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Check that decoders consume all data

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This is extra important in the tests where we expect no changes to the
display, as otherwise we can't tell the difference between success and a
decoder that is simply waiting for more data.
This commit is contained in:
Pierre Ossman
2023-06-03 15:36:29 +02:00
parent d33f5ce77f
commit eb0ad829d2
8 changed files with 215 additions and 109 deletions
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tests/test.copyrect.js
+18 -9
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@@ -9,23 +9,26 @@ import FakeWebSocket from './fake.websocket.js';
function testDecodeRect(decoder, x, y, width, height, data, display, depth) {
let sock;
let done = false;
sock = new Websock;
sock.open("ws://example.com");
sock.on('message', () => {
decoder.decodeRect(x, y, width, height, sock, display, depth);
done = 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);
done = decoder.decodeRect(x, y, width, height, sock, display, depth);
} else {
sock._websocket._receiveData(new Uint8Array(data));
}
display.flip();
return done;
}
describe('CopyRect Decoder', function () {
@@ -47,12 +50,15 @@ describe('CopyRect Decoder', function () {
display.fillRect(0, 0, 2, 2, [ 0x00, 0x00, 0xff ]);
display.fillRect(2, 0, 2, 2, [ 0x00, 0xff, 0x00 ]);
testDecodeRect(decoder, 0, 2, 2, 2,
[0x00, 0x02, 0x00, 0x00],
display, 24);
testDecodeRect(decoder, 2, 2, 2, 2,
[0x00, 0x00, 0x00, 0x00],
display, 24);
let done;
done = testDecodeRect(decoder, 0, 2, 2, 2,
[0x00, 0x02, 0x00, 0x00],
display, 24);
expect(done).to.be.true;
done = testDecodeRect(decoder, 2, 2, 2, 2,
[0x00, 0x00, 0x00, 0x00],
display, 24);
expect(done).to.be.true;
let targetData = new Uint8Array([
0x00, 0x00, 0xff, 255, 0x00, 0x00, 0xff, 255, 0x00, 0xff, 0x00, 255, 0x00, 0xff, 0x00, 255,
@@ -69,7 +75,9 @@ describe('CopyRect Decoder', function () {
display.fillRect(2, 0, 2, 2, [ 0x00, 0xff, 0x00 ]);
display.fillRect(0, 2, 2, 2, [ 0x00, 0xff, 0x00 ]);
testDecodeRect(decoder, 1, 2, 0, 0, [0x00, 0x00, 0x00, 0x00], display, 24);
let done = testDecodeRect(decoder, 1, 2, 0, 0,
[0x00, 0x00, 0x00, 0x00],
display, 24);
let targetData = new Uint8Array([
0x00, 0x00, 0xff, 255, 0x00, 0x00, 0xff, 255, 0x00, 0xff, 0x00, 255, 0x00, 0xff, 0x00, 255,
@@ -78,6 +86,7 @@ describe('CopyRect Decoder', function () {
0x00, 0xff, 0x00, 255, 0x00, 0xff, 0x00, 255, 0x00, 0x00, 0xff, 255, 0x00, 0x00, 0xff, 255
]);
expect(done).to.be.true;
expect(display).to.have.displayed(targetData);
});
});