2d.layer.invalid-calls.save-beginLayer-restore.worker.js (626B)
1 // DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. 2 // OffscreenCanvas test in a worker:2d.layer.invalid-calls.save-beginLayer-restore 3 // Description:Raises exception on save() + beginLayer() + restore(). 4 // Note: 5 6 importScripts("/resources/testharness.js"); 7 importScripts("/html/canvas/resources/canvas-tests.js"); 8 9 test(t => { 10 var canvas = new OffscreenCanvas(100, 50); 11 var ctx = canvas.getContext('2d'); 12 13 assert_throws_dom("INVALID_STATE_ERR", function() { 14 ctx.save(); 15 ctx.beginLayer(); 16 ctx.restore(); 17 }); 18 }, "Raises exception on save() + beginLayer() + restore()."); 19 done();