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
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
|
import { describe, it, expect } from "bun:test";
it("buffer", () => {
var buf = new Buffer(20);
// if this fails or infinitely loops, it means there is a memory issue with the JSC::Structure object
expect(Object.keys(buf).length > 0).toBe(true);
expect(buf.write("hello world ")).toBe(12);
expect(buf.toString("utf8", 0, "hello world ".length)).toBe("hello world ");
expect(buf.toString("base64url", 0, "hello world ".length)).toBe(
btoa("hello world ")
);
expect(buf instanceof Uint8Array).toBe(true);
expect(buf instanceof Buffer).toBe(true);
expect(buf.slice() instanceof Uint8Array).toBe(true);
expect(buf.slice(0, 1) instanceof Buffer).toBe(true);
expect(buf.slice(0, 1) instanceof Uint8Array).toBe(true);
expect(buf.slice(0, 1) instanceof Buffer).toBe(true);
});
it("Buffer", () => {
var inputs = [
"hello world",
"hello world".repeat(100),
`😋 Get Emoji — All Emojis to ✂️ Copy and 📋 Paste 👌`,
];
var good = inputs.map((a) => new TextEncoder().encode(a));
for (let i = 0; i < inputs.length; i++) {
var input = inputs[i];
expect(new Buffer(input).toString("utf8")).toBe(inputs[i]);
expect(Array.from(new Buffer(input)).join(",")).toBe(good[i].join(","));
}
for (let i = 0; i < inputs.length; i++) {
var input = inputs[i];
expect(new Buffer(input, "ucs2").toString("utf8")).toBe(inputs[i]);
}
});
it("Buffer.toBuffer throws", () => {
const checks = [
[],
{},
"foo",
new Uint16Array(),
new DataView(new Uint8Array(14).buffer),
];
for (let i = 0; i < checks.length; i++) {
try {
Buffer.toBuffer(checks[i]);
expect(false).toBe(true);
} catch (exception) {
expect(exception.message).toBe("Expected Uint8Array");
}
}
expect(true).toBe(true);
});
it("Buffer.toBuffer works", () => {
var array = new Uint8Array(20);
expect(array instanceof Buffer).toBe(false);
var buf = Buffer.toBuffer(array);
expect(array instanceof Buffer).toBe(true);
// if this fails or infinitely loops, it means there is a memory issue with the JSC::Structure object
expect(Object.keys(buf).length > 0).toBe(true);
expect(buf.write("hello world ")).toBe(12);
expect(buf.toString("utf8", 0, "hello world ".length)).toBe("hello world ");
expect(buf.toString("base64url", 0, "hello world ".length)).toBe(
btoa("hello world ")
);
expect(buf instanceof Uint8Array).toBe(true);
expect(buf instanceof Buffer).toBe(true);
expect(buf.slice() instanceof Uint8Array).toBe(true);
expect(buf.slice(0, 1) instanceof Buffer).toBe(true);
expect(buf.slice(0, 1) instanceof Uint8Array).toBe(true);
expect(buf.slice(0, 1) instanceof Buffer).toBe(true);
expect(new Buffer(buf) instanceof Buffer).toBe(true);
expect(new Buffer(buf.buffer) instanceof Buffer).toBe(true);
});
it("writeInt", () => {
var buf = new Buffer(1024);
var data = new DataView(buf.buffer);
buf.writeInt32BE(100);
expect(data.getInt32(0, false)).toBe(100);
buf.writeInt32BE(100);
expect(data.getInt32(0, false)).toBe(100);
var childBuf = buf.subarray(0, 4);
expect(data.getInt32(0, false)).toBe(100);
expect(childBuf.readInt32BE(0, false)).toBe(100);
});
it("read", () => {
var buf = new Buffer(1024);
var data = new DataView(buf.buffer);
function reset() {
new Uint8Array(buf.buffer).fill(0);
}
data.setBigInt64(0, BigInt(1000), false);
expect(buf.readBigInt64BE(0)).toBe(BigInt(1000));
reset();
data.setBigInt64(0, BigInt(1000), false);
expect(buf.readBigInt64LE(0)).toBe(BigInt(1000));
reset();
data.setBigUint64(0, BigInt(1000), false);
expect(buf.readBigUInt64BE(0)).toBe(BigInt(1000));
reset();
data.setBigUint64(0, BigInt(1000), false);
expect(buf.readBigUInt64LE(0)).toBe(BigInt(1000));
reset();
data.setFloat64(0, 1000, false);
expect(buf.readDoubleBE(0)).toBe(1000);
reset();
data.setFloat64(0, 1000, true);
expect(buf.readDoubleLE(0)).toBe(1000);
reset();
data.setFloat32(0, 1000, false);
expect(buf.readFloatBE(0)).toBe(1000);
reset();
data.setFloat32(0, 1000, true);
expect(buf.readFloatLE(0)).toBe(1000);
reset();
data.setInt16(0, 1000, false);
expect(buf.readInt16BE(0)).toBe(1000);
reset();
data.setInt16(0, 1000, true);
expect(buf.readInt16LE(0)).toBe(1000);
reset();
data.setInt32(0, 1000, false);
expect(buf.readInt32BE(0)).toBe(1000);
reset();
data.setInt32(0, 1000, true);
expect(buf.readInt32LE(0)).toBe(1000);
reset();
data.setInt8(0, 100, false);
expect(buf.readInt8(0)).toBe(100);
reset();
data.setUint16(0, 1000, false);
expect(buf.readUInt16BE(0)).toBe(1000);
reset();
data.setUint16(0, 1000, true);
expect(buf.readUInt16LE(0)).toBe(1000);
reset();
data.setUint32(0, 1000, false);
expect(buf.readUInt32BE(0)).toBe(1000);
reset();
data.setUint32(0, 1000, true);
expect(buf.readUInt32LE(0)).toBe(1000);
reset();
data.setUint8(0, 255, false);
expect(buf.readUInt8(0)).toBe(255);
reset();
data.setUint8(0, 255, false);
expect(buf.readUInt8(0)).toBe(255);
reset();
});
|
