2d.path.arcTo.negative.html (960B)
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.path.arcTo.negative</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.path.arcTo.negative</h1> 10 <p class="desc">arcTo() with negative radius throws an exception</p> 11 12 13 <script> 14 var t = async_test("arcTo() with negative radius throws an exception"); 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_dom("INDEX_SIZE_ERR", function() { ctx.arcTo(0, 0, 0, 0, -1); }); 25 var path = new Path2D(); 26 assert_throws_dom("INDEX_SIZE_ERR", function() { path.arcTo(10, 10, 20, 20, -5); }); 27 t.done(); 28 29 }); 30 </script>