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'use strict'; const common = require('../common'); if (!common.hasCrypto) common.skip('missing crypto'); const assert = require('assert'); const http2 = require('http2'); const Countdown = require('../common/countdown'); const server = http2.createServer(); const largeBuffer = Buffer.alloc(1e4); // Verify that a dependency cycle may exist, but that it doesn't crash anything server.on('stream', common.mustCall((stream) => { stream.respond(); setImmediate(() => { stream.end(largeBuffer); }); }, 3)); server.on('session', common.mustCall((session) => { session.on('priority', (id, parent, weight, exclusive) => { assert.strictEqual(weight, 16); assert.strictEqual(exclusive, false); switch (id) { case 1: assert.strictEqual(parent, 5); break; case 3: assert.strictEqual(parent, 1); break; case 5: assert.strictEqual(parent, 3); break; default: assert.fail('should not happen'); } }); })); server.listen(0, common.mustCall(() => { const client = http2.connect(`http://localhost:${server.address().port}`); const countdown = new Countdown(3, () => { client.close(); server.close(); }); { const req = client.request(); req.priority({ parent: 5 }); req.resume(); req.on('close', () => countdown.dec()); } { const req = client.request(); req.priority({ parent: 1 }); req.resume(); req.on('close', () => countdown.dec()); } { const req = client.request(); req.priority({ parent: 3 }); req.resume(); req.on('close', () => countdown.dec()); } }));