mirrors/ladybird
0
0
Fork 0
mirror of https://github.com/LadybirdBrowser/ladybird.git synced 2025-08-22 10:19:20 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 9

LibJS: Allow conversion from Symbol to String via explicit String() call

Browse source 
https://tc39.es/ecma262/#sec-string-constructor-string-value has an
explicit special case for Symbols allowing this:

    If NewTarget is undefined and Type(value) is Symbol,
    return SymbolDescriptiveString(value).
This commit is contained in:
Nico Weber 2020-08-21 21:41:43 -04:00 • committed by Andreas Kling
commit ebd510ef5e
Notes: sideshowbarker 2024-07-19 03:19:09 +09:00
2 changed files with 6 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

6
Libraries/LibJS/Tests/builtins/Symbol/Symbol.prototype.toString.js
View file

@ -1,10 +1,12 @@
describe("correct behavior", () => {
test("basic functionality", () => {
const s1 = Symbol("baz");
// const s2 = Symbol.for("qux");
const s2 = Symbol.for("qux");
// Explicit conversions to string are fine, but implicit toString via concatenation throws.
expect(s1.toString()).toBe("Symbol(baz)");
// expect(s2.toString()).toBe("Symbol(qux)");
expect(String(s1)).toBe("Symbol(baz)");
expect(s2.toString()).toBe("Symbol(qux)");
});
});