| <!DOCTYPE html> |
| <html> |
| <head> |
| <style> |
| body { |
| height:800px; |
| width: 600px; |
| } |
| </style> |
| <script src="../../resources/testharness.js"></script> |
| <script src="../../resources/testharnessreport.js"></script> |
| <script src="resources/scroll-behavior-test.js"></script> |
| <script type="text/javascript"> |
| var maxScrollHeight; |
| var maxScrollWidth; |
| |
| function getEndPosition(testCase, startPosition) { |
| var endPosition = {}; |
| // If the pageScaleFactor is set to 1, it means that there is no pinch-zoom, |
| // i.e. the endPosition = max scroll. |
| if (testCase.x) { |
| if (testCase.pageScaleFactor == 1) { |
| endPosition.x = maxScrollWidth; |
| } else { |
| endPosition.x = startPosition.x + testCase.x; |
| } |
| } else { |
| endPosition.x = startPosition.x; |
| } |
| |
| if (testCase.y) { |
| if (testCase.pageScaleFactor == 1) { |
| endPosition.y = maxScrollHeight; |
| } else { |
| endPosition.y = startPosition.y + testCase.y; |
| } |
| } else { |
| endPosition.y = startPosition.y; |
| } |
| |
| return endPosition; |
| } |
| |
| function jsScroll(testCase) { |
| if (testCase.js) { |
| var scrollToOptions = {behavior: testCase.js}; |
| if (testCase.x) |
| scrollToOptions.left = testCase.x; |
| if (testCase.y) |
| scrollToOptions.top = testCase.y |
| document.scrollingElement.scrollBy(scrollToOptions); |
| } else { |
| document.scrollingElement.scrollBy(testCase.x, testCase.y); |
| } |
| } |
| |
| const testScrolls = [ |
| {js: "smooth", css: "smooth", x: 0, y: 1000, pageScaleFactor: 1}, |
| {js: "smooth", css: "smooth", x: 10, y: 400, pageScaleFactor: 4}, |
| {js: "instant", css: "instant", x: 0, y: 1000, pageScaleFactor: 1}, |
| {js: "instant", css: "instant", x: 10, y: 400, pageScaleFactor: 4}, |
| ]; |
| |
| function doTest() |
| { |
| var testCases = []; |
| maxScrollHeight = document.scrollingElement.scrollHeight - window.innerHeight; |
| maxScrollWidth = document.scrollingElement.scrollWidth - window.innerWidth; |
| |
| for (var i = 0; i < testScrolls.length; i++) { |
| testCases.push(new ScrollBehaviorTestCase(testScrolls[i])); |
| } |
| |
| var scrollBehaviorTest = new ScrollBehaviorTest(document.scrollingElement, |
| document, |
| testCases, |
| getEndPosition, |
| jsScroll); |
| scrollBehaviorTest.run(); |
| } |
| |
| window.addEventListener('load', doTest, false); |
| </script> |
| </head> |
| |
| <body> |
| <p>Test that scrollBy works on the visual viewport.</p> |
| <div id="content"></div> |
| </body> |
| </html> |
