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// Flags: --expose-http2
'use strict';
const common = require('../common');
const assert = require('assert');
const h2 = require('http2');
// Http2ServerResponse.flushHeaders
let serverResponse;
const server = h2.createServer();
server.listen(0, common.mustCall(function() {
const port = server.address().port;
server.once('request', common.mustCall(function(request, response) {
response.flushHeaders();
response.flushHeaders(); // Idempotent
common.expectsError(() => {
response.writeHead(400, { 'foo-bar': 'abc123' });
}, {
code: 'ERR_HTTP2_INFO_HEADERS_AFTER_RESPOND'
});
response.on('finish', common.mustCall(function() {
server.close();
}));
serverResponse = response;
}));
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, flags) {
assert.strictEqual(headers['foo-bar'], undefined);
assert.strictEqual(headers[':status'], 200);
serverResponse.end();
}, 1));
request.on('end', common.mustCall(function() {
client.destroy();
}));
request.end();
request.resume();
}));
}));
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