QUnit.module( 'jquery.byteLength', QUnit.newMwEnvironment() ); QUnit.test( 'Simple text', 5, function ( assert ) { var azLc = 'abcdefghijklmnopqrstuvwxyz', azUc = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ', num = '0123456789', x = '*', space = ' '; assert.equal( $.byteLength( azLc ), 26, 'Lowercase a-z' ); assert.equal( $.byteLength( azUc ), 26, 'Uppercase A-Z' ); assert.equal( $.byteLength( num ), 10, 'Numbers 0-9' ); assert.equal( $.byteLength( x ), 1, 'An asterisk' ); assert.equal( $.byteLength( space ), 3, '3 spaces' ); } ); QUnit.test( 'Special text', 5, function ( assert ) { // http://en.wikipedia.org/wiki/UTF-8 var U_0024 = '$', U_00A2 = '\u00A2', U_20AC = '\u20AC', U_024B62 = '\u024B62', // The normal one doesn't display properly, try the below which is the same // according to http://www.fileformat.info/info/unicode/char/24B62/index.htm U_024B62_alt = '\uD852\uDF62'; assert.strictEqual( $.byteLength( U_0024 ), 1, 'U+0024: 1 byte. $ (dollar sign)' ); assert.strictEqual( $.byteLength( U_00A2 ), 2, 'U+00A2: 2 bytes. \u00A2 (cent sign)' ); assert.strictEqual( $.byteLength( U_20AC ), 3, 'U+20AC: 3 bytes. \u20AC (euro sign)' ); assert.strictEqual( $.byteLength( U_024B62 ), 4, 'U+024B62: 4 bytes. \uD852\uDF62 (a Han character)' ); assert.strictEqual( $.byteLength( U_024B62_alt ), 4, 'U+024B62: 4 bytes. \uD852\uDF62 (a Han character) - alternative method' ); } );