mirror of
https://github.com/rustwasm/wasm-bindgen.git
synced 2024-12-19 16:11:50 +03:00
4ceaf3e0f4
* No need for version deps in dev-deps These are all internal so we can drop the version * Remove wasm-bindgen-cli's parity-wasm dep No longer needed * Tweak file hierarchy in webidl tests Use Cargo's conventions to avoid the need to define `[[test]]` sections * Remove unused imports
707 lines
16 KiB
Rust
707 lines
16 KiB
Rust
use super::project;
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#[test]
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fn simple() {
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project()
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.file(
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"src/lib.rs",
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r#"
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#![feature(proc_macro, wasm_custom_section, wasm_import_module)]
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extern crate wasm_bindgen;
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use wasm_bindgen::prelude::*;
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#[wasm_bindgen(module = "./test")]
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extern {
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fn foo(s: &str);
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fn another(a: u32) -> i32;
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fn take_and_return_bool(a: bool) -> bool;
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fn return_object() -> JsValue;
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}
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#[wasm_bindgen]
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pub fn bar(s: &str) {
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foo(s);
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}
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#[wasm_bindgen]
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pub fn another_thunk(a: u32) -> i32 {
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another(a)
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}
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#[wasm_bindgen]
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pub fn bool_thunk(a: bool) -> bool {
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take_and_return_bool(a)
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}
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#[wasm_bindgen]
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pub fn get_the_object() -> JsValue {
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return_object()
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}
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"#,
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)
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.file(
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"test.ts",
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r#"
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import * as wasm from "./out";
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import * as assert from "assert";
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let ARG: string | null = null;
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let ANOTHER_ARG: number | null = null;
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let SYM = (Symbol as any)('a');
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export function foo(s: string): void {
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assert.strictEqual(ARG, null);
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assert.strictEqual(s, "foo");
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ARG = s;
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}
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export function another(s: number): number {
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assert.strictEqual(ANOTHER_ARG, null);
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assert.strictEqual(s, 21);
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ANOTHER_ARG = s;
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return 35;
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}
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export function take_and_return_bool(s: boolean): boolean {
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return s;
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}
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export function return_object(): any {
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return SYM;
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}
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export function test() {
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assert.strictEqual(ARG, null);
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wasm.bar("foo");
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assert.strictEqual(ARG, "foo");
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assert.strictEqual(ANOTHER_ARG, null);
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assert.strictEqual(wasm.another_thunk(21), 35);
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assert.strictEqual(ANOTHER_ARG, 21);
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assert.strictEqual(wasm.bool_thunk(true), true);
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assert.strictEqual(wasm.bool_thunk(false), false);
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assert.strictEqual(wasm.get_the_object(), SYM);
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}
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"#,
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)
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.test();
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}
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#[test]
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fn unused() {
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project()
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.file(
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"src/lib.rs",
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r#"
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#![feature(proc_macro, wasm_custom_section, wasm_import_module)]
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#![allow(dead_code)]
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extern crate wasm_bindgen;
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use wasm_bindgen::prelude::*;
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#[wasm_bindgen(module = "./test")]
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extern {
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fn debug_print(s: &str);
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}
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#[wasm_bindgen]
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pub fn bar() {}
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"#,
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)
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.file(
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"test.ts",
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r#"
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import * as wasm from "./out";
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export function debug_print() {}
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export function test() {
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wasm.bar();
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}
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"#,
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)
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.test();
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}
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#[test]
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fn string_ret() {
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project()
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.file(
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"src/lib.rs",
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r#"
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#![feature(proc_macro, wasm_custom_section, wasm_import_module)]
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extern crate wasm_bindgen;
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use wasm_bindgen::prelude::*;
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#[wasm_bindgen(module = "./test")]
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extern {
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fn foo() -> String;
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}
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#[wasm_bindgen]
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pub fn run() {
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assert_eq!(foo(), "bar");
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}
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"#,
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)
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.file(
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"test.ts",
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r#"
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import * as wasm from "./out";
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export function foo(): string {
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return 'bar';
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}
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export function test() {
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wasm.run();
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}
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"#,
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)
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.test();
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}
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#[test]
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fn strings() {
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project()
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.file(
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"src/lib.rs",
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r#"
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#![feature(proc_macro, wasm_custom_section, wasm_import_module)]
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extern crate wasm_bindgen;
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use wasm_bindgen::prelude::*;
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#[wasm_bindgen(module = "./test")]
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extern {
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fn foo(a: String) -> String;
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}
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#[wasm_bindgen]
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pub fn bar(a: &str) -> String {
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foo(a.to_string())
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}
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#[wasm_bindgen]
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pub fn bar2(a: String) -> String {
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foo(a)
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}
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"#,
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)
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.file(
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"test.ts",
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r#"
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import * as wasm from "./out";
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import * as assert from "assert";
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export function foo(a: string): string {
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return a + 'b';
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}
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export function test() {
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assert.strictEqual(wasm.bar('a'), 'ab');
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assert.strictEqual(wasm.bar2('a'), 'ab');
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}
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"#,
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)
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.test();
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}
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#[test]
