[ruby] fix: setting w3c: false throws error

rb/lib/selenium/webdriver/remote/bridge.rb

@@ -49,6 +49,7 @@ def initialize(url:, http_client: nil)
         #
 
         def create_session(capabilities)
+          check_chrome_w3c_false(capabilities)
           response = execute(:new_session, {}, prepare_capabilities_payload(capabilities))
 
           @session_id = response['sessionId']
@@ -666,6 +667,27 @@ def escape_css(string)
 
           string
         end
+
+        #
+        # Checks if w3c key is set to false and raises error for the same.
+        #
+        def check_chrome_w3c_false(capabilities)
+          return unless capabilities['browserName'] == 'chrome' && capabilities.key?('goog:chromeOptions')
+
+          capability = capabilities['goog:chromeOptions']
+          w3c = true
+
+          if capability.instance_of?(Hash)
+            raw_w3c = capability['w3c']
+            w3c = raw_w3c.nil? || raw_w3c
+          end
+
+          return if w3c
+
+          raise Error::WebDriverError, "Setting 'w3c: false' is not allowed.\n"\
+                                       "Please update to W3C Syntax: https://www"\
+                                       ".selenium.dev/blog/2022/legacy-protocol-support/"
+        end
       end # Bridge
     end # Remote
   end # WebDriver

rb/spec/integration/selenium/webdriver/driver_spec.rb

@@ -39,6 +39,11 @@ module WebDriver
         end
       end
 
+      it 'should raise error when w3c is false', exclusive: {browser: %i[chrome]} do
+        options = Selenium::WebDriver::Chrome::Options.new(w3c: false)
+        expect { Selenium::WebDriver.for :chrome, capabilities: options }.to raise_error(Error::WebDriverError)
+      end
+
       it 'should get driver status' do
         status = driver.status
         expect(status).to include('ready', 'message')