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diff --git a/tests/qunit/suites/resources/mediawiki/mediawiki.jscompat.test.js b/tests/qunit/suites/resources/mediawiki/mediawiki.jscompat.test.js
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+/**
+ * Some misc JavaScript compatibility tests,
+ * just to make sure the environments we run in are consistent.
+ */
+( function ( $ ) {
+ QUnit.module( 'mediawiki.jscompat', QUnit.newMwEnvironment() );
+
+ QUnit.test( 'Variable with Unicode letter in name', 3, function ( assert ) {
+ var orig, ŝablono;
+
+ orig = 'some token';
+ ŝablono = orig;
+
+ assert.deepEqual( ŝablono, orig, 'ŝablono' );
+ assert.deepEqual( \u015dablono, orig, '\\u015dablono' );
+ assert.deepEqual( \u015Dablono, orig, '\\u015Dablono' );
+ } );
+
+ /*
+ // Not that we need this. ;)
+ // This fails on IE 6-8
+ // Works on IE 9, Firefox 6, Chrome 14
+ QUnit.test( 'Keyword workaround: "if" as variable name using Unicode escapes', function ( assert ) {
+ var orig = "another token";
+ \u0069\u0066 = orig;
+ assert.deepEqual( \u0069\u0066, orig, '\\u0069\\u0066' );
+ });
+ */
+
+ /*
+ // Not that we need this. ;)
+ // This fails on IE 6-9
+ // Works on Firefox 6, Chrome 14
+ QUnit.test( 'Keyword workaround: "if" as member variable name using Unicode escapes', function ( assert ) {
+ var orig = "another token";
+ var foo = {};
+ foo.\u0069\u0066 = orig;
+ assert.deepEqual( foo.\u0069\u0066, orig, 'foo.\\u0069\\u0066' );
+ });
+ */
+
+ QUnit.test( 'Stripping of single initial newline from textarea\'s literal contents (bug 12130)', function ( assert ) {
+ var maxn, n,
+ expected, $textarea;
+
+ maxn = 4;
+ QUnit.expect( maxn * 2 );
+
+ function repeat( str, n ) {
+ var out;
+ if ( n <= 0 ) {
+ return '';
+ } else {
+ out = [];
+ out.length = n + 1;
+ return out.join( str );
+ }
+ }
+
+ for ( n = 0; n < maxn; n++ ) {
+ expected = repeat( '\n', n ) + 'some text';
+
+ $textarea = $( '<textarea>\n' + expected + '</textarea>' );
+ assert.equal( $textarea.val(), expected, 'Expecting ' + n + ' newlines (HTML contained ' + (n + 1) + ')' );
+
+ $textarea = $( '<textarea>' ).val( expected );
+ assert.equal( $textarea.val(), expected, 'Expecting ' + n + ' newlines (from DOM set with ' + n + ')' );
+ }
+ } );
+}( jQuery ) );