wasm-bindgen/tests/all/closures.rs
Alex Crichton 656d69816d Move all tests to the same suite
Nowadays the compile times are mitigated with incremental compilation and
otherwise it's much more ergonomic to run only one test if they're all in the
same suite.
2018-04-09 15:32:06 -07:00

330 lines
9.6 KiB
Rust

use super::project;
#[test]
fn works() {
project()
.file("src/lib.rs", r#"
#![feature(proc_macro, wasm_custom_section, wasm_import_module)]
extern crate wasm_bindgen;
use std::cell::Cell;
use wasm_bindgen::prelude::*;
#[wasm_bindgen(module = "./test")]
extern {
fn call(a: &Fn());
fn thread(a: &Fn(u32) -> u32) -> u32;
}
#[wasm_bindgen]
pub fn run() {
let a = Cell::new(false);
call(&|| a.set(true));
assert!(a.get());
assert_eq!(thread(&|a| a + 1), 3);
}
"#)
.file("test.ts", r#"
import { run } from "./out";
export function call(a: any) {
a();
}
export function thread(a: any) {
return a(2);
}
export function test() {
run();
}
"#)
.test();
}
#[test]
fn cannot_reuse() {
project()
.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 call(a: &Fn());
#[wasm_bindgen(catch)]
fn call_again() -> Result<(), JsValue>;
}
#[wasm_bindgen]
pub fn run() {
call(&|| {});
assert!(call_again().is_err());
}
"#)
.file("test.ts", r#"
import { run } from "./out";
let CACHE: any = null;
export function call(a: any) {
CACHE = a;
}
export function call_again() {
CACHE();
}
export function test() {
run();
}
"#)
.test();
}
#[test]
fn long_lived() {
project()
.file("src/lib.rs", r#"
#![feature(proc_macro, wasm_custom_section, wasm_import_module)]
extern crate wasm_bindgen;
use std::cell::Cell;
use std::rc::Rc;
use wasm_bindgen::prelude::*;
#[wasm_bindgen(module = "./test")]
extern {
fn call1(a: &Closure<Fn()>);
fn call2(a: &Closure<FnMut(u32) -> u32>) -> u32;
}
#[wasm_bindgen]
pub fn run() {
let hit = Rc::new(Cell::new(false));
let hit2 = hit.clone();
let a = Closure::new(move || hit2.set(true));
assert!(!hit.get());
call1(&a);
assert!(hit.get());
let hit = Rc::new(Cell::new(false));
{
let hit = hit.clone();
let a = Closure::new(move |x| {
hit.set(true);
x + 3
});
assert_eq!(call2(&a), 5);
}
assert!(hit.get());
}
"#)
.file("test.ts", r#"
import { run } from "./out";
export function call1(a: any) {
a();
}
export function call2(a: any) {
return a(2);
}
export function test() {
run();
}
"#)
.test();
}
#[test]
fn many_arity() {
project()
.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 call1(a: &Closure<Fn()>);
fn call2(a: &Closure<Fn(u32)>);
fn call3(a: &Closure<Fn(u32, u32)>);
fn call4(a: &Closure<Fn(u32, u32, u32)>);
fn call5(a: &Closure<Fn(u32, u32, u32, u32)>);
fn call6(a: &Closure<Fn(u32, u32, u32, u32, u32)>);
fn call7(a: &Closure<Fn(u32, u32, u32, u32, u32, u32)>);
fn call8(a: &Closure<Fn(u32, u32, u32, u32, u32, u32, u32)>);
#[wasm_bindgen(js_name = call1)]
fn stack1(a: &Fn());
#[wasm_bindgen(js_name = call2)]
fn stack2(a: &Fn(u32));
#[wasm_bindgen(js_name = call3)]
fn stack3(a: &Fn(u32, u32));
#[wasm_bindgen(js_name = call4)]
fn stack4(a: &Fn(u32, u32, u32));
#[wasm_bindgen(js_name = call5)]
fn stack5(a: &Fn(u32, u32, u32, u32));
#[wasm_bindgen(js_name = call6)]
fn stack6(a: &Fn(u32, u32, u32, u32, u32));
#[wasm_bindgen(js_name = call7)]
