2d.path.arcTo.coincide.1.html (1207B)
1 <!DOCTYPE html> 2 <!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. --> 3 <meta charset="UTF-8"> 4 <title>OffscreenCanvas test: 2d.path.arcTo.coincide.1</title> 5 <script src="/resources/testharness.js"></script> 6 <script src="/resources/testharnessreport.js"></script> 7 <script src="/html/canvas/resources/canvas-tests.js"></script> 8 9 <h1>2d.path.arcTo.coincide.1</h1> 10 <p class="desc">arcTo() has no effect if P0 = P1</p> 11 12 13 <script> 14 var t = async_test("arcTo() has no effect if P0 = P1"); 15 var t_pass = t.done.bind(t); 16 var t_fail = t.step_func(function(reason) { 17 throw reason; 18 }); 19 t.step(function() { 20 21 var canvas = new OffscreenCanvas(100, 50); 22 var ctx = canvas.getContext('2d'); 23 24 ctx.fillStyle = '#f00'; 25 ctx.fillRect(0, 0, 100, 50); 26 ctx.lineWidth = 50; 27 28 ctx.strokeStyle = '#0f0'; 29 ctx.beginPath(); 30 ctx.moveTo(0, 25); 31 ctx.arcTo(0, 25, 50, 1000, 1); 32 ctx.lineTo(100, 25); 33 ctx.stroke(); 34 35 ctx.strokeStyle = '#f00'; 36 ctx.beginPath(); 37 ctx.moveTo(50, 25); 38 ctx.arcTo(50, 25, 100, 25, 1); 39 ctx.stroke(); 40 41 _assertPixel(canvas, 50,1, 0,255,0,255); 42 _assertPixel(canvas, 50,25, 0,255,0,255); 43 _assertPixel(canvas, 50,48, 0,255,0,255); 44 t.done(); 45 46 }); 47 </script>