jquery/test/unit/dimensions.js

if ( jQuery.fn.width ) {

module("dimensions", { teardown: moduleTeardown });

function pass( val ) {
	return val;
}

function fn( val ) {
	return function(){ return val; };
}

/*
	======== local reference =======
	pass and fn can be used to test passing functions to setters
	See testWidth below for an example

	pass( value );
		This function returns whatever value is passed in

	fn( value );
		Returns a function that returns the value
*/

function testWidth( val ) {
	expect(9);

	var $div = jQuery("#nothiddendiv");
	$div.width( val(30) );
	equal($div.width(), 30, "Test set to 30 correctly");
	$div.hide();
	equal($div.width(), 30, "Test hidden div");
	$div.show();
	$div.width( val(-1) ); // handle negative numbers by setting to 0 #11604
	equal($div.width(), 0, "Test negative width normalized to 0");
	$div.css("padding", "20px");
	equal($div.width(), 0, "Test padding specified with pixels");
	$div.css("border", "2px solid #fff");
	equal($div.width(), 0, "Test border specified with pixels");

	$div.css({ display: "", border: "", padding: "" });

	jQuery("#nothiddendivchild").css({ width: 20, padding: "3px", border: "2px solid #fff" });
	equal(jQuery("#nothiddendivchild").width(), 20, "Test child width with border and padding");
	jQuery("#nothiddendiv, #nothiddendivchild").css({ border: "", padding: "", width: "" });

	var blah = jQuery("blah");
	equal( blah.width( val(10) ), blah, "Make sure that setting a width on an empty set returns the set." );
	equal( blah.width(), null, "Make sure 'null' is returned on an empty set");

	equal( jQuery(window).width(), document.documentElement.clientWidth, "Window width is equal to width reported by window/document." );

	jQuery.removeData($div[0], "olddisplay", true);
}

test("width()", function() {
	testWidth( pass );
});

test("width(Function)", function() {
	testWidth( fn );
});

test("width(Function(args))", function() {
	expect( 2 );

	var $div = jQuery("#nothiddendiv");
	$div.width( 30 ).width(function(i, width) {
		equal( width, 30, "Make sure previous value is corrrect." );
		return width + 1;
	});

	equal( $div.width(), 31, "Make sure value was modified correctly." );
});

function testHeight( val ) {
	expect(9);

	var $div = jQuery("#nothiddendiv");
	$div.height( val(30) );
	equal($div.height(), 30, "Test set to 30 correctly");
	$div.hide();
	equal($div.height(), 30, "Test hidden div");
	$div.show();
	$div.height( val(-1) ); // handle negative numbers by setting to 0 #11604
	equal($div.height(), 0, "Test negative height normalized to 0");
	$div.css("padding", "20px");
	equal($div.height(), 0, "Test padding specified with pixels");
	$div.css("border", "2px solid #fff");
	equal($div.height(), 0, "Test border specified with pixels");

	$div.css({ display: "", border: "", padding: "", height: "1px" });

	jQuery("#nothiddendivchild").css({ height: 20, padding: "3px", border: "2px solid #fff" });
	equal(jQuery("#nothiddendivchild").height(), 20, "Test child height with border and padding");
	jQuery("#nothiddendiv, #nothiddendivchild").css({ border: "", padding: "", height: "" });

	var blah = jQuery("blah");
	equal( blah.height( val(10) ), blah, "Make sure that setting a height on an empty set returns the set." );
	equal( blah.height(), null, "Make sure 'null' is returned on an empty set");

	equal( jQuery(window).height(), document.documentElement.clientHeight, "Window width is equal to width reported by window/document." );

	jQuery.removeData($div[0], "olddisplay", true);
}

test("height()", function() {
	testHeight( pass );
});

test("height(Function)", function() {
	testHeight( fn );
});

test("height(Function(args))", function() {
	expect( 2 );

	var $div = jQuery("#nothiddendiv");
	$div.height( 30 ).height(function(i, height) {
		equal( height, 30, "Make sure previous value is corrrect." );
		return height + 1;
	});

	equal( $div.height(), 31, "Make sure value was modified correctly." );
});

test("innerWidth()", function() {
	expect(6);

	var winWidth = jQuery( window ).width(),
		docWidth = jQuery( document ).width();

	equal(jQuery(window).innerWidth(), winWidth, "Test on window");
	equal(jQuery(document).innerWidth(), docWidth, "Test on document");

	var $div = jQuery("#nothiddendiv");
	// set styles
	$div.css({
		margin: 10,
		border: "2px solid #fff",
		width: 30
	});

	equal($div.innerWidth(), 30, "Test with margin and border");
	$div.css("padding", "20px");
	equal($div.innerWidth(), 70, "Test with margin, border and padding");
	$div.hide();
	equal($div.innerWidth(), 70, "Test hidden div");

