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
|
// Copyright (C) 2015 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es6id: 21.1.2.2
description: >
Throw a RangeError if an argument is < 0 or > 0x10FFFF.
info: |
String.fromCodePoint ( ...codePoints )
1. Let codePoints be a List containing the arguments passed to this function.
2. Let length be the number of elements in codePoints.
3. Let elements be a new List.
4. Let nextIndex be 0.
5. Repeat while nextIndex < length
a. Let next be codePoints[nextIndex].
b. Let nextCP be ToNumber(next).
c. ReturnIfAbrupt(nextCP).
d. If SameValue(nextCP, ToInteger(nextCP)) is false, throw a RangeError
exception.
e. If nextCP < 0 or nextCP > 0x10FFFF, throw a RangeError exception.
...
---*/
assert.throws(RangeError, function() {
String.fromCodePoint(-1);
});
assert.throws(RangeError, function() {
String.fromCodePoint(1, -1);
});
assert.throws(RangeError, function() {
String.fromCodePoint(1114112);
});
assert.throws(RangeError, function() {
String.fromCodePoint(Infinity);
});
|
