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LibJS: Handle symbol PropertyName in primitive assignment error

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We can't just to_string() the PropertyName, it might be a symbol.
Instead to_value() it and then use to_string_without_side_effects() as
usual.

Fixes #4062.
This commit is contained in:
Linus Groh 2020-11-12 10:32:46 +00:00 • committed by Andreas Kling
commit 5a307836c1
Notes: sideshowbarker 2024-07-19 01:25:33 +09:00
2 changed files with 4 additions and 1 deletions
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3
Libraries/LibJS/Tests/strict-mode-errors.js
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@ -5,5 +5,8 @@ test("basic functionality", () => {
expect(() => {
primitive.foo = "bar";
}).toThrowWithMessage(TypeError, "Cannot assign property foo to primitive value");
expect(() => {
primitive[Symbol.hasInstance] = 123;
}).toThrowWithMessage(TypeError, "Cannot assign property Symbol(Symbol.hasInstance) to primitive value");
});
});