code: // Licensed to the Software Freedom Conservancy (SFC) under one
  // or more contributor license agreements.  See the NOTICE file
  // distributed with this work for additional information
  // regarding copyright ownership.  The SFC licenses this file
  // to you under the Apache License, Version 2.0 (the
  // "License"); you may not use this file except in compliance
  // with the License.  You may obtain a copy of the License at
  //
  //   http://www.apache.org/licenses/LICENSE-2.0
  //
  // Unless required by applicable law or agreed to in writing,
  // software distributed under the License is distributed on an
  // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
  // KIND, either express or implied.  See the License for the
  // specific language governing permissions and limitations
  // under the License.
  
  package org.openqa.selenium;
  
  import static org.assertj.core.api.Assertions.assertThat;
  import static org.assertj.core.api.Assertions.assertThatExceptionOfType;
  import static org.openqa.selenium.testing.drivers.Browser.CHROME;
  import static org.openqa.selenium.testing.drivers.Browser.EDGE;
  import static org.openqa.selenium.testing.drivers.Browser.FIREFOX;
  import static org.openqa.selenium.testing.drivers.Browser.IE;
  import static org.openqa.selenium.testing.drivers.Browser.SAFARI;
  
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.Test;
  import org.openqa.selenium.environment.GlobalTestEnvironment;
  import org.openqa.selenium.testing.Ignore;
  import org.openqa.selenium.testing.JupiterTestBase;
  
  class TextPagesTest extends JupiterTestBase {
  
    private String textPage;
  
    @BeforeEach
    public void setUp() {
      textPage = GlobalTestEnvironment.get().getAppServer().whereIs("plain.txt");
    }
  
    @Test
    void testShouldBeAbleToLoadASimplePageOfText() {
      driver.get(textPage);
      String source = driver.getPageSource();
      assertThat(source).contains("Test");
    }
  
    @Test
    @Ignore(value = IE, reason = "creates DOM for displaying text pages")
    @Ignore(value = SAFARI, reason = "creates DOM for displaying text pages")
    @Ignore(CHROME)
    @Ignore(EDGE)
    @Ignore(FIREFOX)
    public void testShouldThrowExceptionWhenAddingCookieToAPageThatIsNotHtml() {
      driver.get(textPage);
  
      Cookie cookie = new Cookie.Builder("hello", "goodbye").build();
      assertThatExceptionOfType(WebDriverException.class)
          .isThrownBy(() -> driver.manage().addCookie(cookie));
    }
  }
  