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
|
// Copyright (C) 2015 André Bargull. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es6id: 25.4.5.3
description: >
Throws a TypeError if capabilities executor already called with non-undefined values.
info: |
Promise.prototype.then ( onFulfilled , onRejected )
...
5. Let promiseCapability be NewPromiseCapability(C).
6. ReturnIfAbrupt(promiseCapability).
...
25.4.1.5.1 GetCapabilitiesExecutor Functions
...
3. If promiseCapability.[[Resolve]] is not undefined, throw a TypeError exception.
4. If promiseCapability.[[Reject]] is not undefined, throw a TypeError exception.
5. Set promiseCapability.[[Resolve]] to resolve.
6. Set promiseCapability.[[Reject]] to reject.
...
features: [class]
---*/
var constructorFunction;
var promise = new class extends Promise {
constructor(executor) {
if (constructorFunction) {
constructorFunction(executor);
return {};
}
return super(executor);
}
}(function() {});
var checkPoint = "";
constructorFunction = function(executor) {
checkPoint += "a";
executor();
checkPoint += "b";
executor(function() {}, function() {});
checkPoint += "c";
};
promise.then();
assert.sameValue(checkPoint, "abc", "executor initially called with no arguments");
var checkPoint = "";
constructorFunction = function(executor) {
checkPoint += "a";
executor(undefined, undefined);
checkPoint += "b";
executor(function() {}, function() {});
checkPoint += "c";
};
promise.then();
assert.sameValue(checkPoint, "abc", "executor initially called with (undefined, undefined)");
var checkPoint = "";
assert.throws(TypeError, function() {
constructorFunction = function(executor) {
checkPoint += "a";
executor(undefined, function() {});
checkPoint += "b";
executor(function() {}, function() {});
checkPoint += "c";
};
promise.then();
}, "executor initially called with (undefined, function)");
assert.sameValue(checkPoint, "ab", "executor initially called with (undefined, function)");
var checkPoint = "";
assert.throws(TypeError, function() {
constructorFunction = function(executor) {
checkPoint += "a";
executor(function() {}, undefined);
checkPoint += "b";
executor(function() {}, function() {});
checkPoint += "c";
};
promise.then();
}, "executor initially called with (function, undefined)");
assert.sameValue(checkPoint, "ab", "executor initially called with (function, undefined)");
var checkPoint = "";
assert.throws(TypeError, function() {
constructorFunction = function(executor) {
checkPoint += "a";
executor("invalid value", 123);
checkPoint += "b";
executor(function() {}, function() {});
checkPoint += "c";
};
promise.then();
}, "executor initially called with (String, Number)");
assert.sameValue(checkPoint, "ab", "executor initially called with (String, Number)");
|
