add basic gtest framework

Author: wusatosi

CMakeLists.txt

@@ -27,6 +27,7 @@ option(
     ${PROJECT_IS_TOP_LEVEL}
 )
 
+include(FetchContent)
 include(GNUInstallDirs)
 
 add_library(beman.inplace_vector INTERFACE)
@@ -59,6 +60,23 @@ install(
 
 if(BEMAN_INPLACE_VECTOR_BUILD_TESTS)
     include(CTest)
+    
+    enable_testing()
+
+    # Fetch GoogleTest
+    FetchContent_Declare(
+        googletest
+        GIT_REPOSITORY https://github.com/google/googletest.git
+        GIT_TAG
+            f8d7d77c06936315286eb55f8de22cd23c188571 # release-1.14.0
+        EXCLUDE_FROM_ALL
+    )
+
+    block()
+        set(INSTALL_GTEST OFF) # Disable GoogleTest installation
+        FetchContent_MakeAvailable(googletest)
+    endblock()
+
     add_subdirectory(tests/beman/inplace_vector)
 endif()
 

tests/beman/inplace_vector/CMakeLists.txt

@@ -20,3 +20,15 @@ add_test(
     NAME beman.inplace_vector.ref-test
     COMMAND beman.inplace_vector.ref-test
 )
+
+# GoogleTest based tests
+include(GoogleTest)
+
+add_executable(beman.inplace_vector.tests.spec)
+target_sources(beman.inplace_vector.tests.spec PRIVATE spec.test.cpp)
+target_link_libraries(
+    beman.inplace_vector.tests.spec
+    PRIVATE beman.inplace_vector GTest::gtest GTest::gtest_main
+)
+
+gtest_add_tests(beman.inplace_vector.tests.spec "" AUTO)