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KasmVNC/kasmweb/tests/test.tight.js
Pierre Ossman 5752bf8ab7 Add tests for the Tight decoders
2021-03-29 12:36:42 +03:00

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const expect = chai.expect;
import Websock from '../core/websock.js';
import Display from '../core/display.js';
import TightDecoder from '../core/decoders/tight.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();
}
describe('Tight Decoder', function () {
let decoder;
let display;
before(FakeWebSocket.replace);
after(FakeWebSocket.restore);
beforeEach(function () {
decoder = new TightDecoder();
display = new Display(document.createElement('canvas'));
display.resize(4, 4);
});
it('should handle fill rects', function () {
testDecodeRect(decoder, 0, 0, 4, 4,
[0x80, 0xff, 0x88, 0x44],
display, 24);
let targetData = new Uint8Array([
0xff, 0x88, 0x44, 255, 0xff, 0x88, 0x44, 255, 0xff, 0x88, 0x44, 255, 0xff, 0x88, 0x44, 255,
0xff, 0x88, 0x44, 255, 0xff, 0x88, 0x44, 255, 0xff, 0x88, 0x44, 255, 0xff, 0x88, 0x44, 255,
0xff, 0x88, 0x44, 255, 0xff, 0x88, 0x44, 255, 0xff, 0x88, 0x44, 255, 0xff, 0x88, 0x44, 255,
0xff, 0x88, 0x44, 255, 0xff, 0x88, 0x44, 255, 0xff, 0x88, 0x44, 255, 0xff, 0x88, 0x44, 255,
]);
expect(display).to.have.displayed(targetData);
});
it('should handle uncompressed copy rects', function () {
let blueData = [ 0x00, 0x00, 0x00, 0xff, 0x00, 0x00, 0xff ];
let greenData = [ 0x00, 0x00, 0xff, 0x00, 0x00, 0xff, 0x00 ];
testDecodeRect(decoder, 0, 0, 2, 1, blueData, display, 24);
testDecodeRect(decoder, 0, 1, 2, 1, blueData, display, 24);
testDecodeRect(decoder, 2, 0, 2, 1, greenData, display, 24);
testDecodeRect(decoder, 2, 1, 2, 1, greenData, display, 24);
testDecodeRect(decoder, 0, 2, 2, 1, greenData, display, 24);
testDecodeRect(decoder, 0, 3, 2, 1, greenData, display, 24);
testDecodeRect(decoder, 2, 2, 2, 1, blueData, display, 24);
testDecodeRect(decoder, 2, 3, 2, 1, blueData, 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);
});
it('should handle compressed copy rects', function () {
let data = [
// Control byte
0x00,
// Pixels (compressed)
0x15,
0x78, 0x9c, 0x63, 0x60, 0xf8, 0xcf, 0x00, 0x44,
0x60, 0x82, 0x01, 0x99, 0x8d, 0x29, 0x02, 0xa6,
0x00, 0x7e, 0xbf, 0x0f, 0xf1 ];
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);
});
it('should handle uncompressed mono rects', function () {
let data = [
// Control bytes
0x40, 0x01,
// Palette
0x01, 0x00, 0x00, 0xff, 0x00, 0xff, 0x00,
// Pixels
0x30, 0x30, 0xc0, 0xc0 ];
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);
});
it('should handle compressed mono rects', function () {
display.resize(4, 12);
let data = [
// Control bytes
0x40, 0x01,
// Palette
0x01, 0x00, 0x00, 0xff, 0x00, 0xff, 0x00,
// Pixels (compressed)
0x0e,
0x78, 0x9c, 0x33, 0x30, 0x38, 0x70, 0xc0, 0x00,
