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( function ( $ ) {
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( $.byteLength( space ), 3, '3 spaces' );
} );
QUnit.test( 'Special text', 4, function ( assert ) {
// https://en.wikipedia.org/wiki/UTF-8
var u0024 = '$',
// Cent symbol
u00A2 = '\u00A2',
// Euro symbol
u20AC = '\u20AC',
// Character \U00024B62 (Han script) can't be represented in javascript as a single
// code point, instead it is composed as a surrogate pair of two separate code units.
// http://codepoints.net/U+24B62
// http://www.fileformat.info/info/unicode/char/24B62/index.htm
u024B62 = '\uD852\uDF62';
assert.strictEqual( $.byteLength( u0024 ), 1, 'U+0024' );
assert.strictEqual( $.byteLength( u00A2 ), 2, 'U+00A2' );
assert.strictEqual( $.byteLength( u20AC ), 3, 'U+20AC' );
assert.strictEqual( $.byteLength( u024B62 ), 4, 'U+024B62 (surrogate pair: \\uD852\\uDF62)' );
} );
}( jQuery ) );
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