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Diffstat (limited to 'gfx/layers/apz/test/mochitest/helper_bug1780701.html')
-rw-r--r-- | gfx/layers/apz/test/mochitest/helper_bug1780701.html | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/gfx/layers/apz/test/mochitest/helper_bug1780701.html b/gfx/layers/apz/test/mochitest/helper_bug1780701.html new file mode 100644 index 0000000000..f445f9abe6 --- /dev/null +++ b/gfx/layers/apz/test/mochitest/helper_bug1780701.html @@ -0,0 +1,70 @@ +<!DOCTYPE HTML> +<html> +<head> + <meta charset="utf-8"> + <meta name="viewport" content="width=device-width, initial-scale=1"> + <title>Test that scroll snap wont't happen on zoomed content</title> + <script src="apz_test_utils.js"></script> + <script src="apz_test_native_event_utils.js"></script> + <script src="/tests/SimpleTest/paint_listener.js"></script> + <style> + body { + margin: 0; + } + html { + overflow-y: scroll; + scroll-snap-type: y proximity; + } + .snap { + width: 100vw; + height: 100vh; + background-color: blue; + position: absolute; + top: 200px; + scroll-snap-align: start; + } + </style> +</head> +<body> + <div class="snap"></div> + <div style="width: 100%; height: 500vh;"></div> + <script type="application/javascript"> + async function test() { + let transformEndPromise = promiseTransformEnd(); + + // Use scrollToVisual() to scroll visual viewport. + SpecialPowers.DOMWindowUtils.scrollToVisual( + 100, 400, + SpecialPowers.DOMWindowUtils.UPDATE_TYPE_MAIN_THREAD, + SpecialPowers.DOMWindowUtils.SCROLL_MODE_SMOOTH); + + // Wait for the end of the scroll. + await transformEndPromise; + await waitToClearOutAnyPotentialScrolls(); + + const pageTop = visualViewport.pageTop; + const pageLeft = visualViewport.pageLeft; + + let eventFired = false; + window.visualViewport.addEventListener("scroll", () => { + eventFired = true; + }); + + // Trigger a scroll snap, it should nothing. + SpecialPowers.wrap(document.documentElement).mozScrollSnap(); + + await waitToClearOutAnyPotentialScrolls(); + ok(!eventFired, "No visual scroll should happen"); + + // Sanity checks to see whether the visual viewport hasn't been changed. + is(visualViewport.pageTop, pageTop); + is(visualViewport.pageLeft, pageLeft); + } + + SpecialPowers.DOMWindowUtils.setResolutionAndScaleTo(10.0); + waitUntilApzStable() + .then(test) + .then(subtestDone, subtestFailed); + </script> +</body> +</html> |