2d.reset.state.global_alpha.worker.js (801B)
1 // DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. 2 // OffscreenCanvas test in a worker:2d.reset.state.global_alpha 3 // Description:check that the state is reset 4 // Note: 5 6 importScripts("/resources/testharness.js"); 7 importScripts("/html/canvas/resources/canvas-tests.js"); 8 9 var t = async_test("check that the state is reset"); 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 const default_value = ctx.globalAlpha; 20 21 ctx.globalAlpha = 0.5; 22 _assert(ctx.globalAlpha == 0.5, "ctx.globalAlpha == 0.5"); 23 24 ctx.reset(); 25 _assert(ctx.globalAlpha == default_value, "ctx.globalAlpha == default_value"); 26 t.done(); 27 }); 28 done();