2d.canvas.host.initial.reset.same.worker.js (852B)
1 // DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. 2 // OffscreenCanvas test in a worker:2d.canvas.host.initial.reset.same 3 // Description:Setting size (not changing the value) resets canvas 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("Setting size (not changing the value) resets canvas 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 canvas.width = 100; 20 ctx.fillStyle = '#f00'; 21 ctx.fillRect(0, 0, 50, 50); 22 _assertPixel(canvas, 20,20, 255,0,0,255); 23 canvas.width = 100; 24 _assertPixel(canvas, 20,20, 0,0,0,0); 25 t.done(); 26 }); 27 done();