jquery.byteLength: Improve documentation and tests

[lhc/web/wiklou.git] / tests / qunit / suites / resources / jquery / jquery.byteLength.test.js

diff --git a/tests/qunit/suites/resources/jquery/jquery.byteLength.test.js b/tests/qunit/suites/resources/jquery/jquery.byteLength.test.js
index e4e579b..e6aa3aa 100644 (file)
--- a/tests/qunit/suites/resources/jquery/jquery.byteLength.test.js
+++ b/tests/qunit/suites/resources/jquery/jquery.byteLength.test.js
@@ -16,20 +16,22 @@
 
        } );
 
-       QUnit.test( 'Special text', 5, function ( assert ) {
-               // http://en.wikipedia.org/wiki/UTF-8
+       QUnit.test( 'Special text', 4, function ( assert ) {
+               // https://en.wikipedia.org/wiki/UTF-8
                var u0024 = '$',
+                       // Cent symbol
                        u00A2 = '\u00A2',
+                       // Euro symbol
                        u20AC = '\u20AC',
-                       u024B62 = '\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
-                       u024B62alt = '\uD852\uDF62';
+                       // 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: 1 byte. $ (dollar sign)' );
-               assert.strictEqual( $.byteLength( u00A2 ), 2, 'U+00A2: 2 bytes. \u00A2 (cent sign)' );
-               assert.strictEqual( $.byteLength( u20AC ), 3, 'U+20AC: 3 bytes. \u20AC (euro sign)' );
-               assert.strictEqual( $.byteLength( u024B62 ), 4, 'U+024B62: 4 bytes. \uD852\uDF62 (a Han character)' );
-               assert.strictEqual( $.byteLength( u024B62alt ), 4, 'U+024B62: 4 bytes. \uD852\uDF62 (a Han character) - alternative method' );
+               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 ) );