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LibJS: Handle escaped keywords in more cases and handle 'await' labels

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davidot 2021-09-18 23:02:50 +02:00 • committed by Linus Groh
parent 79caca8ca2
commit 4428e494b0
3 changed files with 53 additions and 10 deletions
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22
Userland/Libraries/LibJS/Tests/labels.js
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@ -110,6 +110,28 @@ test("can use certain 'keywords' as labels", () => {
expect(`const: { break const; }`).not.toEval();
});
test("can use certain 'keywords' even in strict mode", () => {
"use strict";
let i = 0;
await: {
i++;
break await;
expect().fail();
}
async: {
i++;
break async;
expect().fail();
}
expect(i).toBe(2);
expect(`'use strict'; let: { break let; }`).not.toEval();
expect(`'use strict'; l\u0065t: { break l\u0065t; }`).not.toEval();
});
test("invalid label usage", () => {
expect(() =>
eval(`