Set stack size for some unit tests when using MSVC (#2961)

*  set stack size for some unit tests

.github/workflows/windows.yml

@@ -38,13 +38,13 @@ jobs:
     steps:
     - uses: actions/checkout@v2
     - name: cmake
-      run: cmake -S . -B build -G "Visual Studio 15 2017" -A ${{ matrix.architecture }} -DJSON_BuildTests=On -DCMAKE_EXE_LINKER_FLAGS="/STACK:4000000" -DCMAKE_CXX_FLAGS="/W4 /WX"
+      run: cmake -S . -B build -G "Visual Studio 15 2017" -A ${{ matrix.architecture }} -DJSON_BuildTests=On -DCMAKE_CXX_FLAGS="/W4 /WX"
       if: matrix.build_type == 'Release' && matrix.architecture == 'x64'
     - name: cmake
       run: cmake -S . -B build -G "Visual Studio 15 2017" -A ${{ matrix.architecture }} -DJSON_BuildTests=On -DCMAKE_CXX_FLAGS="/W4 /WX"
       if: matrix.build_type == 'Release' && matrix.architecture != 'x64'
     - name: cmake
-      run: cmake -S . -B build -G "Visual Studio 15 2017" -A ${{ matrix.architecture }} -DJSON_BuildTests=On -DJSON_FastTests=ON -DCMAKE_EXE_LINKER_FLAGS="/STACK:4000000" -DCMAKE_CXX_FLAGS="/W4 /WX"
+      run: cmake -S . -B build -G "Visual Studio 15 2017" -A ${{ matrix.architecture }} -DJSON_BuildTests=On -DJSON_FastTests=ON -DCMAKE_CXX_FLAGS="/W4 /WX"
       if: matrix.build_type == 'Debug'
     - name: build
       run: cmake --build build --config ${{ matrix.build_type }} --parallel 10
@@ -76,7 +76,7 @@ jobs:
       run: cmake -S . -B build -G "Visual Studio 16 2019" -A ${{ matrix.architecture }} -DJSON_BuildTests=On -DCMAKE_CXX_FLAGS="/W4 /WX"
       if: matrix.build_type == 'Release'
     - name: cmake
-      run: cmake -S . -B build -G "Visual Studio 16 2019" -A ${{ matrix.architecture }} -DJSON_BuildTests=On -DJSON_FastTests=ON -DCMAKE_EXE_LINKER_FLAGS="/STACK:4000000" -DCMAKE_CXX_FLAGS="/W4 /WX"
+      run: cmake -S . -B build -G "Visual Studio 16 2019" -A ${{ matrix.architecture }} -DJSON_BuildTests=On -DJSON_FastTests=ON -DCMAKE_CXX_FLAGS="/W4 /WX"
       if: matrix.build_type == 'Debug'
     - name: build
       run: cmake --build build --config ${{ matrix.build_type }} --parallel 10
@@ -89,7 +89,7 @@ jobs:
     steps:
     - uses: actions/checkout@v2
     - name: cmake
-      run: cmake -S . -B build -G "Visual Studio 16 2019" -DJSON_BuildTests=On -DCMAKE_CXX_FLAGS="/permissive- /std:c++latest /utf-8 /W4 /WX" -DCMAKE_EXE_LINKER_FLAGS="/STACK:4000000"
+      run: cmake -S . -B build -G "Visual Studio 16 2019" -DJSON_BuildTests=On -DCMAKE_CXX_FLAGS="/permissive- /std:c++latest /utf-8 /W4 /WX"
     - name: build
       run: cmake --build build --config Release --parallel 10
     - name: test

appveyor.yml

@@ -6,7 +6,6 @@ environment:
       configuration: Debug
       platform: x86
       CXX_FLAGS: "/W4 /WX"
-      LINKER_FLAGS: ""
       CMAKE_OPTIONS: ""
       GENERATOR: Visual Studio 14 2015
 
