mirror of
https://github.com/rustwasm/wasm-bindgen.git
synced 2024-12-25 19:11:45 +03:00
476 lines
12 KiB
Rust
476 lines
12 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("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]
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pub struct Foo {
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contents: u32,
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}
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#[wasm_bindgen]
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impl Foo {
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#[wasm_bindgen(constructor)]
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pub fn new() -> Foo {
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Foo::with_contents(0)
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}
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pub fn with_contents(a: u32) -> Foo {
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Foo { contents: a }
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}
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pub fn add(&mut self, amt: u32) -> u32 {
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self.contents += amt;
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self.contents
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}
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}
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"#)
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.file("test.ts", r#"
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import * as assert from "assert";
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import { Foo } from "./out";
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export function test() {
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const r = Foo.new();
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assert.strictEqual(r.add(0), 0);
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assert.strictEqual(r.add(1), 1);
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assert.strictEqual(r.add(1), 2);
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r.free();
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const r2 = Foo.with_contents(10);
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assert.strictEqual(r2.add(1), 11);
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assert.strictEqual(r2.add(2), 13);
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assert.strictEqual(r2.add(3), 16);
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r2.free();
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const r3 = new Foo();
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assert.strictEqual(r3.add(42), 42);
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r3.free();
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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("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]
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pub struct Foo {
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name: u32,
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}
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#[wasm_bindgen]
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pub struct Bar {
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contents: String,
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}
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#[wasm_bindgen]
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impl Foo {
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pub fn new() -> Foo {
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Foo { name: 0 }
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}
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pub fn set(&mut self, amt: u32) {
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self.name = amt;
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}
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pub fn bar(&self, mix: &str) -> Bar {
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Bar { contents: format!("foo-{}-{}", mix, self.name) }
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}
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}
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#[wasm_bindgen]
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impl Bar {
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pub fn name(&self) -> String {
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self.contents.clone()
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}
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}
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"#)
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.file("test.ts", r#"
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import * as assert from "assert";
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import { Foo } from "./out";
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export function test() {
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const r = Foo.new();
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r.set(3);
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let bar = r.bar('baz');
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r.free();
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assert.strictEqual(bar.name(), "foo-baz-3");
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bar.free();
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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("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]
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pub struct A {
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}
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#[wasm_bindgen]
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impl A {
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pub fn new() -> A {
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A {}
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}
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pub fn foo(&self, _: &A) {
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}
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pub fn bar(&mut self, _: &mut A) {
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}
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}
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#[wasm_bindgen]
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pub struct B {
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}
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#[wasm_bindgen]
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impl B {
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pub fn new() -> B {
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B {}
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}
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}
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"#)
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.file("test.js", r#"
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import * as assert from "assert";
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import { A, B } from "./out";
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export function test() {
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assert.throws(() => new A(), /cannot invoke `new` directly/);
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let a = A.new();
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a.free();
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assert.throws(() => a.free(), /null pointer passed to rust/);
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let b = A.new();
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b.foo(b);
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assert.throws(() => b.bar(b), /recursive use of an object/);
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let c = A.new();
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let d = B.new();
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assert.throws(() => c.foo(d), /expected instance of A/);
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d.free();
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c.free();
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};
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"#)
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.file("test.d.ts", r#"
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export function test(): void;
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"#)
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.test();
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}
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#[test]
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fn pass_one_to_another() {
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project()
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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]
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pub struct A {}
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#[wasm_bindgen]
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impl A {
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pub fn new() -> A {
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A {}
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}
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pub fn foo(&self, _other: &B) {
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}
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pub fn bar(&self, _other: B) {
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}
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}
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#[wasm_bindgen]
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pub struct B {}
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#[wasm_bindgen]
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impl B {
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pub fn new() -> B {
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B {}
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}
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}
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"#)
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.file("test.ts", r#"
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import { A, B } from "./out";
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export function test() {
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let a = A.new();
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let b = B.new();
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a.foo(b);
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a.bar(b);
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a.free();
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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 pass_into_js() {
