layout/style/test/test_shorthand_property_getters.html

<!DOCTYPE HTML>
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<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=376075
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<head>
  <title>Test for Bug 376075</title>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
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<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=376075">Mozilla Bug 376075</a>
<p id="display"></p>
<div id="content" style="display: none">
  
</div>
<pre id="test">
<script type="application/javascript">

/** Test for Bug 376075 **/

var e = document.getElementById("display");

var borderExtras = "; border-image: none";

// Test that we only serialize the 'border' shorthand when appropriate.
e.setAttribute("style", "border-left: medium solid blue; border-right: medium solid blue; border-top: medium blue solid; border-bottom: blue medium solid" + borderExtras);
isnot(e.style.border, "", "should be able to serialize border");
e.setAttribute("style", "border-left: medium solid blue; border-right: medium solid blue; border-top: medium blue solid; border-bottom: green medium solid" + borderExtras);
is(e.style.border, "", "should not be able to serialize border");
e.setAttribute("style", "border-width: 3px 3px 3px 3px; border-style: solid; border-color: green" + borderExtras);
isnot(e.style.border, "", "should be able to serialize border");
e.setAttribute("style", "border-width: 3px 3px 3px 3px; border-style: solid; border-color: green blue blue blue" + borderExtras);
is(e.style.border, "", "should not be able to serialize border");
e.setAttribute("style", "border-width: 3px 3px 3px 3px; border-style: solid; border-color: blue green blue blue" + borderExtras);
is(e.style.border, "", "should not be able to serialize border");
e.setAttribute("style", "border-width: 3px 3px 3px 3px; border-style: solid; border-color: blue blue green blue" + borderExtras);
is(e.style.border, "", "should not be able to serialize border");
e.setAttribute("style", "border-width: 3px 3px 3px 3px; border-style: solid; border-color: blue blue blue green" + borderExtras);
is(e.style.border, "", "should not be able to serialize border");
e.setAttribute("style", "border-width: 3px 2px 3px 3px; border-style: solid; border-color: green" + borderExtras);
is(e.style.border, "", "should not be able to serialize border");
e.setAttribute("style", "border-width: 3px 3px 3px 3px; border-style: solid dashed; border-color: green" + borderExtras);
is(e.style.border, "", "should not be able to serialize border");

// Test suppression of currentcolor in border shorthands.
e.setAttribute("style", "border: medium solid");
is(e.style.border, "solid", "implied default color omitted serializing border");
is(e.style.borderLeft, "solid", "implied default color omitted serializing border-left");
is(e.style.cssText, "border: solid;", "implied default color omitted serializing declaration");
e.setAttribute("style", "border-right: medium solid");
is(e.style.borderRight, "solid", "implied default color omitted serializing border-right");
is(e.style.cssText, "border-right: solid;", "implied default color omitted serializing declaration");

