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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 { PADDING_STRATEGY_ALIGNED, PADDING_STRATEGY_CALLBACK } = http2.constants;
const makeDuplexPair = require('../common/duplexpair');
{
const testData = '<h1>Hello World.</h1>';
const server = http2.createServer({
paddingStrategy: PADDING_STRATEGY_ALIGNED
});
server.on('stream', common.mustCall((stream, headers) => {
stream.respond({
'content-type': 'text/html',
':status': 200
});
stream.end(testData);
}));
const { clientSide, serverSide } = makeDuplexPair();
// The lengths of the expected writes... note that this is highly
// sensitive to how the internals are implemented.
const serverLengths = [24, 9, 9, 32];
const clientLengths = [9, 9, 48, 9, 1, 21, 1, 16];
// Adjust for the 24-byte preamble and two 9-byte settings frames, and
// the result must be equally divisible by 8
assert.strictEqual(
(serverLengths.reduce((i, n) => i + n) - 24 - 9 - 9) % 8, 0);
// Adjust for two 9-byte settings frames, and the result must be equally
// divisible by 8
assert.strictEqual(
(clientLengths.reduce((i, n) => i + n) - 9 - 9) % 8, 0);
serverSide.on('data', common.mustCall((chunk) => {
assert.strictEqual(chunk.length, serverLengths.shift());
}, serverLengths.length));
clientSide.on('data', common.mustCall((chunk) => {
assert.strictEqual(chunk.length, clientLengths.shift());
}, clientLengths.length));
server.emit('connection', serverSide);
const client = http2.connect('http://localhost:80', {
paddingStrategy: PADDING_STRATEGY_ALIGNED,
createConnection: common.mustCall(() => clientSide)
});
const req = client.request({ ':path': '/a' });
req.on('response', common.mustCall());
req.setEncoding('utf8');
req.on('data', common.mustCall((data) => {
assert.strictEqual(data, testData);
}));
req.on('close', common.mustCall(() => {
clientSide.destroy();
clientSide.end();
}));
req.end();
}
// PADDING_STRATEGY_CALLBACK has been aliased to mean aligned padding.
assert.strictEqual(PADDING_STRATEGY_ALIGNED, PADDING_STRATEGY_CALLBACK);