'use strict';
const common = require('../common');
if (!common.hasCrypto)
  common.skip('missing crypto');
const http2 = require('http2');

// Regression test for https://github.com/nodejs/node/issues/27416.
// Check that received data is accounted for correctly in the maxSessionMemory
// mechanism.

const bodyLength = 8192;
const maxSessionMemory = 1;  // 1 MB
const requestCount = 1000;

const server = http2.createServer({ maxSessionMemory });
server.on('stream', (stream) => {
  stream.respond();
  stream.end();
});

server.listen(common.mustCall(() => {
  const client = http2.connect(`http://localhost:${server.address().port}`, {
    maxSessionMemory
  });

  function request() {
    return new Promise((resolve, reject) => {
      const stream = client.request({
        ':method': 'POST',
        'content-length': bodyLength
      });
      stream.on('error', reject);
      stream.on('response', resolve);
      stream.end('a'.repeat(bodyLength));
    });
  }

  (async () => {
    for (let i = 0; i < requestCount; i++) {
      await request();
    }

    client.close();
    server.close();
  })().then(common.mustCall());
}));