2d.state.saverestore.stackdepth.worker.js (862B)
1 // DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. 2 // OffscreenCanvas test in a worker:2d.state.saverestore.stackdepth 3 // Description:save()/restore() stack depth is not unreasonably limited 4 // Note: 5 6 importScripts("/resources/testharness.js"); 7 importScripts("/html/canvas/resources/canvas-tests.js"); 8 9 var t = async_test("save()/restore() stack depth is not unreasonably limited"); 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 limit = 512; 20 for (var i = 1; i < limit; ++i) 21 { 22 ctx.save(); 23 ctx.lineWidth = i; 24 } 25 for (var i = limit-1; i > 0; --i) 26 { 27 _assertSame(ctx.lineWidth, i, "ctx.lineWidth", "i"); 28 ctx.restore(); 29 } 30 t.done(); 31 }); 32 done();