2d.gradient.object.invalidoffset.worker.js (977B)
1 // DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. 2 // OffscreenCanvas test in a worker:2d.gradient.object.invalidoffset 3 // Description: 4 // Note: 5 6 importScripts("/resources/testharness.js"); 7 importScripts("/html/canvas/resources/canvas-tests.js"); 8 9 var t = async_test(""); 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 g = ctx.createLinearGradient(0, 0, 100, 0); 20 assert_throws_dom("INDEX_SIZE_ERR", function() { g.addColorStop(-1, '#000'); }); 21 assert_throws_dom("INDEX_SIZE_ERR", function() { g.addColorStop(2, '#000'); }); 22 assert_throws_js(TypeError, function() { g.addColorStop(Infinity, '#000'); }); 23 assert_throws_js(TypeError, function() { g.addColorStop(-Infinity, '#000'); }); 24 assert_throws_js(TypeError, function() { g.addColorStop(NaN, '#000'); }); 25 t.done(); 26 }); 27 done();