	// reset styles
	$div.css({ display: "", border: "", padding: "", width: "", height: "" });

	var div = jQuery( "<div>" );

	// Temporarily require 0 for backwards compat - should be auto
	equal( div.innerWidth(), 0, "Make sure that disconnected nodes are handled." );

	div.remove();
	jQuery.removeData($div[0], "olddisplay", true);
});

test("innerHeight()", function() {
	expect(6);

	var winHeight = jQuery( window ).height(),
		docHeight = jQuery( document ).height();

	equal(jQuery(window).innerHeight(), winHeight, "Test on window");
	equal(jQuery(document).innerHeight(), docHeight, "Test on document");

	var $div = jQuery("#nothiddendiv");
	// set styles
	$div.css({
		margin: 10,
		border: "2px solid #fff",
		height: 30
	});

	equal($div.innerHeight(), 30, "Test with margin and border");
	$div.css("padding", "20px");
	equal($div.innerHeight(), 70, "Test with margin, border and padding");
	$div.hide();
	equal($div.innerHeight(), 70, "Test hidden div");

	// reset styles
	$div.css({ display: "", border: "", padding: "", width: "", height: "" });

	var div = jQuery( "<div>" );

	// Temporarily require 0 for backwards compat - should be auto
	equal( div.innerHeight(), 0, "Make sure that disconnected nodes are handled." );

	div.remove();
	jQuery.removeData($div[0], "olddisplay", true);
});

test("outerWidth()", function() {
	expect(11);

	var winWidth = jQuery( window ).width(),
		docWidth = jQuery( document ).width();

	equal( jQuery( window ).outerWidth(), winWidth, "Test on window without margin option" );
	equal( jQuery( window ).outerWidth( true ), winWidth, "Test on window with margin option" );
	equal( jQuery( document ).outerWidth(), docWidth, "Test on document without margin option" );
	equal( jQuery( document ).outerWidth( true ), docWidth, "Test on document with margin option" );

	var $div = jQuery("#nothiddendiv");
	$div.css("width", 30);

	equal($div.outerWidth(), 30, "Test with only width set");
	$div.css("padding", "20px");
	equal($div.outerWidth(), 70, "Test with padding");
	$div.css("border", "2px solid #fff");
	equal($div.outerWidth(), 74, "Test with padding and border");
	$div.css("margin", "10px");
	equal($div.outerWidth(), 74, "Test with padding, border and margin without margin option");
	$div.css("position", "absolute");
	equal($div.outerWidth(true), 94, "Test with padding, border and margin with margin option");
	$div.hide();
	equal($div.outerWidth(true), 94, "Test hidden div with padding, border and margin with margin option");

	// reset styles
	$div.css({ position: "", display: "", border: "", padding: "", width: "", height: "" });

	var div = jQuery( "<div>" );

	// Temporarily require 0 for backwards compat - should be auto
	equal( div.outerWidth(), 0, "Make sure that disconnected nodes are handled." );

	div.remove();
	jQuery.removeData($div[0], "olddisplay", true);
});

test("child of a hidden elem (or unconnected node) has accurate inner/outer/Width()/Height()  see #9441 #9300", function() {
	expect(16);

	// setup html
	var $divNormal = jQuery("<div>").css({ width: "100px", height: "100px", border: "10px solid white", padding: "2px", margin: "3px" }),
		$divChild = $divNormal.clone(),
		$divUnconnected = $divNormal.clone(),
		$divHiddenParent = jQuery("<div>").css( "display", "none" ).append( $divChild ).appendTo("body");
	$divNormal.appendTo("body");

