2d.path.arc.angle.6.html (1166B)
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.arc.angle.6</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.arc.angle.6</h1> 10 <p class="desc">arc() draws a full circle when anticlockwise and start > end+2pi</p> 11 12 13 <script> 14 var t = async_test("arc() draws a full circle when anticlockwise and start > end+2pi"); 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.fillStyle = '#0f0'; 27 ctx.beginPath(); 28 ctx.moveTo(50, 25); 29 ctx.arc(50, 25, 60, (1024-1)*Math.PI, (512+1/2)*Math.PI, true); 30 ctx.fill(); 31 _assertPixel(canvas, 1,1, 0,255,0,255); 32 _assertPixel(canvas, 98,1, 0,255,0,255); 33 _assertPixel(canvas, 1,48, 0,255,0,255); 34 _assertPixel(canvas, 98,48, 0,255,0,255); 35 t.done(); 36 37 }); 38 </script>