| <!DOCTYPE html> |
| <style> |
| body { |
| height: 2000px; |
| width: 2000px; |
| } |
| </style> |
| <script src="../../../resources/testharness.js"></script> |
| <script src="../../../resources/testharnessreport.js"></script> |
| <script> |
| var browserZoomFactor = 1.25; |
| var pageScaleFactor = 2; |
| var scrollbarWidthCSSPixels = 15 / pageScaleFactor; |
| var scrollbarHeightCSSPixels = 15 / pageScaleFactor; |
| |
| function viewport() { |
| return window.visualViewport; |
| } |
| |
| async_test(function(t) { |
| window.onload = t.step_func(function() { |
| // TODO(ymalik): Remove hook to internals to pinch-zoom here and browser |
| // zoom below. This will be required to upstream to w3c repo. |
| internals.setPageScaleFactor(pageScaleFactor); |
| |
| // Verify viewport dimensions exclude scrollbar. |
| assert_equals( |
| viewport().width, |
| 800 / pageScaleFactor - scrollbarWidthCSSPixels, |
| "Width with pinch-zoom"); |
| assert_equals( |
| viewport().height, |
| 600 / pageScaleFactor - scrollbarHeightCSSPixels, |
| "Height with pinch-zoom"); |
| |
| // Apply browser zoom. |
| window.internals.setZoomFactor(browserZoomFactor); |
| |
| // Since the scrollbars don't change size to the user as we zoom, they're |
| // actuall smaller in CSS pixels. |
| scrollbarWidthCSSPixels /= browserZoomFactor; |
| scrollbarHeightCSSPixels /= browserZoomFactor; |
| |
| // Verify scrollbar exclusion with browser zoom. |
| assert_equals( |
| viewport().width, |
| 800 / pageScaleFactor / browserZoomFactor - scrollbarWidthCSSPixels, |
| "Width with pinch-zoom and browser zoom"); |
| assert_equals( |
| viewport().height, |
| 600 / pageScaleFactor / browserZoomFactor - scrollbarHeightCSSPixels, |
| "Height with pinch-zoom and browser zoom"); |
| t.done(); |
| }); |
| }, 'Verify viewport dimensions exclude scrollbars.'); |
| </script> |
