#![allow(non_snake_case)] use project; #[test] fn char_at() { project() .file("src/lib.rs", r#" #![feature(proc_macro, wasm_custom_section)] extern crate wasm_bindgen; use wasm_bindgen::prelude::*; use wasm_bindgen::js; #[wasm_bindgen] pub fn string_char_at(this: &js::JsString, index: u32) -> js::JsString { this.char_at(index) } "#) .file("test.ts", r#" import * as assert from "assert"; import * as wasm from "./out"; var anyString = 'Brave new world'; export function test() { assert.equal(wasm.string_char_at(anyString, 0), "B"); assert.equal(wasm.string_char_at(anyString, 999), ""); } "#) .test() } #[test] fn slice() { project() .file("src/lib.rs", r#" #![feature(proc_macro, wasm_custom_section)] extern crate wasm_bindgen; use wasm_bindgen::prelude::*; use wasm_bindgen::js; #[wasm_bindgen] pub fn create_slice(this: &js::JsString, start: u32, end: u32) -> js::JsString { this.slice(start, end) } "#) .file("test.ts", r#" import * as assert from "assert"; import * as wasm from "./out"; export function test() { let characters = "acxn18"; let subset = wasm.create_slice(characters, 1, 3); assert.equal(subset, "cx"); } "#) .test() }