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.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.HTMLUNIT;
  import static org.openqa.selenium.testing.drivers.Browser.IE;
  import static org.openqa.selenium.testing.drivers.Browser.SAFARI;
  
  import org.junit.jupiter.api.Test;
  import org.openqa.selenium.interactions.Locatable;
  import org.openqa.selenium.testing.Ignore;
  import org.openqa.selenium.testing.JupiterTestBase;
  import org.openqa.selenium.testing.NotYetImplemented;
  import org.openqa.selenium.testing.SwitchToTopAfterTest;
  
  @Ignore(value = HTMLUNIT, reason = "Getting coordinates requires rendering, others: not tested")
  class PositionAndSizeTest extends JupiterTestBase {
  
    @Test
    void testShouldBeAbleToDetermineTheLocationOfAnElement() {
      driver.get(pages.xhtmlTestPage);
  
      WebElement element = driver.findElement(By.id("username"));
      Point location = element.getLocation();
  
      assertThat(location.getX()).isPositive();
      assertThat(location.getY()).isPositive();
    }
  
    @Test
    void testShouldGetCoordinatesOfAnElement() {
      driver.get(appServer.whereIs("coordinates_tests/simple_page.html"));
      assertThat(getLocationInViewPort(By.id("box"))).isEqualTo(new Point(10, 10));
      assertThat(getLocationOnPage(By.id("box"))).isEqualTo(new Point(10, 10));
    }
  
    @Test
    void testShouldGetCoordinatesOfAnEmptyElement() {
      driver.get(appServer.whereIs("coordinates_tests/page_with_empty_element.html"));
      assertThat(getLocationInViewPort(By.id("box"))).isEqualTo(new Point(10, 10));
      assertThat(getLocationOnPage(By.id("box"))).isEqualTo(new Point(10, 10));
    }
  
    @Test
    void testShouldGetCoordinatesOfATransparentElement() {
      driver.get(appServer.whereIs("coordinates_tests/page_with_transparent_element.html"));
      assertThat(getLocationInViewPort(By.id("box"))).isEqualTo(new Point(10, 10));
      assertThat(getLocationOnPage(By.id("box"))).isEqualTo(new Point(10, 10));
    }
  
    @Test
    @NotYetImplemented(SAFARI)
    public void testShouldGetCoordinatesOfAHiddenElement() {
      driver.get(appServer.whereIs("coordinates_tests/page_with_hidden_element.html"));
      assertThat(getLocationInViewPort(By.id("box"))).isEqualTo(new Point(10, 10));
      assertThat(getLocationOnPage(By.id("box"))).isEqualTo(new Point(10, 10));
    }
  
    @Test
    @NotYetImplemented(SAFARI)
    public void testShouldGetCoordinatesOfAnInvisibleElement() {
      driver.get(appServer.whereIs("coordinates_tests/page_with_invisible_element.html"));
      assertThat(getLocationInViewPort(By.id("box"))).isEqualTo(new Point(0, 0));
      assertThat(getLocationOnPage(By.id("box"))).isEqualTo(new Point(0, 0));
    }
  
    @Test
    void testShouldScrollPageAndGetCoordinatesOfAnElementThatIsOutOfViewPort() {
      driver.get(appServer.whereIs("coordinates_tests/page_with_element_out_of_view.html"));
      int windowHeight = driver.manage().window().getSize().getHeight();
      Point location = getLocationInViewPort(By.id("box"));
      assertThat(location.getX()).isEqualTo(10);
      assertThat(location.getY()).isGreaterThanOrEqualTo(0);
      assertThat(location.getY()).isLessThanOrEqualTo(windowHeight - 100);
      assertThat(getLocationOnPage(By.id("box"))).isEqualTo(new Point(10, 5010));
    }
  
    @SwitchToTopAfterTest
    @Test
    @NotYetImplemented(SAFARI)
    public void testShouldGetCoordinatesOfAnElementInAFrame() {
      driver.get(appServer.whereIs("coordinates_tests/element_in_frame.html"));
      driver.switchTo().frame("ifr");
      WebElement box = driver.findElement(By.id("box"));
      assertThat(box.getLocation()).isEqualTo(new Point(10, 10));
      assertThat(getLocationOnPage(By.id("box"))).isEqualTo(new Point(10, 10));
    }
  
