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Copy pathtest-dgram-socket-buffer-size.js
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96 lines (79 loc) · 2.51 KB
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'use strict';
const common = require('../common');
const assert = require('assert');
const dgram = require('dgram');
{
// Should throw error if the socket is never bound.
const errorObj = {
code: 'ERR_SOCKET_BUFFER_SIZE',
type: Error,
message: /^Could not get or set buffer size:.*$/
};
const socket = dgram.createSocket('udp4');
assert.throws(() => {
socket.setRecvBufferSize(8192);
}, common.expectsError(errorObj));
assert.throws(() => {
socket.setSendBufferSize(8192);
}, common.expectsError(errorObj));
assert.throws(() => {
socket.getRecvBufferSize();
}, common.expectsError(errorObj));
assert.throws(() => {
socket.getSendBufferSize();
}, common.expectsError(errorObj));
}
{
// Should throw error if invalid buffer size is specified
const errorObj = {
code: 'ERR_SOCKET_BAD_BUFFER_SIZE',
type: TypeError,
message: /^Buffer size must be a positive integer$/
};
const badBufferSizes = [-1, Infinity, 'Doh!'];
const socket = dgram.createSocket('udp4');
socket.bind(common.mustCall(() => {
badBufferSizes.forEach((badBufferSize) => {
assert.throws(() => {
socket.setRecvBufferSize(badBufferSize);
}, common.expectsError(errorObj));
assert.throws(() => {
socket.setSendBufferSize(badBufferSize);
}, common.expectsError(errorObj));
});
socket.close();
}));
}
{
// Can set and get buffer sizes after binding the socket.
const socket = dgram.createSocket('udp4');
socket.bind(common.mustCall(() => {
socket.setRecvBufferSize(10000);
socket.setSendBufferSize(10000);
// note: linux will double the buffer size
const expectedBufferSize = common.isLinux ? 20000 : 10000;
assert.strictEqual(socket.getRecvBufferSize(), expectedBufferSize);
assert.strictEqual(socket.getSendBufferSize(), expectedBufferSize);
socket.close();
}));
}
function checkBufferSizeError(type, size) {
const errorObj = {
code: 'ERR_SOCKET_BUFFER_SIZE',
type: Error,
message: new RegExp('^Could not get or set buffer' +
' size: Error: EINVAL: invalid argument,' +
' uv_' + type + '_buffer_size$')
};
const functionName = 'set' + type.charAt(0).toUpperCase() +
type.slice(1) + 'BufferSize';
const socket = dgram.createSocket('udp4');
socket.bind(common.mustCall(() => {
assert.throws(() => {
socket[functionName](size);
}, common.expectsError(errorObj));
socket.close();
}));
}
checkBufferSizeError('recv', 2147483648);
checkBufferSizeError('send', 2147483648);