QUnit test case to confirm consistent browser behavior with initial newlines inside...

[lhc/web/wiklou.git] / tests / qunit / suites / resources / mediawiki / mediawiki.jscompat.test.js

diff --git a/tests/qunit/suites/resources/mediawiki/mediawiki.jscompat.test.js b/tests/qunit/suites/resources/mediawiki/mediawiki.jscompat.test.js
index 52cd32c..adaf5f9 100644 (file)
--- a/tests/qunit/suites/resources/mediawiki/mediawiki.jscompat.test.js
+++ b/tests/qunit/suites/resources/mediawiki/mediawiki.jscompat.test.js
@@ -33,3 +33,30 @@ test( 'Keyword workaround: "if" as member variable name using Unicode escapes',
        deepEqual( foo.\u0069\u0066, orig, 'foo.\\u0069\\u0066' );
 });
 */
+
+test( 'Stripping of single initial newline from textarea\'s literal contents (bug 12130)', function() {
+       var maxn = 4;
+       expect(maxn * 2);
+
+       var repeat = function(str, n) {
+               if (n <= 0) {
+                       return '';
+               } else {
+                       var out = Array(n);
+                       for (var i = 0; i < n; i++) {
+                               out[i] = str;
+                       }
+                       return out.join('');
+               }
+       };
+
+       for (var n = 0; n < maxn; n++) {
+               var expected = repeat('\n', n) + 'some text';
+
+               var $textarea = $('<textarea>\n' + expected + '</textarea>');
+               equal($textarea.val(), expected, 'Expecting ' + n + ' newlines (HTML contained ' + (n + 1) + ')');
+
+               var $textarea2 = $('<textarea>').val(expected);
+               equal($textarea2.val(), expected, 'Expecting ' + n + ' newlines (from DOM set with ' + n + ')');
+       }
+});