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test: refactor test-dgram-setBroadcast.js #11252

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test: refactor test-dgram-setBroadcast.js #11252

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44 changes: 15 additions & 29 deletions test/parallel/test-dgram-setBroadcast.js
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Original file line number Diff line number Diff line change
Expand Up @@ -4,36 +4,22 @@ const common = require('../common');
const assert = require('assert');
const dgram = require('dgram');

const setup = () => {
return dgram.createSocket({type: 'udp4', reuseAddr: true});
};
{
// Should throw EBADF if the socket is never bound.
const socket = dgram.createSocket('udp4');

const teardown = (socket) => {
if (socket.close)
socket.close();
};

const runTest = (testCode, expectError) => {
const socket = setup();
const assertion = expectError ? assert.throws : assert.doesNotThrow;
const wrapped = () => { testCode(socket); };
assertion(wrapped, expectError);
teardown(socket);
};
assert.throws(() => {
socket.setBroadcast(true);
}, /^Error: setBroadcast EBADF$/);
}

// Should throw EBADF if socket is never bound.
runTest((socket) => { socket.setBroadcast(true); }, /EBADF/);
{
// Can call setBroadcast() after binding the socket.
const socket = dgram.createSocket('udp4');

// Should not throw if broadcast set to false after binding.
runTest((socket) => {
socket.bind(0, common.localhostIPv4, () => {
socket.setBroadcast(false);
});
});

// Should not throw if broadcast set to true after binding.
runTest((socket) => {
socket.bind(0, common.localhostIPv4, () => {
socket.bind(0, common.mustCall(() => {
socket.setBroadcast(true);
});
});
socket.setBroadcast(false);
socket.close();
}));
}