yetangitu/bitjs
1
0
Fork 0
mirror of https://github.com/codedread/bitjs synced 2025-10-05 18:34:17 +02:00
Code Issues Releases Wiki Activity

Beef up unit test coverage in io package.

Browse source
This commit is contained in:
Jeff Schiller 2023-11-20 22:44:41 -08:00
parent 5c4a085292
commit 2ed482879f
8 changed files with 164 additions and 25 deletions
Download patch file Download diff file Expand all files Collapse all files

29
tests/io-bytestream.spec.js
View file

@ -17,6 +17,35 @@ describe('bitjs.io.ByteStream', () => {
array = new Uint8Array(4);
});
it('throws an error without an ArrayBuffer', () => {
expect(() => new ByteStream()).throws();
expect(() => new ByteStream(array.buffer).push()).throws();
});
it('getNumBytesRead() works', () => {
const stream = new ByteStream(array.buffer);
expect(stream.getNumBytesRead()).equals(0);
stream.readBytes(1);
expect(stream.getNumBytesRead()).equals(1);
stream.readBytes(2);
expect(stream.getNumBytesRead()).equals(3);
});
it('throws when peeking a weird numbers of bytes', () => {
array[0] = 255;
const stream = new ByteStream(array.buffer);
expect(stream.peekNumber(0)).equals(0);
expect(() => stream.peekNumber(-2)).throws();
expect(() => stream.peekNumber(5)).throws();
expect(stream.peekBytes(0).length).equals(0);
expect(() => stream.peekBytes(-1)).throws();
expect(stream.peekString(0)).equals('');
expect(() => stream.peekString(-1)).throws();
expect(() => stream.peekString(5)).throws();
});
it('PeekAndRead_SingleByte', () => {
array[0] = 192;
const stream = new ByteStream(array.buffer);