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fn exceptions() {
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project()
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.file(
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"src/lib.rs",
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r#"
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#![feature(proc_macro, wasm_custom_section, wasm_import_module)]
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extern crate wasm_bindgen;
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use wasm_bindgen::prelude::*;
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#[wasm_bindgen(module = "./test")]
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extern {
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fn foo();
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fn bar();
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#[wasm_bindgen(catch)]
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fn baz() -> Result<(), JsValue>;
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}
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#[wasm_bindgen]
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pub fn run() {
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foo();
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bar();
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}
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#[wasm_bindgen]
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pub fn run2() {
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assert!(baz().is_err());
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bar();
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}
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"#,
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)
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.file(
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"test.ts",
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r#"
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import { run, run2 } from "./out";
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import * as assert from "assert";
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let called = false;
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export function foo() {
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throw new Error('error!');
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}
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export function baz() {
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throw new Error('error2');
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}
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export function bar() {
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called = true;
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}
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export function test() {
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assert.throws(run, /error!/);
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assert.strictEqual(called, false);
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run2();
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assert.strictEqual(called, true);
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}
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"#,
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)
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.test();
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}
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#[test]
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fn exn_caught() {
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project()
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.file(
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"src/lib.rs",
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r#"
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#![feature(proc_macro, wasm_custom_section, wasm_import_module)]
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extern crate wasm_bindgen;
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use wasm_bindgen::prelude::*;
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#[wasm_bindgen(module = "./test")]
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extern {
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#[wasm_bindgen(catch)]
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fn foo() -> Result<(), JsValue>;
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}
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#[wasm_bindgen]
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pub fn run() -> JsValue {
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foo().unwrap_err()
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}
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"#,
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)
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.file(
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"test.ts",
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r#"
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import { run } from "./out";
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import * as assert from "assert";
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export function foo() {
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throw new Error('error!');
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}
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export function test() {
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const obj = run();
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assert.strictEqual(obj instanceof Error, true);
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assert.strictEqual(obj.message, 'error!');
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}
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"#,
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)
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.test();
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}
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#[test]
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fn free_imports() {
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project()
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.file(
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"src/lib.rs",
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r#"
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#![feature(proc_macro, wasm_custom_section, wasm_import_module)]
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extern crate wasm_bindgen;
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use wasm_bindgen::prelude::*;
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#[wasm_bindgen]
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extern {
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fn parseInt(a: &str) -> u32;
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}
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#[wasm_bindgen]
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pub fn run() {
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assert_eq!(parseInt("3"), 3);
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}
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"#,
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)
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.file(
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"test.ts",
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r#"
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import { run } from "./out";
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export function test() {
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run();
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}
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"#,
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)
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.test();
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}
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#[test]
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fn import_a_field() {
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project()
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.debug(false)
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.file(
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"src/lib.rs",
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r#"
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#![feature(proc_macro, wasm_custom_section, wasm_import_module)]
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extern crate wasm_bindgen;
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use wasm_bindgen::prelude::*;
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#[wasm_bindgen(module = "./test")]
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extern {
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static IMPORT: JsValue;
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}
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#[wasm_bindgen]
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pub fn run() {
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assert_eq!(IMPORT.as_f64(), Some(1.0));
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}
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"#,
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)
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.file(
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"test.ts",
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r#"
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import { run } from "./out";
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export const IMPORT = 1.0;
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export function test() {
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run();
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}
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"#,
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)
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.test();
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}
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#[test]
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fn rename() {
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project()
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.file(
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"src/lib.rs",
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r#"
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#![feature(proc_macro, wasm_custom_section, wasm_import_module)]
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extern crate wasm_bindgen;
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use wasm_bindgen::prelude::*;
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#[wasm_bindgen(module = "./test")]
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extern {
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#[wasm_bindgen(js_name = baz)]
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fn foo();
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}
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#[wasm_bindgen]
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pub fn run() {
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foo();
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}
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"#,
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)
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.file(
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"test.ts",
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r#"
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import * as wasm from "./out";
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import * as assert from "assert";
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let called = false;
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export function baz() {
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called = true;
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}
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export function test() {
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wasm.run();
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assert.strictEqual(called, true);
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}
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"#,
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)
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.test();
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}
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#[test]
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fn versions() {
