| <!-- webkit-test-runner [ enableBackForwardCache=true ] --> |
| <html> |
| <head> |
| <style> |
| #example { |
| width: 100%; |
| height: 100%; |
| } |
| </style> |
| <script src="../../../resources/js-test.js"></script> |
| <script src="resources/webgl-test-utils.js"> </script> |
| <script> |
| description('Tests that a page with a WebGLRenderingContext is able to enter the back/forward cache.'); |
| jsTestIsAsync = true; |
| |
| window.addEventListener("pageshow", function(event) { |
| debug("pageshow - " + (event.persisted ? "" : "not ") + "from page cache"); |
| if (event.persisted) { |
| testPassed("Page entered page cache"); |
| finishJSTest(); |
| } |
| }); |
| |
| window.addEventListener("pagehide", function(event) { |
| debug("pagehide - " + (event.persisted ? "" : "not ") + "entering page cache"); |
| if (!event.persisted) { |
| testFailed("Page failed to enter page cache"); |
| finishJSTest(); |
| } |
| }); |
| |
| function start() |
| { |
| canvas = document.getElementById('example'); |
| gl = WebGLTestUtils.create3DContext(canvas); |
| |
| setTimeout(() => { |
| window.location = "../../history/resources/page-cache-helper.html"; |
| }, 0); |
| } |
| |
| testPassed("Canvas did not crash on resize."); |
| </script> |
| </head> |
| |
| <body onload="start()"> |
| <canvas id="example"></canvas> |
| </body> |
| </html> |
| |
