Files
wasmer/lib/js-api/tests/instance.rs
2021-06-22 12:49:53 -07:00

121 lines
3.2 KiB
Rust

use anyhow::Result;
use wasm_bindgen_test::*;
use wasmer_js::*;
// #[test]
// fn exports_work_after_multiple_instances_have_been_freed() -> Result<()> {
// let store = Store::default();
// let module = Module::new(
// &store,
// "
// (module
// (type $sum_t (func (param i32 i32) (result i32)))
// (func $sum_f (type $sum_t) (param $x i32) (param $y i32) (result i32)
// local.get $x
// local.get $y
// i32.add)
// (export \"sum\" (func $sum_f)))
// ",
// )?;
// let import_object = ImportObject::new();
// let instance = Instance::new(&module, &import_object)?;
// let instance2 = instance.clone();
// let instance3 = instance.clone();
// // The function is cloned to “break” the connection with `instance`.
// let sum = instance.exports.get_function("sum")?.clone();
// drop(instance);
// drop(instance2);
// drop(instance3);
// // All instances have been dropped, but `sum` continues to work!
// assert_eq!(
// sum.call(&[Value::I32(1), Value::I32(2)])?.into_vec(),
// vec![Value::I32(3)],
// );
// Ok(())
// }
#[wasm_bindgen_test]
fn test_exported_memory() {
let store = Store::default();
let module = Module::new(
&store,
br#"
(module
(memory (export "mem") 1)
)
"#,
)
.unwrap();
let import_object = imports! {};
let instance = Instance::new(&module, &import_object).unwrap();
let memory = instance.exports.get_memory("mem").unwrap();
assert_eq!(memory.size(), Pages(1));
assert_eq!(memory.data_size(), 65536);
// let load = instance
// .exports
// .get_native_function::<(), (WasmPtr<u8, Array>, i32)>("load")?;
}
#[wasm_bindgen_test]
fn test_exported_function() {
let store = Store::default();
let module = Module::new(
&store,
br#"
(module
(func (export "get_magic") (result i32)
(i32.const 42)
)
)
"#,
)
.unwrap();
let import_object = imports! {};
let instance = Instance::new(&module, &import_object).unwrap();
// let memory = instance.exports.get_memory("mem").unwrap();
// assert_eq!(memory.size(), Pages(1));
// assert_eq!(memory.data_size(), 65536);
let get_magic = instance.exports.get_function("get_magic").unwrap();
let expected = vec![Val::F64(42.0)].into_boxed_slice();
assert_eq!(get_magic.call(&[]), Ok(expected));
}
// #[wasm_bindgen_test]
// fn test_exported_function() {
// let store = Store::default();
// let module = Module::new(&store, br#"
// (module
// (memory (export "mem") 1)
// (global $length (mut i32) (i32.const 13))
// (func (export "load") (result i32 i32)
// (i32.const 42)
// global.get $length)
// (data (i32.const 42) "Hello, World!"))
// "#).unwrap();
// let import_object = imports! {};
// let instance = Instance::new(&module, &import_object).unwrap();
// // let memory = instance.exports.get_memory("mem").unwrap();
// // assert_eq!(memory.size(), Pages(1));
// // assert_eq!(memory.data_size(), 65536);
// let load = instance
// .exports
// .get_function::<(), (WasmPtr<u8, Array>, i32)>("load")?;
// }