mirror of
https://github.com/fluencelabs/wasm-bindgen
synced 2025-03-16 18:20:51 +00:00
Port Generator
tests to wasm
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parent
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commit
067de51e57
@ -1,146 +0,0 @@
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#![allow(non_snake_case)]
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use project;
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#[test]
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fn return_() {
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project()
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.file(
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"src/lib.rs",
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r#"
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#![feature(use_extern_macros)]
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extern crate wasm_bindgen;
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extern crate js_sys;
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use wasm_bindgen::prelude::*;
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#[wasm_bindgen]
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pub fn gen_return(this: &js_sys::Generator, value: &JsValue) -> JsValue {
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this.return_(value)
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}
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"#,
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)
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.file(
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"test.js",
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r#"
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import * as assert from "assert";
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import * as wasm from "./out";
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export function test() {
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function* generator() {
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yield 1;
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yield 2;
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}
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const gen = generator();
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gen.next();
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const res = wasm.gen_return(gen, 42);
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assert.deepEqual(res, { value: 42, done: true });
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const next = gen.next();
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assert.deepEqual(next, { value: undefined, done: true });
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}
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"#,
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)
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.test()
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}
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#[test]
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fn next() {
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project()
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.file(
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"src/lib.rs",
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r#"
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#![feature(use_extern_macros)]
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extern crate wasm_bindgen;
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extern crate js_sys;
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use wasm_bindgen::prelude::*;
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#[wasm_bindgen]
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pub fn next(this: &js_sys::Generator, value: &JsValue) -> JsValue {
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this.next(value)
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.ok()
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.expect("generator throws an error")
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}
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#[wasm_bindgen]
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pub fn next_throws_error(this: &js_sys::Generator, value: &JsValue) -> bool {
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this.next(value).is_err()
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}
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"#,
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)
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.file(
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"test.js",
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r#"
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import * as assert from "assert";
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import * as wasm from "./out";
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export function test() {
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function* generator() {
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const reply = yield '2 * 2';
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return reply === 4;
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}
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const gen = generator();
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const q = wasm.next(gen, undefined);
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assert.deepEqual(q, { value: '2 * 2', done: false });
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const a = wasm.next(gen, 4);
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assert.deepEqual(a, { value: true, done: true });
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function* brokenGenerator() {
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throw new Error('Something went wrong');
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yield 1;
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}
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assert.ok(wasm.next_throws_error(brokenGenerator(), undefined));
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}
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"#,
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)
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.test()
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}
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#[test]
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fn throw() {
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project()
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.file(
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"src/lib.rs",
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r#"
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#![feature(use_extern_macros)]
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extern crate wasm_bindgen;
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extern crate js_sys;
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use wasm_bindgen::prelude::*;
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#[wasm_bindgen]
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pub fn gen_throws_error(this: &js_sys::Generator, error: &js_sys::Error) -> bool {
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this.throw(error).is_err()
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}
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"#,
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)
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.file(
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"test.js",
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r#"
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import * as assert from "assert";
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import * as wasm from "./out";
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export function test() {
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function* generator() {
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yield 1;
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yield 2;
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}
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const gen = generator();
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gen.next();
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assert.ok(wasm.gen_throws_error(gen, new Error('Something went wrong')));
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assert.deepEqual(gen.next(), { value: undefined, done: true });
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}
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"#,
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)
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.test()
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}
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@ -11,7 +11,6 @@ fn project() -> project_builder::Project {
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// Keep these tests in alphabetical order, just like the imports in `src/js.rs`.
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mod ArrayIterator;
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mod Generator;
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mod Intl;
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mod JsString;
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mod Map;
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@ -25,7 +25,7 @@ fn apply() {
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let arr = JsValue::from(Array::new());
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let args = Array::new();
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args.push(1.into());
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ARRAY_PROTOTYPE.push().apply(&arr, &args);
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ARRAY_PROTOTYPE.push().apply(&arr, &args).unwrap();
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assert_eq!(Array::from(arr).length(), 1);
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}
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23
crates/js-sys/tests/wasm/Generator.js
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23
crates/js-sys/tests/wasm/Generator.js
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@ -0,0 +1,23 @@
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exports.one_two_generator = function() {
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function* generator() {
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yield 1;
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yield 2;
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}
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return generator();
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};
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exports.dummy_generator = function() {
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function* generator() {
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const reply = yield '2 * 2';
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return reply === 4;
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}
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return generator();
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};
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exports.broken_generator = function() {
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function* brokenGenerator() {
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throw new Error('Something went wrong');
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yield 1;
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}
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return brokenGenerator();
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};
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58
crates/js-sys/tests/wasm/Generator.rs
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58
crates/js-sys/tests/wasm/Generator.rs
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use wasm_bindgen::prelude::*;
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use wasm_bindgen_test::*;
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use js_sys::*;
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#[wasm_bindgen(module = "tests/wasm/Generator.js", version = "*")]
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extern {
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fn one_two_generator() -> Generator;
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fn dummy_generator() -> Generator;
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fn broken_generator() -> Generator;
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type GeneratorResult;
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#[wasm_bindgen(method, getter, structural)]
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fn value(this: &GeneratorResult) -> JsValue;
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#[wasm_bindgen(method, getter, structural)]
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fn done(this: &GeneratorResult) -> bool;
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}
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#[wasm_bindgen_test]
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fn return_() {
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let gen = one_two_generator();
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gen.next(&JsValue::undefined()).unwrap();
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let res = GeneratorResult::from(gen.return_(&42.into()));
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assert_eq!(res.value(), 42);
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assert!(res.done());
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let next = GeneratorResult::from(gen.next(&JsValue::undefined()).unwrap());
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assert!(next.value().is_undefined());
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assert!(next.done());
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}
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#[wasm_bindgen_test]
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fn next() {
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let gen = dummy_generator();
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let result = GeneratorResult::from(gen.next(&JsValue::undefined()).unwrap());
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assert!(!result.done());
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assert_eq!(result.value(), "2 * 2");
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let result = GeneratorResult::from(gen.next(&4.into()).unwrap());
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assert!(result.done());
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assert_eq!(result.value(), true);
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assert!(broken_generator().next(&3.into()).is_err());
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}
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#[wasm_bindgen_test]
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fn throw() {
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let gen = one_two_generator();
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gen.next(&JsValue::undefined()).unwrap();
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assert!(gen.throw(&Error::new(&"something went wrong".into())).is_err());
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let next = GeneratorResult::from(gen.next(&JsValue::undefined()).unwrap());
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assert!(next.value().is_undefined());
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assert!(next.done());
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}
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pub mod Date;
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pub mod Error;
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pub mod Function;
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pub mod Generator;
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