2d.gradient.conic.invalid.inputs.html (2303B)
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.gradient.conic.invalid.inputs</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.gradient.conic.invalid.inputs</h1> 10 <p class="desc">Conic gradient function with invalid inputs</p> 11 12 13 <script> 14 var t = async_test("Conic gradient function with invalid inputs"); 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.createConicGradient(Infinity, 0, 1); }); 25 assert_throws_js(TypeError, function() { ctx.createConicGradient(-Infinity, 0, 1); }); 26 assert_throws_js(TypeError, function() { ctx.createConicGradient(NaN, 0, 1); }); 27 assert_throws_js(TypeError, function() { ctx.createConicGradient(0, Infinity, 1); }); 28 assert_throws_js(TypeError, function() { ctx.createConicGradient(0, -Infinity, 1); }); 29 assert_throws_js(TypeError, function() { ctx.createConicGradient(0, NaN, 1); }); 30 assert_throws_js(TypeError, function() { ctx.createConicGradient(0, 0, Infinity); }); 31 assert_throws_js(TypeError, function() { ctx.createConicGradient(0, 0, -Infinity); }); 32 assert_throws_js(TypeError, function() { ctx.createConicGradient(0, 0, NaN); }); 33 assert_throws_js(TypeError, function() { ctx.createConicGradient(Infinity, Infinity, 1); }); 34 assert_throws_js(TypeError, function() { ctx.createConicGradient(Infinity, Infinity, Infinity); }); 35 assert_throws_js(TypeError, function() { ctx.createConicGradient(Infinity, 0, Infinity); }); 36 assert_throws_js(TypeError, function() { ctx.createConicGradient(0, Infinity, Infinity); }); 37 38 const g = ctx.createConicGradient(0, 0, 25); 39 assert_throws_js(TypeError, function() { g.addColorStop(-Infinity, '#f00'); }); 40 assert_throws_js(TypeError, function() { g.addColorStop(NaN, '#f00'); }); 41 assert_throws_dom("SYNTAX_ERR", function() { g.addColorStop(0, -Infinity); }); 42 assert_throws_dom("SYNTAX_ERR", function() { g.addColorStop(0, NaN); }); 43 t.done(); 44 45 }); 46 </script>