2d.imageData.create2.nonfinite.html (2198B)
1 <!DOCTYPE html> 2 <!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. --> 3 <meta charset="UTF-8"> 4 <title>OffscreenCanvas test: 2d.imageData.create2.nonfinite</title> 5 <script src="/resources/testharness.js"></script> 6 <script src="/resources/testharnessreport.js"></script> 7 <script src="/html/canvas/resources/canvas-tests.js"></script> 8 9 <h1>2d.imageData.create2.nonfinite</h1> 10 <p class="desc">createImageData() throws TypeError if arguments are not finite</p> 11 12 <p class="notes">Defined in "Web IDL" (draft) 13 <script> 14 var t = async_test("createImageData() throws TypeError if arguments are not finite"); 15 var t_pass = t.done.bind(t); 16 var t_fail = t.step_func(function(reason) { 17 throw reason; 18 }); 19 t.step(function() { 20 21 var canvas = new OffscreenCanvas(100, 50); 22 var ctx = canvas.getContext('2d'); 23 24 assert_throws_js(TypeError, function() { ctx.createImageData(Infinity, 10); }); 25 assert_throws_js(TypeError, function() { ctx.createImageData(-Infinity, 10); }); 26 assert_throws_js(TypeError, function() { ctx.createImageData(NaN, 10); }); 27 assert_throws_js(TypeError, function() { ctx.createImageData(10, Infinity); }); 28 assert_throws_js(TypeError, function() { ctx.createImageData(10, -Infinity); }); 29 assert_throws_js(TypeError, function() { ctx.createImageData(10, NaN); }); 30 assert_throws_js(TypeError, function() { ctx.createImageData(Infinity, Infinity); }); 31 var posinfobj = { valueOf: function() { return Infinity; } }, 32 neginfobj = { valueOf: function() { return -Infinity; } }, 33 nanobj = { valueOf: function() { return -Infinity; } }; 34 assert_throws_js(TypeError, function() { ctx.createImageData(posinfobj, 10); }); 35 assert_throws_js(TypeError, function() { ctx.createImageData(neginfobj, 10); }); 36 assert_throws_js(TypeError, function() { ctx.createImageData(nanobj, 10); }); 37 assert_throws_js(TypeError, function() { ctx.createImageData(10, posinfobj); }); 38 assert_throws_js(TypeError, function() { ctx.createImageData(10, neginfobj); }); 39 assert_throws_js(TypeError, function() { ctx.createImageData(10, nanobj); }); 40 assert_throws_js(TypeError, function() { ctx.createImageData(posinfobj, posinfobj); }); 41 t.done(); 42 43 }); 44 </script>