// Test that we shorten box properties to the shortest possible.
e.setAttribute("style", "margin: 7px");
is(e.style.margin, "7px", "should condense to shortest possible");
is(e.style.cssText, "margin: 7px;", "should condense to shortest possible");
e.setAttribute("style", "padding: 7px 7px 7px");
is(e.style.padding, "7px", "should condense to shortest possible");
is(e.style.cssText, "padding: 7px;", "should condense to shortest possible");
e.setAttribute("style", "border-width: 7px 7px 7px 7px");
is(e.style.borderWidth, "7px", "should condense to shortest possible");
is(e.style.cssText, "border-width: 7px;", "should condense to shortest possible");
e.setAttribute("style", "margin: 7px 7px 7px 6px");
is(e.style.margin, "7px 7px 7px 6px", "should not condense");
is(e.style.cssText, "margin: 7px 7px 7px 6px;", "should not condense");
e.setAttribute("style", "border-style: solid dotted none dotted");
is(e.style.borderStyle, "solid dotted none", "should condense");
is(e.style.cssText, "border-style: solid dotted none;", "should condense");
e.setAttribute("style", "border-color: green blue");
is(e.style.borderColor, "green blue", "should condense");
is(e.style.cssText, "border-color: green blue;", "should condense");
e.setAttribute("style", "border-color: green blue green");
is(e.style.borderColor, "green blue", "should condense");
is(e.style.cssText, "border-color: green blue;", "should condense");
e.setAttribute("style", "border-color: green blue green blue");
is(e.style.borderColor, "green blue", "should condense");
is(e.style.cssText, "border-color: green blue;", "should condense");
e.setAttribute("style", "border-color: currentColor currentColor currentcolor CURRENTcolor");
is(e.style.borderColor, "currentcolor", "should condense to canonical case");
is(e.style.cssText, "border-color: currentcolor;", "should condense to canonical case");
e.setAttribute("style", "border-style: ridge none none none");
is(e.style.borderStyle, "ridge none none", "should condense");
is(e.style.cssText, "border-style: ridge none none;", "should condense");
e.setAttribute("style", "border-radius: 1px 1px 1px 1px");
is(e.style.borderRadius, "1px", "should condense to shortest possible");
is(e.style.cssText, "border-radius: 1px;", "should condense to shortest possible");
e.setAttribute("style", "border-radius: 1px 1px 1px 1px / 2px 2px 2px 2px");
is(e.style.borderRadius, "1px / 2px", "should condense to shortest possible");
is(e.style.cssText, "border-radius: 1px / 2px;", "should condense to shortest possible");
e.setAttribute("style", "border-radius: 1px 2px 1px 2px / 1% 2% 3% 2%");
is(e.style.borderRadius, "1px 2px / 1% 2% 3%", "should condense to shortest possible");
is(e.style.cssText, "border-radius: 1px 2px / 1% 2% 3%;", "should condense to shortest possible");

// Test that we refuse to serialize the 'background' and 'font'
// shorthands when some subproperties that can't be expressed in the
// shorthand syntax are present.
e.setAttribute("style", "font: medium serif");
isnot(e.style.font, "", "should have font shorthand");
e.setAttribute("style", "font: medium serif; font-size-adjust: 0.45");
is(e.style.font, "", "should not have font shorthand");
e.setAttribute("style", "font: medium serif; font-feature-settings: 'liga' off");
is(e.style.font, "", "should not have font shorthand");

// Test that all combinations of background-clip and background-origin
// can be expressed in the shorthand (which wasn't the case previously).
e.setAttribute("style", "background: red");
isnot(e.style.background, "", "should have background shorthand");
e.setAttribute("style", "background: red; background-origin: border-box");
isnot(e.style.background, "", "should have background shorthand (origin:border-box)");
e.setAttribute("style", "background: red; background-clip: padding-box");
isnot(e.style.background, "", "should have background shorthand (clip:padding-box)");
e.setAttribute("style", "background: red; background-origin: content-box");
isnot(e.style.background, "", "should have background shorthand (origin:content-box)");
e.setAttribute("style", "background: red; background-clip: content-box");
isnot(e.style.background, "", "should have background shorthand (clip:content-box)");
e.setAttribute("style", "background: red; background-clip: content-box; background-origin: content-box;");
isnot(e.style.background, "", "should have background shorthand (clip:content-box;origin:content-box)");

// Test background-size in the background shorthand.
e.setAttribute("style", "background: red; background-size: 100% 100%");
isnot(e.style.background, "", "should have background shorthand (size:100% 100%)");
e.setAttribute("style", "background: red; background-size: 100% auto");
isnot(e.style.background, "", "should have background shorthand (size:100% auto)");
e.setAttribute("style", "background: red; background-size: auto 100%");
isnot(e.style.background, "", "should have background shorthand (size:auto 100%)");

