (
+  -   b2 -j 3 libs/assert/test toolset=%TOOLSET% %CXXSTD%
+  - ) ELSE (
+  -   mkdir __build__ && cd __build__
+  -   cmake -DBOOST_ENABLE_CMAKE=1 -DBoost_VERBOSE=1 ..
+  -   ctest --output-on-failure -R boost_assert -C Debug
+  -   ctest --output-on-failure -R boost_assert -C Release
+  -   ctest --output-on-failure -R boost_assert -C MinSizeRel
+  -   ctest --output-on-failure -R boost_assert -C RelWithDebInfo
+  - )