KasmVNC/kasmweb/tests/test.tightpng.js
Pierre Ossman 33a113a475 Handle empty rects in RAW decoder as well
It was overlooked in the previous commit because we couldn't feed
empty data messages through the test framework.
2021-03-29 12:47:49 +03:00

138 lines
6.1 KiB
JavaScript

const expect = chai.expect;
import Websock from '../core/websock.js';
import Display from '../core/display.js';
import TightPngDecoder from '../core/decoders/tightpng.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);
});
// Empty messages are filtered at multiple layers, so we need to
// do a direct call
if (data.length === 0) {
decoder.decodeRect(x, y, width, height, sock, display, depth);
} else {
sock._websocket._receiveData(new Uint8Array(data));
}
display.flip();
}
describe('TightPng Decoder', function () {
let decoder;
let display;
before(FakeWebSocket.replace);
after(FakeWebSocket.restore);
beforeEach(function () {
decoder = new TightPngDecoder();
display = new Display(document.createElement('canvas'));
display.resize(4, 4);
});
it('should handle the TightPng encoding', function (done) {
let data = [
// Control bytes
0xa0, 0xb4, 0x04,
// PNG data
0x89, 0x50, 0x4e, 0x47, 0x0d, 0x0a, 0x1a, 0x0a,
0x00, 0x00, 0x00, 0x0d, 0x49, 0x48, 0x44, 0x52,
0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0x04,
0x08, 0x02, 0x00, 0x00, 0x00, 0x26, 0x93, 0x09,
0x29, 0x00, 0x00, 0x01, 0x84, 0x69, 0x43, 0x43,
0x50, 0x49, 0x43, 0x43, 0x20, 0x70, 0x72, 0x6f,
0x66, 0x69, 0x6c, 0x65, 0x00, 0x00, 0x28, 0x91,
0x7d, 0x91, 0x3d, 0x48, 0xc3, 0x40, 0x18, 0x86,
0xdf, 0xa6, 0x6a, 0x45, 0x2a, 0x0e, 0x76, 0x10,
0x71, 0x08, 0x52, 0x9d, 0x2c, 0x88, 0x8a, 0x38,
0x6a, 0x15, 0x8a, 0x50, 0x21, 0xd4, 0x0a, 0xad,
0x3a, 0x98, 0x5c, 0xfa, 0x07, 0x4d, 0x1a, 0x92,
0x14, 0x17, 0x47, 0xc1, 0xb5, 0xe0, 0xe0, 0xcf,
0x62, 0xd5, 0xc1, 0xc5, 0x59, 0x57, 0x07, 0x57,
0x41, 0x10, 0xfc, 0x01, 0x71, 0x72, 0x74, 0x52,
0x74, 0x91, 0x12, 0xbf, 0x4b, 0x0a, 0x2d, 0x62,
0xbc, 0xe3, 0xb8, 0x87, 0xf7, 0xbe, 0xf7, 0xe5,
0xee, 0x3b, 0x40, 0xa8, 0x97, 0x99, 0x66, 0x75,
0x8c, 0x03, 0x9a, 0x6e, 0x9b, 0xa9, 0x44, 0x5c,
0xcc, 0x64, 0x57, 0xc5, 0xd0, 0x2b, 0xba, 0x68,
0x86, 0x31, 0x8c, 0x2e, 0x99, 0x59, 0xc6, 0x9c,
0x24, 0x25, 0xe1, 0x3b, 0xbe, 0xee, 0x11, 0xe0,
0xfb, 0x5d, 0x8c, 0x67, 0xf9, 0xd7, 0xfd, 0x39,
0x7a, 0xd5, 0x9c, 0xc5, 0x80, 0x80, 0x48, 0x3c,
0xcb, 0x0c, 0xd3, 0x26, 0xde, 0x20, 0x9e, 0xde,
0xb4, 0x0d, 0xce, 0xfb, 0xc4, 0x11, 0x56, 0x94,
0x55, 0xe2, 0x73, 0xe2, 0x31, 0x93, 0x2e, 0x48,
0xfc, 0xc8, 0x75, 0xc5, 0xe3, 0x37, 0xce, 0x05,
0x97, 0x05, 0x9e, 0x19, 0x31, 0xd3, 0xa9, 0x79,
