2d.imageData.get.invalid.worker.js (1568B)
1 // DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. 2 // OffscreenCanvas test in a worker:2d.imageData.get.invalid 3 // Description:Verify getImageData() behavior in invalid cases. 4 // Note: 5 6 importScripts("/resources/testharness.js"); 7 importScripts("/html/canvas/resources/canvas-tests.js"); 8 9 var t = async_test("Verify getImageData() behavior in invalid cases."); 10 var t_pass = t.done.bind(t); 11 var t_fail = t.step_func(function(reason) { 12 throw reason; 13 }); 14 t.step(function() { 15 16 var canvas = new OffscreenCanvas(100, 50); 17 var ctx = canvas.getContext('2d'); 18 19 imageData = ctx.getImageData(0,0,2,2); 20 var testValues = [NaN, true, false, "\"garbage\"", "-1", 21 "0", "1", "2", Infinity, -Infinity, 22 -5, -0.5, 0, 0.5, 5, 23 5.4, 255, 256, null, undefined]; 24 var testResults = [0, 1, 0, 0, 0, 25 0, 1, 2, 255, 0, 26 0, 0, 0, 0, 5, 27 5, 255, 255, 0, 0]; 28 for (var i = 0; i < testValues.length; i++) { 29 imageData.data[0] = testValues[i]; 30 _assert(imageData.data[0] == testResults[i], "imageData.data[\""+(0)+"\"] == testResults[\""+(i)+"\"]"); 31 } 32 imageData.data['foo']='garbage'; 33 _assert(imageData.data['foo'] == 'garbage', "imageData.data['foo'] == 'garbage'"); 34 imageData.data[-1]='garbage'; 35 _assert(imageData.data[-1] == undefined, "imageData.data[-1] == undefined"); 36 imageData.data[17]='garbage'; 37 _assert(imageData.data[17] == undefined, "imageData.data[\""+(17)+"\"] == undefined"); 38 t.done(); 39 }); 40 done();