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'use strict';
var chai = require('chai');
require('../cborg.js');
var byteUtils = require('../lib/byte-utils.js');
var decode = require('../lib/decode.js');
var encode = require('../lib/encode.js');
function _interopDefaultLegacy (e) { return e && typeof e === 'object' && 'default' in e ? e : { 'default': e }; }
var chai__default = /*#__PURE__*/_interopDefaultLegacy(chai);
const {assert} = chai__default["default"];
const fixtures = [
{
data: 'a0',
expected: {},
type: 'map empty'
},
{
data: 'a0',
expected: new Map(),
type: 'map empty (useMaps)',
useMaps: true
},
{
data: 'a1616101',
expected: { a: 1 },
type: 'map 1 pair'
},
{
data: 'a161316161',
expected: { 1: 'a' },
type: 'map 1 pair (rev)'
},
{
data: 'a1016161',
expected: toMap([[
1,
'a'
]]),
type: 'map 1 pair (int key as Map w/ useMaps)',
useMaps: true
},
{
data: 'a243010203633132334302030463323334',
expected: toMap([
[
Uint8Array.from([
1,
2,
3
]),
'123'
],
[
Uint8Array.from([
2,
3,
4
]),
'234'
]
]),
type: 'map 2 pair (bytes keys Map w/ useMaps)',
useMaps: true
},
{
data: 'a1666f626a656374a16477697468a26134666e6573746564676f626a65637473a161216121',
expected: {
object: {
with: {
4: 'nested',
objects: { '!': '!' }
}
}
},
type: 'map nested'
},
{
data: 'a1666f626a656374a16477697468a204666e6573746564676f626a65637473a161216121',
expected: toMap([[
'object',
toMap([[
'with',
toMap([
[
4,
'nested'
],
[
'objects',
toMap([[
'!',
'!'
]])
]
])
]])
]]),
type: 'map nested w/ useMaps',
useMaps: true
},
{
data: 'ae636f6e651b0016db6db6db6db763736978206374656e3b0016db6db6db6db76374776f1a0001000064666976650064666f757202646e696e653aa5f702b365656967687438ff65736576656e226574687265651901f466656c6576656e426131667477656c76656fc48c6175657320c39f76c49b74652168666f75727465656ea4616664666f7572616f016174026274680368746869727465656e840203046466697665',
encode: {
one: Number.MAX_SAFE_INTEGER / 1.4,
two: 65536,
three: 500,
four: 2,
five: 0,
six: -1,
seven: -3,
eight: -256,
nine: -2784428724,
ten: Number.MIN_SAFE_INTEGER / 1.4 - 1,
eleven: new TextEncoder().encode('a1'),
twelve: 'Čaues ßvěte!',
thirteen: [
2,
3,
4,
'five'
],
fourteen: {
o: 1,
t: 2,
th: 3,
f: 'four'
}
},
expected: {
one: Number.MAX_SAFE_INTEGER / 1.4,
six: -1,
ten: Number.MIN_SAFE_INTEGER / 1.4 - 1,
two: 65536,
five: 0,
four: 2,
nine: -2784428724,
eight: -256,
seven: -3,
three: 500,
eleven: new TextEncoder().encode('a1'),
twelve: 'Čaues ßvěte!',
fourteen: {
f: 'four',
o: 1,
t: 2,
th: 3
},
thirteen: [
2,
3,
4,
'five'
]
},
type: 'map with complex entries',
label: '{}'
},
{
data: 'ad01636f6e65026374776f1901f46c666976652068756e647265641902586b7369782068756e647265641a00010000636269671b0016db6db6db6db76662696767657220696d696e7573206f6e6521696d696e75732074776f38ff781f6d696e75732074776f2068756e6472656420616e64206669667479207369783901f4781a6d696e757820666976652068756e6472656420616e64206f6e653901f5781a6d696e757820666976652068756e6472656420616e642074776f3aa5f702b367626967206e65673b0016db6db6db6db76a626967676572206e6567',
encode: toMap([
[
2,
'two'
],
[
1,
'one'
],
[
-2,
'minus two'
],
[
-1,
'minus one'
],
[
600,
'six hundred'
],
[
500,
'five hundred'
],
[
-256,
'minus two hundred and fifty six'
],
[
-502,
'minux five hundred and two'
],
[
-501,
'minux five hundred and one'
],
[
65536,
'big'
],
[
-2784428724,
'big neg'
],
[
6433713753386423,
'bigger'
],
[
-6433713753386424,
'bigger neg'
]
]),
expected: toMap([
[
1,
'one'
],
[
2,
'two'
