1 files changed, 9 insertions, 0 deletions
diff --git a/test/unit/effects.js b/test/unit/effects.js
index e478cdf63..25c9834e4 100644
--- a/test/unit/effects.js
+++ b/test/unit/effects.js
@@ -263,6 +263,15 @@ test("animate negative height", function() {
 	});
 });
 
+test("animate negative margin", function() {
+	expect(1);
+	stop();
+	jQuery("#foo").animate({ marginTop: -100 }, 100, function() {
+		equal( jQuery(this).css("marginTop"), "-100px", "Verify margin." );
+		start();
+	});
+});
+
 test("animate negative padding", function() {
 	expect(1);
 	stop();