<!DOCTYPE html> <!-- DO NOT EDIT! This test has been generated by tools/gentest.py. --> <title>Canvas test: 2d.imageData.create2.initial</title> <script src="/resources/testharness.js"></script> <script src="/resources/testharnessreport.js"></script> <script src="/common/canvas-tests.js"></script> <link rel="stylesheet" href="/common/canvas-tests.css"> <body class="show_output"> <h1>2d.imageData.create2.initial</h1> <p class="desc">createImageData(sw, sh) returns transparent black data of the right size</p> <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> var t = async_test("createImageData(sw, sh) returns transparent black data of the right size"); _addTest(function(canvas, ctx) { var imgdata = ctx.createImageData(10, 20); _assertSame(imgdata.data.length, imgdata.width*imgdata.height*4, "imgdata.data.length", "imgdata.width*imgdata.height*4"); _assert(imgdata.width < imgdata.height, "imgdata.width < imgdata.height"); _assert(imgdata.width > 0, "imgdata.width > 0"); var isTransparentBlack = true; for (var i = 0; i < imgdata.data.length; ++i) if (imgdata.data[i] !== 0) isTransparentBlack = false; _assert(isTransparentBlack, "isTransparentBlack"); }); </script>