0xe2, 0x08, 0xb1, 0x58, 0x68, 0x63, 0xa5, 0x8d,
0x59, 0xd1, 0xd4, 0x88, 0xa7, 0x88, 0xa3, 0xaa,
0xa6, 0x53, 0xbe, 0x90, 0xf1, 0x58, 0xe5, 0xbc,
0xc5, 0x59, 0x2b, 0x57, 0x59, 0xf3, 0x9e, 0xfc,
0x85, 0xe1, 0x9c, 0xbe, 0xb2, 0xcc, 0x75, 0x5a,
0x43, 0x48, 0x60, 0x11, 0x4b, 0x90, 0x20, 0x42,
0x41, 0x15, 0x25, 0x94, 0x61, 0x23, 0x46, 0xbb,
0x4e, 0x8a, 0x85, 0x14, 0x9d, 0xc7, 0x7d, 0xfc,
0x83, 0xae, 0x5f, 0x22, 0x97, 0x42, 0xae, 0x12,
0x18, 0x39, 0x16, 0x50, 0x81, 0x06, 0xd9, 0xf5,
0x83, 0xff, 0xc1, 0xef, 0xde, 0x5a, 0xf9, 0xc9,
0x09, 0x2f, 0x29, 0x1c, 0x07, 0x3a, 0x5f, 0x1c,
0xe7, 0x63, 0x04, 0x08, 0xed, 0x02, 0x8d, 0x9a,
0xe3, 0x7c, 0x1f, 0x3b, 0x4e, 0xe3, 0x04, 0x08,
0x3e, 0x03, 0x57, 0x7a, 0xcb, 0x5f, 0xa9, 0x03,
0x33, 0x9f, 0xa4, 0xd7, 0x5a, 0x5a, 0xf4, 0x08,
0xe8, 0xdb, 0x06, 0x2e, 0xae, 0x5b, 0x9a, 0xb2,
0x07, 0x5c, 0xee, 0x00, 0x03, 0x4f, 0x86, 0x6c,
0xca, 0xae, 0x14, 0xa4, 0x25, 0xe4, 0xf3, 0xc0,
0xfb, 0x19, 0x7d, 0x53, 0x16, 0xe8, 0xbf, 0x05,
0x7a, 0xd6, 0xbc, 0xbe, 0x35, 0xcf, 0x71, 0xfa,
0x00, 0xa4, 0xa9, 0x57, 0xc9, 0x1b, 0xe0, 0xe0,
0x10, 0x18, 0x2d, 0x50, 0xf6, 0xba, 0xcf, 0xbb,
0xbb, 0xdb, 0xfb, 0xf6, 0x6f, 0x4d, 0xb3, 0x7f,
0x3f, 0x0a, 0x27, 0x72, 0x7d, 0x49, 0x29, 0x8b,
0xbb, 0x00, 0x00, 0x00, 0x09, 0x70, 0x48, 0x59,
0x73, 0x00, 0x00, 0x2e, 0x23, 0x00, 0x00, 0x2e,
0x23, 0x01, 0x78, 0xa5, 0x3f, 0x76, 0x00, 0x00,
0x00, 0x07, 0x74, 0x49, 0x4d, 0x45, 0x07, 0xe4,
0x06, 0x06, 0x0c, 0x23, 0x1d, 0x3f, 0x9f, 0xbb,
0x94, 0x00, 0x00, 0x00, 0x19, 0x74, 0x45, 0x58,
0x74, 0x43, 0x6f, 0x6d, 0x6d, 0x65, 0x6e, 0x74,
0x00, 0x43, 0x72, 0x65, 0x61, 0x74, 0x65, 0x64,
0x20, 0x77, 0x69, 0x74, 0x68, 0x20, 0x47, 0x49,
0x4d, 0x50, 0x57, 0x81, 0x0e, 0x17, 0x00, 0x00,
0x00, 0x1e, 0x49, 0x44, 0x41, 0x54, 0x08, 0xd7,
0x65, 0xc9, 0xb1, 0x0d, 0x00, 0x00, 0x08, 0x03,
0x20, 0xea, 0xff, 0x3f, 0xd7, 0xd5, 0x44, 0x56,
0x52, 0x90, 0xc2, 0x38, 0xa2, 0xd0, 0xbc, 0x59,
0x8a, 0x9f, 0x04, 0x05, 0x6b, 0x38, 0x7b, 0xb2,
0x00, 0x00, 0x00, 0x00, 0x49, 0x45, 0x4e, 0x44,
0xae, 0x42, 0x60, 0x82,
];
testDecodeRect(decoder, 0, 0, 4, 4, data, display, 24);
let targetData = new Uint8Array([
0xff, 0x00, 0x00, 255, 0xff, 0x00, 0x00, 255, 0x00, 0xff, 0x00, 255, 0x00, 0xff, 0x00, 255,
0xff, 0x00, 0x00, 255, 0xff, 0x00, 0x00, 255, 0x00, 0xff, 0x00, 255, 0x00, 0xff, 0x00, 255,
0x00, 0xff, 0x00, 255, 0x00, 0xff, 0x00, 255, 0xff, 0x00, 0x00, 255, 0xff, 0x00, 0x00, 255,
0x00, 0xff, 0x00, 255, 0x00, 0xff, 0x00, 255, 0xff, 0x00, 0x00, 255, 0xff, 0x00, 0x00, 255
]);
display.onflush = () => {
expect(display).to.have.displayed(targetData);
done();
};
display.flush();
});
});