fn stack7(a: &Fn(u32, u32, u32, u32, u32, u32));
#[wasm_bindgen(js_name = call8)]
fn stack8(a: &Fn(u32, u32, u32, u32, u32, u32, u32));
}
#[wasm_bindgen]
pub fn run() {
call1(&Closure::new(|| {}));
call2(&Closure::new(|a| assert_eq!(a, 1)));
call3(&Closure::new(|a, b| assert_eq!((a, b), (1, 2))));
call4(&Closure::new(|a, b, c| assert_eq!((a, b, c), (1, 2, 3))));
call5(&Closure::new(|a, b, c, d| {
assert_eq!((a, b, c, d), (1, 2, 3, 4))
}));
call6(&Closure::new(|a, b, c, d, e| {
assert_eq!((a, b, c, d, e), (1, 2, 3, 4, 5))
}));
call7(&Closure::new(|a, b, c, d, e, f| {
assert_eq!((a, b, c, d, e, f), (1, 2, 3, 4, 5, 6))
}));
call8(&Closure::new(|a, b, c, d, e, f, g| {
assert_eq!((a, b, c, d, e, f, g), (1, 2, 3, 4, 5, 6, 7))
}));
stack1(&(|| {}));
stack2(&(|a| assert_eq!(a, 1)));
stack3(&(|a, b| assert_eq!((a, b), (1, 2))));
stack4(&(|a, b, c| assert_eq!((a, b, c), (1, 2, 3))));
stack5(&(|a, b, c, d| {
assert_eq!((a, b, c, d), (1, 2, 3, 4))
}));
stack6(&(|a, b, c, d, e| {
assert_eq!((a, b, c, d, e), (1, 2, 3, 4, 5))
}));
stack7(&(|a, b, c, d, e, f| {
assert_eq!((a, b, c, d, e, f), (1, 2, 3, 4, 5, 6))
}));
stack8(&(|a, b, c, d, e, f, g| {
assert_eq!((a, b, c, d, e, f, g), (1, 2, 3, 4, 5, 6, 7))
}));
}
"#)
.file("test.ts", r#"
import { run } from "./out";
export function call1(a: any) { a() }
export function call2(a: any) { a(1) }
export function call3(a: any) { a(1, 2) }
export function call4(a: any) { a(1, 2, 3) }
export function call5(a: any) { a(1, 2, 3, 4) }
export function call6(a: any) { a(1, 2, 3, 4, 5) }
export function call7(a: any) { a(1, 2, 3, 4, 5, 6) }
export function call8(a: any) { a(1, 2, 3, 4, 5, 6, 7) }
export function test() {
run();
}
"#)
.test();
}
#[test]
fn long_lived_dropping() {
project()
.file("src/lib.rs", r#"
#![feature(proc_macro, wasm_custom_section, wasm_import_module)]
extern crate wasm_bindgen;
use std::cell::Cell;
use std::rc::Rc;
use wasm_bindgen::prelude::*;
#[wasm_bindgen(module = "./test")]
extern {
fn cache(a: &Closure<Fn()>);
#[wasm_bindgen(catch)]
fn call() -> Result<(), JsValue>;
}
#[wasm_bindgen]
pub fn run() {
let hit = Rc::new(Cell::new(false));
let hit2 = hit.clone();
let a = Closure::new(move || hit2.set(true));
cache(&a);
assert!(!hit.get());
assert!(call().is_ok());
assert!(hit.get());
drop(a);
assert!(call().is_err());
}
"#)
.file("test.ts", r#"
import { run } from "./out";
let CACHE: any = null;
export function cache(a: any) { CACHE = a; }
export function call() { CACHE() }
export function test() {
run();
}
"#)
.test();
}
#[test]
fn long_fnmut_recursive() {
project()
.file("src/lib.rs", r#"
#![feature(proc_macro, wasm_custom_section, wasm_import_module)]
extern crate wasm_bindgen;
use std::cell::Cell;
use wasm_bindgen::prelude::*;
#[wasm_bindgen(module = "./test")]
extern {
fn cache(a: &Closure<FnMut()>);
#[wasm_bindgen(catch)]
fn call() -> Result<(), JsValue>;
}
#[wasm_bindgen]
pub fn run() {
let a = Closure::new(|| {
assert!(call().is_err());
});
cache(&a);
assert!(call().is_ok());
}
"#)
.file("test.ts", r#"
import { run } from "./out";
let CACHE: any = null;
export function cache(a: any) { CACHE = a; }
export function call() { CACHE() }
export function test() {
run();
}
"#)
.test();
}