a collection of lightweight TypeScript packages for AT Protocol, the protocol powering Bluesky
atproto
bluesky
typescript
npm
chore: add dupe/canonical test
+16
+16
packages/utilities/cbor/lib/index.test.ts
+16
packages/utilities/cbor/lib/index.test.ts
···
338
338
expect(() => encode(new Map([[1, 2]]))).toThrow();
339
339
});
340
340
341
+
it('throws on non-canonically sorted map keys', () => {
342
+
// manually craft CBOR with keys in wrong order: {"bb": 1, "a": 2}
343
+
// map with 2 items (0xa2), "bb" (0x62 0x62 0x62), 1 (0x01), "a" (0x61 0x61), 2 (0x02)
344
+
const malformedCbor = new Uint8Array([0xa2, 0x62, 0x62, 0x62, 0x01, 0x61, 0x61, 0x02]);
345
+
346
+
expect(() => decode(malformedCbor)).toThrow('map keys are not in canonical order or contain duplicates');
347
+
});
348
+
349
+
it('throws on duplicate map keys', () => {
350
+
// manually craft CBOR with duplicate keys: {"a": 1, "a": 2}
351
+
// map with 2 items (0xa2), "a" (0x61 0x61), 1 (0x01), "a" (0x61 0x61), 2 (0x02)
352
+
const malformedCbor = new Uint8Array([0xa2, 0x61, 0x61, 0x01, 0x61, 0x61, 0x02]);
353
+
354
+
expect(() => decode(malformedCbor)).toThrow('map keys are not in canonical order or contain duplicates');
355
+
});
356
+
341
357
function decodeCborMultiple(bytes: Uint8Array, expected: number): unknown[] {
342
358
const values: unknown[] = [];
343
359