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project()
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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]
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pub struct Foo(i32);
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#[wasm_bindgen]
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impl Foo {
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pub fn inner(&self) -> i32 {
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self.0
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}
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}
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#[wasm_bindgen(module = "./test")]
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extern {
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fn take_foo(foo: Foo);
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}
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#[wasm_bindgen]
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pub fn run() {
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take_foo(Foo(13));
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}
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"#)
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.file("test.ts", r#"
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import { run, Foo } from "./out";
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import * as assert from "assert";
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export function take_foo(foo: Foo) {
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assert.strictEqual(foo.inner(), 13);
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foo.free();
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assert.throws(() => foo.free(), /null pointer passed to rust/);
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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 issue_27() {
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project()
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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]
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pub struct Context {}
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#[wasm_bindgen]
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impl Context {
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pub fn parse(&self, expr: &str) -> Expr {
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panic!()
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}
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pub fn eval(&self, expr: &Expr) -> f64 {
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panic!()
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}
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pub fn set(&mut self, var: &str, val: f64) {
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panic!()
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}
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}
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#[wasm_bindgen]
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pub struct Expr {}
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#[wasm_bindgen]
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pub fn context() -> Context {
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Context {}
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}
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"#)
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.file("test.ts", r#"
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import { context } from "./out";
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export function test() {
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context();
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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 pass_into_js_as_js_class() {
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project()
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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]
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pub struct Foo(i32);
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#[wasm_bindgen]
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impl Foo {
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pub fn inner(&self) -> i32 {
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self.0
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}
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}
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#[wasm_bindgen(module = "./test")]
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extern {
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fn take_foo(foo: JsValue);
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}
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#[wasm_bindgen]
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pub fn run() {
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take_foo(Foo(13).into());
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}
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"#)
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.file("test.ts", r#"
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import { run, Foo } from "./out";
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import * as assert from "assert";
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export function take_foo(foo: any) {
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assert(foo instanceof Foo);
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assert.strictEqual(foo.inner(), 13);
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foo.free();
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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 constructors() {
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project()
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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]
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pub fn cross_item_construction() -> Bar {
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Bar::other_name(7, 8)
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}
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#[wasm_bindgen]
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pub struct Foo {
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number: u32,
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}
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#[wasm_bindgen]
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impl Foo {
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#[wasm_bindgen(constructor)]
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pub fn new(number: u32) -> Foo {
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Foo { number }
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}
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pub fn get_number(&self) -> u32 {
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self.number
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}
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}
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#[wasm_bindgen]
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pub struct Bar {
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number: u32,
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number2: u32,
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}
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#[wasm_bindgen]
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impl Bar {
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#[wasm_bindgen(constructor)]
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pub fn other_name(number: u32, number2: u32) -> Bar {
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Bar { number, number2 }
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}
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pub fn get_sum(&self) -> u32 {
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self.number + self.number2
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}
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}
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"#)
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.file("test.ts", r#"
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import * as assert from "assert";
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import { Foo, Bar, cross_item_construction } from "./out";
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export function test() {
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const foo = new Foo(1);
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assert.strictEqual(foo.get_number(), 1);
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foo.free();
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const foo2 = Foo.new(2);
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assert.strictEqual(foo2.get_number(), 2);
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foo2.free();
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const bar = new Bar(3, 4);
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assert.strictEqual(bar.get_sum(), 7);
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bar.free();
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const bar2 = Bar.other_name(5, 6);
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assert.strictEqual(bar2.get_sum(), 11);
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bar2.free();
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assert.strictEqual(cross_item_construction().get_sum(), 15);
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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 empty_structs() {
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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]
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pub struct MissingClass {}
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#[wasm_bindgen]
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pub struct Other {}
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#[wasm_bindgen]
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impl Other { pub fn return_a_value() -> MissingClass { MissingClass {} } }
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"#)
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.file("test.ts", r#"
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import { Other } from "./out";
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export function test() {
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Other.return_a_value();
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}
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"#)
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.test();
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}
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