@@ -14,7 +13,6 @@ environment:
       configuration: Release
       platform: x86
       CXX_FLAGS: "/W4 /WX"
-      LINKER_FLAGS: ""
       CMAKE_OPTIONS: ""
       GENERATOR: Visual Studio 14 2015
 
@@ -23,7 +21,6 @@ environment:
       platform: x86
       name: with_win_header
       CXX_FLAGS: "/W4 /WX"
-      LINKER_FLAGS: ""
       CMAKE_OPTIONS: ""
       GENERATOR: Visual Studio 14 2015
 
@@ -31,7 +28,6 @@ environment:
       configuration: Release
       platform: x86
       CXX_FLAGS: "/permissive- /std:c++latest /utf-8 /W4 /WX"
-      LINKER_FLAGS: ""
       CMAKE_OPTIONS: ""
       GENERATOR: Visual Studio 15 2017
 
@@ -39,7 +35,6 @@ environment:
       configuration: Release
       platform: x86
       CXX_FLAGS: "/W4 /WX"
-      LINKER_FLAGS: ""
       CMAKE_OPTIONS: "-DJSON_ImplicitConversions=OFF"
       GENERATOR: Visual Studio 16 2019
 
@@ -47,15 +42,13 @@ environment:
       configuration: Release
       platform: x64
       CXX_FLAGS: "/W4 /WX"
-      LINKER_FLAGS: ""
       CMAKE_OPTIONS: ""
       GENERATOR: Visual Studio 14 2015
 
     - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2017
       configuration: Release
       platform: x64
-      CXX_FLAGS: "/permissive- /std:c++latest /Zc:__cplusplus /utf-8 /F4000000 /W4 /WX"
-      LINKER_FLAGS: "/STACK:4000000"
+      CXX_FLAGS: "/permissive- /std:c++latest /Zc:__cplusplus /utf-8 /W4 /WX"
       CMAKE_OPTIONS: ""
       GENERATOR: Visual Studio 15 2017
 
@@ -70,7 +63,7 @@ before_build:
   # for with_win_header build, inject the inclusion of Windows.h to the single-header library
   - ps: if ($env:name -Eq "with_win_header") { $header_path = "single_include\nlohmann\json.hpp" }
   - ps: if ($env:name -Eq "with_win_header") { "#include <Windows.h>`n" + (Get-Content $header_path | Out-String) | Set-Content $header_path }
-  - cmake . -G "%GENERATOR%" -A "%GENERATOR_PLATFORM%" -DCMAKE_CXX_FLAGS="%CXX_FLAGS%" -DCMAKE_EXE_LINKER_FLAGS="%LINKER_FLAGS%" -DCMAKE_IGNORE_PATH="C:/Program Files/Git/usr/bin" -DJSON_BuildTests=On "%CMAKE_OPTIONS%"
+  - cmake . -G "%GENERATOR%" -A "%GENERATOR_PLATFORM%" -DCMAKE_CXX_FLAGS="%CXX_FLAGS%" -DCMAKE_IGNORE_PATH="C:/Program Files/Git/usr/bin" -DJSON_BuildTests=On "%CMAKE_OPTIONS%"
 
 build_script:
   - cmake --build . --config "%configuration%"

test/CMakeLists.txt

@@ -100,6 +100,13 @@ elseif (CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
     #target_compile_definitions(test-disabled_exceptions PUBLIC _HAS_EXCEPTIONS=0)
 endif()
 
+# avoid stack overflow, see https://github.com/nlohmann/json/issues/2955
+if (CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
+    set_property(TARGET test-cbor APPEND_STRING PROPERTY LINK_FLAGS " /STACK:4000000")
+    set_property(TARGET test-msgpack APPEND_STRING PROPERTY LINK_FLAGS " /STACK:4000000")
+    set_property(TARGET test-ubjson APPEND_STRING PROPERTY LINK_FLAGS " /STACK:4000000")
+endif()
+
 #############################################################################
 # Test the generated build configs
 #############################################################################