2d.reset.basic.worker.js (921B)
1 // DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. 2 // OffscreenCanvas test in a worker:2d.reset.basic 3 // Description:reset clears to transparent black 4 // Note: 5 6 importScripts("/resources/testharness.js"); 7 importScripts("/html/canvas/resources/canvas-tests.js"); 8 9 var t = async_test("reset clears to transparent black"); 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, ctx.canvas.width, ctx.canvas.height); 21 ctx.reset(); 22 _assertPixel(canvas, 0,0, 0,0,0,0); 23 _assertPixel(canvas, 50,25, 0,0,0,0); 24 _assertPixel(canvas, 25,50, 0,0,0,0); 25 _assertPixel(canvas, 100,50, 0,0,0,0); 26 _assertPixel(canvas, 0,50, 0,0,0,0); 27 _assertPixel(canvas, 100,0, 0,0,0,0); 28 t.done(); 29 t.done(); 30 }); 31 done();