2d.imageData.get.zero.worker.js (1229B)
1 // DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. 2 // OffscreenCanvas test in a worker:2d.imageData.get.zero 3 // Description:getImageData() throws INDEX_SIZE_ERR if size is zero 4 // Note: 5 6 importScripts("/resources/testharness.js"); 7 importScripts("/html/canvas/resources/canvas-tests.js"); 8 9 var t = async_test("getImageData() throws INDEX_SIZE_ERR if size is zero"); 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 assert_throws_dom("INDEX_SIZE_ERR", function() { ctx.getImageData(1, 1, 10, 0); }); 20 assert_throws_dom("INDEX_SIZE_ERR", function() { ctx.getImageData(1, 1, 0, 10); }); 21 assert_throws_dom("INDEX_SIZE_ERR", function() { ctx.getImageData(1, 1, 0, 0); }); 22 assert_throws_dom("INDEX_SIZE_ERR", function() { ctx.getImageData(1, 1, 0.1, 10); }); 23 assert_throws_dom("INDEX_SIZE_ERR", function() { ctx.getImageData(1, 1, 10, 0.99); }); 24 assert_throws_dom("INDEX_SIZE_ERR", function() { ctx.getImageData(1, 1, -0.1, 10); }); 25 assert_throws_dom("INDEX_SIZE_ERR", function() { ctx.getImageData(1, 1, 10, -0.99); }); 26 t.done(); 27 }); 28 done();