wasm-bindgen/crates/js-sys/tests/wasm/Iterator.js

exports.get_iterable = () => ["one", "two", "three"];

exports.get_not_iterable = () => new Object;

exports.get_symbol_iterator_throws = () => ({
  [Symbol.iterator]: () => { throw new Error("nope"); },
});

exports.get_symbol_iterator_not_function = () => ({
  [Symbol.iterator]: 5,
});

exports.get_symbol_iterator_returns_not_object = () => ({
  [Symbol.iterator]: () => 5,
});

exports.get_symbol_iterator_returns_object_without_next = () => ({
  [Symbol.iterator]: () => new Object,
});