/* Any copyright is dedicated to the Public Domain. * http://creativecommons.org/publicdomain/zero/1.0/ */ "use strict"; // ------------------------------------------------------------------------------ // Requirements // ------------------------------------------------------------------------------ var rule = require("../lib/rules/no-compare-against-boolean-literals"); var RuleTester = require("eslint").RuleTester; const ruleTester = new RuleTester({ parserOptions: { ecmaVersion: "latest" } }); // ------------------------------------------------------------------------------ // Tests // ------------------------------------------------------------------------------ function callError() { return [{ messageId: "noCompareBoolean", type: "BinaryExpression" }]; } ruleTester.run("no-compare-against-boolean-literals", rule, { valid: [`if (!foo) {}`, `if (!!foo) {}`], invalid: [ { code: `if (foo == true) {}`, errors: callError(), }, { code: `if (foo != true) {}`, errors: callError(), }, { code: `if (foo == false) {}`, errors: callError(), }, { code: `if (foo != false) {}`, errors: callError(), }, { code: `if (true == foo) {}`, errors: callError(), }, { code: `if (true != foo) {}`, errors: callError(), }, { code: `if (false == foo) {}`, errors: callError(), }, { code: `if (false != foo) {}`, errors: callError(), }, ], });