1 files changed, 37 insertions, 0 deletions
diff --git a/tests/qunit/suites/resources/jquery/jquery.byteLength.test.js b/tests/qunit/suites/resources/jquery/jquery.byteLength.test.js
new file mode 100644
index 00000000..e6aa3aa8
--- /dev/null
+++ b/tests/qunit/suites/resources/jquery/jquery.byteLength.test.js
@@ -0,0 +1,37 @@
+( 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 ) );