],
[
500,
'five hundred'
],
[
600,
'six hundred'
],
[
65536,
'big'
],
[
6433713753386423,
'bigger'
],
[
-1,
'minus one'
],
[
-2,
'minus two'
],
[
-256,
'minus two hundred and fifty six'
],
[
-501,
'minux five hundred and one'
],
[
-502,
'minux five hundred and two'
],
[
-2784428724,
'big neg'
],
[
-6433713753386424,
'bigger neg'
]
]),
type: 'map with ints and negints',
useMaps: true
},
{
data: 'a44104636f6e65430102026374776f430102036574687265654301020464666f7572',
encode: toMap([
[
Uint8Array.from([
1,
2,
3
]),
'three'
],
[
Uint8Array.from([4]),
'one'
],
[
Uint8Array.from([
1,
2,
4
]),
'four'
],
[
Uint8Array.from([
1,
2,
2
]),
'two'
]
]),
expected: toMap([
[
Uint8Array.from([4]),
'one'
],
[
Uint8Array.from([
1,
2,
2
]),
'two'
],
[
Uint8Array.from([
1,
2,
3
]),
'three'
],
[
Uint8Array.from([
1,
2,
4
]),
'four'
]
]),
type: 'map with bytes keys',
useMaps: true
},
{
data: 'b801616101',
expected: { a: 1 },
type: 'map 1 pair, length8',
strict: false
},
{
data: 'b90001616101',
expected: { a: 1 },
type: 'map 1 pair, length16',
strict: false
},
{
data: 'ba00000001616101',
expected: { a: 1 },
type: 'map 1 pair, length32',
strict: false
},
{
data: 'bb0000000000000001616101',
expected: { a: 1 },
type: 'map 1 pair, length64',
strict: false
}
];
function toMap(arr) {
const m = new Map();
for (const [key, value] of arr) {
m.set(key, value);
}
return m;
}
function entries(map) {
function nest(a) {
for (const e of a) {
e[0] = entries(e[0]);
e[1] = entries(e[1]);
}
return a;
}
if (Object.getPrototypeOf(map) === Map.prototype) {
return nest([...map.entries()]);
}
if (typeof map === 'object') {
return nest([...Object.entries(map)]);
}
return map;
}
describe('map', () => {
describe('decode', () => {
for (const fixture of fixtures) {
const data = byteUtils.fromHex(fixture.data);
it(`should decode ${ fixture.type }=${ fixture.label || JSON.stringify(fixture.expected) }`, () => {
let options = fixture.useMaps ? { useMaps: true } : undefined;
const decoded = decode.decode(data, options);
if (fixture.useMaps) {
assert.strictEqual(Object.getPrototypeOf(decoded), Map.prototype, 'is Map');
} else {
assert.isObject(decoded, 'is object');
}
assert.deepStrictEqual(entries(decoded), entries(fixture.expected), `decode ${ fixture.type }`);
options = Object.assign({ strict: true }, options);
if (fixture.strict === false) {
assert.throws(() => decode.decode(data, options), Error, 'CBOR decode error: integer encoded in more bytes than necessary (strict decode)');
} else {
assert.deepStrictEqual(entries(decode.decode(data, options)), entries(fixture.expected), `decode ${ fixture.type }`);
}
});
it('should fail to decode very large length', () => {
assert.throws(() => decode.decode(byteUtils.fromHex('bba5f702b3a5f70201616101')), /CBOR decode error: 64-bit integer map lengths not supported/);
});
}
it('errors', () => {
assert.throws(() => decode.decode(byteUtils.fromHex('a1016161')), /non-string keys not supported \(got number\)/);
});
});
describe('encode', () => {
for (const fixture of fixtures) {
it(`should encode ${ fixture.type }=${ fixture.label || JSON.stringify(fixture.expected) }`, () => {
const toEncode = fixture.encode || fixture.expected;
if (fixture.unsafe) {
assert.throws(encode.encode.bind(null, toEncode), Error, /^CBOR encode error: number too large to encode \(\d+\)$/);
} else if (fixture.strict === false || fixture.roundtrip === false) {
