net: add SocketAddress class

Signed-off-by: James M Snell <jasnell@gmail.com>

PR-URL: https://github.com/nodejs/node/pull/37917
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>

1 files changed, 110 insertions, 0 deletions

diff --git a/test/parallel/test-socketaddress.js b/test/parallel/test-socketaddress.js
new file mode 100644
index 0000000000..4caf46dd3e
--- /dev/null
+++ b/test/parallel/test-socketaddress.js
@@ -0,0 +1,110 @@
+'use strict';
+
+const common = require('../common');
+const {
+  ok,
+  strictEqual,
+  throws,
+} = require('assert');
+const {
+  SocketAddress,
+} = require('net');
+
+{
+  const sa = new SocketAddress();
+  strictEqual(sa.address, '127.0.0.1');
+  strictEqual(sa.port, 0);
+  strictEqual(sa.family, 'ipv4');
+  strictEqual(sa.flowlabel, 0);
+
+  const mc = new MessageChannel();
+  mc.port1.onmessage = common.mustCall(({ data }) => {
+    ok(SocketAddress.isSocketAddress(data));
+
+    strictEqual(data.address, '127.0.0.1');
+    strictEqual(data.port, 0);
+    strictEqual(data.family, 'ipv4');
+    strictEqual(data.flowlabel, 0);
+
+    mc.port1.close();
+  });
+  mc.port2.postMessage(sa);
+}
+
+{
+  const sa = new SocketAddress({});
+  strictEqual(sa.address, '127.0.0.1');
+  strictEqual(sa.port, 0);
+  strictEqual(sa.family, 'ipv4');
+  strictEqual(sa.flowlabel, 0);
+}
+
+{
+  const sa = new SocketAddress({
+    address: '123.123.123.123',
+  });
+  strictEqual(sa.address, '123.123.123.123');
+  strictEqual(sa.port, 0);
+  strictEqual(sa.family, 'ipv4');
+  strictEqual(sa.flowlabel, 0);
+}
+
+{
+  const sa = new SocketAddress({
+    address: '123.123.123.123',
+    port: 80
+  });
+  strictEqual(sa.address, '123.123.123.123');
+  strictEqual(sa.port, 80);
+  strictEqual(sa.family, 'ipv4');
+  strictEqual(sa.flowlabel, 0);
+}
+
+{
+  const sa = new SocketAddress({
+    family: 'ipv6'
+  });
+  strictEqual(sa.address, '::');
+  strictEqual(sa.port, 0);
+  strictEqual(sa.family, 'ipv6');
+  strictEqual(sa.flowlabel, 0);
+}
+
+{
+  const sa = new SocketAddress({
+    family: 'ipv6',
+    flowlabel: 1,
+  });
+  strictEqual(sa.address, '::');
+  strictEqual(sa.port, 0);
+  strictEqual(sa.family, 'ipv6');
+  strictEqual(sa.flowlabel, 1);
+}
+
+[1, false, 'hello'].forEach((i) => {
+  throws(() => new SocketAddress(i), {
+    code: 'ERR_INVALID_ARG_TYPE'
+  });
+});
+
+[1, false, {}, [], 'test'].forEach((family) => {
+  throws(() => new SocketAddress({ family }), {
+    code: 'ERR_INVALID_ARG_VALUE'
+  });
+});
+
+[1, false, {}, []].forEach((address) => {
+  throws(() => new SocketAddress({ address }), {
+    code: 'ERR_INVALID_ARG_TYPE'
+  });
+});
+
+[-1, false, {}, []].forEach((port) => {
+  throws(() => new SocketAddress({ port }), {
+    code: 'ERR_SOCKET_BAD_PORT'
+  });
+});
+
+throws(() => new SocketAddress({ flowlabel: -1 }), {
+  code: 'ERR_OUT_OF_RANGE'
+});