ladybird/Libraries/LibJS/Tests/object-expression-computed-property.js
Linus Groh bc78e4b7da LibJS: Fix PropertyName::from_value() for negative and non-int numbers
It was converting *any* number to an i32 index, which obviously is not
correct for negative ints, doubles, infinity and nan.

Fixes #3712.
2020-10-08 10:02:47 +02:00

12 lines
338 B
JavaScript

test("Issue #3712, negative/non-int computed property in object expression", () => {
const o = {
[1.23]: "foo",
[-1]: "foo",
[NaN]: "foo",
[Infinity]: "foo",
};
expect(o[1.23]).toBe("foo");
expect(o[-1]).toBe("foo");
expect(o[NaN]).toBe("foo");
expect(o[Infinity]).toBe("foo");
});