net: throw error to object mode in Socket

lib/net.js

@@ -282,6 +282,21 @@ const kSetNoDelay = Symbol('kSetNoDelay');
 
 function Socket(options) {
   if (!(this instanceof Socket)) return new Socket(options);
+  if (options.objectMode) {
+    throw new ERR_INVALID_ARG_VALUE(
+      'options.objectMode',
+      options.objectMode,
+      'is not supported'
+    );
+  } else if (options.readableObjectMode || options.writableObjectMode) {
+    throw new ERR_INVALID_ARG_VALUE(
+      `options.${
+        options.readableObjectMode ? 'readableObjectMode' : 'writableObjectMode'
+      }`,
+      options.readableObjectMode || options.writableObjectMode,
+      'is not supported'
+    );
+  }
 
   this.connecting = false;
   // Problem with this is that users can supply their own handle, that may not

test/parallel/test-net-connect-options-invalid.js

@@ -0,0 +1,27 @@
+'use strict';
+const common = require('../common');
+const assert = require('assert');
+const net = require('net');
+
+{
+  const invalidKeys = [
+    'objectMode',
+    'readableObjectMode',
+    'writableObjectMode',
+  ];
+  invalidKeys.forEach((invalidKey) => {
+    const option = {
+      ...common.localhostIPv4,
+      [invalidKey]: true
+    };
+    const message = `The property 'options.${invalidKey}' is not supported. Received true`;
+
+    assert.throws(() => {
+      net.createConnection(option);
+    }, {
+      code: 'ERR_INVALID_ARG_VALUE',
+      name: 'TypeError',
+      message: new RegExp(message)
+    });
+  });
+}

test/parallel/test-socket-options-invalid.js

@@ -0,0 +1,28 @@
+'use strict';
+const common = require('../common');
+const assert = require('assert');
+const net = require('net');
+
+{
+  const invalidKeys = [
+    'objectMode',
+    'readableObjectMode',
+    'writableObjectMode',
+  ];
+  invalidKeys.forEach((invalidKey) => {
+    const option = {
+      ...common.localhostIPv4,
+      [invalidKey]: true
+    };
+    const message = `The property 'options.${invalidKey}' is not supported. Received true`;
+
+    assert.throws(() => {
+      const socket = new net.Socket(option);
+      socket.connect({ port: 8080 });
+    }, {
+      code: 'ERR_INVALID_ARG_VALUE',
+      name: 'TypeError',
+      message: new RegExp(message)
+    });
+  });
+}