offThreadCompileToStencil-03.js

Enable keyboard shortcuts

// |jit-test| skip-if: helperThreadCount() === 0

// Test offThreadCompileToStencil for different function types.

load(libdir + 'asserts.js');

var id, stencil;

id = offThreadCompileToStencil(`

  function f() { return "pass"; }

  f();

`);

stencil = finishOffThreadStencil(id);

assertEq(evalStencil(stencil), "pass");

id = offThreadCompileToStencil(`

  function* f() { return "pass"; }

  f().next();

`);

stencil = finishOffThreadStencil(id);

assertDeepEq(evalStencil(stencil), {value: "pass", done: true});

id = offThreadCompileToStencil(`

  async function f() { return "pass"; }

  f();

`);

stencil = finishOffThreadStencil(id);

assertEventuallyEq(evalStencil(stencil), "pass");

id = offThreadCompileToStencil(`

  async function* f() { return "pass"; }

  f().next();

`);

stencil = finishOffThreadStencil(id);

assertEventuallyDeepEq(evalStencil(stencil), {value: "pass", done: true});

// Copied from js/src/tests/shell.js

function getPromiseResult(promise) {

  var result, error, caught = false;

  promise.then(r => { result = r; },

               e => { caught = true; error = e; });

  drainJobQueue();

  if (caught)

    throw error;

  return result;

function assertEventuallyEq(promise, expected) {

  assertEq(getPromiseResult(promise), expected);

function assertEventuallyDeepEq(promise, expected) {

  assertDeepEq(getPromiseResult(promise), expected);