1 files changed, 52 insertions, 0 deletions
diff --git a/test/addons-napi/common.h b/test/addons-napi/common.h
new file mode 100644
index 0000000000..b06ece6e39
--- /dev/null
+++ b/test/addons-napi/common.h
@@ -0,0 +1,52 @@
+// Empty value so that macros here are able to return NULL or void
+#define NAPI_RETVAL_NOTHING  // Intentionally blank #define
+
+#define GET_AND_THROW_LAST_ERROR(env)                                    \
+  do {                                                                   \
+    bool is_pending;                                                     \
+    napi_is_exception_pending((env), &is_pending);                       \
+    /* If an exception is already pending, don't rethrow it */           \
+    if (!is_pending) {                                                   \
+      const napi_extended_error_info* error_info;                        \
+      napi_get_last_error_info((env), &error_info);                      \
+      const char* error_message = error_info->error_message != NULL ?    \
+        error_info->error_message :                                      \
+        "empty error message";                                           \
+      napi_throw_error((env), error_message);                            \
+    }                                                                    \
+  } while(0);
+
+#define NAPI_ASSERT_BASE(env, assertion, message, ret_val)               \
+  if (!(assertion)) {                                                    \
+    napi_throw_error(                                                    \
+        (env),                                                           \
+        "assertion (" #assertion ") failed: " message);                  \
+    return ret_val;                                                      \
+  }
+
+// Returns NULL on failed assertion.
+// This is meant to be used inside napi_callback methods.
+#define NAPI_ASSERT(env, assertion, message)                             \
+  NAPI_ASSERT_BASE(env, assertion, message, NULL)
+
+// Returns empty on failed assertion.
+// This is meant to be used inside functions with void return type.
+#define NAPI_ASSERT_RETURN_VOID(env, assertion, message)                 \
+  NAPI_ASSERT_BASE(env, assertion, message, NAPI_RETVAL_NOTHING)
+
+#define NAPI_CALL_BASE(env, the_call, ret_val)                           \
+  if ((the_call) != napi_ok) {                                           \
+    GET_AND_THROW_LAST_ERROR((env));                                     \
+    return ret_val;                                                      \
+  }
+
+// Returns NULL if the_call doesn't return napi_ok.
+#define NAPI_CALL(env, the_call)                                         \
+  NAPI_CALL_BASE(env, the_call, NULL)
+
+// Returns empty if the_call doesn't return napi_ok.
+#define NAPI_CALL_RETURN_VOID(env, the_call)                             \
+  NAPI_CALL_BASE(env, the_call, NAPI_RETVAL_NOTHING)
+
+#define DECLARE_NAPI_PROPERTY(name, func)                                \
+  { (name), 0, (func), 0, 0, 0, napi_default, 0 }