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'use strict';
const common = require('../common');
if (!common.hasCrypto)
common.skip('missing crypto');
const assert = require('assert');
const h2 = require('http2');
// Http2ServerResponse.writeHead should override previous headers
const server = h2.createServer();
server.listen(0, common.mustCall(function() {
const port = server.address().port;
server.once('request', common.mustCall(function(request, response) {
response.setHeader('foo-bar', 'def456');
// Override
const returnVal = response.writeHead(418, { 'foo-bar': 'abc123' });
assert.strictEqual(returnVal, response);
assert.throws(() => { response.writeHead(300); }, {
code: 'ERR_HTTP2_HEADERS_SENT'
});
response.on('finish', common.mustCall(function() {
server.close();
process.nextTick(common.mustCall(() => {
// The stream is invalid at this point,
// and this line verifies this does not throw.
response.writeHead(300);
}));
}));
response.end();
}));
const url = `http://localhost:${port}`;
const client = h2.connect(url, common.mustCall(function() {
const headers = {
':path': '/',
':method': 'GET',
':scheme': 'http',
':authority': `localhost:${port}`
};
const request = client.request(headers);
request.on('response', common.mustCall(function(headers) {
assert.strictEqual(headers['foo-bar'], 'abc123');
assert.strictEqual(headers[':status'], 418);
}, 1));
request.on('end', common.mustCall(function() {
client.close();
}));
request.end();
request.resume();
}));
}));
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