0x8a, 0x01, 0x21, 0x3c, 0x05, 0xa1 ];
testDecodeRect(decoder, 0, 0, 4, 12, 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,
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,
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);
});
it('should handle uncompressed palette rects', function () {
let data1 = [
// Control bytes
0x40, 0x01,
// Palette
0x02, 0x00, 0x00, 0xff, 0x00, 0xff, 0x00, 0x00, 0x00, 0x00,
// Pixels
0x00, 0x00, 0x01, 0x01, 0x00, 0x00, 0x01, 0x01 ];
let data2 = [
// Control bytes
0x40, 0x01,
// Palette
0x02, 0x00, 0x00, 0xff, 0x00, 0xff, 0x00, 0x00, 0x00, 0x00,
// Pixels
0x01, 0x01, 0x00, 0x00, 0x01, 0x01, 0x00, 0x00 ];
testDecodeRect(decoder, 0, 0, 4, 2, data1, display, 24);
testDecodeRect(decoder, 0, 2, 4, 2, data2, 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);
});
it('should handle compressed palette rects', function () {
let data = [
// Control bytes
0x40, 0x01,
// Palette
0x02, 0x00, 0x00, 0xff, 0x00, 0xff, 0x00, 0x00, 0x00, 0x00,
// Pixels (compressed)
0x12,
0x78, 0x9c, 0x63, 0x60, 0x60, 0x64, 0x64, 0x00,
0x62, 0x08, 0xc9, 0xc0, 0x00, 0x00, 0x00, 0x54,
0x00, 0x09 ];
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);
});
it.skip('should handle uncompressed gradient rects', function () {
// Not implemented yet
});
it.skip('should handle compressed gradient rects', function () {
// Not implemented yet
});
it('should handle JPEG rects', function (done) {
let data = [
// Control bytes
0x90, 0xd6, 0x05,
// JPEG data
0xff, 0xd8, 0xff, 0xe0, 0x00, 0x10, 0x4a, 0x46,
0x49, 0x46, 0x00, 0x01, 0x01, 0x01, 0x00, 0x48,
0x00, 0x48, 0x00, 0x00, 0xff, 0xfe, 0x00, 0x13,
0x43, 0x72, 0x65, 0x61, 0x74, 0x65, 0x64, 0x20,
0x77, 0x69, 0x74, 0x68, 0x20, 0x47, 0x49, 0x4d,
0x50, 0xff, 0xdb, 0x00, 0x43, 0x00, 0x01, 0x01,
0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0xff, 0xdb,
0x00, 0x43, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
0x01, 0x01, 0x01, 0xff, 0xc2, 0x00, 0x11, 0x08,
0x00, 0x04, 0x00, 0x04, 0x03, 0x01, 0x11, 0x00,
0x02, 0x11, 0x01, 0x03, 0x11, 0x01, 0xff, 0xc4,
0x00, 0x14, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x07, 0xff, 0xc4, 0x00, 0x14,
0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x08, 0xff, 0xda, 0x00, 0x0c, 0x03, 0x01,
0x00, 0x02, 0x10, 0x03, 0x10, 0x00, 0x00, 0x01,
0x1e, 0x0a, 0xa7, 0x7f, 0xff, 0xc4, 0x00, 0x14,
0x10, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x05, 0xff, 0xda, 0x00, 0x08, 0x01, 0x01,
0x00, 0x01, 0x05, 0x02, 0x5d, 0x74, 0x41, 0x47,
0xff, 0xc4, 0x00, 0x1f, 0x11, 0x00, 0x01, 0x04,
0x02, 0x02, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x06, 0x04, 0x05,
0x07, 0x08, 0x14, 0x16, 0x03, 0x15, 0x17, 0x25,
0x26, 0xff, 0xda, 0x00, 0x08, 0x01, 0x03, 0x01,
0x01, 0x3f, 0x01, 0xad, 0x35, 0xa6, 0x13, 0xb8,
