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'use strict'; const common = require('../common'); const assert = require('assert'); const dgram = require('dgram'); { const socket = dgram.createSocket('udp4'); socket.bind(0); socket.on('listening', common.mustCall(() => { // Explicitly request default system selection socket.setMulticastInterface('0.0.0.0'); socket.close(); })); } { const socket = dgram.createSocket('udp4'); socket.bind(0); socket.on('listening', common.mustCall(() => { socket.close(common.mustCall(() => { assert.throws(() => { socket.setMulticastInterface('0.0.0.0'); }, /Not running/); })); })); } { const socket = dgram.createSocket('udp4'); socket.bind(0); socket.on('listening', common.mustCall(() => { // Try to set with an invalid interfaceAddress (wrong address class) // // This operation succeeds on some platforms, throws `EINVAL` on some // platforms, and throws `ENOPROTOOPT` on others. This is unpleasant, but // we should at least test for it. try { socket.setMulticastInterface('::'); } catch (e) { assert(e.code === 'EINVAL' || e.code === 'ENOPROTOOPT'); } socket.close(); })); } { const socket = dgram.createSocket('udp4'); socket.bind(0); socket.on('listening', common.mustCall(() => { // Try to set with an invalid interfaceAddress (wrong Type) assert.throws(() => { socket.setMulticastInterface(1); }, /TypeError/); socket.close(); })); } { const socket = dgram.createSocket('udp4'); socket.bind(0); socket.on('listening', common.mustCall(() => { // Try to set with an invalid interfaceAddress (non-unicast) assert.throws(() => { socket.setMulticastInterface('224.0.0.2'); }, /Error/); socket.close(); })); } // If IPv6 is not supported, skip the rest of the test. However, don't call // common.skip(), which calls process.exit() while there is outstanding // common.mustCall() activity. if (!common.hasIPv6) return; { const socket = dgram.createSocket('udp6'); socket.bind(0); socket.on('listening', common.mustCall(() => { // Try to set with an invalid interfaceAddress ('undefined') assert.throws(() => { socket.setMulticastInterface(String(undefined)); }, /EINVAL/); socket.close(); })); } { const socket = dgram.createSocket('udp6'); socket.bind(0); socket.on('listening', common.mustCall(() => { // Try to set with an invalid interfaceAddress ('') assert.throws(() => { socket.setMulticastInterface(''); }, /EINVAL/); socket.close(); })); } { const socket = dgram.createSocket('udp6'); socket.bind(0); socket.on('listening', common.mustCall(() => { // Using lo0 for OsX, on all other OSes, an invalid Scope gets // turned into #0 (default selection) which is also acceptable. socket.setMulticastInterface('::%lo0'); socket.close(); })); }