javascript ``` import {EnvelopeGenerator} from "./index.js"; test(() => { const instance = EnvelopeGenerator(); assert_true(instance.exports.init_eg != null)

}, "instantiates synchrounsly");
test(() => {
  const instance = EnvelopeGenerator();
  for (let i = 0;i < 24;i++) {

    const re2f = instance.exports.init_eg(i * -100, 44, 120, 1100);
    const obj2 = instance.eg(re2f);
    //console.log(re2f, obj2)
  }

}, "can retrieve eg attribute values");

test(() => {
  const instance = EnvelopeGenerator();
  const re2f = instance.exports.init_eg(-4221, 44, 120, 1100);
  const obref = instance.exports.process(re2f);
  const ob = new Float32Array(instance.heap.buffer, obref, 128)
  assert_greater_than(ob[12], ob[1])

}, "can run ");
test(() => {
  const instance = EnvelopeGenerator();
  const re2f = instance.exports.init_eg(-1221, 290, 150, -12100);
  const obref = instance.exports.process(re2f);
  const ob = new Float32Array(instance.heap.buffer, obref, 128)
  assert_greater_than(ob[12], ob[1])
}, "can run quickly");
test(() => {
  const {mkEG} = EnvelopeGenerator();
  const eg = mkEG(-1222, 33, 156, 122);
  assert_less_than(eg.roll()[1], eg.roll()[1])
  assert_less_than(eg.roll()[1], eg.roll()[1])
  assert_less_than(eg.roll()[1], eg.roll()[1])
  eg.release();
  assert_greater_than(eg.roll()[1], eg.roll()[1])
  assert_greater_than(eg.roll()[1], eg.roll()[1])

}, "trigger release");
	```