1 files changed, 57 insertions, 0 deletions
diff --git a/tests/qunit/suites/resources/jquery/jquery.mwExtension.test.js b/tests/qunit/suites/resources/jquery/jquery.mwExtension.test.js
new file mode 100644
index 00000000..7571b929
--- /dev/null
+++ b/tests/qunit/suites/resources/jquery/jquery.mwExtension.test.js
@@ -0,0 +1,57 @@
+( function ( $ ) {
+	QUnit.module( 'jquery.mwExtension', QUnit.newMwEnvironment() );
+
+	QUnit.test( 'String functions', 7, function ( assert ) {
+		assert.equal( $.trimLeft( '  foo bar  ' ), 'foo bar  ', 'trimLeft' );
+		assert.equal( $.trimRight( '  foo bar  ' ), '  foo bar', 'trimRight' );
+		assert.equal( $.ucFirst( 'foo' ), 'Foo', 'ucFirst' );
+
+		assert.equal( $.escapeRE( '<!-- ([{+mW+}]) $^|?>' ),
+			'<!\\-\\- \\(\\[\\{\\+mW\\+\\}\\]\\) \\$\\^\\|\\?>', 'escapeRE - Escape specials' );
+		assert.equal( $.escapeRE( 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' ),
+			'ABCDEFGHIJKLMNOPQRSTUVWXYZ', 'escapeRE - Leave uppercase alone' );
+		assert.equal( $.escapeRE( 'abcdefghijklmnopqrstuvwxyz' ),
+			'abcdefghijklmnopqrstuvwxyz', 'escapeRE - Leave lowercase alone' );
+		assert.equal( $.escapeRE( '0123456789' ), '0123456789', 'escapeRE - Leave numbers alone' );
+	} );
+
+	QUnit.test( 'Is functions', 15, function ( assert ) {
+		assert.strictEqual( $.isDomElement( document.getElementById( 'qunit-header' ) ), true,
+			'isDomElement: #qunit-header Node' );
+		assert.strictEqual( $.isDomElement( document.getElementById( 'random-name' ) ), false,
+			'isDomElement: #random-name (null)' );
+		assert.strictEqual( $.isDomElement( document.getElementsByTagName( 'div' ) ), false,
+			'isDomElement: getElementsByTagName Array' );
+		assert.strictEqual( $.isDomElement( document.getElementsByTagName( 'div' )[0] ), true,
+			'isDomElement: getElementsByTagName(..)[0] Node' );
+		assert.strictEqual( $.isDomElement( $( 'div' ) ), false,
+			'isDomElement: jQuery object' );
+		assert.strictEqual( $.isDomElement( $( 'div' ).get( 0 ) ), true,
+			'isDomElement: jQuery object > Get node' );
+		assert.strictEqual( $.isDomElement( document.createElement( 'div' ) ), true,
+			'isDomElement: createElement' );
+		assert.strictEqual( $.isDomElement( { foo: 1 } ), false,
+			'isDomElement: Object' );
+
+		assert.strictEqual( $.isEmpty( 'string' ), false, 'isEmpty: "string"' );
+		assert.strictEqual( $.isEmpty( '0' ), true, 'isEmpty: "0"' );
+		assert.strictEqual( $.isEmpty( '' ), true, 'isEmpty: ""' );
+		assert.strictEqual( $.isEmpty( 1 ), false, 'isEmpty: 1' );
+		assert.strictEqual( $.isEmpty( [] ), true, 'isEmpty: []' );
+		assert.strictEqual( $.isEmpty( {} ), true, 'isEmpty: {}' );
+
+		// Documented behavior
+		assert.strictEqual( $.isEmpty( { length: 0 } ), true, 'isEmpty: { length: 0 }' );
+	} );
+
+	QUnit.test( 'Comparison functions', 5, function ( assert ) {
+		assert.ok( $.compareArray( [0, 'a', [], [2, 'b'] ], [0, 'a', [], [2, 'b'] ] ),
+			'compareArray: Two deep arrays that are excactly the same' );
+		assert.ok( !$.compareArray( [1], [2] ), 'compareArray: Two different arrays (false)' );
+
+		assert.ok( $.compareObject( {}, {} ), 'compareObject: Two empty objects' );
+		assert.ok( $.compareObject( { foo: 1 }, { foo: 1 } ), 'compareObject: Two the same objects' );
+		assert.ok( !$.compareObject( { bar: true }, { baz: false } ),
+			'compareObject: Two different objects (false)' );
+	} );
+}( jQuery ) );