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.FIREFOX;
  import static org.openqa.selenium.testing.drivers.Browser.IE;
  import static org.openqa.selenium.testing.drivers.Browser.SAFARI;
  
  import java.time.Duration;
  import java.util.List;
  import org.junit.jupiter.api.AfterEach;
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.Test;
  import org.openqa.selenium.support.ui.ExpectedConditions;
  import org.openqa.selenium.support.ui.Wait;
  import org.openqa.selenium.support.ui.WebDriverWait;
  import org.openqa.selenium.testing.Ignore;
  import org.openqa.selenium.testing.JupiterTestBase;
  import org.openqa.selenium.testing.NotYetImplemented;
  
  class ImplicitWaitTest extends JupiterTestBase {
  
    @BeforeEach
    public void setUp() {
      driver.manage().timeouts().implicitlyWait(Duration.ofMillis(0));
    }
  
    @AfterEach
    public void tearDown() {
      driver.manage().timeouts().implicitlyWait(Duration.ofMillis(0));
    }
  
    @Test
    void shouldSetAndGetImplicitWaitTimeout() {
      Duration timeout = driver.manage().timeouts().getImplicitWaitTimeout();
      assertThat(timeout).hasMillis(0);
      driver.manage().timeouts().implicitlyWait(Duration.ofMillis(3000));
      Duration timeout2 = driver.manage().timeouts().getImplicitWaitTimeout();
      assertThat(timeout2).hasMillis(3000);
    }
  
    @Test
    void testShouldImplicitlyWaitForASingleElement() {
      driver.get(pages.dynamicPage);
      WebElement add = driver.findElement(By.id("adder"));
  
      driver.manage().timeouts().implicitlyWait(Duration.ofMillis(3000));
  
      add.click();
      driver.findElement(By.id("box0")); // All is well if this doesn't throw.
    }
  
    @Test
    void testShouldStillFailToFindAnElementWhenImplicitWaitsAreEnabled() {
      driver.get(pages.dynamicPage);
      driver.manage().timeouts().implicitlyWait(Duration.ofMillis(500));
      assertThatExceptionOfType(NoSuchElementException.class)
          .isThrownBy(() -> driver.findElement(By.id("box0")));
    }
  
    @Test
    void testShouldReturnAfterFirstAttemptToFindOneAfterDisablingImplicitWaits() {
      driver.get(pages.dynamicPage);
      driver.manage().timeouts().implicitlyWait(Duration.ofMillis(3000));
      driver.manage().timeouts().implicitlyWait(Duration.ofMillis(0));
      assertThatExceptionOfType(NoSuchElementException.class)
          .isThrownBy(() -> driver.findElement(By.id("box0")));
    }
  
    @Test
    void testShouldImplicitlyWaitUntilAtLeastOneElementIsFoundWhenSearchingForMany() {
      driver.get(pages.dynamicPage);
      WebElement add = driver.findElement(By.id("adder"));
  
      driver.manage().timeouts().implicitlyWait(Duration.ofMillis(2000));
      add.click();
      add.click();
  
      List<WebElement> elements = driver.findElements(By.className("redbox"));
      assertThat(elements).isNotEmpty();
    }
  
    @Test
    void testShouldStillFailToFindElementsWhenImplicitWaitsAreEnabled() {
      driver.get(pages.dynamicPage);
      driver.manage().timeouts().implicitlyWait(Duration.ofMillis(500));
      List<WebElement> elements = driver.findElements(By.className("redbox"));
      assertThat(elements).isEmpty();
    }
  
    @Test
    void testShouldStillFailToFindElementsByIdWhenImplicitWaitsAreEnabled() {
      driver.get(pages.dynamicPage);
      driver.manage().timeouts().implicitlyWait(Duration.ofMillis(500));
      List<WebElement> elements = driver.findElements(By.id("redbox"));
      assertThat(elements).isEmpty();
    }
  
    @Test
    void testShouldReturnAfterFirstAttemptToFindManyAfterDisablingImplicitWaits() {
      driver.get(pages.dynamicPage);
      WebElement add = driver.findElement(By.id("adder"));
  
      driver.manage().timeouts().implicitlyWait(Duration.ofMillis(1100));
      driver.manage().timeouts().implicitlyWait(Duration.ofMillis(0));
      add.click();
  
      List<WebElement> elements = driver.findElements(By.className("redbox"));
      assertThat(elements).isEmpty();
    }
  
    @Test
    @Ignore(IE)
    @Ignore(FIREFOX)
    @NotYetImplemented(SAFARI)
    public void testShouldImplicitlyWaitForAnElementToBeVisibleBeforeInteracting() {
      driver.get(pages.dynamicPage);
  
      WebElement reveal = driver.findElement(By.id("reveal"));
      WebElement revealed = driver.findElement(By.id("revealed"));
      driver.manage().timeouts().implicitlyWait(Duration.ofMillis(5000));
  
      assertThat(revealed.isDisplayed()).isFalse();
      reveal.click();
      revealed.sendKeys("hello world");
    }
  
    @Test
    @NotYetImplemented(SAFARI)
    public void testShouldRetainImplicitlyWaitFromTheReturnedWebDriverOfFrameSwitchTo() {
      driver.manage().timeouts().implicitlyWait(Duration.ofSeconds(1));
      driver.get(pages.xhtmlTestPage);
      driver.findElement(By.name("windowOne")).click();
  
      Wait<WebDriver> wait = new WebDriverWait(driver, Duration.ofSeconds(1));
      wait.until(ExpectedConditions.numberOfWindowsToBe(2));
      String handle = (String) driver.getWindowHandles().toArray()[1];
  
      WebDriver newWindow = driver.switchTo().window(handle);
  
      long start = System.currentTimeMillis();
  
      newWindow.findElements(By.id("this-crazy-thing-does-not-exist"));
  
      long end = System.currentTimeMillis();
  
      long time = end - start;
  
      assertThat(time).isGreaterThanOrEqualTo(1000);
    }
  }
  