	// tests that child div of a hidden div works the same as a normal div
	equal( $divChild.width(), $divNormal.width(), "child of a hidden element width() is wrong see #9441" );
	equal( $divChild.innerWidth(), $divNormal.innerWidth(), "child of a hidden element innerWidth() is wrong see #9441" );
	equal( $divChild.outerWidth(), $divNormal.outerWidth(), "child of a hidden element outerWidth() is wrong see #9441" );
	equal( $divChild.outerWidth(true), $divNormal.outerWidth( true ), "child of a hidden element outerWidth( true ) is wrong see #9300" );

	equal( $divChild.height(), $divNormal.height(), "child of a hidden element height() is wrong see #9441" );
	equal( $divChild.innerHeight(), $divNormal.innerHeight(), "child of a hidden element innerHeight() is wrong see #9441" );
	equal( $divChild.outerHeight(), $divNormal.outerHeight(), "child of a hidden element outerHeight() is wrong see #9441" );
	equal( $divChild.outerHeight(true), $divNormal.outerHeight( true ), "child of a hidden element outerHeight( true ) is wrong see #9300" );

	// tests that child div of an unconnected div works the same as a normal div
	equal( $divUnconnected.width(), $divNormal.width(), "unconnected element width() is wrong see #9441" );
	equal( $divUnconnected.innerWidth(), $divNormal.innerWidth(), "unconnected element innerWidth() is wrong see #9441" );
	equal( $divUnconnected.outerWidth(), $divNormal.outerWidth(), "unconnected element outerWidth() is wrong see #9441" );
	equal( $divUnconnected.outerWidth(true), $divNormal.outerWidth( true ), "unconnected element outerWidth( true ) is wrong see #9300" );

	equal( $divUnconnected.height(), $divNormal.height(), "unconnected element height() is wrong see #9441" );
	equal( $divUnconnected.innerHeight(), $divNormal.innerHeight(), "unconnected element innerHeight() is wrong see #9441" );
	equal( $divUnconnected.outerHeight(), $divNormal.outerHeight(), "unconnected element outerHeight() is wrong see #9441" );
	equal( $divUnconnected.outerHeight(true), $divNormal.outerHeight( true ), "unconnected element outerHeight( true ) is wrong see #9300" );

	// teardown html
	$divHiddenParent.remove();
	$divNormal.remove();
});

test("getting dimensions shouldnt modify runtimeStyle see #9233", function() {
	expect( 1 );

	var $div = jQuery( "<div>" ).appendTo( "#qunit-fixture" ),
		div = $div.get( 0 ),
		runtimeStyle = div.runtimeStyle;

	if ( runtimeStyle ) {
		div.runtimeStyle.marginLeft = "12em";
		div.runtimeStyle.left = "11em";
	}

	$div.outerWidth( true );

	if ( runtimeStyle ) {
		equal( div.runtimeStyle.left, "11em", "getting dimensions modifies runtimeStyle, see #9233" );
	} else {
		ok( true, "this browser doesnt support runtimeStyle, see #9233" );
	}

	$div.remove();
});

test("outerWidth(true) returning % instead of px in Webkit, see #10639", function() {
	var container = jQuery( "<div/>" ).width(400).appendTo( "#qunit-fixture" ),
		el = jQuery( "<div/>" ).css({ width: "50%", marginRight: "50%" }).appendTo( container );

	equal( el.outerWidth(true), 400, "outerWidth(true) and css('margin') returning % instead of px in Webkit, see #10639" );
});

test( "getting dimensions of zero width/height table elements shouldn't alter dimensions", function() {
	expect( 1 );

	var table = jQuery("<table><tbody><tr><td></td><td>a</td></tr><tr><td></td><td>a</td></tr></tbody></table>").appendTo("#qunit-fixture"),
		elem = table.find("tr:eq(0) td:eq(0)");

	table.find("td").css({ margin: 0, padding: 0 });
	equal( elem.width(), elem.width(), "width() doesn't alter dimension values" );
});

test("box-sizing:border-box child of a hidden elem (or unconnected node) has accurate inner/outer/Width()/Height()  see #10413", function() {
	expect(16);

	// setup html
	var $divNormal = jQuery("<div>").css({ boxSizing: "border-box", width: "100px", height: "100px", border: "10px solid white", padding: "2px", margin: "3px" }),
		$divChild = $divNormal.clone(),
		$divUnconnected = $divNormal.clone(),
		$divHiddenParent = jQuery("<div>").css( "display", "none" ).append( $divChild ).appendTo("body");
	$divNormal.appendTo("body");