    @SwitchToTopAfterTest
    @Test
    @NotYetImplemented(SAFARI)
    @NotYetImplemented(FIREFOX)
    @NotYetImplemented(IE)
    @NotYetImplemented(CHROME)
    @NotYetImplemented(EDGE)
    public void testShouldGetCoordinatesInViewPortOfAnElementInAFrame() {
      driver.get(appServer.whereIs("coordinates_tests/element_in_frame.html"));
      driver.switchTo().frame("ifr");
      assertThat(getLocationInViewPort(By.id("box"))).isEqualTo(new Point(25, 25));
      assertThat(getLocationOnPage(By.id("box"))).isEqualTo(new Point(10, 10));
    }
  
    @SwitchToTopAfterTest
    @Test
    @NotYetImplemented(SAFARI)
    @NotYetImplemented(FIREFOX)
    @NotYetImplemented(IE)
    @NotYetImplemented(CHROME)
    @NotYetImplemented(EDGE)
    public void testShouldGetCoordinatesInViewPortOfAnElementInANestedFrame() {
      driver.get(appServer.whereIs("coordinates_tests/element_in_nested_frame.html"));
      driver.switchTo().frame("ifr");
      driver.switchTo().frame("ifr");
      assertThat(getLocationInViewPort(By.id("box"))).isEqualTo(new Point(40, 40));
      assertThat(getLocationOnPage(By.id("box"))).isEqualTo(new Point(10, 10));
    }
  
    @Test
    void testShouldGetCoordinatesOfAnElementWithFixedPosition() {
      driver.get(appServer.whereIs("coordinates_tests/page_with_fixed_element.html"));
      assertThat(getLocationInViewPort(By.id("fixed")).getY()).isZero();
      assertThat(getLocationOnPage(By.id("fixed")).getY()).isZero();
  
      driver.findElement(By.id("bottom")).click();
      assertThat(getLocationInViewPort(By.id("fixed")).getY()).isZero();
      assertThat(getLocationOnPage(By.id("fixed")).getY()).isPositive();
    }
  
    @Test
    void testShouldCorrectlyIdentifyThatAnElementHasWidthAndHeight() {
      driver.get(pages.xhtmlTestPage);
  
      WebElement shrinko = driver.findElement(By.id("linkId"));
      Dimension size = shrinko.getSize();
      assertThat(size.width).isPositive();
      assertThat(size.height).isPositive();
    }
  
    // TODO: This test's value seems dubious at best. The CSS spec does not define how browsers
    // should handle sub-pixel rendering, and every browser seems to be different anyhow:
    // http://ejohn.org/blog/sub-pixel-problems-in-css/
    @Test
    @Ignore(IE)
    @NotYetImplemented(value = CHROME, reason = "WebKit bug 28804")
    @NotYetImplemented(value = EDGE, reason = "WebKit bug 28804")
    @NotYetImplemented(SAFARI)
    @Ignore(FIREFOX)
    public void testShouldHandleNonIntegerPositionAndSize() {
      driver.get(pages.rectanglesPage);
  
      WebElement r2 = driver.findElement(By.id("r2"));
      String left = r2.getCssValue("left");
      assertThat(left).startsWith("10.9");
      String top = r2.getCssValue("top");
      assertThat(top).startsWith("10.1");
      assertThat(r2.getLocation()).isEqualTo(new Point(11, 10));
      String width = r2.getCssValue("width");
      assertThat(width).startsWith("48.6");
      String height = r2.getCssValue("height");
      assertThat(height).startsWith("49.3");
      assertThat(r2.getSize()).isEqualTo(new Dimension(49, 49));
    }
  
    private Point getLocationInViewPort(By locator) {
      WebElement element = driver.findElement(locator);
      return ((Locatable) element).getCoordinates().inViewPort();
    }
  
    private Point getLocationOnPage(By locator) {
      WebElement element = driver.findElement(locator);
      return ((Locatable) element).getCoordinates().onPage();
    }
  }
  