/
no-unsafe-negation.js
60 lines (54 loc) · 1.64 KB
/
no-unsafe-negation.js
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
/**
* @fileoverview Tests for no-unsafe-negation rule.
* @author Toru Nagashima
*/
"use strict";
//------------------------------------------------------------------------------
// Requirements
//------------------------------------------------------------------------------
const rule = require("../../../lib/rules/no-unsafe-negation"),
{ RuleTester } = require("../../../lib/rule-tester");
//------------------------------------------------------------------------------
// Tests
//------------------------------------------------------------------------------
const ruleTester = new RuleTester();
const unexpectedInError = { messageId: "unexpected", data: { operator: "in" } };
const unexpectedInstanceofError = { messageId: "unexpected", data: { operator: "instanceof" } };
ruleTester.run("no-unsafe-negation", rule, {
valid: [
"a in b",
"a in b === false",
"!(a in b)",
"(!a) in b",
"a instanceof b",
"a instanceof b === false",
"!(a instanceof b)",
"(!a) instanceof b"
],
invalid: [
{
code: "!a in b",
errors: [unexpectedInError]
},
{
code: "(!a in b)",
errors: [unexpectedInError]
},
{
code: "!(a) in b",
errors: [unexpectedInError]
},
{
code: "!a instanceof b",
errors: [unexpectedInstanceofError]
},
{
code: "(!a instanceof b)",
errors: [unexpectedInstanceofError]
},
{
code: "!(a) instanceof b",
errors: [unexpectedInstanceofError]
}
]
});