Function test

deps/v8/test/mjsunit/es8/async-function-stacktrace.js:7–20

(func, funcs)

// Flags: --noasync-stack-traces

async function test(func, funcs) {
  try {
    await func();
    throw new Error("Expected " + func.toString() + " to throw");
  } catch (e) {
    var stack = e.stack.split('\n').
        slice(1).
        map(line => line.trim()).
        map(line => line.match(/at (?:(.*) )?.*$/)[1]).
        filter(x => typeof x === 'string' && x.length);

    assertEquals(funcs, stack, `Unexpected stack trace ${e.stack}`);
  }
}

function thrower() { throw new Error("NOPE"); }
function reject() { return Promise.reject(new Error("NOPE")); }