2d.path.arc.shape.4.worker.js (1025B)
1 // DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. 2 // OffscreenCanvas test in a worker:2d.path.arc.shape.4 3 // Description:arc() from 0 to -pi/2 draws stuff in the right quadrant 4 // Note: 5 6 importScripts("/resources/testharness.js"); 7 importScripts("/html/canvas/resources/canvas-tests.js"); 8 9 var t = async_test("arc() from 0 to -pi/2 draws stuff in the right quadrant"); 10 var t_pass = t.done.bind(t); 11 var t_fail = t.step_func(function(reason) { 12 throw reason; 13 }); 14 t.step(function() { 15 16 var canvas = new OffscreenCanvas(100, 50); 17 var ctx = canvas.getContext('2d'); 18 19 ctx.fillStyle = '#f00'; 20 ctx.fillRect(0, 0, 100, 50); 21 ctx.lineWidth = 150; 22 ctx.strokeStyle = '#0f0'; 23 ctx.beginPath(); 24 ctx.arc(-50, 50, 100, 0, -Math.PI/2, true); 25 ctx.stroke(); 26 _assertPixel(canvas, 50,25, 0,255,0,255); 27 _assertPixel(canvas, 1,1, 0,255,0,255); 28 _assertPixel(canvas, 98,1, 0,255,0,255); 29 _assertPixel(canvas, 1,48, 0,255,0,255); 30 _assertPixel(canvas, 98,48, 0,255,0,255); 31 t.done(); 32 }); 33 done();