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
|
var tape = require("tape");
var base64 = require("..");
var strings = {
"": "",
"a": "YQ==",
"ab": "YWI=",
"abcdefg": "YWJjZGVmZw==",
"abcdefgh": "YWJjZGVmZ2g=",
"abcdefghi": "YWJjZGVmZ2hp"
};
tape.test("base64", function(test) {
Object.keys(strings).forEach(function(str) {
var enc = strings[str];
test.equal(base64.test(enc), true, "should detect '" + enc + "' to be base64 encoded");
var len = base64.length(enc);
test.equal(len, str.length, "should calculate '" + enc + "' as " + str.length + " bytes");
var buf = new Array(len);
var len2 = base64.decode(enc, buf, 0);
test.equal(len2, len, "should decode '" + enc + "' to " + len + " bytes");
test.equal(String.fromCharCode.apply(String, buf), str, "should decode '" + enc + "' to '" + str + "'");
var enc2 = base64.encode(buf, 0, buf.length);
test.equal(enc2, enc, "should encode '" + str + "' to '" + enc + "'");
});
test.throws(function() {
var buf = new Array(10);
base64.decode("YQ!", buf, 0);
}, Error, "should throw if encoding is invalid");
test.throws(function() {
var buf = new Array(10);
base64.decode("Y", buf, 0);
}, Error, "should throw if string is truncated");
test.end();
});
|
