fixing bug 4146 - round 2!

src/css.js

@@ -338,25 +338,39 @@ curCSS = getComputedStyle || currentStyle;
 
 function getWH( elem, name, extra ) {
 	var which = name === "width" ? cssWidth : cssHeight,
-		val = name === "width" ? elem.offsetWidth : elem.offsetHeight;
-
-	if ( extra === "border" ) {
-		return val;
+		cur = curCSS(elem, name),
+		// We're addressing the way Firefox handles certain inputs and buttons, offsetWidth/height actually returns a normal width/height
+		ff = /input|button/i.test( elem.tagName.toLowerCase() ) && curCSS( elem, '-moz-box-sizing' ) === 'border-box'; 
+	
+	// IE will return auto if we try to grab a width/height that is not set
+	if( ff || cur === 'auto') {
+		cur = name === "width" ? elem.offsetWidth : elem.offsetHeight;
 	}
-
-	jQuery.each( which, function() {
-		if ( !extra ) {
-			val -= parseFloat(jQuery.css( elem, "padding" + this )) || 0;
-		}
-
-		if ( extra === "margin" ) {
-			val += parseFloat(jQuery.css( elem, "margin" + this )) || 0;
-
-		} else {
-			val -= parseFloat(jQuery.css( elem, "border" + this + "Width" )) || 0;
+	
+	// Fixes an IE7 effects test. "Chain show hide" was returning "scroll" instead of "visible"
+	if( name == "height" ){
+		elem.offsetHeight;
+	}
+	
+	var val = parseFloat(cur) || 0;
+
+	if ( extra ) {
+		for( var i = 0, len = which.length; i < len ; i++ ) {
+			var dir = which[i];
+			// outerWidth/height
+			if ( extra === "border" || extra === 'margin' ) {
+				val += parseFloat(jQuery.css( elem, "border" + dir + "Width" )) || 0;
+				val += parseFloat(jQuery.css( elem, "padding" + dir )) || 0;
+				if( extra == 'margin' ) {
+					val += parseFloat(jQuery.css( elem, "margin" + dir )) || 0;
+				}
+			} 
+			// innerWidth/height
+			else {
+				val += parseFloat(jQuery.css( elem, "padding" + dir )) || 0;
+			}
 		}
-	});
-
+	}
 	return val;
 }
 

test/unit/dimensions.js

@@ -222,3 +222,82 @@ test("outerHeight()", function() {
 	div.remove();
 	jQuery.removeData($div[0], "olddisplay", true);
 });
+
+test('width(), outerWidth(), innerWidth(), height(), outerHeight() and innerHeight() with inputs', function(){
+	expect(47);
+
+	var id = 'input-width-test-group';
+	var input_els = 'submit reset button'.split(' ');
+	var html = '<div id="' + id + '" style="width:100px;">';
+	var style = 'width:35px;height:50px;padding:5px;border:1px solid #000;margin:2px;';
+
+	html += '<div id="nothing-set-div">test</div>';
+	html += '<div id="width-div-1" style="' + style + '">something</div>';
+	html += '<button id="width-button-1" style="' + style + '">button</button>';
+	jQuery.each(input_els, function() {
+		html += '<input class="width-input" type="' + this + '" style="' + style + '" />';
+	});
+	html += '</div>';
+
+	jQuery('#main').append(html);
+
+	equals(jQuery('#nothing-set-div').width(), 100, 'Width of unset div takes on parent');
+
+	jQuery('#width-div-1, #width-button-1, .width-input').each(function(){
+
+		// Test widths
+		var w = jQuery(this).width();
+		var outer_w = jQuery(this).outerWidth();
+		var outer_w_margin = jQuery(this).outerWidth(true);
+		var inner_w = jQuery(this).innerWidth();
+		var t = this.tagName.toLowerCase() + ((this.type) ? '[' + this.type + ']' : '');
+
+		equals(w, 35, 'Make sure width() works for ' + t);
+		equals(outer_w, 47, 'Make sure outerWidth() works for ' + t);
+		equals(outer_w_margin, 51, 'Make sure outerWidth(true) works for ' + t);
+		equals(inner_w, 45, 'Make sure innerWidth() works for ' + t);
+
+		// Test heights
+		var h = jQuery(this).height();
+		var outer_h = jQuery(this).outerHeight();
+		var outer_h_margin = jQuery(this).outerHeight(true);
+		var inner_h = jQuery(this).innerHeight();
+
+		equals(h, 50, 'Make sure height() works for ' + t);
+		equals(outer_h, 62, 'Make sure outerHeight() works for ' + t);
+		equals(outer_h_margin, 66, 'Make sure outerHeight(true) works for ' + t);
+		equals(inner_h, 60, 'Make sure innerHeight() works for ' + t);
+
+	});
+
+	var inputsub = jQuery('.width-input').filter('input[type=submit]');
+
+	inputsub.css({
+		width: 10,
+		padding: 0,
+		margin: '3px',
+		border: '1px solid red',
+		height: 15
+	});
+	
+	var w = inputsub.width();
+	equals(w, 10, 'width() works after setting css using .css()');
+
+	var outer_w = inputsub.outerWidth();
+	equals(outer_w, 12, 'outerWidth() works after setting css using .css()');
+
+	var outer_w_margin = inputsub.outerWidth(true);
+	equals(outer_w_margin, 18, 'outerWidth(true) works after setting css using .css()');
+	
+	var h = inputsub.height();
+	equals(h, 15, 'height() works after setting css using .css()');
+	
+	var outer_h = inputsub.outerHeight();
+	equals(outer_h, 17, 'outerHeight() works after setting css using .css()');
+
+	var outer_h_margin = inputsub.outerHeight(true);
+	equals(outer_h_margin, 23, 'outerHeight(true) works after setting css using .css()');
+	
+	jQuery('#' + id).remove();
+
+});