| <!DOCTYPE html> |
| <script> |
| if (window.internals) |
| internals.useMockOverlayScrollbars(); |
| </script> |
| <script src="../../resources/js-test.js"></script> |
| <style> |
| iframe { width: 100px; height: 100px; } |
| iframe.wider { width: 200px; } |
| </style> |
| <iframe id="frame" srcdoc="<!DOCTYPE html>iframe" onload="runTests()"></iframe> |
| <script> |
| description("Style recalc/layout when reading clientWidth of documentElement in iframe."); |
| |
| var jsTestIsAsync = true; |
| |
| shouldBeDefined(window.internals); |
| |
| function runTests() { |
| clientWidthBefore = frame.contentDocument.documentElement.clientWidth; |
| frame.className = "wider"; |
| clientWidthAfter = frame.contentDocument.documentElement.clientWidth; |
| |
| shouldBe("internals.updateStyleAndReturnAffectedElementCount()", "0"); |
| shouldBe("clientWidthBefore", "100"); |
| shouldBe("clientWidthAfter", "200"); |
| |
| finishJSTest(); |
| } |
| </script> |