// Check that we only serialize background when the lists (of layers) for
// the subproperties are the same length.
e.setAttribute("style", "background-clip: border-box, padding-box, border-box; background-origin: border-box, padding-box, padding-box; background-size: cover, auto, contain; background-color: blue; background-image: url(404.png), none, url(404-2.png); background-attachment: fixed, scroll, scroll; background-position: top left, center, 30px 50px; background-repeat: repeat-x, repeat, no-repeat");
isnot(e.style.background, "", "should have background shorthand (all lists length 3)");
e.setAttribute("style", "background-clip: border-box, padding-box, border-box, border-box; background-origin: border-box, padding-box, padding-box; background-size: cover, auto, contain; background-color: blue; background-image: url(404.png), none, url(404-2.png); background-attachment: fixed, scroll, scroll; background-position: top left, center, 30px 50px; background-repeat: repeat-x, repeat, no-repeat");
is(e.style.background, "", "should not have background shorthand (background-clip too long)");
e.setAttribute("style", "background-clip: border-box, padding-box, border-box; background-origin: padding-box, padding-box; background-size: cover, auto, contain; background-color: blue; background-image: url(404.png), none, url(404-2.png); background-attachment: fixed, scroll, scroll; background-position: top left, center, 30px 50px; background-repeat: repeat-x, repeat, no-repeat");
is(e.style.background, "", "should not have background shorthand (background-origin too short)");
e.setAttribute("style", "background-clip: border-box, padding-box, border-box; background-origin: border-box, padding-box, padding-box; background-size: cover, auto, contain; background-color: blue; background-image: url(404.png), none, url(404-2.png), none; background-attachment: fixed, scroll, scroll; background-position: top left, center, 30px 50px; background-repeat: repeat-x, repeat, no-repeat");
is(e.style.background, "", "should not have background shorthand (background-image too long)");
e.setAttribute("style", "background-clip: border-box, padding-box, border-box; background-origin: border-box, padding-box, padding-box; background-size: cover, auto, contain; background-color: blue; background-image: url(404.png), none, url(404-2.png); background-attachment: fixed, scroll; background-position: top left, center, 30px 50px; background-repeat: repeat-x, repeat, no-repeat");
is(e.style.background, "", "should not have background shorthand (background-attachment too short)");
e.setAttribute("style", "background-clip: border-box, padding-box, border-box; background-origin: border-box, padding-box, padding-box; background-size: cover, auto, contain; background-color: blue; background-image: url(404.png), none, url(404-2.png); background-attachment: fixed, scroll, scroll; background-position: top left, center, 30px 50px, bottom; background-repeat: repeat-x, repeat, no-repeat");
is(e.style.background, "", "should not have background shorthand (background-position too long)");
e.setAttribute("style", "background-clip: border-box, padding-box, border-box; background-origin: border-box, padding-box, padding-box; background-size: cover, auto, contain; background-color: blue; background-image: url(404.png), none, url(404-2.png); background-attachment: fixed, scroll, scroll; background-position: top left, center, 30px 50px; background-repeat: repeat-x, repeat");
is(e.style.background, "", "should not have background shorthand (background-repeat too short)");
e.setAttribute("style", "background-clip: border-box, padding-box, border-box; background-origin: border-box, padding-box, padding-box; background-size: cover, auto, contain, contain; background-color: blue; background-image: url(404.png), none, url(404-2.png); background-attachment: fixed, scroll, scroll; background-position: top left, center, 30px 50px; background-repeat: repeat-x, repeat, no-repeat");
is(e.style.background, "", "should not have background shorthand (background-size too long)");

// Check that we only serialize background-position when the lists (of layers) for
// the -x/-y subproperties are the same length.
e.setAttribute("style", "background-position-x: 10%, left 2em, right; background-position-y: top 2em, bottom, 10%");
is(e.style.backgroundPosition, "left 10% top 2em, left 2em bottom, right 10%", "should have background-position shorthand (both lists length 3)");
e.setAttribute("style", "background-position-x: 10%, left 2em; background-position-y: top 2em, bottom, 10%");
is(e.style.backgroundPosition, "", "should not have background-position shorthand (background-position-x too short)");
e.setAttribute("style", "background-position-x: 10%, left 2em, right; background-position-y: top 2em");
is(e.style.backgroundPosition, "", "should not have background-position shorthand (background-position-y too short)");

