You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
85 lines
2.5 KiB
JavaScript
85 lines
2.5 KiB
JavaScript
const expect = chai.expect;
|
|
|
|
import Websock from '../core/websock.js';
|
|
import Display from '../core/display.js';
|
|
|
|
import RREDecoder from '../core/decoders/rre.js';
|
|
|
|
import FakeWebSocket from './fake.websocket.js';
|
|
|
|
function testDecodeRect(decoder, x, y, width, height, data, display, depth) {
|
|
let sock;
|
|
|
|
sock = new Websock;
|
|
sock.open("ws://example.com");
|
|
|
|
sock.on('message', () => {
|
|
decoder.decodeRect(x, y, width, height, sock, display, depth);
|
|
});
|
|
|
|
sock._websocket._receiveData(new Uint8Array(data));
|
|
|
|
display.flip();
|
|
}
|
|
|
|
function push16(arr, num) {
|
|
arr.push((num >> 8) & 0xFF,
|
|
num & 0xFF);
|
|
}
|
|
|
|
function push32(arr, num) {
|
|
arr.push((num >> 24) & 0xFF,
|
|
(num >> 16) & 0xFF,
|
|
(num >> 8) & 0xFF,
|
|
num & 0xFF);
|
|
}
|
|
|
|
describe('RRE Decoder', function () {
|
|
let decoder;
|
|
let display;
|
|
|
|
before(FakeWebSocket.replace);
|
|
after(FakeWebSocket.restore);
|
|
|
|
beforeEach(function () {
|
|
decoder = new RREDecoder();
|
|
display = new Display(document.createElement('canvas'));
|
|
display.resize(4, 4);
|
|
});
|
|
|
|
// TODO(directxman12): test rre_chunk_sz?
|
|
|
|
it('should handle the RRE encoding', function () {
|
|
let data = [];
|
|
push32(data, 2); // 2 subrects
|
|
push32(data, 0xff00ff); // becomes 00ff00ff --> #00FF00 bg color
|
|
data.push(0xff); // becomes ff0000ff --> #0000FF color
|
|
data.push(0x00);
|
|
data.push(0x00);
|
|
data.push(0xff);
|
|
push16(data, 0); // x: 0
|
|
push16(data, 0); // y: 0
|
|
push16(data, 2); // width: 2
|
|
push16(data, 2); // height: 2
|
|
data.push(0xff); // becomes ff0000ff --> #0000FF color
|
|
data.push(0x00);
|
|
data.push(0x00);
|
|
data.push(0xff);
|
|
push16(data, 2); // x: 2
|
|
push16(data, 2); // y: 2
|
|
push16(data, 2); // width: 2
|
|
push16(data, 2); // height: 2
|
|
|
|
testDecodeRect(decoder, 0, 0, 4, 4, data, display, 24);
|
|
|
|
let targetData = new Uint8Array([
|
|
0x00, 0x00, 0xff, 255, 0x00, 0x00, 0xff, 255, 0x00, 0xff, 0x00, 255, 0x00, 0xff, 0x00, 255,
|
|
0x00, 0x00, 0xff, 255, 0x00, 0x00, 0xff, 255, 0x00, 0xff, 0x00, 255, 0x00, 0xff, 0x00, 255,
|
|
0x00, 0xff, 0x00, 255, 0x00, 0xff, 0x00, 255, 0x00, 0x00, 0xff, 255, 0x00, 0x00, 0xff, 255,
|
|
0x00, 0xff, 0x00, 255, 0x00, 0xff, 0x00, 255, 0x00, 0x00, 0xff, 255, 0x00, 0x00, 0xff, 255
|
|
]);
|
|
|
|
expect(display).to.have.displayed(targetData);
|
|
});
|
|
});
|