CMake: Add unittests to CTest

.travis.yml

@@ -20,5 +20,5 @@ install:
   - cmake --build . --config Release --target install
 
 script:
-  - test/Release/evmc-unittests.exe
+  - cmake --build . --config Release --target RUN_TESTS
   - $HOME/bin/evmc-vmtester.exe $HOME/bin/evmc-example-vm.dll

appveyor.yml

@@ -54,7 +54,6 @@ build_script:
 after_build:
 - ps: >-
     if ($env:GENERATOR) {
-      cd C:\projects\evmc\build\test
-      Release\evmc-unittests.exe
+      cmake --build . --config $env:CONFIGURATION --target RUN_TESTS
       C:\install\bin\evmc-vmtester.exe C:\install\bin\evmc-example-vm.dll
     }

circle.yml

@@ -39,10 +39,6 @@ jobs:
       - run:
           name: "Build"
           command: cmake --build ~/build
-      - run:
-          name: "Unit tests"
-          working_directory: ~/build/test
-          command: ./evmc-unittests
       - run:
           name: "Test"
           command: cmake --build ~/build --target test

test/unittests/CMakeLists.txt

@@ -2,6 +2,8 @@
 # Copyright 2019 The EVMC Authors.
 # Licensed under the Apache License, Version 2.0.
 
+include(GoogleTest)
+
 add_library(loader-mocked STATIC ${PROJECT_SOURCE_DIR}/lib/loader/loader.c)
 target_link_libraries(loader-mocked PRIVATE evmc)
 target_compile_definitions(loader-mocked PRIVATE EVMC_LOADER_MOCK=1)
@@ -17,3 +19,5 @@ add_executable(
 
 target_link_libraries(evmc-unittests PRIVATE loader-mocked evmc-example-vm-static evmc-example-host instructions GTest::gtest GTest::main)
 set_target_properties(evmc-unittests PROPERTIES RUNTIME_OUTPUT_DIRECTORY ..)
+
+gtest_add_tests(TARGET evmc-unittests TEST_PREFIX unittests/)