assert.notDeepEqual(byteUtils.toHex(encode.encode(toEncode)), fixture.data, `encode ${ fixture.type } !strict`);
} else {
assert.strictEqual(byteUtils.toHex(encode.encode(toEncode)), fixture.data, `encode ${ fixture.type }`);
}
});
}
});
describe('roundtrip', () => {
for (const fixture of fixtures) {
if (!fixture.unsafe && fixture.strict !== false && fixture.roundtrip !== false) {
it(`should roundtrip ${ fixture.type }=${ fixture.label || JSON.stringify(fixture.expected) }`, () => {
const toEncode = fixture.encode || fixture.expected;
const options = fixture.useMaps ? { useMaps: true } : undefined;
const rt = decode.decode(encode.encode(toEncode), options);
if (fixture.useMaps) {
assert.strictEqual(Object.getPrototypeOf(rt), Map.prototype, 'is Map');
} else {
assert.isObject(rt, 'is object');
}
assert.deepStrictEqual(entries(rt), entries(fixture.expected), `roundtrip ${ fixture.type }`);
});
}
}
});
describe('specials', () => {
it('can decode indefinite length items', () => {
assert.deepStrictEqual(decode.decode(byteUtils.fromHex('bf616f01617402ff')), {
o: 1,
t: 2
});
});
it('can switch off indefinite length support', () => {
assert.throws(() => decode.decode(byteUtils.fromHex('bf616f01617402ff'), { allowIndefinite: false }), /indefinite/);
});
});
describe('sorting', () => {
it('sorts int map keys', () => {
assert.strictEqual(byteUtils.toHex(encode.encode(new Map([
[
1,
1
],
[
2,
2
]
]))), 'a201010202');
assert.strictEqual(byteUtils.toHex(encode.encode(new Map([
[
2,
1
],
[
1,
2
]
]))), 'a201020201');
});
it('sorts negint map keys', () => {
assert.strictEqual(byteUtils.toHex(encode.encode(new Map([
[
-1,
1
],
[
-2,
2
]
]))), 'a220012102');
assert.strictEqual(byteUtils.toHex(encode.encode(new Map([
[
-2,
1
],
[
-1,
2
]
]))), 'a220022101');
});
it('sorts bytes map keys', () => {
assert.strictEqual(byteUtils.toHex(encode.encode(new Map([
[
Uint8Array.from([
1,
2
]),
1
],
[
Uint8Array.from([
2,
1
]),
2
]
]))), 'a24201020142020102');
assert.strictEqual(byteUtils.toHex(encode.encode(new Map([
[
Uint8Array.from([
2,
1
]),
1
],
[
Uint8Array.from([
1,
2
]),
2
]
]))), 'a24201020242020101');
assert.strictEqual(byteUtils.toHex(encode.encode(new Map([
[
Uint8Array.from([
1,
2
]),
1
],
[
Uint8Array.from([
2,
1
]),
2
],
[
Uint8Array.from([200]),
3
]
]))), 'a341c8034201020142020102');
});
it('sorts bytes map keys', () => {
assert.strictEqual(byteUtils.toHex(encode.encode(new Map([
[
Uint8Array.from([
1,
2
]),
1
],
[
Uint8Array.from([
2,
1
]),
2
]
]))), 'a24201020142020102');
assert.strictEqual(byteUtils.toHex(encode.encode(new Map([
[
Uint8Array.from([
2,
1
]),
1
],
[
Uint8Array.from([
1,
2
]),
2
]
]))), 'a24201020242020101');
assert.strictEqual(byteUtils.toHex(encode.encode(new Map([
[
Uint8Array.from([
1,
2
]),
1
],
[
Uint8Array.from([
2,
1
]),
2
],
[
Uint8Array.from([200]),
3
]
]))), 'a341c8034201020142020102');
});
it('sorts array map keys (length only)', () => {
assert.strictEqual(byteUtils.toHex(encode.encode(new Map([
[
[1],
1
],
[
[
1,
1
],
2
]
]))), 'a281010182010102');
assert.strictEqual(byteUtils.toHex(encode.encode(new Map([
[
[
1,
1
],
1
],
[
[1],
2
]
]))), 'a281010282010101');
});
it('sorts map map keys (length only)', () => {
assert.strictEqual(byteUtils.toHex(encode.encode(new Map([
[
{ a: 1 },
1
],
[
{
a: 1,
b: 1
},
2
]
]))), 'a2a161610101a261610161620102');
assert.strictEqual(byteUtils.toHex(encode.encode(new Map([
[
{
a: 1,
b: 1
},
1
],
[
{ a: 1 },
2
]
]))), 'a2a161610102a261610161620101');
});
});
});