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'use strict';
const common = require('../../common');
// This tests the promise-related n-api calls
const assert = require('assert');
const test_promise = require(`./build/${common.buildType}/test_promise`);
// A resolution
{
const expected_result = 42;
const promise = test_promise.createPromise();
promise.then(
common.mustCall(function(result) {
assert.strictEqual(result, expected_result);
}),
common.mustNotCall());
test_promise.concludeCurrentPromise(expected_result, true);
}
// A rejection
{
const expected_result = 'It\'s not you, it\'s me.';
const promise = test_promise.createPromise();
promise.then(
common.mustNotCall(),
common.mustCall(function(result) {
assert.strictEqual(result, expected_result);
}));
test_promise.concludeCurrentPromise(expected_result, false);
}
// Chaining
{
const expected_result = 'chained answer';
const promise = test_promise.createPromise();
promise.then(
common.mustCall(function(result) {
assert.strictEqual(result, expected_result);
}),
common.mustNotCall());
test_promise.concludeCurrentPromise(Promise.resolve('chained answer'), true);
}
const promiseTypeTestPromise = test_promise.createPromise();
assert.strictEqual(test_promise.isPromise(promiseTypeTestPromise), true);
test_promise.concludeCurrentPromise(undefined, true);
const rejectPromise = Promise.reject(-1);
const expected_reason = -1;
assert.strictEqual(test_promise.isPromise(rejectPromise), true);
rejectPromise.catch((reason) => {
assert.strictEqual(reason, expected_reason);
});
assert.strictEqual(test_promise.isPromise(2.4), false);
assert.strictEqual(test_promise.isPromise('I promise!'), false);
assert.strictEqual(test_promise.isPromise(undefined), false);
assert.strictEqual(test_promise.isPromise(null), false);
assert.strictEqual(test_promise.isPromise({}), false);
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