2d.path.ellipse.basics.html (1325B)
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.ellipse.basics</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.ellipse.basics</h1> 10 <p class="desc">Verify canvas throws error when drawing ellipse with negative radii.</p> 11 12 13 <script> 14 var t = async_test("Verify canvas throws error when drawing ellipse with negative radii."); 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 ctx.ellipse(10, 10, 10, 5, 0, 0, 1, false); 25 ctx.ellipse(10, 10, 10, 0, 0, 0, 1, false); 26 ctx.ellipse(10, 10, -0, 5, 0, 0, 1, false); 27 assert_throws_dom("INDEX_SIZE_ERR", function() { ctx.ellipse(10, 10, -2, 5, 0, 0, 1, false); }); 28 assert_throws_dom("INDEX_SIZE_ERR", function() { ctx.ellipse(10, 10, 0, -1.5, 0, 0, 1, false); }); 29 assert_throws_dom("INDEX_SIZE_ERR", function() { ctx.ellipse(10, 10, -2, -5, 0, 0, 1, false); }); 30 ctx.ellipse(80, 0, 10, 4294967277, Math.PI / -84, -Math.PI / 2147483436, false); 31 t.done(); 32 33 }); 34 </script>