2d.imageData.get.double.html (1120B)
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>OffscreenCanvas test: 2d.imageData.get.double</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 9 <h1>2d.imageData.get.double</h1> 10 <p class="desc">createImageData(w, h) double is converted to long</p> 11 12 13 <script> 14 var t = async_test("createImageData(w, h) double is converted to long"); 15 var t_pass = t.done.bind(t); 16 var t_fail = t.step_func(function(reason) { 17 throw reason; 18 }); 19 t.step(function() { 20 21 var canvas = new OffscreenCanvas(100, 50); 22 var ctx = canvas.getContext('2d'); 23 24 var imgdata1 = ctx.getImageData(0, 0, 10.01, 10.99); 25 var imgdata2 = ctx.getImageData(0, 0, -10.01, -10.99); 26 _assertSame(imgdata1.width, 10, "imgdata1.width", "10"); 27 _assertSame(imgdata1.height, 10, "imgdata1.height", "10"); 28 _assertSame(imgdata2.width, 10, "imgdata2.width", "10"); 29 _assertSame(imgdata2.height, 10, "imgdata2.height", "10"); 30 t.done(); 31 32 }); 33 </script>