/
no-mixed-operators.js
158 lines (152 loc) · 5.59 KB
/
no-mixed-operators.js
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/**
* @fileoverview Tests for no-mixed-operators rule.
* @author Toru Nagashima
*/
"use strict";
//------------------------------------------------------------------------------
// Requirements
//------------------------------------------------------------------------------
const rule = require("../../../lib/rules/no-mixed-operators"),
{ RuleTester } = require("../../../lib/rule-tester");
//------------------------------------------------------------------------------
// Tests
//------------------------------------------------------------------------------
const ruleTester = new RuleTester();
ruleTester.run("no-mixed-operators", rule, {
valid: [
"a && b && c && d",
"a || b || c || d",
"(a || b) && c && d",
"a || (b && c && d)",
"(a || b || c) && d",
"a || b || (c && d)",
"a + b + c + d",
"a * b * c * d",
"a == 0 && b == 1",
"a == 0 || b == 1",
{
code: "(a == 0) && (b == 1)",
options: [{ groups: [["&&", "=="]] }]
},
{
code: "a + b - c * d / e",
options: [{ groups: [["&&", "||"]] }]
},
"a + b - c",
"a * b / c",
{
code: "a + b - c",
options: [{ allowSamePrecedence: true }]
},
{
code: "a * b / c",
options: [{ allowSamePrecedence: true }]
},
{
code: "(a || b) ? c : d",
options: [{ groups: [["&&", "||", "?:"]] }]
},
{
code: "a || (b ? c : d)",
options: [{ groups: [["&&", "||", "?:"]] }]
},
"a || (b ? c : d)",
"(a || b) ? c : d",
"a || b ? c : d"
],
invalid: [
{
code: "a && b || c",
errors: [
{ column: 3, endColumn: 5, message: "Unexpected mix of '&&' and '||'." },
{ column: 8, endColumn: 10, message: "Unexpected mix of '&&' and '||'." }
]
},
{
code: "a && b > 0 || c",
options: [{ groups: [["&&", "||", ">"]] }],
errors: [
{ column: 3, message: "Unexpected mix of '&&' and '||'." },
{ column: 3, message: "Unexpected mix of '&&' and '>'." },
{ column: 8, message: "Unexpected mix of '&&' and '>'." },
{ column: 12, message: "Unexpected mix of '&&' and '||'." }
]
},
{
code: "a && b > 0 || c",
options: [{ groups: [["&&", "||"]] }],
errors: [
{ column: 3, message: "Unexpected mix of '&&' and '||'." },
{ column: 12, message: "Unexpected mix of '&&' and '||'." }
]
},
{
code: "a && b + c - d / e || f",
options: [{ groups: [["&&", "||"], ["+", "-", "*", "/"]] }],
errors: [
{ column: 3, message: "Unexpected mix of '&&' and '||'." },
{ column: 12, message: "Unexpected mix of '-' and '/'." },
{ column: 16, message: "Unexpected mix of '-' and '/'." },
{ column: 20, message: "Unexpected mix of '&&' and '||'." }
]
},
{
code: "a && b + c - d / e || f",
options: [{ groups: [["&&", "||"], ["+", "-", "*", "/"]], allowSamePrecedence: true }],
errors: [
{ column: 3, message: "Unexpected mix of '&&' and '||'." },
{ column: 12, message: "Unexpected mix of '-' and '/'." },
{ column: 16, message: "Unexpected mix of '-' and '/'." },
{ column: 20, message: "Unexpected mix of '&&' and '||'." }
]
},
{
code: "a + b - c",
options: [{ allowSamePrecedence: false }],
errors: [
{ column: 3, endColumn: 4, message: "Unexpected mix of '+' and '-'." },
{ column: 7, endColumn: 8, message: "Unexpected mix of '+' and '-'." }
]
},
{
code: "a * b / c",
options: [{ allowSamePrecedence: false }],
errors: [
{ column: 3, endColumn: 4, message: "Unexpected mix of '*' and '/'." },
{ column: 7, endColumn: 8, message: "Unexpected mix of '*' and '/'." }
]
},
{
code: "a || b ? c : d",
options: [{ groups: [["&&", "||", "?:"]] }],
errors: [
{ column: 3, endColumn: 5, message: "Unexpected mix of '||' and '?:'." },
{ column: 8, endColumn: 9, message: "Unexpected mix of '||' and '?:'." }
]
},
{
code: "a && b ? 1 : 2",
options: [{ groups: [["&&", "||", "?:"]] }],
errors: [
{ column: 3, endColumn: 5, message: "Unexpected mix of '&&' and '?:'." },
{ column: 8, endColumn: 9, message: "Unexpected mix of '&&' and '?:'." }
]
},
{
code: "x ? a && b : 0",
options: [{ groups: [["&&", "||", "?:"]] }],
errors: [
{ column: 3, endColumn: 4, message: "Unexpected mix of '?:' and '&&'." },
{ column: 7, endColumn: 9, message: "Unexpected mix of '?:' and '&&'." }
]
},
{
code: "x ? 0 : a && b",
options: [{ groups: [["&&", "||", "?:"]] }],
errors: [
{ column: 3, endColumn: 4, message: "Unexpected mix of '?:' and '&&'." },
{ column: 11, endColumn: 13, message: "Unexpected mix of '?:' and '&&'." }
]
}
]
});