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// META: script=../../constants.sub.js
// META: script=resources/url-constants.js
// META: global=window,worker
// META: variant=?wss
// META: variant=?wpt_flags=h2
test(() => {
assert_throws_js(TypeError, () => new WebSocketStream(),
'constructor should throw');
}, 'constructing with no URL should throw');
test(() => {
assert_throws_dom('SyntaxError', () => new WebSocketStream('invalid:'),
'constructor should throw');
}, 'constructing with an invalid URL should throw');
test(() => {
assert_throws_js(TypeError,
() => new WebSocketStream(`${BASEURL}/`, true),
'constructor should throw');
}, 'constructing with invalid options should throw');
test(() => {
assert_throws_js(TypeError,
() => new WebSocketStream(`${BASEURL}/`, {protocols: 'hi'}),
'constructor should throw');
}, 'protocols should be required to be a list');
promise_test(async () => {
const wss = new WebSocketStream(ECHOURL);
await wss.opened;
assert_equals(wss.url, ECHOURL, 'url should match');
wss.close();
}, 'constructing with a valid URL should work');
promise_test(async () => {
const wss = new WebSocketStream(`${BASEURL}/protocol_array`,
{protocols: ['alpha', 'beta']});
const { readable, protocol } = await wss.opened;
assert_equals(protocol, 'alpha', 'protocol should be right');
const reader = readable.getReader();
const { value, done } = await reader.read();
assert_equals(value, 'alpha', 'message contents should match');
wss.close();
}, 'setting a protocol in the constructor should work');
promise_test(t => {
const wss = new WebSocketStream(`${BASEURL}/404`);
return Promise.all([
promise_rejects_dom(t, 'NetworkError', wss.opened, 'opened should reject'),
promise_rejects_dom(t, 'NetworkError', wss.closed, 'closed should reject'),
]);
}, 'connection failure should reject the promises');
promise_test(async () => {
const wss = new WebSocketStream(ECHOURL);
const { readable, writable, protocol, extensions} = await wss.opened;
// Verify that |readable| really is a ReadableStream using the getReader()
// brand check. If it doesn't throw the test passes.
ReadableStream.prototype.getReader.call(readable);
// Verify that |writable| really is a WritableStream using the getWriter()
// brand check. If it doesn't throw the test passes.
WritableStream.prototype.getWriter.call(writable);
assert_equals(typeof protocol, 'string', 'protocol should be a string');
assert_equals(typeof extensions, 'string', 'extensions should be a string');
wss.close();
}, 'wss.opened should resolve to the right types');
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