test.js

"use strict";
// Flags: --expose-gc

// Testing api calls for function
const test_function = loadAddon("test_function");

function func1() {
  return 1;
}
assert.strictEqual(test_function.TestCall(func1), 1);

function func2() {
  return null;
}
assert.strictEqual(test_function.TestCall(func2), null);

function func3(input) {
  return input + 1;
}
assert.strictEqual(test_function.TestCall(func3, 1), 2);

function func4(input) {
  return func3(input);
}
assert.strictEqual(test_function.TestCall(func4, 1), 2);

assert.strictEqual(test_function.TestName.name, "Name");
assert.strictEqual(test_function.TestNameShort.name, "Name_");

let tracked_function = test_function.MakeTrackedFunction(mustCall());
assert(!!tracked_function);
tracked_function = null;
gc();

assert.deepStrictEqual(test_function.TestCreateFunctionParameters(), {
  envIsNull: "Invalid argument",
  nameIsNull: "napi_ok",
  cbIsNull: "Invalid argument",
  resultIsNull: "Invalid argument",
});

assert.throws(() => test_function.TestBadReturnExceptionPending(), {
  code: "throwing exception",
  name: "Error",
});