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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');
const server = h2.createServer();
server.on(
'stream',
common.mustCall((stream) => {
const assertSettings = (settings) => {
assert.strictEqual(typeof settings, 'object');
assert.strictEqual(typeof settings.headerTableSize, 'number');
assert.strictEqual(typeof settings.enablePush, 'boolean');
assert.strictEqual(typeof settings.initialWindowSize, 'number');
assert.strictEqual(typeof settings.maxFrameSize, 'number');
assert.strictEqual(typeof settings.maxConcurrentStreams, 'number');
assert.strictEqual(typeof settings.maxHeaderListSize, 'number');
};
const localSettings = stream.session.localSettings;
const remoteSettings = stream.session.remoteSettings;
assertSettings(localSettings);
assertSettings(remoteSettings);
// Test that stored settings are returned when called for second time
assert.strictEqual(stream.session.localSettings, localSettings);
assert.strictEqual(stream.session.remoteSettings, remoteSettings);
stream.respond({
'content-type': 'text/html',
':status': 200
});
stream.end('hello world');
})
);
server.on('session', (session) => {
session.settings({
maxConcurrentStreams: 2
});
});
server.listen(
0,
common.mustCall(() => {
const client = h2.connect(`http://localhost:${server.address().port}`, {
settings: {
enablePush: false,
initialWindowSize: 123456
}
});
client.on(
'localSettings',
common.mustCall((settings) => {
assert(settings);
assert.strictEqual(settings.enablePush, false);
assert.strictEqual(settings.initialWindowSize, 123456);
assert.strictEqual(settings.maxFrameSize, 16384);
}, 2)
);
let calledOnce = false;
client.on(
'remoteSettings',
common.mustCall((settings) => {
assert(settings);
assert.strictEqual(
settings.maxConcurrentStreams,
calledOnce ? 2 : (2 ** 32) - 1
);
calledOnce = true;
}, 2)
);
const headers = { ':path': '/' };
const req = client.request(headers);
req.on('ready', common.mustCall(() => {
// pendingSettingsAck will be true if a SETTINGS frame
// has been sent but we are still waiting for an acknowledgement
assert(client.pendingSettingsAck);
}));
// State will only be valid after connect event is emitted
req.on('ready', common.mustCall(() => {
client.settings({ maxHeaderListSize: 1 }, common.mustCall());
// Verify valid error ranges
[
['headerTableSize', -1],
['headerTableSize', 2 ** 32],
['initialWindowSize', -1],
['initialWindowSize', 2 ** 32],
['maxFrameSize', 16383],
['maxFrameSize', 2 ** 24],
['maxHeaderListSize', -1],
['maxHeaderListSize', 2 ** 32]
].forEach((i) => {
const settings = {};
settings[i[0]] = i[1];
common.expectsError(
() => client.settings(settings),
{
type: RangeError,
code: 'ERR_HTTP2_INVALID_SETTING_VALUE',
message: `Invalid value for setting "${i[0]}": ${i[1]}`
}
);
});
// Error checks for enablePush
[1, {}, 'test', [], null, Infinity, NaN].forEach((i) => {
common.expectsError(
() => client.settings({ enablePush: i }),
{
type: TypeError,
code: 'ERR_HTTP2_INVALID_SETTING_VALUE',
message: `Invalid value for setting "enablePush": ${i}`
}
);
});
}));
req.on('response', common.mustCall());
req.resume();
req.on('end', common.mustCall(() => {
server.close();
client.close();
}));
req.end();
})
);
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