test(mem-alloc): add test runner and stubs

Create basic test infrastructure with helper functions.
Fix INTERP setting and add include directories for ems headers.

Author: lum1n0us

tests/unit/mem-alloc/CMakeLists.txt

@@ -11,7 +11,7 @@ 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_INTERP 1)
 set(WAMR_BUILD_JIT 0)
 set(WAMR_BUILD_LIBC_WASI 0)
 set(WAMR_BUILD_APP_FRAMEWORK 0)
@@ -27,6 +27,12 @@ set(TEST_SOURCES
 # Create test executable
 add_executable(mem-alloc-test ${TEST_SOURCES})
 
+# Add include directories for mem-alloc internals
+target_include_directories(mem-alloc-test PRIVATE
+  ${WAMR_ROOT_DIR}/core/shared/mem-alloc
+  ${WAMR_ROOT_DIR}/core/shared/mem-alloc/ems
+)
+
 # Link dependencies
 target_link_libraries(mem-alloc-test cmocka::cmocka m)
 

tests/unit/mem-alloc/mem_alloc_test.c

@@ -0,0 +1,35 @@
+/*
+ * Copyright (C) 2019 Intel Corporation.  All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+ */
+
+#include <stdarg.h>
+#include <stddef.h>
+#include <setjmp.h>
+#include <stdint.h>
+#include <string.h>
+#include <cmocka.h>
+
+#if WAMR_BUILD_TEST != 1
+    #error "WAMR_BUILD_TEST must be defined as 1"
+#endif
+
+#include "mem_alloc.h"
+#include "ems_gc_internal.h"
+
+/* Test helper: Check if pointer is aligned */
+static inline bool
+is_aligned(void *ptr, size_t alignment)
+{
+    return ((uintptr_t)ptr % alignment) == 0;
+}
+
+/* Test helper: Check if allocation is aligned (has magic value) */
+static inline bool
+is_aligned_allocation(gc_object_t obj)
+{
+    uint32_t *magic_ptr = (uint32_t *)((char *)obj - 4);
+    return ((*magic_ptr & ALIGNED_ALLOC_MAGIC_MASK) == ALIGNED_ALLOC_MAGIC_VALUE);
+}
+
+/* Tests will be added incrementally */

tests/unit/mem-alloc/test_runner.c

@@ -0,0 +1,23 @@
+/*
+ * Copyright (C) 2019 Intel Corporation.  All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+ */
+
+#include <stdarg.h>
+#include <stddef.h>
+#include <setjmp.h>
+#include <stdint.h>
+#include <cmocka.h>
+
+/* Include test implementations */
+#include "mem_alloc_test.c"
+
+int
+main(void)
+{
+    const struct CMUnitTest tests[] = {
+        /* Tests will be added incrementally */
+    };
+
+    return cmocka_run_group_tests(tests, NULL, NULL);
+}