platform checking

src/Main.js

@@ -1,3 +1,8 @@
+const util = require("./Util");
+
+util.checkNodeVersion();
+util.checkPlatform();
+
 module.exports = {
   name: require("../package.json").name,
   version: require("../package.json").version,

test.js

@@ -1,5 +1,6 @@
 const test = require("ava");
 const nodeUfw = require("./src/Main");
+const nodeUfwUtil = require("./src/Util");
 
 test("exceeded port", async (t) => {
   await t.throwsAsync(async () => {
@@ -40,3 +41,9 @@ test("sfw disabled", async (t) => {
 test("sfw enabled", async (t) => {
   t.true(await nodeUfw.enable());
 });
+
+test("check version", async (t) => {
+  t.true(nodeUfwUtil.checkNodeVersion());
+  t.true(nodeUfwUtil.checkPlatform());
+  t.true(await nodeUfwUtil.checkPlatformExact());
+});