extern crate test_support; #[test] fn works() { test_support::project() .node(true) .file("src/lib.rs", r#" #![feature(proc_macro, wasm_custom_section, wasm_import_module)] extern crate wasm_bindgen; use wasm_bindgen::prelude::*; #[wasm_bindgen(module = "./test")] extern { fn hit(); } #[wasm_bindgen] pub fn run() { hit(); } #[wasm_bindgen] pub struct Foo { contents: u32, } #[wasm_bindgen] impl Foo { pub fn new() -> Foo { Foo::with_contents(0) } pub fn with_contents(a: u32) -> Foo { Foo { contents: a } } pub fn add(&mut self, amt: u32) -> u32 { self.contents += amt; self.contents } } #[wasm_bindgen] pub enum Color { Green, Yellow, Red, } #[wasm_bindgen] pub fn cycle(color: Color) -> Color { match color { Color::Green => Color::Yellow, Color::Yellow => Color::Red, Color::Red => Color::Green, } } "#) .file("test.js", r#" const assert = require('assert'); var called = false; module.exports.hit = function() { called = true; }; const { run, Foo, Color, cycle } = require('./out'); module.exports.test = function() { run(); assert.strictEqual(called, true); var r = Foo.new(); assert.strictEqual(r.add(0), 0); assert.strictEqual(r.add(1), 1); assert.strictEqual(r.add(2), 3); r.free(); var r2 = Foo.with_contents(10); assert.strictEqual(r2.add(0), 10); assert.strictEqual(r2.add(1), 11); assert.strictEqual(r2.add(2), 13); r2.free(); assert.strictEqual(Color.Green, 0); assert.strictEqual(Color.Yellow, 1); assert.strictEqual(Color.Red, 2); assert.strictEqual(Object.keys(Color).length, 3); assert.strictEqual(cycle(Color.Green), Color.Yellow); }; "#) .test(); }