2d.canvas.host.readonly.worker.js (757B)
1 // DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. 2 // OffscreenCanvas test in a worker:2d.canvas.host.readonly 3 // Description:Canvas objects are readonly 4 // Note: 5 6 importScripts("/resources/testharness.js"); 7 importScripts("/html/canvas/resources/canvas-tests.js"); 8 9 var t = async_test("Canvas objects are readonly"); 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 var canvas2 = new OffscreenCanvas(100, 50); 20 var d = ctx.canvas; 21 _assertDifferent(canvas2, d, "canvas2", "d"); 22 ctx.canvas = canvas2; 23 _assertSame(ctx.canvas, d, "ctx.canvas", "d"); 24 t.done(); 25 }); 26 done();