0x10, 0x98, 0x5d, 0x8a, 0xb1, 0x41, 0x7e, 0x43,
0x99, 0x24, 0x3d, 0x8f, 0x70, 0x30, 0xd8, 0xcb,
0x44, 0xbb, 0x7d, 0x48, 0xb5, 0xf8, 0x18, 0x7f,
0xe7, 0xc1, 0x9f, 0x86, 0x45, 0x9b, 0xfa, 0xf1,
0x61, 0x96, 0x46, 0xbf, 0x56, 0xc8, 0x8b, 0x2b,
0x0b, 0x35, 0x6e, 0x4b, 0x8a, 0x95, 0x6a, 0xf9,
0xff, 0x00, 0xff, 0xc4, 0x00, 0x1f, 0x11, 0x00,
0x01, 0x04, 0x02, 0x02, 0x03, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03,
0x02, 0x04, 0x05, 0x12, 0x13, 0x14, 0x01, 0x06,
0x11, 0x22, 0x23, 0xff, 0xda, 0x00, 0x08, 0x01,
0x02, 0x01, 0x01, 0x3f, 0x01, 0x85, 0x85, 0x8c,
0xec, 0x31, 0x8d, 0xa6, 0x26, 0x1b, 0x6e, 0x48,
0xbc, 0xcd, 0xb0, 0xe3, 0x33, 0x86, 0xf9, 0x35,
0xdc, 0x15, 0xa8, 0xbe, 0x4d, 0x4a, 0x10, 0x22,
0x80, 0x00, 0x91, 0xe8, 0x24, 0xda, 0xb6, 0x57,
0x95, 0xf2, 0xa5, 0x73, 0xff, 0xc4, 0x00, 0x1e,
0x10, 0x00, 0x01, 0x04, 0x03, 0x00, 0x03, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x03, 0x01, 0x02, 0x04, 0x12, 0x05, 0x11,
0x13, 0x14, 0x22, 0x23, 0xff, 0xda, 0x00, 0x08,
0x01, 0x01, 0x00, 0x06, 0x3f, 0x02, 0x91, 0x89,
0xc4, 0xc8, 0xf1, 0x60, 0x45, 0xe5, 0xc0, 0x1c,
0x80, 0x7a, 0x77, 0x00, 0xe4, 0x97, 0xeb, 0x24,
0x66, 0x33, 0xac, 0x63, 0x11, 0xfe, 0xe4, 0x76,
0xad, 0x56, 0xe9, 0xa8, 0x88, 0x9f, 0xff, 0xc4,
0x00, 0x14, 0x10, 0x01, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0xff, 0xda, 0x00, 0x08,
0x01, 0x01, 0x00, 0x01, 0x3f, 0x21, 0x68, 0x3f,
0x92, 0x17, 0x81, 0x1f, 0x7f, 0xff, 0xda, 0x00,
0x0c, 0x03, 0x01, 0x00, 0x02, 0x00, 0x03, 0x00,
0x00, 0x00, 0x10, 0x5f, 0xff, 0xc4, 0x00, 0x14,
0x11, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0xff, 0xda, 0x00, 0x08, 0x01, 0x03,
0x01, 0x01, 0x3f, 0x10, 0x03, 0xeb, 0x11, 0xe4,
0xa7, 0xe3, 0xff, 0x00, 0xff, 0xc4, 0x00, 0x14,
0x11, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0xff, 0xda, 0x00, 0x08, 0x01, 0x02,
0x01, 0x01, 0x3f, 0x10, 0x6b, 0xd3, 0x02, 0xdc,
0x9a, 0xf4, 0xff, 0x00, 0xff, 0xc4, 0x00, 0x14,
0x10, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0xff, 0xda, 0x00, 0x08, 0x01, 0x01,
0x00, 0x01, 0x3f, 0x10, 0x62, 0x7b, 0x3a, 0xd0,
0x3f, 0xeb, 0xff, 0x00, 0xff, 0xd9,
];
testDecodeRect(decoder, 0, 0, 4, 4, data, display, 24);
// We got some rounding errors when we compressed things,
// hence not perfect 0xff/0x00 values
let targetData = new Uint8Array([
0xfe, 0x00, 0x00, 255, 0xfe, 0x00, 0x00, 255, 0x00, 0xff, 0x01, 255, 0x00, 0xff, 0x01, 255,
0xfe, 0x00, 0x00, 255, 0xfd, 0x00, 0x00, 255, 0x00, 0xff, 0x01, 255, 0x01, 0xff, 0x02, 255,
0x00, 0xff, 0x01, 255, 0x00, 0xff, 0x01, 255, 0xfe, 0x00, 0x00, 255, 0xfe, 0x00, 0x00, 255,
0x00, 0xff, 0x01, 255, 0x01, 0xff, 0x00, 255, 0xfe, 0x00, 0x00, 255, 0xfd, 0x01, 0x00, 255
]);
display.onflush = () => {
expect(display).to.have.displayed(targetData);
done();
};
display.flush();
});
});
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