/
no-extra-label.js
153 lines (146 loc) · 5.7 KB
/
no-extra-label.js
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/**
* @fileoverview Tests for no-extra-label rule.
* @author Toru Nagashima
*/
"use strict";
//------------------------------------------------------------------------------
// Requirements
//------------------------------------------------------------------------------
const rule = require("../../../lib/rules/no-extra-label"),
{ RuleTester } = require("../../../lib/rule-tester");
//------------------------------------------------------------------------------
// Tests
//------------------------------------------------------------------------------
const ruleTester = new RuleTester();
ruleTester.run("no-extra-label", rule, {
valid: [
"A: break A;",
"A: { if (a) break A; }",
"A: { while (b) { break A; } }",
"A: { switch (b) { case 0: break A; } }",
"A: while (a) { while (b) { break; } break; }",
"A: while (a) { while (b) { break A; } }",
"A: while (a) { while (b) { continue A; } }",
"A: while (a) { switch (b) { case 0: break A; } }",
"A: while (a) { switch (b) { case 0: continue A; } }",
"A: switch (a) { case 0: while (b) { break A; } }",
"A: switch (a) { case 0: switch (b) { case 0: break A; } }",
"A: for (;;) { while (b) { break A; } }",
"A: do { switch (b) { case 0: break A; break; } } while (a);",
"A: for (a in obj) { while (b) { break A; } }",
{ code: "A: for (a of ary) { switch (b) { case 0: break A; } }", parserOptions: { ecmaVersion: 6 } }
],
invalid: [
{
code: "A: while (a) break A;",
output: "A: while (a) break;",
errors: [{ messageId: "unexpected", data: { name: "A" } }]
},
{
code: "A: while (a) { B: { continue A; } }",
output: "A: while (a) { B: { continue; } }",
errors: [{ messageId: "unexpected", data: { name: "A" } }]
},
{
code: "X: while (x) { A: while (a) { B: { break A; break B; continue X; } } }",
output: "X: while (x) { A: while (a) { B: { break; break B; continue X; } } }",
errors: [{ messageId: "unexpected", data: { name: "A" } }]
},
{
code: "A: do { break A; } while (a);",
output: "A: do { break; } while (a);",
errors: [{ messageId: "unexpected", data: { name: "A" } }]
},
{
code: "A: for (;;) { break A; }",
output: "A: for (;;) { break; }",
errors: [{ messageId: "unexpected", data: { name: "A" } }]
},
{
code: "A: for (a in obj) { break A; }",
output: "A: for (a in obj) { break; }",
errors: [{ messageId: "unexpected", data: { name: "A" } }]
},
{
code: "A: for (a of ary) { break A; }",
output: "A: for (a of ary) { break; }",
parserOptions: { ecmaVersion: 6 },
errors: [{ messageId: "unexpected", data: { name: "A" } }]
},
{
code: "A: switch (a) { case 0: break A; }",
output: "A: switch (a) { case 0: break; }",
errors: [{ messageId: "unexpected", data: { name: "A" } }]
},
{
code: "X: while (x) { A: switch (a) { case 0: break A; } }",
output: "X: while (x) { A: switch (a) { case 0: break; } }",
errors: [{ messageId: "unexpected", data: { name: "A" } }]
},
{
code: "X: switch (a) { case 0: A: while (b) break A; }",
output: "X: switch (a) { case 0: A: while (b) break; }",
errors: [{ messageId: "unexpected", data: { name: "A" } }]
},
{
code: `\
A: while (true) {
break A;
while (true) {
break A;
}
}
`,
output: `\
A: while (true) {
break;
while (true) {
break A;
}
}
`,
errors: [{ messageId: "unexpected", data: { name: "A" }, type: "Identifier", line: 2 }]
},
// Should not autofix if it would remove comments
{
code: "A: while(true) { /*comment*/break A; }",
output: "A: while(true) { /*comment*/break; }",
errors: [{ messageId: "unexpected", data: { name: "A" } }]
},
{
code: "A: while(true) { break/**/ A; }",
output: null,
errors: [{ messageId: "unexpected", data: { name: "A" } }]
},
{
code: "A: while(true) { continue /**/ A; }",
output: null,
errors: [{ messageId: "unexpected", data: { name: "A" } }]
},
{
code: "A: while(true) { break /**/A; }",
output: null,
errors: [{ messageId: "unexpected", data: { name: "A" } }]
},
{
code: "A: while(true) { continue/**/A; }",
output: null,
errors: [{ messageId: "unexpected", data: { name: "A" } }]
},
{
code: "A: while(true) { continue A/*comment*/; }",
output: "A: while(true) { continue/*comment*/; }",
errors: [{ messageId: "unexpected", data: { name: "A" } }]
},
{
code: "A: while(true) { break A//comment\n }",
output: "A: while(true) { break//comment\n }",
errors: [{ messageId: "unexpected", data: { name: "A" } }]
},
{
code: "A: while(true) { break A/*comment*/\nfoo() }",
output: "A: while(true) { break/*comment*/\nfoo() }",
errors: [{ messageId: "unexpected", data: { name: "A" } }]
}
]
});