| <!DOCTYPE html> |
| <title>MouseEvent.offsetX/offsetY for an SVG element is always relative to the outermost <svg> CSS layout box</title> |
| <script src="../../resources/testharness.js"></script> |
| <script src="../../resources/testharnessreport.js"></script> |
| <style> |
| svg { |
| border: 10px solid blue; |
| border-width: 20px 40px 30px 10px; |
| } |
| </style> |
| <svg width="400" height="400" viewBox="0 0 400000 400000"> |
| <rect x="40000" y="60000" width="80000" height="80000" fill="blue"/> |
| <rect x="160000" y="180000" width="80000" height="80000" fill="blue" stroke="lightblue" stroke-width="10000"/> |
| </svg> |
| <script> |
| function check_offset(test, element, clientX, clientY, expectedOffsetX, expectedOffsetY) { |
| element.onclick = test.step_func(function(event) { |
| assert_equals(event.offsetX, expectedOffsetX, 'offsetX'); |
| assert_equals(event.offsetY, expectedOffsetY, 'offsetY'); |
| }); |
| var mouseEvent = new MouseEvent('click', { clientX: clientX, clientY: clientY }); |
| element.dispatchEvent(mouseEvent); |
| } |
| |
| test(function(t) { |
| var rects = document.querySelectorAll('rect'); |
| var svgBoundingRect = document.querySelector('svg').getBoundingClientRect(); |
| var offsetBase = { x: svgBoundingRect.left + 10, y: svgBoundingRect.top + 20 }; |
| check_offset(t, rects[0], offsetBase.x + 80, offsetBase.y + 100, 80, 100); |
| check_offset(t, rects[1], offsetBase.x + 200, offsetBase.y + 220, 200, 220); |
| }); |
| </script> |
