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1'use strict';
2
3const common = require('../../common');
4const assert = require('assert');
5const vm = require('vm');
6const binding = require(`./build/${common.buildType}/binding`);
7const makeCallback = binding.makeCallback;
8
9function myMultiArgFunc(arg1, arg2, arg3) {
10  assert.strictEqual(arg1, 1);
11  assert.strictEqual(arg2, 2);
12  assert.strictEqual(arg3, 3);
13  return 42;
14}
15
16assert.strictEqual(makeCallback(process, common.mustCall(function() {
17  assert.strictEqual(arguments.length, 0);
18  assert.strictEqual(this, process);
19  return 42;
20})), 42);
21
22assert.strictEqual(makeCallback(process, common.mustCall(function(x) {
23  assert.strictEqual(arguments.length, 1);
24  assert.strictEqual(this, process);
25  assert.strictEqual(x, 1337);
26  return 42;
27}), 1337), 42);
28
29assert.strictEqual(makeCallback(this,
30                                common.mustCall(myMultiArgFunc), 1, 2, 3), 42);
31
32// TODO(node-api): napi_make_callback needs to support
33// strings passed for the func argument
34/*
35const recv = {
36  one: common.mustCall(function() {
37    assert.strictEqual(0, arguments.length);
38    assert.strictEqual(this, recv);
39    return 42;
40  }),
41  two: common.mustCall(function(x) {
42    assert.strictEqual(1, arguments.length);
43    assert.strictEqual(this, recv);
44    assert.strictEqual(x, 1337);
45    return 42;
46  }),
47};
48
49assert.strictEqual(makeCallback(recv, 'one'), 42);
50assert.strictEqual(makeCallback(recv, 'two', 1337), 42);
51
52// Check that callbacks on a receiver from a different context works.
53const foreignObject = vm.runInNewContext('({ fortytwo() { return 42; } })');
54assert.strictEqual(makeCallback(foreignObject, 'fortytwo'), 42);
55*/
56
57// Check that the callback is made in the context of the receiver.
58const target = vm.runInNewContext(`
59    (function($Object) {
60      if (Object === $Object)
61        throw new Error('bad');
62      return Object;
63    })
64`);
65assert.notStrictEqual(makeCallback(process, target, Object), Object);
66
67// Runs in inner context.
68const forward = vm.runInNewContext(`
69    (function(forward) {
70      return forward(Object);
71    })
72`);
73
74// Runs in outer context.
75function endpoint($Object) {
76  if (Object === $Object)
77    throw new Error('bad');
78  return Object;
79}
80
81assert.strictEqual(makeCallback(process, forward, endpoint), Object);
82