/
multiline-comment-style.js
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/
multiline-comment-style.js
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/**
* @fileoverview enforce a particular style for multiline comments
* @author Teddy Katz
*/
"use strict";
//------------------------------------------------------------------------------
// Requirements
//------------------------------------------------------------------------------
const rule = require("../../../lib/rules/multiline-comment-style");
const { RuleTester } = require("../../../lib/rule-tester");
//------------------------------------------------------------------------------
// Tests
//------------------------------------------------------------------------------
const ruleTester = new RuleTester();
ruleTester.run("multiline-comment-style", rule, {
valid: [
`
/*
* this is
* a comment
*/
`,
`
/**
* this is
* a JSDoc comment
*/
`,
`
/* eslint semi: [
"error"
] */
`,
`
// this is a single-line comment
`,
`
/* foo */
`,
`
// this is a comment
foo();
// this is another comment
`,
`
/*
* Function overview
* ...
*/
// Step 1: Do the first thing
foo();
`,
`
/*
* Function overview
* ...
*/
/*
* Step 1: Do the first thing.
* The first thing is foo().
*/
foo();
`,
"\t\t/**\n\t\t * this comment\n\t\t * is tab-aligned\n\t\t */",
"/**\r\n * this comment\r\n * uses windows linebreaks\r\n */",
"/**\u2029 * this comment\u2029 * uses paragraph separators\u2029 */",
`
foo(/* this is an
inline comment */);
`,
`
// The following line comment
// contains '*/'.
`,
{
code: `
// The following line comment
// contains '*/'.
`,
options: ["bare-block"]
},
{
code: `
/*
* this is
* a comment
*/
`,
options: ["starred-block"]
},
{
code: `
/**
* this is
* a JSDoc comment
*/
`,
options: ["starred-block"]
},
{
code: `
/* eslint semi: [
"error"
] */
`,
options: ["starred-block"]
},
{
code: `
// this is a single-line comment
`,
options: ["starred-block"]
},
{
code: `
/* foo */
`,
options: ["starred-block"]
},
{
code: `
// this is
// a comment
`,
options: ["separate-lines"]
},
{
code: `
/* this is
a comment */ foo;
`,
options: ["separate-lines"]
},
{
code: `
// a comment
// another comment
`,
options: ["separate-lines"]
},
{
code: `
// a comment
// another comment
`,
options: ["bare-block"]
},
{
code: `
// a comment
// another comment
`,
options: ["starred-block"]
},
{
code: `
/* eslint semi: "error" */
`,
options: ["separate-lines"]
},
{
code: `
/**
* This is
* a JSDoc comment
*/
`,
options: ["separate-lines"]
},
{
code: `
/**
* This is
* a JSDoc comment
*/
`,
options: ["starred-block"]
},
{
code: `
/**
* This is
* a JSDoc comment
*/
`,
options: ["bare-block"]
},
{
code: `
/* This is
a comment */
`,
options: ["bare-block"]
},
{
code: `
/* This is
a comment */
`,
options: ["bare-block"]
},
{
code: `
/* eslint semi: [
"error"
] */
`,
options: ["separate-lines"]
},
{
code: `
/* The value of 5
+ 4 is 9, and the value of 5
* 4 is 20. */
`,
options: ["bare-block"]
}
],
invalid: [
{
code: `
// these are
// line comments
`,
output: `
/*
* these are
* line comments
*/
`,
errors: [{ messageId: "expectedBlock", line: 2 }]
},
{
code: `
//foo
///bar
`,
output: null,
errors: [{ messageId: "expectedBlock", line: 2 }]
},
{
code: `
// foo
// bar
// baz
// qux
`,
output: `
/*
* foo
* bar
*/
/*
* baz
* qux
*/
`,
errors: [{ messageId: "expectedBlock", line: 2 }, { messageId: "expectedBlock", line: 5 }]
},
{
code: `
/* this block
* is missing a newline at the start
*/
`,
output: `
/*
* this block
* is missing a newline at the start
*/
`,
errors: [{ messageId: "startNewline", line: 2 }]
},
{
code: `
/** this JSDoc comment
* is missing a newline at the start
*/
`,
output: `
/**
* this JSDoc comment
* is missing a newline at the start
*/
`,
errors: [{ messageId: "startNewline", line: 2 }]
},
{
code: `
/*
* this block
* is missing a newline at the end*/
`,
output: `
/*
* this block
* is missing a newline at the end
*/
`,
errors: [{ messageId: "endNewline", line: 4 }]
},
{
code: `
/*
* the following line
is missing a '*' at the start
*/
`,
output: `
/*
* the following line
* is missing a '*' at the start
*/
`,
errors: [{ messageId: "missingStar", line: 4 }]
},
{
code: `
/*
* the following line
* has a '*' with the wrong offset at the start
*/
`,
output: `
/*
* the following line
* has a '*' with the wrong offset at the start
*/
`,
errors: [{ messageId: "alignment", line: 4 }]
},
{
code: `
/*
* the following line
* has a '*' with the wrong offset at the start
*/
`,
output: `
/*
* the following line
* has a '*' with the wrong offset at the start
*/
`,
errors: [{ messageId: "alignment", line: 4 }]
},
{
code: `
/*
* the last line of this comment
* is misaligned
*/
`,
output: `
/*
* the last line of this comment
* is misaligned
*/
`,
errors: [{ messageId: "alignment", line: 5 }]
},
{
code: `
/*
* the following line
*
* is blank
*/
`,
output: `
/*
* the following line
*
* is blank
*/
`,
errors: [{ messageId: "alignment", line: 4 }]
},
{
code: `
/*
* the following line
*
* is blank
*/
`,
output: `
/*
* the following line
*
* is blank
*/
`,
errors: [{ messageId: "alignment", line: 4 }]
},
{
code: `
/*
* the last line of this comment
* is misaligned
*/ foo
`,
output: `
/*
* the last line of this comment
* is misaligned
*/ foo
`,
errors: [{ messageId: "alignment", line: 5 }]
},
{
code: `
/*
* foo
* bar
*/
`,
output: `
// foo
// bar
`,
options: ["separate-lines"],
errors: [{ messageId: "expectedLines", line: 2 }]
},
{
code: `
/* foo
*bar
baz
qux*/
`,
output: `
// foo
// bar
// baz
// qux
`,
options: ["separate-lines"],
errors: [{ messageId: "expectedLines", line: 2 }]
},
{
code: `
// foo
// bar
`,
output: `
/* foo
bar */
`,
options: ["bare-block"],
errors: [{ messageId: "expectedBlock", line: 2 }]
},
{
code: `
/*
* foo
* bar
*/
`,
output: `
/* foo
bar */
`,
options: ["bare-block"],
errors: [{ messageId: "expectedBareBlock", line: 2 }]
}
]
});