143 lines
6.2 KiB
JavaScript
143 lines
6.2 KiB
JavaScript
import Websock from '../core/websock.js';
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import Display from '../core/display.js';
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import ZRLEDecoder from '../core/decoders/zrle.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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let done = false;
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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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done = 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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done = 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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return done;
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}
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describe('ZRLE 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 ZRLEDecoder();
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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 Raw subencoding', function () {
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let done = testDecodeRect(decoder, 0, 0, 4, 4,
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[0x00, 0x00, 0x00, 0x0e, 0x78, 0x5e,
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0x62, 0x60, 0x60, 0xf8, 0x4f, 0x12,
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0x02, 0x00, 0x00, 0x00, 0xff, 0xff],
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display, 24);
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let targetData = new Uint8Array([
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0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff,
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0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff,
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0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff,
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0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff
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]);
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expect(done).to.be.true;
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expect(display).to.have.displayed(targetData);
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});
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it('should handle the Solid subencoding', function () {
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let done = testDecodeRect(decoder, 0, 0, 4, 4,
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[0x00, 0x00, 0x00, 0x0c, 0x78, 0x5e,
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0x62, 0x64, 0x60, 0xf8, 0x0f, 0x00,
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0x00, 0x00, 0xff, 0xff],
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display, 24);
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let targetData = new Uint8Array([
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0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff,
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0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff,
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0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff,
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0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff
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]);
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expect(done).to.be.true;
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expect(display).to.have.displayed(targetData);
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});
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it('should handle the Palette Tile subencoding', function () {
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let done = testDecodeRect(decoder, 0, 0, 4, 4,
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[0x00, 0x00, 0x00, 0x12, 0x78, 0x5E,
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0x62, 0x62, 0x60, 248, 0xff, 0x9F,
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0x01, 0x08, 0x3E, 0x7C, 0x00, 0x00,
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0x00, 0x00, 0xff, 0xff],
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display, 24);
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let targetData = new Uint8Array([
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0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff,
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0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff,
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0xff, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff,
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0xff, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff
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]);
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expect(done).to.be.true;
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expect(display).to.have.displayed(targetData);
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});
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it('should handle the RLE Tile subencoding', function () {
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let done = testDecodeRect(decoder, 0, 0, 4, 4,
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[0x00, 0x00, 0x00, 0x0d, 0x78, 0x5e,
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0x6a, 0x60, 0x60, 0xf8, 0x2f, 0x00,
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0x00, 0x00, 0x00, 0xff, 0xff],
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display, 24);
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let targetData = new Uint8Array([
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0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff,
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0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff,
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0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff,
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0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff
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]);
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expect(done).to.be.true;
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expect(display).to.have.displayed(targetData);
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});
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it('should handle the RLE Palette Tile subencoding', function () {
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let done = testDecodeRect(decoder, 0, 0, 4, 4,
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[0x00, 0x00, 0x00, 0x11, 0x78, 0x5e,
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0x6a, 0x62, 0x60, 0xf8, 0xff, 0x9f,
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0x81, 0xa1, 0x81, 0x1f, 0x00, 0x00,
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0x00, 0xff, 0xff],
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display, 24);
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let targetData = new Uint8Array([
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0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff,
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0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff,
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0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff,
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0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff
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]);
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expect(done).to.be.true;
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expect(display).to.have.displayed(targetData);
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});
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it('should fail on an invalid subencoding', function () {
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let data = [0x00, 0x00, 0x00, 0x0c, 0x78, 0x5e, 0x6a, 0x64, 0x60, 0xf8, 0x0f, 0x00, 0x00, 0x00, 0xff, 0xff];
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expect(() => testDecodeRect(decoder, 0, 0, 4, 4, data, display, 24)).to.throw();
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});
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});
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