Support unit-test builds under CMake. (#389)

.github/workflows/win_msvc_dbg_x64_cmake.yml

@@ -65,3 +65,9 @@ jobs:
       run: |
         cd test
         cmake --build .
+
+    - name: Run gpgmm_unittests (with patch)
+      shell: cmd
+      run: |
+        cd test
+        src\tests\Debug\gpgmm_unittests.exe

CMakeLists.txt

@@ -120,6 +120,7 @@ set(CMAKE_CXX_STANDARD "14")
 ################################################################################
 add_subdirectory(third_party)
 add_subdirectory(src/gpgmm)
+add_subdirectory(src/tests)
 
 ################################################################################
 # Install GPGMM

src/tests/CMakeLists.txt

@@ -0,0 +1,41 @@
+# Copyright 2021 The GPGMM Authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+###############################################################################
+# Unit tests
+###############################################################################
+
+add_executable(gpgmm_unittests)
+
+target_sources(gpgmm_unittests PRIVATE
+    "DummyMemoryAllocator.h"
+    "unittests/BuddyBlockAllocatorTests.cpp"
+    "unittests/ConditionalMemoryAllocatorTests.cpp"
+    "unittests/FlagsTests.cpp"
+    "unittests/LinkedListTests.cpp"
+    "unittests/MathTests.cpp"
+    "unittests/MemoryAllocatorTests.cpp"
+    "unittests/MemoryCacheTests.cpp"
+    "unittests/MemoryPoolTests.cpp"
+    "unittests/PooledMemoryAllocatorTests.cpp"
+    "unittests/RefCountTests.cpp"
+    "unittests/SegmentedMemoryAllocatorTests.cpp"
+    "unittests/SlabBlockAllocatorTests.cpp"
+    "unittests/SlabMemoryAllocatorTests.cpp"
+    "unittests/UtilsTest.cpp"
+    "UnittestsMain.cpp"
+)
+
+target_include_directories(gpgmm_unittests PRIVATE "${GPGMM_ROOT_DIR}/src")
+target_link_libraries(gpgmm_unittests gpgmm gtest)

third_party/CMakeLists.txt

@@ -16,3 +16,11 @@
 if (NOT TARGET Vulkan-Headers)
     add_subdirectory(${GPGMM_VK_HEADERS_DIR} "${CMAKE_CURRENT_BINARY_DIR}/vulkan-headers")
 endif()
+
+################################################################################
+# Build subdirectories
+################################################################################
+
+# Prevent overriding the GPGMM's compiler/linker settings (or "mismatch detected" LNK2005 errors result)
+set(gtest_force_shared_crt ON CACHE BOOL "" FORCE)
+add_subdirectory(googletest)