	// tests that child div of a hidden div works the same as a normal div
	equal( $divChild.width(), $divNormal.width(), "child of a hidden element width() is wrong see #10413" );
	equal( $divChild.innerWidth(), $divNormal.innerWidth(), "child of a hidden element innerWidth() is wrong see #10413" );
	equal( $divChild.outerWidth(), $divNormal.outerWidth(), "child of a hidden element outerWidth() is wrong see #10413" );
	equal( $divChild.outerWidth(true), $divNormal.outerWidth( true ), "child of a hidden element outerWidth( true ) is wrong see #10413" );

	equal( $divChild.height(), $divNormal.height(), "child of a hidden element height() is wrong see #10413" );
	equal( $divChild.innerHeight(), $divNormal.innerHeight(), "child of a hidden element innerHeight() is wrong see #10413" );
	equal( $divChild.outerHeight(), $divNormal.outerHeight(), "child of a hidden element outerHeight() is wrong see #10413" );
	equal( $divChild.outerHeight(true), $divNormal.outerHeight( true ), "child of a hidden element outerHeight( true ) is wrong see #10413" );

	// tests that child div of an unconnected div works the same as a normal div
	equal( $divUnconnected.width(), $divNormal.width(), "unconnected element width() is wrong see #10413" );
	equal( $divUnconnected.innerWidth(), $divNormal.innerWidth(), "unconnected element innerWidth() is wrong see #10413" );
	equal( $divUnconnected.outerWidth(), $divNormal.outerWidth(), "unconnected element outerWidth() is wrong see #10413" );
	equal( $divUnconnected.outerWidth(true), $divNormal.outerWidth( true ), "unconnected element outerWidth( true ) is wrong see #10413" );

	equal( $divUnconnected.height(), $divNormal.height(), "unconnected element height() is wrong see #10413" );
	equal( $divUnconnected.innerHeight(), $divNormal.innerHeight(), "unconnected element innerHeight() is wrong see #10413" );
	equal( $divUnconnected.outerHeight(), $divNormal.outerHeight(), "unconnected element outerHeight() is wrong see #10413" );
	equal( $divUnconnected.outerHeight(true), $divNormal.outerHeight( true ), "unconnected element outerHeight( true ) is wrong see #10413" );

	// teardown html
	$divHiddenParent.remove();
	$divNormal.remove();
});

test("outerHeight()", function() {
	expect(11);

	var winHeight = jQuery( window ).height(),
		docHeight = jQuery( document ).height();


	equal( jQuery( window ).outerHeight(), winHeight, "Test on window without margin option" );
	equal( jQuery( window ).outerHeight( true ), winHeight, "Test on window with margin option" );
	equal( jQuery( document ).outerHeight(), docHeight, "Test on document without margin option" );
	equal( jQuery( document ).outerHeight( true ), docHeight, "Test on document with margin option" );

	var $div = jQuery("#nothiddendiv");
	$div.css("height", 30);

	equal($div.outerHeight(), 30, "Test with only width set");
	$div.css("padding", "20px");
	equal($div.outerHeight(), 70, "Test with padding");
	$div.css("border", "2px solid #fff");
	equal($div.outerHeight(), 74, "Test with padding and border");
	$div.css("margin", "10px");
	equal($div.outerHeight(), 74, "Test with padding, border and margin without margin option");
	equal($div.outerHeight(true), 94, "Test with padding, border and margin with margin option");
	$div.hide();
	equal($div.outerHeight(true), 94, "Test hidden div with padding, border and margin with margin option");

	// reset styles
	$div.css({ display: "", border: "", padding: "", width: "", height: "" });

	var div = jQuery( "<div>" );

