use super::project; #[test] fn simple() { project() .file( "src/lib.rs", r#" #![feature(use_extern_macros, wasm_custom_section, wasm_import_module)] extern crate wasm_bindgen; use wasm_bindgen::prelude::*; #[wasm_bindgen(module = "./test")] extern { fn foo(s: &JsValue); } #[wasm_bindgen] pub fn bar(s: &JsValue) { foo(s); } "#, ) .file( "test.js", r#" import * as wasm from "./out"; import * as assert from "assert"; let ARG = null; export function foo(s) { assert.strictEqual(ARG, null); ARG = s; } export function test() { assert.strictEqual(ARG, null); let sym = Symbol('test'); wasm.bar(sym); assert.strictEqual(ARG, sym); } "#, ) .test(); } #[test] fn owned() { project() .file( "src/lib.rs", r#" #![feature(use_extern_macros, wasm_custom_section, wasm_import_module)] extern crate wasm_bindgen; use wasm_bindgen::prelude::*; #[wasm_bindgen(module = "./test")] extern { fn foo(s: JsValue); } #[wasm_bindgen] pub fn bar(s: JsValue) { foo(s); } "#, ) .file( "test.js", r#" import * as wasm from "./out"; import * as assert from "assert"; let ARG = null; export function foo(s) { assert.strictEqual(ARG, null); ARG = s; } export function test() { assert.strictEqual(ARG, null); let sym = Symbol('test'); wasm.bar(sym); assert.strictEqual(ARG, sym); } "#, ) .test(); } #[test] fn clone() { project() .file( "src/lib.rs", r#" #![feature(use_extern_macros, wasm_custom_section, wasm_import_module)] extern crate wasm_bindgen; use wasm_bindgen::prelude::*; #[wasm_bindgen(module = "./test")] extern { fn foo1(s: JsValue); fn foo2(s: &JsValue); fn foo3(s: JsValue); fn foo4(s: &JsValue); fn foo5(s: JsValue); } #[wasm_bindgen] pub fn bar(s: JsValue) { foo1(s.clone()); foo2(&s); foo3(s.clone()); foo4(&s); foo5(s); } "#, ) .file( "test.js", r#" import * as wasm from "./out"; import * as assert from "assert"; let ARG = Symbol('test'); export function foo1(s) { assert.strictEqual(s, ARG); } export function foo2(s) { assert.strictEqual(s, ARG); } export function foo3(s) { assert.strictEqual(s, ARG); } export function foo4(s) { assert.strictEqual(s, ARG); } export function foo5(s) { assert.strictEqual(s, ARG); } export function test() { wasm.bar(ARG); } "#, ) .test(); } #[test] fn promote() { project() .file( "src/lib.rs", r#" #![feature(use_extern_macros, wasm_custom_section, wasm_import_module)] extern crate wasm_bindgen; use wasm_bindgen::prelude::*; #[wasm_bindgen(module = "./test")] extern { fn foo1(s: &JsValue); fn foo2(s: JsValue); fn foo3(s: &JsValue); fn foo4(s: JsValue); } #[wasm_bindgen] pub fn bar(s: &JsValue) { foo1(s); foo2(s.clone()); foo3(s); foo4(s.clone()); } "#, ) .file( "test.js", r#" import * as wasm from "./out"; import * as assert from "assert"; let ARG = Symbol('test'); export function foo1(s) { assert.strictEqual(s, ARG); } export function foo2(s) { assert.strictEqual(s, ARG); } export function foo3(s) { assert.strictEqual(s, ARG); } export function foo4(s) { assert.strictEqual(s, ARG); } export function test() { wasm.bar(ARG); } "#, ) .test(); } #[test] fn returning_vector() { project() .file( "src/lib.rs", r#" #![feature(use_extern_macros, wasm_custom_section, wasm_import_module)] extern crate wasm_bindgen; use wasm_bindgen::prelude::*; #[wasm_bindgen(module = "./test")] extern { fn foo() -> JsValue; } #[wasm_bindgen] pub fn bar() -> Vec { let mut res = Vec::new(); for _ in 0..10 { res.push(foo()) } res } "#, ) .file( "test.js", r#" import * as wasm from "./out"; import * as assert from "assert"; export function foo() { return { "foo": "bar" }; } export function test() { const result = wasm.bar(); assert.strictEqual(result.length, 10); } "#, ) .test(); } #[test] fn another_vector_return() { project() .file( "src/lib.rs", r#" #![feature(use_extern_macros, wasm_custom_section, wasm_import_module)] extern crate wasm_bindgen; use wasm_bindgen::prelude::*; #[wasm_bindgen] pub fn get_array() -> Vec { vec![ JsValue::from(1), JsValue::from(2), JsValue::from(3), JsValue::from(4), JsValue::from(5), JsValue::from(6), ] } "#, ) .file( "test.js", r#" import { get_array } from "./out"; import * as assert from "assert"; export function test() { assert.deepStrictEqual(get_array(), [1, 2, 3, 4, 5, 6]); } "#, ) .test(); } #[test] fn serde() { project() .serde(true) .depend("serde = '1.0'") .depend("serde_derive = '1.0'") .file( "src/lib.rs", r#" #![feature(use_extern_macros, wasm_custom_section, wasm_import_module)] extern crate wasm_bindgen; #[macro_use] extern crate serde_derive; use wasm_bindgen::prelude::*; #[derive(Deserialize, Serialize)] pub struct Foo { a: u32, b: String, c: Option, d: Bar, } #[derive(Deserialize, Serialize)] pub struct Bar { a: u32, } #[wasm_bindgen(module = "./test")] extern { fn verify(a: JsValue) -> JsValue; } #[wasm_bindgen] pub fn run() { let js = JsValue::from_serde("foo").unwrap(); assert_eq!(js.as_string(), Some("foo".to_string())); let ret = verify(JsValue::from_serde(&Foo { a: 0, b: "foo".to_string(), c: None, d: Bar { a: 1 }, }).unwrap()); let foo = ret.into_serde::().unwrap(); assert_eq!(foo.a, 2); assert_eq!(foo.b, "bar"); assert!(foo.c.is_some()); assert_eq!(foo.c.as_ref().unwrap().a, 3); assert_eq!(foo.d.a, 4); } #[wasm_bindgen] pub fn parse(j: &JsValue) { let s = j.into_serde::().unwrap(); assert_eq!(s, "bar"); } "#, ) .file( "test.js", r#" import { run, parse } from "./out"; import * as assert from "assert"; export function verify(a) { assert.deepStrictEqual(a, { a: 0, b: 'foo', c: null, d: { a: 1 } }); return { a: 2, b: 'bar', c: { a: 3 }, d: { a: 4 }, } } export function test() { run(); parse('bar'); } "#, ) .test(); }