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wasm-bindgen/tests/all/slice.rs
Alex Crichton efa4a2b8fa
Speed up Travis by running Webpack in fewer tests (#381) 
* Reorganize Travis configuration

* Add a `JOB` env var descriptor to all matrix entries. Not used anywhere but is
  useful when viewing the whole build on Travis's web interface.
* Reorganize where builds are located, moving slow builds first and fast ones
  last.
* Change checking the CLI builds from `cargo build` to `cargo check`
* Use YAML references to reduce some duplication

* Print some more timing statistics for each test

* Extract `Project` helper in tests to a module

This'll help make it a bit more extensible over time. At the same time the
methods are also slightly reorganized to read more clearly from top to bottom.

* Migrate all tests away from Webpack

Wepback can take a significant amount of time to execute and when it's
multiplied by hundreds of tests that adds up really quickly! After investigating
Node's `--experimental-modules` option it looks like it's suitable for our use
so this switches all tests to using JS files (moving away from TypeScript as
well) with `--experimental-modules` with Node.

Tests will be selectively re-enabled with webpack and node.js specific output
(that doesn't require `--experimental-modules`), coming in later commits.

* Restore the node test for node.js output

Ensures it's workable as-is

* Only generate typescript with webpack

* Only read wasm files for webpack

* Skip package.json/node_modules for now

* Only generate webpack config if needed

* Start a dedicated test module for typescript

Will hopefully verify the generated Typescript compiles OK.

