extern crate test_support; #[test] fn works() { test_support::project() .file("src/lib.rs", r#" #![feature(proc_macro, wasm_custom_section)] extern crate wasm_bindgen; use wasm_bindgen::prelude::*; #[wasm_bindgen] pub fn foo() -> JsValue { JsValue::from("foo") } #[wasm_bindgen] pub fn bar(s: &str) -> JsValue { JsValue::from(s) } #[wasm_bindgen] pub fn baz() -> JsValue { JsValue::from(1.0) } #[wasm_bindgen] pub fn baz2(a: &JsValue, b: &JsValue) { assert_eq!(a.as_f64(), Some(2.0)); assert_eq!(b.as_f64(), None); } #[wasm_bindgen] pub fn js_null() -> JsValue { JsValue::null() } #[wasm_bindgen] pub fn js_undefined() -> JsValue { JsValue::undefined() } #[wasm_bindgen] pub fn test_is_null_undefined( a: &JsValue, b: &JsValue, c: &JsValue, ) { assert!(a.is_null()); assert!(!a.is_undefined()); assert!(!b.is_null()); assert!(b.is_undefined()); assert!(!c.is_null()); assert!(!c.is_undefined()); } #[wasm_bindgen] pub fn get_true() -> JsValue { JsValue::from(true) } #[wasm_bindgen] pub fn get_false() -> JsValue { JsValue::from(false) } #[wasm_bindgen] pub fn test_bool( a: &JsValue, b: &JsValue, c: &JsValue, ) { assert_eq!(a.as_bool(), Some(true)); assert_eq!(b.as_bool(), Some(false)); assert_eq!(c.as_bool(), None); } #[wasm_bindgen] pub fn mk_symbol() -> JsValue { let a = JsValue::symbol(None); assert!(a.is_symbol()); return a } #[wasm_bindgen] pub fn mk_symbol2(s: &str) -> JsValue { let a = JsValue::symbol(Some(s)); assert!(a.is_symbol()); return a } #[wasm_bindgen] pub fn assert_symbols(a: &JsValue, b: &JsValue) { assert!(a.is_symbol()); assert!(!b.is_symbol()); } #[wasm_bindgen] pub fn acquire_string(a: &JsValue, b: &JsValue) { assert_eq!(a.as_string().unwrap(), "foo"); assert_eq!(b.as_string(), None); } #[wasm_bindgen] pub fn acquire_string2(a: &JsValue) -> String { a.as_string().unwrap_or("wrong".to_string()) } "#) .file("test.ts", r#" import * as assert from "assert"; import * as wasm from "./out"; export function test() { assert.strictEqual(wasm.foo(), 'foo'); assert.strictEqual(wasm.bar('a'), 'a'); assert.strictEqual(wasm.baz(), 1); wasm.baz2(2, 'a'); assert.strictEqual(wasm.js_null(), null); assert.strictEqual(wasm.js_undefined(), undefined); wasm.test_is_null_undefined(null, undefined, 1.0); assert.strictEqual(wasm.get_true(), true); assert.strictEqual(wasm.get_false(), false); wasm.test_bool(true, false, 1.0); assert.strictEqual(typeof(wasm.mk_symbol()), 'symbol'); assert.strictEqual(typeof(wasm.mk_symbol2('a')), 'symbol'); assert.strictEqual((Symbol as any).keyFor(wasm.mk_symbol()), undefined); assert.strictEqual((Symbol as any).keyFor(wasm.mk_symbol2('b')), undefined); wasm.assert_symbols((Symbol as any)(), 'a'); wasm.acquire_string('foo', null) assert.strictEqual(wasm.acquire_string2(''), ''); assert.strictEqual(wasm.acquire_string2('a'), 'a'); } "#) .test(); }