mirror of
https://github.com/rustwasm/wasm-bindgen.git
synced 2024-12-17 06:21:36 +03:00
43 lines
1.1 KiB
Rust
43 lines
1.1 KiB
Rust
use js_sys::*;
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use wasm_bindgen::prelude::*;
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use wasm_bindgen_test::*;
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#[wasm_bindgen(module = "tests/wasm/Iterator.js")]
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extern "C" {
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fn get_iterable() -> JsValue;
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fn get_not_iterable() -> JsValue;
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fn get_symbol_iterator_throws() -> JsValue;
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fn get_symbol_iterator_not_function() -> JsValue;
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fn get_symbol_iterator_returns_not_object() -> JsValue;
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fn get_symbol_iterator_returns_object_without_next() -> JsValue;
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}
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#[wasm_bindgen_test]
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fn try_iter_handles_iteration_protocol() {
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assert_eq!(
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try_iter(&get_iterable())
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.unwrap()
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.unwrap()
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.map(|x| x.unwrap().as_string().unwrap())
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.collect::<Vec<_>>(),
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vec!["one", "two", "three"]
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);
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assert!(try_iter(&get_not_iterable()).unwrap().is_none());
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assert!(try_iter(&get_symbol_iterator_throws()).is_err());
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assert!(try_iter(&get_symbol_iterator_not_function())
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.unwrap()
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.is_none());
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assert!(try_iter(&get_symbol_iterator_returns_not_object())
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.unwrap()
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.is_none());
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assert!(try_iter(&get_symbol_iterator_returns_object_without_next())
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.unwrap()
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.is_none());
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}
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