* Remove unneeded `node` method

* Fixup some rebase conflicts

* Don't run asmjs example on travis

* Fixup generator tests

* Attempt to fix windows

* Comment windows fix

* More test fixes

* More exclusions

* More test fixes

* Relax eslint regex

Catch mjs modules as well

* Fix eslint

* Speed up travis on examples slightly
2018-07-04 22:37:09 -05:00

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use super::project;
#[test]
fn export() {
project()
.file(
"src/lib.rs",
r#"
#![feature(proc_macro, wasm_custom_section)]
extern crate wasm_bindgen;
use wasm_bindgen::prelude::*;
macro_rules! doit {
($($i:ident)*) => ($(
#[wasm_bindgen]
pub fn $i(a: &[$i]) -> Vec<$i> {
assert_eq!(a.len(), 2);
assert_eq!(a[0], 1 as $i);
assert_eq!(a[1], 2 as $i);
a.to_vec()
}
)*)
}
doit! { i8 u8 i16 u16 i32 u32 f32 f64 }
"#,
)
.file(
"test.js",
r#"
import * as assert from "assert";
import * as wasm from "./out";
function assert_arrays_equal(a, b) {
console.log(a, b);
assert.strictEqual(a.length, b.length);
assert.strictEqual(a.byteLength, b.byteLength);
for (let i = 0; i < a.length; i++) {
assert.strictEqual(a[i], b[i]);
}
}
export function test() {
const i8 = new Int8Array(2);
i8[0] = 1;
i8[1] = 2;
assert_arrays_equal(wasm.i8(i8), i8);
const u8 = new Uint8Array(2);
u8[0] = 1;
u8[1] = 2;
assert_arrays_equal(wasm.u8(u8), u8);
const i16 = new Int16Array(2);
i16[0] = 1;
i16[1] = 2;
assert_arrays_equal(wasm.i16(i16), i16);
const u16 = new Uint16Array(2);
u16[0] = 1;
u16[1] = 2;
assert_arrays_equal(wasm.u16(u16), u16);
const i32 = new Int32Array(2);
i32[0] = 1;
i32[1] = 2;
wasm.i32(i32);
assert_arrays_equal(wasm.i32(i32), i32);
const u32 = new Uint32Array(2);
u32[0] = 1;
u32[1] = 2;
assert_arrays_equal(wasm.u32(u32), u32);
const f32 = new Float32Array(2);
f32[0] = 1;
f32[1] = 2;
assert_arrays_equal(wasm.f32(f32), f32);
const f64 = new Float64Array(2);
f64[0] = 1;
f64[1] = 2;
assert_arrays_equal(wasm.f64(f64), f64);
}
"#,
)
.test();
}
#[test]
fn import() {
project()
.file(
"src/lib.rs",
r#"
#![feature(proc_macro, wasm_custom_section, wasm_import_module)]
extern crate wasm_bindgen;
use wasm_bindgen::prelude::*;
macro_rules! doit {
($(($rust:ident, $js:ident, $i:ident))*) => ($(
#[wasm_bindgen(module = "./test")]
extern {
fn $js(a: &[$i]) -> Vec<$i>;
}
#[wasm_bindgen]
pub fn $rust(a: &[$i]) -> Vec<$i> {
assert_eq!(a.len(), 2);
assert_eq!(a[0], 1 as $i);
assert_eq!(a[1], 2 as $i);
$js(a)
}
)*)
}
doit! {
(rust_i8, js_i8, i8)
(rust_u8, js_u8, u8)
(rust_i16, js_i16, i16)
(rust_u16, js_u16, u16)
(rust_i32, js_i32, i32)
(rust_u32, js_u32, u32)
(rust_f32, js_f32, f32)
(rust_f64, js_f64, f64)
}
"#,
)
.file(
"test.js",
r#"
import * as assert from "assert";
import * as wasm from "./out";
export function js_i8(a) {
assert.strictEqual(a.length, 2);
assert.strictEqual(a[0], 1);
assert.strictEqual(a[1], 2);
return a;
}
export function js_u8(a) {
assert.strictEqual(a.length, 2);
assert.strictEqual(a[0], 1);
assert.strictEqual(a[1], 2);
return a;
}
export function js_i16(a) {
assert.strictEqual(a.length, 2);
assert.strictEqual(a[0], 1);
assert.strictEqual(a[1], 2);
return a;
}
export function js_u16(a) {
assert.strictEqual(a.length, 2);
assert.strictEqual(a[0], 1);
assert.strictEqual(a[1], 2);
return a;
}
export function js_i32(a) {
assert.strictEqual(a.length, 2);
assert.strictEqual(a[0], 1);
assert.strictEqual(a[1], 2);
return a;
}
export function js_u32(a) {
assert.strictEqual(a.length, 2);
assert.strictEqual(a[0], 1);
assert.strictEqual(a[1], 2);
return a;
}
export function js_f32(a) {
assert.strictEqual(a.length, 2);
assert.strictEqual(a[0], 1);
assert.strictEqual(a[1], 2);
return a;
}
export function js_f64(a) {
assert.strictEqual(a.length, 2);
assert.strictEqual(a[0], 1);
assert.strictEqual(a[1], 2);
return a;
}
function assert_arrays_equal(a, b) {
console.log(a, b);
assert.strictEqual(a.length, b.length);
assert.strictEqual(a.byteLength, b.byteLength);
for (let i = 0; i < a.length; i++) {
assert.strictEqual(a[i], b[i]);
}
}
export function test() {
const i8 = new Int8Array(2);
i8[0] = 1;
i8[1] = 2;
assert_arrays_equal(wasm.rust_i8(i8), i8);
const u8 = new Uint8Array(2);
u8[0] = 1;
u8[1] = 2;
assert_arrays_equal(wasm.rust_u8(u8), u8);
const i16 = new Int16Array(2);
i16[0] = 1;
i16[1] = 2;
assert_arrays_equal(wasm.rust_i16(i16), i16);
const u16 = new Uint16Array(2);
u16[0] = 1;
u16[1] = 2;
assert_arrays_equal(wasm.rust_u16(u16), u16);
const i32 = new Int32Array(2);
i32[0] = 1;
i32[1] = 2;
assert_arrays_equal(wasm.rust_i32(i32), i32);
const u32 = new Uint32Array(2);
u32[0] = 1;
u32[1] = 2;
