test(mem-alloc): add test infrastructure

Add CMocka support and mem-alloc test subdirectory.

Author: lum1n0us

tests/unit/CMakeLists.txt

@@ -73,6 +73,21 @@ endif()
 set(gtest_force_shared_crt ON CACHE BOOL "" FORCE)
 FetchContent_MakeAvailable(googletest)
 
+# Fetch CMocka for C unit tests
+if(${CMAKE_VERSION} VERSION_GREATER_EQUAL "3.24")
+  FetchContent_Declare(
+    cmocka
+    URL https://git.cryptomilk.org/projects/cmocka.git/snapshot/cmocka-2.0.1.tar.gz
+    DOWNLOAD_EXTRACT_TIMESTAMP ON
+  )
+else()
+  FetchContent_Declare(
+    cmocka
+    URL https://git.cryptomilk.org/projects/cmocka.git/snapshot/cmocka-2.0.1.tar.gz
+  )
+endif()
+FetchContent_MakeAvailable(cmocka)
+
 include(GoogleTest)
 enable_testing()
 
@@ -90,6 +105,7 @@ add_subdirectory(unsupported-features)
 add_subdirectory(smart-tests)
 add_subdirectory(exception-handling)
 add_subdirectory(running-modes)
+add_subdirectory(mem-alloc)
 
 if(WAMR_BUILD_TARGET STREQUAL "X86_64")
   add_subdirectory(aot-stack-frame)

tests/unit/mem-alloc/CMakeLists.txt

@@ -0,0 +1,35 @@
+# 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-mem-alloc)
+
+# Enable test build flag
+add_definitions(-DWAMR_BUILD_TEST=1)
+
+# Test-specific feature configuration
+set(WAMR_BUILD_AOT 0)
+set(WAMR_BUILD_FAST_INTERP 0)
+set(WAMR_BUILD_INTERP 0)
+set(WAMR_BUILD_JIT 0)
+set(WAMR_BUILD_LIBC_WASI 0)
+set(WAMR_BUILD_APP_FRAMEWORK 0)
+
+include(../unit_common.cmake)
+
+# Test source files
+set(TEST_SOURCES
+  test_runner.c
+  ${WAMR_RUNTIME_LIB_SOURCE}
+)
+
+# Create test executable
+add_executable(mem-alloc-test ${TEST_SOURCES})
+
+# Link dependencies
+target_link_libraries(mem-alloc-test cmocka::cmocka m)
+
+# Add to ctest
+add_test(NAME mem-alloc-test COMMAND mem-alloc-test)
+set_tests_properties(mem-alloc-test PROPERTIES TIMEOUT 60)