| <!DOCTYPE html> |
| <!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. --> |
| <title>OffscreenCanvas test: 2d.strokeRect.negative</title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/html/canvas/resources/canvas-tests.js"></script> |
| |
| <h1>2d.strokeRect.negative</h1> |
| <p class="desc">strokeRect of negative sizes works</p> |
| |
| |
| <script> |
| var t = async_test("strokeRect of negative sizes works"); |
| var t_pass = t.done.bind(t); |
| var t_fail = t.step_func(function(reason) { |
| throw reason; |
| }); |
| t.step(function() { |
| |
| var offscreenCanvas = new OffscreenCanvas(100, 50); |
| var ctx = offscreenCanvas.getContext('2d'); |
| |
| ctx.fillStyle = '#f00'; |
| ctx.fillRect(0, 0, 100, 50); |
| ctx.strokeStyle = '#0f0'; |
| ctx.lineWidth = 25; |
| ctx.strokeRect(12, 12, 26, 1); |
| ctx.strokeRect(88, 12, -26, 1); |
| ctx.strokeRect(12, 38, 26, -1); |
| ctx.strokeRect(88, 38, -26, -1); |
| _assertPixel(offscreenCanvas, 25,12, 0,255,0,255, "25,12", "0,255,0,255"); |
| _assertPixel(offscreenCanvas, 75,12, 0,255,0,255, "75,12", "0,255,0,255"); |
| _assertPixel(offscreenCanvas, 25,37, 0,255,0,255, "25,37", "0,255,0,255"); |
| _assertPixel(offscreenCanvas, 75,37, 0,255,0,255, "75,37", "0,255,0,255"); |
| t.done(); |
| |
| }); |
| </script> |
