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denoland-deno/cli/tests/wasm_async.js
Ryan Dahl 9cfdc60a23
Move integration tests to //cli/tests/ (#2964)
This ensures the deno executable is properly created before running the integration tests.

Also allows deno_cli to be used as a lib. Docs are now properly generated: https://docs.rs/deno_cli/0.18.4/deno_cli/

Towards #2933
Prep for #2955
2019-09-16 21:05:14 -04:00

27 lines
814 B
JavaScript

// The following blob can be created by taking the following s-expr and pass
// it through wat2wasm.
// (module
// (func $add (param $a i32) (param $b i32) (result i32)
// local.get $a
// local.get $b
// i32.add)
// (export "add" (func $add))
// )
// prettier-ignore
const bytes = new Uint8Array([
0x00, 0x61, 0x73, 0x6d, 0x01, 0x00, 0x00, 0x00, 0x01, 0x07, 0x01, 0x60,
0x02, 0x7f, 0x7f, 0x01, 0x7f, 0x03, 0x02, 0x01, 0x00, 0x07, 0x07, 0x01,
0x03, 0x61, 0x64, 0x64, 0x00, 0x00, 0x0a, 0x09, 0x01, 0x07, 0x00, 0x20,
0x00, 0x20, 0x01, 0x6a, 0x0b
]);
async function main() {
const wasm = await WebAssembly.instantiate(bytes);
const result = wasm.instance.exports.add(1, 3);
console.log("1 + 3 =", result);
if (result != 4) {
throw Error("bad");
}
}
main();