wasm-bindgen/tests/all/node.rs

use super::project;

#[test]
fn works() {
    project()
        .debug(false)
        .nodejs_experimental_modules(false)
        .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 {
                    static FOO: JsValue;
                    fn hit();
                }

                #[wasm_bindgen]
                pub fn run() {
                    hit();
                    assert_eq!(FOO.as_f64(), Some(1.0));
                }

                #[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,
                    }
                }

                #[wasm_bindgen]
                pub fn math(a: f32, b: f64) -> f64 {
                    b.acos() +
                        b.asin() +
                        b.atan() +
                        b.atan2(b) +
                        b.cbrt() +
                        b.cosh() +
                        b.exp_m1() +
                        b.ln_1p() +
                        b.sinh() +
                        b.tan() +
                        b.tanh() +
                        b.hypot(b) +
                        b.cos() +
                        b.exp() +
                        b.exp2() +
                        b.mul_add(b, b) +
                        b.ln() +
                        b.log(b) +
                        b.log10() +
                        b.log2() +
                        b.powi(8) +
                        b.powf(b) +
                        b.round() +
                        b.sin() +
                        b.abs() +
                        b.signum() +
                        b.floor() +
                        b.ceil() +
                        b.trunc() +
                        b.sqrt() +
                        (b % (a as f64)) +
                        ((a.cos() +
                        a.exp() +
                        a.exp2() +
                        a.mul_add(a, a) +
                        a.ln() +
                        a.log(a) +
                        a.log10() +
                        a.log2() +
                        a.powi(8) +
                        a.powf(a) +
                        a.round() +
                        a.sin() +
                        a.abs() +
                        a.signum() +
                        a.floor() +
                        a.ceil() +
                        a.trunc() +
                        a.sqrt() +
                        (a % (b as f32))) as f64) +
                        (b + 2.0f64.powf(a as f64))
                }
            "#,
        )
        .file(
            "test.js",
            r#"
                const assert = require('assert');

                var called = false;

                module.exports.hit = function() {
                    called = true;
                };

                module.exports.FOO = 1.0;

                const { math, 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);

                    math(1.0, 2.0);
                };
            "#,
        )
        .test();
}