| // DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. |
| // OffscreenCanvas test in a worker:2d.imageData.get.invalid |
| // Description:Verify getImageData() behavior in invalid cases. |
| // Note: |
| |
| importScripts("/resources/testharness.js"); |
| importScripts("/html/canvas/resources/canvas-tests.js"); |
| |
| var t = async_test("Verify getImageData() behavior in invalid cases."); |
| var t_pass = t.done.bind(t); |
| var t_fail = t.step_func(function(reason) { |
| throw reason; |
| }); |
| t.step(function() { |
| |
| var canvas = new OffscreenCanvas(100, 50); |
| var ctx = canvas.getContext('2d'); |
| |
| 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"); |
| t.done(); |
| }); |
| done(); |