2d.drawImage.zerocanvas.html (1332B)
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>Canvas test: 2d.drawImage.zerocanvas</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 <link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css"> 9 <body class="show_output"> 10 11 <h1>2d.drawImage.zerocanvas</h1> 12 <p class="desc">drawImage with zero-sized canvas as the source shoud throw exception</p> 13 14 15 <p class="output">Actual output:</p> 16 <canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas> 17 18 <ul id="d"></ul> 19 <script> 20 var t = async_test("drawImage with zero-sized canvas as the source shoud throw exception"); 21 _addTest(function(canvas, ctx) { 22 23 var canvas2 = document.createElement('canvas'); 24 canvas2.width = 0; 25 canvas2.height = 50; 26 assert_throws_dom("INVALID_STATE_ERR", function() { ctx.drawImage(canvas2, 0, 0); }); 27 28 canvas2.width = 50; 29 canvas2.height = 0; 30 assert_throws_dom("INVALID_STATE_ERR", function() { ctx.drawImage(canvas2, 0, 0); }); 31 32 canvas2.width = 0; 33 canvas2.height = 0; 34 assert_throws_dom("INVALID_STATE_ERR", function() { ctx.drawImage(canvas2, 0, 0); }); 35 36 }); 37 </script>