tests_gui_generic.test.js
import {canCreateCanvas} from '../../src/gui/generic';
/**
* Tests for the 'gui/generic.js' file.
*/
/** @module tests/gui */
/* global QUnit */
QUnit.module('gui');
/**
* Tests for {@link canCreateCanvas}.
*
* @function module:tests/gui~canCreateCanvas
*/
QUnit.test('canCreateCanvas', function (assert) {
assert.equal(canCreateCanvas(1, 1), true,
'Can create 1*1 canvas');
assert.equal(canCreateCanvas(512, 512), true,
'Can create 512*512 canvas');
assert.equal(canCreateCanvas(1024, 1024), true,
'Can create 1024*1024 canvas');
// safari iOS (9-12) limit: 4096^2
assert.equal(canCreateCanvas(4097, 4097), true,
'Can create 4096*4096 canvas');
// firefox 88 limit: 11180^2
// assert.equal(canCreateCanvas(11181, 11181), true,
// 'Can create 11181*11181 canvas');
// limit for most browsers (06/2021): 16384^2
assert.equal(canCreateCanvas(16385, 16385), false,
'Cannot create 16385*16385 canvas');
});