| <!DOCTYPE html> |
| <!-- |
| | Modifying a style that affects stacking contexts should cause the |
| | stacking contexts of potentially impacted boxes to be recalculated. |
| --> |
| <html> |
| <head> |
| <style> |
| .light-green, .dark-green, .blue-positive, .blue-negative { |
| position: absolute; |
| width: 100px; |
| height: 100px; |
| } |
| .light-green { |
| left: 0px; |
| top: 0px; |
| background-color: #B7E1CD; |
| z-index: 1; |
| } |
| .dark-green { |
| left: 30px; |
| top: 30px; |
| background-color: #0B8043; |
| z-index: -1; |
| } |
| .blue-positive { |
| left: 40px; |
| top: 40px; |
| background-color: #4285F4; |
| z-index: 3; |
| } |
| .blue-negative { |
| left: 40px; |
| top: 40px; |
| background-color: #4285F4; |
| z-index: -3; |
| } |
| .blue-container { |
| position: absolute; |
| left: 20px; |
| top: 20px; |
| |
| width: 150px; |
| height: 150px; |
| |
| background-color: #4285F4; |
| z-index: -10; |
| } |
| </style> |
| <script> |
| if (window.testRunner) { |
| window.testRunner.waitUntilDone(); |
| } |
| |
| window.onload = function() { |
| if (window.testRunner) { |
| window.testRunner.DoNonMeasuredLayout(); |
| } |
| |
| var node = document.getElementById('node'); |
| node.className = "blue-negative"; |
| |
| if (window.testRunner) { |
| window.testRunner.notifyDone(); |
| } |
| } |
| </script> |
| </head> |
| <body> |
| <div class="blue-container"> |
| <div id="node" class="blue-positive"></div> |
| <div class="dark-green"></div> |
| </div> |
| <div class="light-green"></div> |
| </body> |
| </html> |
