Pierre Ossman
b91b1e8edc
It was overlooked in the previous commit because we couldn't feed empty data messages through the test framework.
84 lines
3.0 KiB
JavaScript
84 lines
3.0 KiB
JavaScript
const expect = chai.expect;
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import Websock from '../core/websock.js';
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import Display from '../core/display.js';
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import CopyRectDecoder from '../core/decoders/copyrect.js';
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import FakeWebSocket from './fake.websocket.js';
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function testDecodeRect(decoder, x, y, width, height, data, display, depth) {
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let sock;
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sock = new Websock;
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sock.open("ws://example.com");
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sock.on('message', () => {
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decoder.decodeRect(x, y, width, height, sock, display, depth);
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});
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// Empty messages are filtered at multiple layers, so we need to
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// do a direct call
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if (data.length === 0) {
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decoder.decodeRect(x, y, width, height, sock, display, depth);
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} else {
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sock._websocket._receiveData(new Uint8Array(data));
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}
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display.flip();
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}
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describe('CopyRect Decoder', function () {
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let decoder;
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let display;
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before(FakeWebSocket.replace);
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after(FakeWebSocket.restore);
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beforeEach(function () {
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decoder = new CopyRectDecoder();
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display = new Display(document.createElement('canvas'));
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display.resize(4, 4);
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});
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it('should handle the CopyRect encoding', function () {
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// seed some initial data to copy
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display.fillRect(0, 0, 4, 4, [ 0x11, 0x22, 0x33 ]);
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display.fillRect(0, 0, 2, 2, [ 0x00, 0x00, 0xff ]);
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display.fillRect(2, 0, 2, 2, [ 0x00, 0xff, 0x00 ]);
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testDecodeRect(decoder, 0, 2, 2, 2,
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[0x00, 0x02, 0x00, 0x00],
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display, 24);
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testDecodeRect(decoder, 2, 2, 2, 2,
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[0x00, 0x00, 0x00, 0x00],
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display, 24);
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let targetData = new Uint8Array([
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0x00, 0x00, 0xff, 255, 0x00, 0x00, 0xff, 255, 0x00, 0xff, 0x00, 255, 0x00, 0xff, 0x00, 255,
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0x00, 0x00, 0xff, 255, 0x00, 0x00, 0xff, 255, 0x00, 0xff, 0x00, 255, 0x00, 0xff, 0x00, 255,
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0x00, 0xff, 0x00, 255, 0x00, 0xff, 0x00, 255, 0x00, 0x00, 0xff, 255, 0x00, 0x00, 0xff, 255,
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0x00, 0xff, 0x00, 255, 0x00, 0xff, 0x00, 255, 0x00, 0x00, 0xff, 255, 0x00, 0x00, 0xff, 255
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]);
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expect(display).to.have.displayed(targetData);
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});
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it('should handle empty rects', function () {
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display.fillRect(0, 0, 4, 4, [ 0x00, 0x00, 0xff ]);
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display.fillRect(2, 0, 2, 2, [ 0x00, 0xff, 0x00 ]);
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display.fillRect(0, 2, 2, 2, [ 0x00, 0xff, 0x00 ]);
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testDecodeRect(decoder, 1, 2, 0, 0, [0x00, 0x00, 0x00, 0x00], display, 24);
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let targetData = new Uint8Array([
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0x00, 0x00, 0xff, 255, 0x00, 0x00, 0xff, 255, 0x00, 0xff, 0x00, 255, 0x00, 0xff, 0x00, 255,
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0x00, 0x00, 0xff, 255, 0x00, 0x00, 0xff, 255, 0x00, 0xff, 0x00, 255, 0x00, 0xff, 0x00, 255,
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0x00, 0xff, 0x00, 255, 0x00, 0xff, 0x00, 255, 0x00, 0x00, 0xff, 255, 0x00, 0x00, 0xff, 255,
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0x00, 0xff, 0x00, 255, 0x00, 0xff, 0x00, 255, 0x00, 0x00, 0xff, 255, 0x00, 0x00, 0xff, 255
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]);
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expect(display).to.have.displayed(targetData);
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});
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});
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