pve-eslint/eslint/tests/lib/rules/no-label-var.js

/**
 * @fileoverview Tests for no-label-var rule.
 * @author Ian Christian Myers
 */

"use strict";

//------------------------------------------------------------------------------
// Requirements
//------------------------------------------------------------------------------

const rule = require("../../../lib/rules/no-label-var"),
    { RuleTester } = require("../../../lib/rule-tester");

//------------------------------------------------------------------------------
// Tests
//------------------------------------------------------------------------------

const ruleTester = new RuleTester();

ruleTester.run("no-label-var", rule, {
    valid: [
        "function bar() { q: for(;;) { break q; } } function foo () { var q = t; }",
        "function bar() { var x = foo; q: for(;;) { break q; } }"
    ],
    invalid: [
        {
            code: "var x = foo; function bar() { x: for(;;) { break x; } }",
            errors: [{
                messageId: "identifierClashWithLabel",
                type: "LabeledStatement"
            }]
        },
        {
            code: "function bar() { var x = foo; x: for(;;) { break x; } }",
            errors: [{
                messageId: "identifierClashWithLabel",
                type: "LabeledStatement"
            }]
        },
        {
            code: "function bar(x) { x: for(;;) { break x; } }",
            errors: [{
                messageId: "identifierClashWithLabel",
                type: "LabeledStatement"
            }]
        }
    ]
});