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project()
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.file(
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"src/lib.rs",
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r#"
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#![feature(proc_macro, wasm_custom_section, wasm_import_module)]
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extern crate wasm_bindgen;
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use wasm_bindgen::prelude::*;
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#[wasm_bindgen(module = "webpack", version = "^0.2.0")]
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extern {
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fn foo();
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}
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#[wasm_bindgen]
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pub fn run() {
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foo();
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}
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"#,
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)
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.file(
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"test.js",
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r#"
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const fs = require("fs");
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const assert = require("assert");
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exports.test = function() {
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const bytes = fs.readFileSync('out_bg.wasm');
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const m = new WebAssembly.Module(bytes);
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const name = '__wasm_pack_unstable';
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const sections = WebAssembly.Module.customSections(m, name);
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assert.strictEqual(sections.length, 1);
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const b = new Uint8Array(sections[0]);
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const buf = new Buffer(b);
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const map = JSON.parse(buf.toString());
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assert.deepStrictEqual(map, {
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version: '0.0.1',
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modules: [
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['webpack', '^0.2.0']
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]
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});
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};
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"#,
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)
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.test();
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}
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#[test]
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fn underscore_pattern() {
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project()
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.debug(false)
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.file("src/lib.rs", r#"
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#![feature(proc_macro, wasm_custom_section, wasm_import_module)]
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extern crate wasm_bindgen;
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use wasm_bindgen::prelude::*;
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#[wasm_bindgen(module = "./test")]
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extern {
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fn foo(_: u8);
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}
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#[wasm_bindgen]
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pub fn run() {
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foo(1);
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}
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"#)
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.file("test.ts", r#"
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import { run } from "./out";
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export function foo(_a: number) {
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}
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export function test() {
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run();
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}
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"#)
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.test();
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}
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#[test]
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fn rust_keyword() {
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project()
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.file(
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"src/lib.rs",
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r#"
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#![feature(proc_macro, wasm_custom_section, wasm_import_module)]
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extern crate wasm_bindgen;
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use wasm_bindgen::prelude::*;
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#[wasm_bindgen(module = "./test")]
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extern {
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#[wasm_bindgen(js_name = self)]
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fn foo() -> u32;
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}
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#[wasm_bindgen]
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pub fn run() {
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assert_eq!(foo(), 2);
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}
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"#,
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)
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.file(
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"test.ts",
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r#"
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import { run } from "./out";
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export function self() {
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return 2;
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}
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export function test() {
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run();
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}
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"#,
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)
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.test();
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}
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#[test]
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fn rust_keyword2() {
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project()
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.debug(false)
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.file(
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"src/lib.rs",
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r#"
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#![feature(proc_macro, wasm_custom_section, wasm_import_module)]
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extern crate wasm_bindgen;
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use wasm_bindgen::prelude::*;
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#[wasm_bindgen(module = "./test")]
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extern {
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pub type bar;
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#[wasm_bindgen(js_namespace = bar, js_name = foo)]
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static FOO: JsValue;
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}
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#[wasm_bindgen]
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pub fn run() {
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assert_eq!(FOO.as_f64(), Some(3.0));
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}
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"#,
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)
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.file(
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"test.ts",
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r#"
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import { run } from "./out";
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export const bar = {
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foo: 3,
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};
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export function test() {
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run();
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}
|
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"#,
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)
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.test();
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}
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|
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#[test]
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fn custom_type() {
|
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project()
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.debug(false)
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.file("src/lib.rs", r#"
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#![feature(proc_macro, wasm_custom_section, wasm_import_module)]
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extern crate wasm_bindgen;
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use wasm_bindgen::prelude::*;
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|
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#[wasm_bindgen(module = "./test")]
|
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extern {
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fn foo(f: Foo) -> Foo;
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fn bad2() -> Foo;
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}
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|
|
#[wasm_bindgen]
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pub struct Foo(());
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|
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#[wasm_bindgen]
|
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impl Foo {
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pub fn touch(&self) {
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panic!()
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}
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}
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|
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#[wasm_bindgen]
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pub fn run() {
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foo(Foo(()));
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}
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#[wasm_bindgen]
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pub fn bad() {
|
|
bad2();
|
|
}
|
|
"#)
|
|
.file("test.ts", r#"
|
|
import * as assert from "assert";
|
|
import { run, Foo, bad } from "./out";
|
|
|
|
let VAL: any = null;
|
|
|
|
export function foo(f: Foo): Foo {
|
|
VAL = f;
|
|
return f;
|
|
}
|
|
|
|
export function bad2(): number {
|
|
return 2;
|
|
}
|
|
|
|
export function test() {
|
|
run();
|
|
assert.throws(() => VAL.touch(), /Attempt to use a moved value/);
|
|
assert.throws(bad, /expected value of type Foo/);
|
|
}
|
|
"#)
|
|
.test();
|
|
}
|
|
|
|
#[test]
|
|
fn unused_imports_not_generated() {
|
|
let mut project = project();
|
|
|
|
project
|
|
.debug(false)
|
|
.file("src/lib.rs", r#"
|
|
#![feature(proc_macro, wasm_custom_section, wasm_import_module)]
|
|
|
|
extern crate wasm_bindgen;
|
|
|
|
use wasm_bindgen::prelude::*;
|
|
|
|
#[wasm_bindgen]
|
|
extern {
|
|
pub fn foo();
|
|
}
|
|
|
|
#[wasm_bindgen]
|
|
pub fn run() {
|
|
}
|
|
"#)
|
|
.file("test.ts", r#"
|
|
import { run } from "./out";
|
|
|
|
export function test() {
|
|
run();
|
|
}
|
|
"#)
|
|
.test();
|
|
|
|
let contents = project.read_js();
|
|
assert!(contents.contains("run"), "didn't find `run` in {}", contents);
|
|
assert!(!contents.contains("foo"), "found `foo` in {}", contents);
|
|
}
|