Update $.fn.animate to change display mode only when necessary (inline, non-floated elements), and to use a more proper display mode for those elements. Fixes #2185.

4 files changed, 79 insertions, 4 deletions

diff --git a/test/data/testsuite.css b/test/data/testsuite.css
index 184689209..cffaaa46a 100644
--- a/test/data/testsuite.css
+++ b/test/data/testsuite.css
@@ -102,6 +102,8 @@ div.chain.test div { background: green; }
 div.chain.out { background: green; }
 div.chain.out div { background: red; display: none; }
 
+/* tests to ensure jQuery can determine the native display mode of elements
+   that have been set as display: none in stylesheets */
 div#show-tests * { display: none; }
 
 #nothiddendiv { font-size: 16px; }
diff --git a/test/index.html b/test/index.html
index d858114b1..262bd9a92 100644
--- a/test/index.html
+++ b/test/index.html
@@ -55,8 +55,8 @@
 	</div>
 	<!-- this iframe is outside the #main so it won't reload constantly wasting time, but it means the tests must be "safe" and clean up after themselves -->
 	<iframe id="loadediframe" name="loadediframe" style="display:none;" src="data/iframe.html"></iframe>
-	<dl id="dl" style="display:none;">
-	<div id="main" style="display: none;">
+	<dl id="dl" style="position:absolute;top:-32767px;left:-32767px;">
+	<div id="main">
 		<p id="firstp">See <a id="simon1" href="http://simon.incutio.com/archive/2003/03/25/#getElementsBySelector" rel="bookmark">this blog entry</a> for more information.</p>
 		<p id="ap">
 			Here are some links in a normal paragraph: <a id="google" href="http://www.google.com/" title="Google!">Google</a>, 
diff --git a/test/unit/css.js b/test/unit/css.js
index cfffb7832..02a7b084c 100644
--- a/test/unit/css.js
+++ b/test/unit/css.js
@@ -3,7 +3,7 @@ module("css");
 test("css(String|Hash)", function() {
 	expect(29);
 
-	equals( jQuery('#main').css("display"), 'none', 'Check for css property "display"');
+	equals( jQuery('#main').css("display"), 'block', 'Check for css property "display"');
 
 	ok( jQuery('#nothiddendiv').is(':visible'), 'Modifying CSS display: Assert element is visible');
 	jQuery('#nothiddendiv').css({display: 'none'});
diff --git a/test/unit/effects.js b/test/unit/effects.js
index b9d5c8841..284eec3f8 100644
--- a/test/unit/effects.js
+++ b/test/unit/effects.js
@@ -1,5 +1,10 @@
 module("effects");
 
+test("sanity check", function() {
+	expect(1);
+	ok( jQuery("#dl:visible, #main:visible, #foo:visible").length === 3, "QUnit state is correct for testing effects" );
+});
+
 test("show()", function() {
 	expect(23);
 	var pass = true, div = jQuery("#main div");
@@ -87,7 +92,10 @@ test("show(Number) - other displays", function() {
 	};
 
 	jQuery.each(test, function(selector, expected) {
-		var elem = jQuery(selector, "#show-tests").show(1, function() {
+		// IE sometimes has issues with chained functions referencing
+		// assignments from outside the closure
+		var elem = jQuery(selector, "#show-tests");
+		elem.show(1, function() {
 			equals( elem.css("display"), expected, "Show using correct display type for " + selector );
 			if ( ++num === 15 ) {
 				start();
@@ -116,6 +124,71 @@ test("animate negative height", function() {
 	});
 });
 
+test("animate inline width/height", function() {
+	expect(3);
+	stop();
+	jQuery("#foo").css({ display: "inline", width: '', height: '' }).animate({ width: 42, height: 42 }, 100, function() {
+		equals( jQuery(this).css("display"), jQuery.support.inlineBlockNeedsLayout ? "inline" : "inline-block", "inline-block was set on non-floated inline element when animating width/height" );
+		equals( this.offsetWidth, 42, "width was animated" );
+		equals( this.offsetHeight, 42, "height was animated" );
+		start();
+	});
+});
+
+test("animate block width/height", function() {
+	expect(3);
+	stop();
+	jQuery("#foo").css({ display: "block", width: 20, height: 20 }).animate({ width: 42, height: 42 }, 100, function() {
+		equals( jQuery(this).css("display"), "block", "inline-block was not set on block element when animating width/height" );
+		equals( this.offsetWidth, 42, "width was animated" );
+		equals( this.offsetHeight, 42, "height was animated" );
+		start();
+	});
+});
+
+test("animate table width/height", function() {
+	expect(1);
+	stop();
+
+	var displayMode = jQuery("#table").css("display") !== "table" ? "block" : "table";
+
+	jQuery("#table").animate({ width: 42, height: 42 }, 100, function() {
+		equals( jQuery(this).css("display"), displayMode, "display mode is correct" );
+		start();
+	});
+});
+
+test("animate table-cell width/height", function() {
+	expect(3);
+	stop();
+	var td = jQuery("#table")
+		.attr({ "cellspacing": 0, "cellpadding": 0, "border": 0 })
+		.append("<tr><td style='width:42px;height:42px;padding:0;'><div style='width:20px;height:20px;'></div></td></tr>")
+		.find("td");
+
+	// IE<8 uses “block” instead of the correct display type
+	var displayMode = td.css("display") !== "table-cell" ? "block" : "table-cell";
+
+	td.animate({ width: 10, height: 10 }, 100, function() {
+		equals( jQuery(this).css("display"), displayMode, "display mode is correct" );
+		equals( this.offsetWidth, 20, "width animated to shrink wrap point" );
+		equals( this.offsetHeight, 20, "height animated to shrink wrap point" );
+		start();
+	});
+});
+
+test("animate resets overflow-x and overflow-y when finished", function() {
+	expect(2);
+	stop();
+	jQuery("#foo")
+		.css({ display: "block", width: 20, height: 20, overflowX: "visible", overflowY: "auto" })
+		.animate({ width: 42, height: 42 }, 100, function() {
+			equals( this.style.overflowX, "visible", "overflow-x is visible" );
+			equals( this.style.overflowY, "auto", "overflow-y is auto" );
+			start();
+		});
+});
+
 /* // This test ends up being flaky depending upon the CPU load
 test("animate option (queue === false)", function () {
 	expect(1);