Add unit test suites (#3490)

tests/unit/running-modes/CMakeLists.txt

@@ -0,0 +1,56 @@
+# Copyright (C) 2019 Intel Corporation.  All rights reserved.
+# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+
+cmake_minimum_required(VERSION 3.14)
+
+project(test-running-modes)
+
+# Compile wasm modules
+add_subdirectory(wasm-apps)
+
+add_definitions(-DRUN_ON_LINUX)
+
+set(WAMR_BUILD_LIBC_WASI 1)
+set(WAMR_BUILD_APP_FRAMEWORK 0)
+set(WAMR_BUILD_JIT 1)
+set(WAMR_BUILD_FAST_JIT 1)
+
+# if only load this CMake other than load it as subdirectory
+include(../unit_common.cmake)
+
+set(LLVM_SRC_ROOT "${WAMR_ROOT_DIR}/core/deps/llvm")
+
+if (NOT EXISTS "${LLVM_SRC_ROOT}/build")
+    message(FATAL_ERROR "Cannot find LLVM dir: ${LLVM_SRC_ROOT}/build")
+endif ()
+
+set(CMAKE_PREFIX_PATH "${LLVM_SRC_ROOT}/build;${CMAKE_PREFIX_PATH}")
+find_package(LLVM REQUIRED CONFIG)
+include_directories(${LLVM_INCLUDE_DIRS})
+add_definitions(${LLVM_DEFINITIONS})
+message(STATUS "Found LLVM ${LLVM_PACKAGE_VERSION}")
+message(STATUS "Using LLVMConfig.cmake in: ${LLVM_DIR}")
+
+include(${IWASM_DIR}/compilation/iwasm_compl.cmake)
+
+include_directories(${CMAKE_CURRENT_SOURCE_DIR})
+
+file(GLOB_RECURSE source_all ${CMAKE_CURRENT_SOURCE_DIR}/*.cc)
+
+set(UNIT_SOURCE ${source_all})
+
+aux_source_directory(. SRC_LIST)
+
+set(unit_test_sources
+        ${UNIT_SOURCE}
+        ${WAMR_RUNTIME_LIB_SOURCE}
+        ${UNCOMMON_SHARED_SOURCE}
+        ${SRC_LIST}
+        )
+
+# Now simply link against gtest or gtest_main as needed. Eg
+add_executable(wasm_running_modes_test ${unit_test_sources})
+
+target_link_libraries(wasm_running_modes_test ${LLVM_AVAILABLE_LIBS} gtest_main)
+
+gtest_discover_tests(wasm_running_modes_test)