assert_arrays_equal(wasm.rust_u32(u32), u32);
const f32 = new Float32Array(2);
f32[0] = 1;
f32[1] = 2;
assert_arrays_equal(wasm.rust_f32(f32), f32);
const f64 = new Float64Array(2);
f64[0] = 1;
f64[1] = 2;
assert_arrays_equal(wasm.rust_f64(f64), f64);
}
"#,
)
.test();
}
#[test]
fn pass_array_works() {
project()
.file(
"src/lib.rs",
r#"
#![feature(proc_macro, wasm_custom_section, wasm_import_module)]
extern crate wasm_bindgen;
use wasm_bindgen::prelude::*;
macro_rules! doit {
($(($rust:ident, $i:ident))*) => ($(
#[wasm_bindgen]
pub fn $rust(a: &[$i]) {
assert_eq!(a.len(), 2);
assert_eq!(a[0], 1 as $i);
assert_eq!(a[1], 2 as $i);
}
)*)
}
doit! {
(rust_i8, i8)
(rust_u8, u8)
(rust_i16, i16)
(rust_u16, u16)
(rust_i32, i32)
(rust_u32, u32)
(rust_f32, f32)
(rust_f64, f64)
}
"#,
)
.file(
"test.js",
r#"
import * as wasm from "./out";
export function test() {
wasm.rust_i8([1, 2]);
wasm.rust_u8([1, 2]);
wasm.rust_i16([1, 2]);
wasm.rust_u16([1, 2]);
wasm.rust_i32([1, 2]);
wasm.rust_u32([1, 2]);
wasm.rust_f32([1, 2]);
wasm.rust_f64([1, 2]);
}
"#,
)
.test();
}
#[test]
fn import_mut() {
project()
.file(
"src/lib.rs",
r#"
#![feature(proc_macro, wasm_custom_section, wasm_import_module)]
extern crate wasm_bindgen;
use wasm_bindgen::prelude::*;
macro_rules! doit {
($(($rust:ident, $js:ident, $i:ident))*) => (
$(
#[wasm_bindgen(module = "./test")]
extern {
fn $js(a: &mut [$i]);
}
fn $rust() {
let mut buf = [
1 as $i,
2 as $i,
3 as $i,
];
$js(&mut buf);
assert_eq!(buf[0], 4 as $i);
assert_eq!(buf[1], 5 as $i);
assert_eq!(buf[2], 3 as $i);
}
)*
#[wasm_bindgen]
pub fn run() {
$($rust();)*
}
)
}
doit! {
(rust_i8, js_i8, i8)
(rust_u8, js_u8, u8)
(rust_i16, js_i16, i16)
(rust_u16, js_u16, u16)
(rust_i32, js_i32, i32)
(rust_u32, js_u32, u32)
(rust_f32, js_f32, f32)
(rust_f64, js_f64, f64)
}
"#,
)
.file(
"test.js",
r#"
import * as assert from "assert";
import * as wasm from "./out";
function foo(a) {
assert.strictEqual(a.length, 3);
assert.strictEqual(a[0], 1);
assert.strictEqual(a[1], 2);
a[0] = 4;
a[1] = 5;
}
export const js_i8 = foo;
export const js_u8 = foo;
export const js_i16 = foo;
export const js_u16 = foo;
export const js_i32 = foo;
export const js_u32 = foo;
export const js_f32 = foo;
export const js_f64 = foo;
export function test() {
wasm.run();
}
"#,
)
.test();
}
#[test]
fn export_mut() {
project()
.file(
"src/lib.rs",
r#"
#![feature(proc_macro, wasm_custom_section)]
extern crate wasm_bindgen;
use wasm_bindgen::prelude::*;
macro_rules! doit {
($($i:ident)*) => ($(
#[wasm_bindgen]
pub fn $i(a: &mut [$i]) {
assert_eq!(a.len(), 3);
assert_eq!(a[0], 1 as $i);
assert_eq!(a[1], 2 as $i);
assert_eq!(a[2], 3 as $i);
a[0] = 4 as $i;
a[1] = 5 as $i;
}
)*)
}
doit! { i8 u8 i16 u16 i32 u32 f32 f64 }
"#,
)
.file(
"test.js",
r#"
import * as assert from "assert";
import * as wasm from "./out";
function run(a, rust) {
assert.strictEqual(a.length, 3);
a[0] = 1;
a[1] = 2;
a[2] = 3;
console.log(a);
rust(a);
console.log(a);
assert.strictEqual(a.length, 3);
assert.strictEqual(a[0], 4);
assert.strictEqual(a[1], 5);
assert.strictEqual(a[2], 3);
}
export function test() {
run(new Int8Array(3), wasm.i8);
run(new Uint8Array(3), wasm.u8);
run(new Int16Array(3), wasm.i16);
run(new Uint16Array(3), wasm.u16);
run(new Int32Array(3), wasm.i32);
run(new Uint32Array(3), wasm.u32);
run(new Float32Array(3), wasm.f32);
run(new Float64Array(3), wasm.f64);
}
"#,
)
.test();
}
#[test]
fn return_vec_ok() {
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]
pub fn broken_vec() -> Vec<u32> {
vec![1, 2, 3, 4, 5, 6, 7, 8, 9]
}
#[wasm_bindgen]
pub fn web_main() -> Application {
Application::new()
}
#[wasm_bindgen]
pub struct Application {
thing: Vec<u32>,
}
#[wasm_bindgen]
impl Application {
pub fn new() -> Application {
let mut thing = vec![];
thing.push(0);
thing.push(0);
thing.push(0);
thing.push(0);
thing.push(0);
Application {
thing: thing
}
}
pub fn tick(&mut self) {
self.thing = self.thing.clone();
}
}
pub fn main() {
}
"#,
)
.file(
"test.js",
r#"
import * as assert from "assert";
import * as wasm from "./out";
export function test() {
let app = wasm.web_main();
for (let i = 0; i < 10; i++) {
app.tick();
let bad = wasm.broken_vec();
console.log("Received from rust:", i, bad);
assert.strictEqual(bad[0], 1);
assert.strictEqual(bad[1], 2);
assert.strictEqual(bad[2], 3);
assert.strictEqual(bad[3], 4);
assert.strictEqual(bad[4], 5);
assert.strictEqual(bad[5], 6);
assert.strictEqual(bad[6], 7);
assert.strictEqual(bad[7], 8);
assert.strictEqual(bad[8], 9);
}
}
"#,
)
.test();
}
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