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<!DOCTYPE html>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/test-only-api.js"></script>
<script>
'use strict';
promise_test(async () => {
const kRequiredDatagrams = 150;
const kRequiredBytes =
kRequiredDatagrams * (kRequiredDatagrams + 1) / 2;
const boundSocket = new UDPSocket({ localAddress: "127.0.0.1" });
const { localPort: boundLocalPort } = await boundSocket.opened;
const connectedSocket = new UDPSocket({
remoteAddress: "127.0.0.1",
remotePort: boundLocalPort,
});
const {
localAddress: clientAddress,
localPort: clientPort
} = await connectedSocket.opened;
const boundEchoLoop = (async() => {
let bytesEchoed = 0;
const { readable, writable } = await boundSocket.opened;
const reader = readable.getReader();
const writer = writable.getWriter();
while (bytesEchoed < kRequiredBytes) {
const { value: { data, remoteAddress, remotePort }, done } = await reader.read();
assert_false(done);
assert_equals(remoteAddress, clientAddress);
assert_equals(remotePort, clientPort);
for (let index = 0; index < data.length; index++) {
assert_equals(data[index], bytesEchoed % 256);
bytesEchoed++;
}
await writer.write({ data, remoteAddress, remotePort });
}
assert_equals(bytesEchoed, kRequiredBytes);
reader.releaseLock();
writer.releaseLock();
})();
const connectedSendLoop = (async () => {
let bytesWritten = 0;
let chunkLength = 0;
const { writable } = await connectedSocket.opened;
const writer = writable.getWriter();
while (bytesWritten < kRequiredBytes) {
chunkLength = Math.min(chunkLength + 1, kRequiredBytes - bytesWritten);
let chunk = new Uint8Array(chunkLength);
for (let index = 0; index < chunkLength; index++) {
chunk[index] = bytesWritten % 256;
bytesWritten++;
}
await writer.ready;
await writer.write({ data: chunk });
}
assert_equals(bytesWritten, kRequiredBytes);
writer.releaseLock();
})();
const connectedReadLoop = (async () => {
let bytesRead = 0;
const { readable } = await connectedSocket.opened;
const reader = readable.getReader();
while (bytesRead < kRequiredBytes) {
const { value: { data }, done } = await reader.read();
assert_false(done);
for (let index = 0; index < data.length; index++) {
assert_equals(data[index], bytesRead % 256);
bytesRead++;
}
}
assert_equals(bytesRead, kRequiredBytes);
reader.releaseLock();
})();
await connectedReadLoop;
await boundSocket.close();
await connectedSocket.close();
}, "UDPSocket (connected) exchanges datagrams with UDPSocket (bound)");
</script>
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