2d.canvas.context.invalid.args.worker.js (1316B)
1 // DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. 2 // OffscreenCanvas test in a worker:2d.canvas.context.invalid.args 3 // Description:Calling getContext with invalid arguments. 4 // Note: 5 6 importScripts("/resources/testharness.js"); 7 importScripts("/html/canvas/resources/canvas-tests.js"); 8 9 var t = async_test("Calling getContext with invalid arguments."); 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 assert_throws_js(TypeError, function() { canvas.getContext(''); }); 20 assert_throws_js(TypeError, function() { canvas.getContext('This is not an implemented context in any real browser'); }); 21 assert_throws_js(TypeError, function() { canvas.getContext('2d#'); }); 22 assert_throws_js(TypeError, function() { canvas.getContext('2d\0'); }); 23 assert_throws_js(TypeError, function() { canvas.getContext('2\uFF44'); }); 24 assert_throws_js(TypeError, function() { canvas.getContext('2D'); }); 25 assert_throws_js(TypeError, function() { canvas.getContext(); }); 26 assert_throws_js(TypeError, function() { canvas.getContext('null'); }); 27 assert_throws_js(TypeError, function() { canvas.getContext('undefined'); }); 28 t.done(); 29 }); 30 done();