| <!DOCTYPE html> |
| <title>Canvas test: 2d.imageData.create1.zero</title> |
| <meta name="author" content="Philip Taylor"> |
| <script src="../common/canvas-tests.js"></script> |
| <link rel="stylesheet" href="../common/canvas-tests.css"> |
| <body class="show_output"> |
| |
| <h1><a href="index.2d.html">2d</a>.<a href="index.2d.imageData.html">imageData</a>.<a href="index.2d.imageData.create1.html">create1</a>.zero</h1> |
| <p class="desc">createImageData(null) throws TypeError</p> |
| |
| <div class="refs">Spec references: |
| <ul> |
| <li><a href="../annotated-spec/canvas.html#testrefs.2d.imageData.create.null">2d.imageData.create.null</a> |
| </ul> |
| </div> |
| |
| <p class="output">Actual output:</p> |
| <canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas> |
| |
| <ul id="d"></ul> |
| <script> |
| _addTest(function(canvas, ctx) { |
| |
| try { var _thrown = false; |
| ctx.createImageData(null); |
| } catch (e) { if (!(e instanceof TypeError)) _fail("Failed assertion: expected exception of type TypeError, got: "+e); _thrown = true; } finally { _assert(_thrown, "should throw exception of type TypeError: ctx.createImageData(null)"); } |
| |
| |
| }); |
| </script> |
| |