	// Temporarily require 0 for backwards compat - should be auto
	equal( div.outerHeight(), 0, "Make sure that disconnected nodes are handled." );

	div.remove();
	jQuery.removeData($div[0], "olddisplay", true);
});

test("passing undefined is a setter #5571", function() {
	expect(4);
	equal(jQuery("#nothiddendiv").height(30).height(undefined).height(), 30, ".height(undefined) is chainable (#5571)");
	equal(jQuery("#nothiddendiv").height(30).innerHeight(undefined).height(), 30, ".innerHeight(undefined) is chainable (#5571)");
	equal(jQuery("#nothiddendiv").height(30).outerHeight(undefined).height(), 30, ".outerHeight(undefined) is chainable (#5571)");
	equal(jQuery("#nothiddendiv").width(30).width(undefined).width(), 30, ".width(undefined) is chainable (#5571)");
});

test("setters with and without box-sizing:border-box", function(){
	expect(20);

	var el_bb = jQuery("<div style='width:114px;height:114px;margin:5px;padding:3px;border:4px solid white;-moz-box-sizing:border-box;-webkit-box-sizing:border-box;box-sizing:border-box;'>test</div>").appendTo("#qunit-fixture"),
		el = jQuery("<div style='width:100px;height:100px;margin:5px;padding:3px;border:4px solid white;'>test</div>").appendTo("#qunit-fixture"),
		expected = 100;

	equal( el_bb.width( 101 ).width(), expected + 1, "test border-box width(int) by roundtripping" );
	equal( el_bb.innerWidth( 108 ).width(), expected + 2, "test border-box innerWidth(int) by roundtripping" );
	equal( el_bb.outerWidth( 117 ).width(), expected + 3, "test border-box outerWidth(int) by roundtripping" );
	equal( el_bb.outerWidth( 118, false ).width(), expected + 4, "test border-box outerWidth(int, false) by roundtripping" );
	equal( el_bb.outerWidth( 129, true ).width(), expected + 5, "test border-box innerWidth(int, true) by roundtripping" );

	equal( el_bb.height( 101 ).height(), expected + 1, "test border-box height(int) by roundtripping" );
	equal( el_bb.innerHeight( 108 ).height(), expected + 2, "test border-box innerHeight(int) by roundtripping" );
	equal( el_bb.outerHeight( 117 ).height(), expected + 3, "test border-box outerHeight(int) by roundtripping" );
	equal( el_bb.outerHeight( 118, false ).height(), expected + 4, "test border-box outerHeight(int, false) by roundtripping" );
	equal( el_bb.outerHeight( 129, true ).height(), expected + 5, "test border-box innerHeight(int, true) by roundtripping" );

	equal( el.width( 101 ).width(), expected + 1, "test border-box width(int) by roundtripping" );
	equal( el.innerWidth( 108 ).width(), expected + 2, "test border-box innerWidth(int) by roundtripping" );
	equal( el.outerWidth( 117 ).width(), expected + 3, "test border-box outerWidth(int) by roundtripping" );
	equal( el.outerWidth( 118, false ).width(), expected + 4, "test border-box outerWidth(int, false) by roundtripping" );
	equal( el.outerWidth( 129, true ).width(), expected + 5, "test border-box innerWidth(int, true) by roundtripping" );

	equal( el.height( 101 ).height(), expected + 1, "test border-box height(int) by roundtripping" );
	equal( el.innerHeight( 108 ).height(), expected + 2, "test border-box innerHeight(int) by roundtripping" );
	equal( el.outerHeight( 117 ).height(), expected + 3, "test border-box outerHeight(int) by roundtripping" );
	equal( el.outerHeight( 118, false ).height(), expected + 4, "test border-box outerHeight(int, false) by roundtripping" );
	equal( el.outerHeight( 129, true ).height(), expected + 5, "test border-box innerHeight(int, true) by roundtripping" );
});

testIframe( "dimensions/documentSmall", "window vs. small document", function( jQuery, window, document ) {
	// this test is practically tautological, but there is a bug in IE8
	// with no simple workaround, so this test exposes the bug and works around it
	if ( document.body.offsetWidth >= document.documentElement.offsetWidth ) {
		expect( 2 );

		equal( jQuery( document ).height(), jQuery( window ).height(), "document height matches window height" );
		equal( jQuery( document ).width(), jQuery( window ).width(), "document width matches window width" );
	} else {
		expect( 0 );
	}
});

testIframe( "dimensions/documentLarge", "window vs. large document", function( jQuery, window, document ) {
	expect(2);

	ok( jQuery( document ).height() > jQuery( window ).height(), "document height is larger than window height" );
	ok( jQuery( document ).width() > jQuery( window ).width(), "document width is larger than window width" );
});

}