[JS] Add err message for invalid cookie name in deleteCookie method

Author: harsha509

javascript/node/selenium-webdriver/lib/webdriver.js

@@ -1937,6 +1937,11 @@ class Options {
    *     when the cookie has been deleted.
    */
   deleteCookie(name) {
+    // Validate the cookie name is non-empty and properly trimmed.
+    if (!name?.trim()) {
+      throw new error.InvalidArgumentError('Cookie name cannot be empty')
+    }
+
     return this.driver_.execute(new command.Command(command.Name.DELETE_COOKIE).setParameter('name', name))
   }
 

javascript/node/selenium-webdriver/test/cookie_test.js

@@ -54,7 +54,7 @@ suite(function (env) {
         })
     })
 
-    it('throw error if name is null', async function () {
+    it('Get Cookie: throw error if name is null', async function () {
       const cookie = createCookieSpec()
       await driver.manage().addCookie(cookie)
       await assert.rejects(async () => await driver.manage().getCookie(null), {
@@ -63,6 +63,15 @@ suite(function (env) {
       })
     })
 
+    it('Delete cookie: throw error if name is null', async function () {
+      const cookie = createCookieSpec()
+      await driver.manage().addCookie(cookie)
+      await assert.rejects(async () => await driver.manage().deleteCookie(null), {
+        name: 'InvalidArgumentError',
+        message: `Cookie name cannot be empty`,
+      })
+    })
+
     it('can get all cookies', async function () {
       const cookie1 = createCookieSpec()
       const cookie2 = createCookieSpec()