restore test_null_init test

Author: vmoroz

test/node-api/test_null_init/binding.gyp

@@ -0,0 +1,8 @@
+{
+  'targets': [
+    {
+      'target_name': 'test_null_init',
+      'sources': [ 'test_null_init.c' ]
+    }
+  ]
+}

test/node-api/test_null_init/test.js

@@ -0,0 +1,7 @@
+'use strict';
+const common = require('../../common');
+const assert = require('assert');
+
+assert.throws(
+  () => require(`./build/${common.buildType}/test_null_init`),
+  /Module has no declared entry point[.]/);

test/node-api/test_null_init/test_null_init.c

@@ -0,0 +1,47 @@
+#include <node_api.h>
+
+#if defined(_MSC_VER)
+#if defined(__cplusplus)
+#define NAPI_C_CTOR(fn)                                                        \
+  static void NAPI_CDECL fn(void);                                             \
+  namespace {                                                                  \
+  struct fn##_ {                                                               \
+    fn##_() { fn(); }                                                          \
+  } fn##_v_;                                                                   \
+  }                                                                            \
+  static void NAPI_CDECL fn(void)
+#else  // !defined(__cplusplus)
+#pragma section(".CRT$XCU", read)
+// The NAPI_C_CTOR macro defines a function fn that is called during CRT
+// initialization.
+// C does not support dynamic initialization of static variables and this code
+// simulates C++ behavior. Exporting the function pointer prevents it from being
+// optimized. See for details:
+// https://docs.microsoft.com/en-us/cpp/c-runtime-library/crt-initialization?view=msvc-170
+#define NAPI_C_CTOR(fn)                                                        \
+  static void NAPI_CDECL fn(void);                                             \
+  __declspec(dllexport, allocate(".CRT$XCU")) void(NAPI_CDECL * fn##_)(void) = \
+      fn;                                                                      \
+  static void NAPI_CDECL fn(void)
+#endif  // defined(__cplusplus)
+#else
+#define NAPI_C_CTOR(fn)                                                        \
+  static void fn(void) __attribute__((constructor));                           \
+  static void fn(void)
+#endif
+
+#define NAPI_MODULE_TEST(modname, regfunc)                                     \
+  EXTERN_C_START                                                               \
+  static napi_module _module = {                                               \
+      NAPI_MODULE_VERSION,                                                     \
+      0,                                                                       \
+      __FILE__,                                                                \
+      regfunc,                                                                 \
+      #modname,                                                                \
+      NULL,                                                                    \
+      {0},                                                                     \
+  };                                                                           \
+  NAPI_C_CTOR(_register_##modname) { napi_module_register(&_module); }         \
+  EXTERN_C_END
+
+NAPI_MODULE_TEST(NODE_GYP_MODULE_NAME, NULL)