// Check that background-position serialization doesn't produce invalid values.
e.setAttribute("style", "background-position: 0px");
is(e.style.backgroundPosition, "0px center", "1-value form should be accepted, with implied center value for background-position-y");
e.setAttribute("style", "background-position: 0px center");
is(e.style.backgroundPosition, "0px center", "2-value form 'x-offset' 'y-edge' should be accepted, and serialize to 2-value form");
e.setAttribute("style", "background-position: left 0px center");
is(e.style.backgroundPosition, "left 0px center", "3-value form 'x-edge' 'x-offset' 'y-edge' should be accepted and serialize to 3-value form");
e.setAttribute("style", "background-position: left top 0px");
is(e.style.backgroundPosition, "left top 0px", "3-value form 'x-edge' 'y-edge' 'y-offset' should be accepted and serialize to 3-value form");
e.setAttribute("style", "background-position: left 0px top 0px");
is(e.style.backgroundPosition, "left 0px top 0px", "4-value form should be accepted and serialize to 4-value form");
e.setAttribute("style", "background-position-x: 0px; background-position-y: center");
is(e.style.backgroundPosition, "0px center", "should always serialize to 2-value form if setting -x and -y with the 1-value form");
e.setAttribute("style", "background-position-x: 0px; background-position-y: 0px");
is(e.style.backgroundPosition, "0px 0px", "should always serialize to 2-value form if setting -x and -y with the 1-value form");
e.setAttribute("style", "background-position-x: center; background-position-y: 0px");
is(e.style.backgroundPosition, "center 0px", "should always serialize to 2-value form if setting -x and -y with the 1-value form");
e.setAttribute("style", "background-position-x: left; background-position-y: top");
is(e.style.backgroundPosition, "left top", "should always serialize to 2-value form if setting -x and -y with the 1-value form");
e.setAttribute("style", "background-position-x: left 0px; background-position-y: center");
is(e.style.backgroundPosition, "left 0px center", "should always serialize to 3-value form if both -x and -y specified an edge");
e.setAttribute("style", "background-position-x: right; background-position-y: top 0px");
is(e.style.backgroundPosition, "right top 0px", "should always serialize to 3-value form if both -x and -y specified an edge");
e.setAttribute("style", "background-position-x: left 0px; background-position-y: 0px");
is(e.style.backgroundPosition, "left 0px top 0px", "should serialize to 4-value form if 3-value form would only have one edge");
e.setAttribute("style", "background-position-x: 0px; background-position-y: top 0px");
is(e.style.backgroundPosition, "left 0px top 0px", "should serialize to 4-value form if 3-value form would only have one edge");

// Check that we only serialize transition when the lists are the same length.
e.setAttribute("style", "transition-property: color, width; transition-duration: 1s, 200ms; transition-timing-function: ease-in, linear; transition-delay: 0s, 1s; transition-behavior: normal, allow-discrete;");
isnot(e.style.transition, "", "should have transition shorthand (lists same length)");
e.setAttribute("style", "transition-property: color, width, left; transition-duration: 1s, 200ms; transition-timing-function: ease-in, linear; transition-delay: 0s, 1s; transition-behavior: normal, allow-discrete;");
is(e.style.transition, "", "should not have transition shorthand (lists different lengths)");
e.setAttribute("style", "transition-property: all; transition-duration: 1s, 200ms; transition-timing-function: ease-in, linear; transition-delay: 0s, 1s; transition-behavior: normal, allow-discrete;");
is(e.style.transition, "", "should not have transition shorthand (lists different lengths)");
e.setAttribute("style", "transition-property: color, width; transition-duration: 1s, 200ms, 300ms; transition-timing-function: ease-in, linear; transition-delay: 0s, 1s; transition-behavior: normal, allow-discrete;");
is(e.style.transition, "", "should not have transition shorthand (lists different lengths)");
e.setAttribute("style", "transition-property: color, width; transition-duration: 1s, 200ms; transition-timing-function: ease-in, linear, ease-out; transition-delay: 0s, 1s; transition-behavior: normal, allow-discrete;");
is(e.style.transition, "", "should not have transition shorthand (lists different lengths)");
e.setAttribute("style", "transition-property: color, width; transition-duration: 1s, 200ms; transition-timing-function: ease-in, linear; transition-delay: 0s, 1s, 0s; transition-behavior: normal, allow-discrete;");
is(e.style.transition, "", "should not have transition shorthand (lists different lengths)");
e.setAttribute("style", "transition-property: color, width; transition-duration: 1s, 200ms; transition-timing-function: ease-in, linear; transition-delay: 0s, 1s; transition-behavior: normal, allow-discrete, normal;");
is(e.style.transition, "", "should not have transition shorthand (lists different lengths)");
e.setAttribute("style", "transition: color, width; transition-delay: 0s");
is(e.style.transition, "", "should not have transition shorthand (lists different lengths)");

