1'use strict';
2
3const common = require('../../common');
4
5// This tests the promise-related n-api calls
6
7const assert = require('assert');
8const test_promise = require(`./build/${common.buildType}/test_promise`);
9
10// A resolution
11{
12  const expected_result = 42;
13  const promise = test_promise.createPromise();
14  promise.then(
15    common.mustCall(function(result) {
16      assert.strictEqual(result, expected_result);
17    }),
18    common.mustNotCall());
19  test_promise.concludeCurrentPromise(expected_result, true);
20}
21
22// A rejection
23{
24  const expected_result = 'It\'s not you, it\'s me.';
25  const promise = test_promise.createPromise();
26  promise.then(
27    common.mustNotCall(),
28    common.mustCall(function(result) {
29      assert.strictEqual(result, expected_result);
30    }));
31  test_promise.concludeCurrentPromise(expected_result, false);
32}
33
34// Chaining
35{
36  const expected_result = 'chained answer';
37  const promise = test_promise.createPromise();
38  promise.then(
39    common.mustCall(function(result) {
40      assert.strictEqual(result, expected_result);
41    }),
42    common.mustNotCall());
43  test_promise.concludeCurrentPromise(Promise.resolve('chained answer'), true);
44}
45
46const promiseTypeTestPromise = test_promise.createPromise();
47assert.strictEqual(test_promise.isPromise(promiseTypeTestPromise), true);
48test_promise.concludeCurrentPromise(undefined, true);
49
50const rejectPromise = Promise.reject(-1);
51const expected_reason = -1;
52assert.strictEqual(test_promise.isPromise(rejectPromise), true);
53rejectPromise.catch((reason) => {
54  assert.strictEqual(reason, expected_reason);
55});
56
57assert.strictEqual(test_promise.isPromise(2.4), false);
58assert.strictEqual(test_promise.isPromise('I promise!'), false);
59assert.strictEqual(test_promise.isPromise(undefined), false);
60assert.strictEqual(test_promise.isPromise(null), false);
61assert.strictEqual(test_promise.isPromise({}), false);
62