| <!DOCTYPE html> |
| <!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. --> |
| <title>Canvas test: 2d.imageData.get.invalid</title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/html/canvas/resources/canvas-tests.js"></script> |
| <link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css"> |
| <body class="show_output"> |
| |
| <h1>2d.imageData.get.invalid</h1> |
| <p class="desc">Verify getImageData() behavior in invalid cases.</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("Verify getImageData() behavior in invalid cases."); |
| _addTest(function(canvas, ctx) { |
| |
| imageData = ctx.getImageData(0,0,2,2); |
| var testValues = [NaN, true, false, "\"garbage\"", "-1", |
| "0", "1", "2", Infinity, -Infinity, |
| -5, -0.5, 0, 0.5, 5, |
| 5.4, 255, 256, null, undefined]; |
| var testResults = [0, 1, 0, 0, 0, |
| 0, 1, 2, 255, 0, |
| 0, 0, 0, 0, 5, |
| 5, 255, 255, 0, 0]; |
| for (var i = 0; i < testValues.length; i++) { |
| imageData.data[0] = testValues[i]; |
| _assert(imageData.data[0] == testResults[i], "imageData.data[\""+(0)+"\"] == testResults[\""+(i)+"\"]"); |
| } |
| imageData.data['foo']='garbage'; |
| _assert(imageData.data['foo'] == 'garbage', "imageData.data['foo'] == 'garbage'"); |
| imageData.data[-1]='garbage'; |
| _assert(imageData.data[-1] == undefined, "imageData.data[-1] == undefined"); |
| imageData.data[17]='garbage'; |
| _assert(imageData.data[17] == undefined, "imageData.data[\""+(17)+"\"] == undefined"); |
| |
| }); |
| </script> |
| |