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'use strict';
const common = require('../common');
// This test ensures that a Trailer header is set only when a chunked transfer
// encoding is used.
const assert = require('assert');
const http = require('http');
const server = http.createServer(common.mustCall(function(req, res) {
res.setHeader('Trailer', 'baz');
const trailerInvalidErr = {
code: 'ERR_HTTP_TRAILER_INVALID',
message: 'Trailers are invalid with this transfer encoding',
type: Error
};
assert.throws(() => res.writeHead(200, {'Content-Length': '2'}),
common.expectsError(trailerInvalidErr));
res.removeHeader('Trailer');
res.end('ok');
}));
server.listen(0, common.mustCall(() => {
http.get({ port: server.address().port }, common.mustCall((res) => {
assert.strictEqual(res.statusCode, 200);
let buf = '';
res.on('data', (chunk) => {
buf += chunk;
}).on('end', common.mustCall(() => {
assert.strictEqual(buf, 'ok');
}));
server.close();
}));
}));
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