| <!DOCTYPE HTML> |
| <html> |
| <head> |
| <style> |
| #parent { |
| position: absolute; |
| background: blue; |
| width: 300px; |
| height: 300px; |
| top: 150px; |
| left: 100px; |
| } |
| |
| #child { |
| position: absolute; |
| background: red; |
| top: 60px; |
| left: 50px; |
| width: 200px; |
| height: 100px; |
| } |
| |
| </style> |
| </head> |
| <script src='test.js'></script> |
| <script src='get_element_location.js'></script> |
| <script> |
| |
| function testElementParentCenterLocation() { |
| var parent = document.getElementById('parent'); |
| var location = getElementLocation(parent, true); |
| var x = 100 + 0.5 * 300; |
| var y = 150 + 0.5 * 300; |
| assertEquals(Math.floor(x), Math.floor(location.x)); |
| assertEquals(Math.floor(y), Math.floor(location.y)); |
| } |
| |
| function testElementChildCenterLocation() { |
| var child = document.getElementById('child'); |
| var location = getElementLocation(child, true); |
| var x = 150 + 0.5 * 200; |
| var y = 210 + 0.5 * 100; |
| assertEquals(Math.floor(x), Math.floor(location.x)); |
| assertEquals(Math.floor(y), Math.floor(location.y)); |
| } |
| |
| function testElementParentTopLeftLocation() { |
| var parent = document.getElementById('parent'); |
| var location = getElementLocation(parent, false); |
| var x = 100; |
| var y = 150; |
| assertEquals(Math.floor(x), Math.floor(location.x)); |
| assertEquals(Math.floor(y), Math.floor(location.y)); |
| } |
| |
| function testElementChildCenterTopLeftLocation() { |
| var child = document.getElementById('child'); |
| var location = getElementLocation(child, false); |
| var x = 150; |
| var y = 210; |
| assertEquals(Math.floor(x), Math.floor(location.x)); |
| assertEquals(Math.floor(y), Math.floor(location.y)); |
| } |
| |
| </script> |
| <body> |
| <h2>position: absolute;</h2> |
| <p>The Parent element has position: absolute.</p> |
| <div id="parent">Parent: position: absolute, top: 150px, left: 100px. |
| <div id="child">Child: position: absolute, top: 60px, left: 50px.</div> |
| </div> |
| </body> |
| </html> |
