forked from mirrors/gecko-dev
5c7cdbd4ba
# ignore-this-changeset Differential Revision: https://phabricator.services.mozilla.com/D35940 --HG-- extra : source : d214f0c82813e5a8d3987debc490a2c11f1308ff
61 lines
1.6 KiB
JavaScript
61 lines
1.6 KiB
JavaScript
/* Any copyright is dedicated to the Public Domain.
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* http://creativecommons.org/publicdomain/zero/1.0/ */
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"use strict";
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// ------------------------------------------------------------------------------
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// Requirements
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// ------------------------------------------------------------------------------
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var rule = require("../lib/rules/no-compare-against-boolean-literals");
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var RuleTester = require("eslint/lib/testers/rule-tester");
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const ruleTester = new RuleTester({ parserOptions: { ecmaVersion: 6 } });
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// ------------------------------------------------------------------------------
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// Tests
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// ------------------------------------------------------------------------------
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function callError(message) {
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return [{ message, type: "BinaryExpression" }];
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}
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const MESSAGE = "Don't compare for inexact equality against boolean literals";
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ruleTester.run("no-compare-against-boolean-literals", rule, {
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valid: [`if (!foo) {}`, `if (!!foo) {}`],
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invalid: [
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{
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code: `if (foo == true) {}`,
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errors: callError(MESSAGE),
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},
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{
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code: `if (foo != true) {}`,
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errors: callError(MESSAGE),
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},
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{
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code: `if (foo == false) {}`,
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errors: callError(MESSAGE),
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},
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{
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code: `if (foo != false) {}`,
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errors: callError(MESSAGE),
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},
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{
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code: `if (true == foo) {}`,
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errors: callError(MESSAGE),
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},
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{
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code: `if (true != foo) {}`,
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errors: callError(MESSAGE),
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},
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{
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code: `if (false == foo) {}`,
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errors: callError(MESSAGE),
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},
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{
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code: `if (false != foo) {}`,
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errors: callError(MESSAGE),
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},
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],
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});
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