| <!DOCTYPE html> |
| <!-- DO NOT EDIT! This test has been generated by tools/gentest.py. --> |
| <title>Canvas test: 2d.imageData.get.range</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.get.range</h1> |
| <p class="desc">getImageData() returns values in the range [0, 255]</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("getImageData() returns values in the range [0, 255]"); |
| _addTest(function(canvas, ctx) { |
| |
| ctx.fillStyle = '#000'; |
| ctx.fillRect(0, 0, 100, 50); |
| ctx.fillStyle = '#fff'; |
| ctx.fillRect(20, 10, 60, 10); |
| var imgdata1 = ctx.getImageData(10, 5, 1, 1); |
| _assertSame(imgdata1.data[0], 0, "imgdata1.data[\""+(0)+"\"]", "0"); |
| var imgdata2 = ctx.getImageData(30, 15, 1, 1); |
| _assertSame(imgdata2.data[0], 255, "imgdata2.data[\""+(0)+"\"]", "255"); |
| |
| |
| }); |
| </script> |
| |
