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function test() {
const array = [1];
for (let i = 0; i < 10; i++) {
assertEq(array[0], 1);
assertEq(array[0.0], 1);
assertEq(array[-0.0], 1);
// ToPropertyKey(-0.0) is "0", but "-0" is distinct!
assertEq(array["-0"], undefined);
}
const string = "a";
for (let i = 0; i < 10; i++) {
assertEq(string[0], "a");
assertEq(string[0.0], "a");
assertEq(string[-0.0], "a");
assertEq(string["-0"], undefined);
}
}
test();