1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
|
'use strict';
const common = require('../common');
const assert = require('assert');
// This test ensures that assert.CallTracker.calls() works as intended.
const tracker = new assert.CallTracker();
function bar() {}
const err = {
code: 'ERR_INVALID_ARG_TYPE',
};
// Ensures calls() throws on invalid input types.
assert.throws(() => {
const callsbar = tracker.calls(bar, '1');
callsbar();
}, err
);
assert.throws(() => {
const callsbar = tracker.calls(bar, 0.1);
callsbar();
}, { code: 'ERR_OUT_OF_RANGE' }
);
assert.throws(() => {
const callsbar = tracker.calls(bar, true);
callsbar();
}, err
);
assert.throws(() => {
const callsbar = tracker.calls(bar, () => {});
callsbar();
}, err
);
assert.throws(() => {
const callsbar = tracker.calls(bar, null);
callsbar();
}, err
);
// Expects an error as tracker.calls() cannot be called within a process exit
// handler.
process.on('exit', () => {
assert.throws(() => tracker.calls(bar, 1), {
code: 'ERR_UNAVAILABLE_DURING_EXIT',
});
});
const msg = 'Expected to throw';
function func() {
throw new Error(msg);
}
const callsfunc = tracker.calls(func, 1);
// Expects callsfunc() to call func() which throws an error.
assert.throws(
() => callsfunc(),
{ message: msg }
);
{
const tracker = new assert.CallTracker();
const callsNoop = tracker.calls(1);
callsNoop();
tracker.verify();
}
{
const tracker = new assert.CallTracker();
const callsNoop = tracker.calls(undefined, 1);
callsNoop();
tracker.verify();
}
{
function func() {}
const tracker = new assert.CallTracker();
const callsfunc = tracker.calls(func);
assert.strictEqual(callsfunc.length, 0);
}
{
function func(a, b, c = 2) {}
const tracker = new assert.CallTracker();
const callsfunc = tracker.calls(func);
assert.strictEqual(callsfunc.length, 2);
}
{
function func(a, b, c = 2) {}
delete func.length;
const tracker = new assert.CallTracker();
const callsfunc = tracker.calls(func);
assert.strictEqual(Object.hasOwn(callsfunc, 'length'), false);
}
{
const ArrayIteratorPrototype = Reflect.getPrototypeOf(
Array.prototype.values()
);
const { next } = ArrayIteratorPrototype;
ArrayIteratorPrototype.next = common.mustNotCall(
'%ArrayIteratorPrototype%.next'
);
Object.prototype.get = common.mustNotCall('%Object.prototype%.get');
const customPropertyValue = Symbol();
function func(a, b, c = 2) {
return a + b + c;
}
func.customProperty = customPropertyValue;
Object.defineProperty(func, 'length', { get: common.mustNotCall() });
const tracker = new assert.CallTracker();
const callsfunc = tracker.calls(func);
assert.strictEqual(Object.hasOwn(callsfunc, 'length'), true);
assert.strictEqual(callsfunc.customProperty, customPropertyValue);
assert.strictEqual(callsfunc(1, 2, 3), 6);
ArrayIteratorPrototype.next = next;
delete Object.prototype.get;
}
|
