Upload Kmake

test/parallel/test-eslint-async-iife-no-unused-result.js

@@ -0,0 +1,48 @@
+'use strict';
+const common = require('../common');
+if ((!common.hasCrypto) || (!common.hasIntl)) {
+  common.skip('ESLint tests require crypto and Intl');
+}
+common.skipIfEslintMissing();
+
+const RuleTester = require('../../tools/eslint/node_modules/eslint').RuleTester;
+const rule = require('../../tools/eslint-rules/async-iife-no-unused-result');
+
+const message = 'The result of an immediately-invoked async function needs ' +
+  'to be used (e.g. with `.then(common.mustCall())`)';
+
+const tester = new RuleTester();
+tester.run('async-iife-no-unused-result', rule, {
+  valid: [
+    '(() => {})()',
+    '(async () => {})',
+    '(async () => {})().then()',
+    '(async () => {})().catch()',
+    '(function () {})()',
+    '(async function () {})',
+    '(async function () {})().then()',
+    '(async function () {})().catch()',
+  ],
+  invalid: [
+    {
+      code: '(async () => {})()',
+      errors: [{ message }],
+    },
+    {
+      code: '(async function() {})()',
+      errors: [{ message }],
+    },
+    {
+      code: "const common = require('../common');(async () => {})()",
+      errors: [{ message }],
+      output: "const common = require('../common');(async () => {})()" +
+        '.then(common.mustCall())',
+    },
+    {
+      code: "const common = require('../common');(async function() {})()",
+      errors: [{ message }],
+      output: "const common = require('../common');(async function() {})()" +
+        '.then(common.mustCall())',
+    },
+  ]
+});