2d.imageData.get.invalid.html (1804B)
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.imageData.get.invalid</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.imageData.get.invalid</h1> 12 <p class="desc">Verify getImageData() behavior in invalid cases.</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("Verify getImageData() behavior in invalid cases."); 21 _addTest(function(canvas, ctx) { 22 23 imageData = ctx.getImageData(0,0,2,2); 24 var testValues = [NaN, true, false, "\"garbage\"", "-1", 25 "0", "1", "2", Infinity, -Infinity, 26 -5, -0.5, 0, 0.5, 5, 27 5.4, 255, 256, null, undefined]; 28 var testResults = [0, 1, 0, 0, 0, 29 0, 1, 2, 255, 0, 30 0, 0, 0, 0, 5, 31 5, 255, 255, 0, 0]; 32 for (var i = 0; i < testValues.length; i++) { 33 imageData.data[0] = testValues[i]; 34 _assert(imageData.data[0] == testResults[i], "imageData.data[\""+(0)+"\"] == testResults[\""+(i)+"\"]"); 35 } 36 imageData.data['foo']='garbage'; 37 _assert(imageData.data['foo'] == 'garbage', "imageData.data['foo'] == 'garbage'"); 38 imageData.data[-1]='garbage'; 39 _assert(imageData.data[-1] == undefined, "imageData.data[-1] == undefined"); 40 imageData.data[17]='garbage'; 41 _assert(imageData.data[17] == undefined, "imageData.data[\""+(17)+"\"] == undefined"); 42 43 }); 44 </script>