// FIXME: Bug 1824261. The 1st case should be non-empty if animation-timeline is
// not reset-only.
e.setAttribute("style", "animation-name: bounce, roll; animation-duration: 1s, 200ms; animation-timing-function: ease-in, linear; animation-delay: 0s, 1s; animation-direction: normal, reverse; animation-fill-mode: forwards, backwards; animation-iteration-count: infinite, 2; animation-play-state: paused, running; animation-timeline: auto, auto;");
is(e.style.animation, "", "should have animation shorthand (lists same length, Bug 1824261)");
e.setAttribute("style", "animation-name: bounce, roll, left; animation-duration: 1s, 200ms; animation-timing-function: ease-in, linear; animation-delay: 0s, 1s; animation-direction: normal, reverse; animation-fill-mode: forwards, backwards; animation-iteration-count: infinite, 2; animation-play-state: paused, running; animation-timeline: auto, auto;");
is(e.style.animation, "", "should not have animation shorthand (lists different lengths)");
e.setAttribute("style", "animation-name: bounce; animation-duration: 1s, 200ms; animation-timing-function: ease-in, linear; animation-delay: 0s, 1s; animation-direction: normal, reverse; animation-fill-mode: forwards, backwards; animation-iteration-count: infinite, 2; animation-play-state: paused, running; animation-timeline: auto, auto;");
is(e.style.animation, "", "should not have animation shorthand (lists different lengths)");
e.setAttribute("style", "animation-name: bounce, roll; animation-duration: 1s, 200ms, 300ms; animation-timing-function: ease-in, linear; animation-delay: 0s, 1s; animation-direction: normal, reverse; animation-fill-mode: forwards, backwards; animation-iteration-count: infinite, 2; animation-play-state: paused, running; animation-timeline: auto, auto;");
is(e.style.animation, "", "should not have animation shorthand (lists different lengths)");
e.setAttribute("style", "animation-name: bounce, roll; animation-duration: 1s, 200ms; animation-timing-function: ease-in, linear, ease-out; animation-delay: 0s, 1s; animation-direction: normal, reverse; animation-fill-mode: forwards, backwards; animation-iteration-count: infinite, 2; animation-play-state: paused, running; animation-timeline: auto, auto");
is(e.style.animation, "", "should not have animation shorthand (lists different lengths)");
e.setAttribute("style", "animation-name: bounce, roll; animation-duration: 1s, 200ms; animation-timing-function: ease-in, linear; animation-delay: 0s, 1s, 0s; animation-direction: normal, reverse; animation-fill-mode: forwards, backwards; animation-iteration-count: infinite, 2; animation-play-state: paused, running; animation-timeline: auto, auto;");
is(e.style.animation, "", "should not have animation shorthand (lists different lengths)");
e.setAttribute("style", "animation-name: bounce, roll; animation-duration: 1s, 200ms; animation-timing-function: ease-in, linear; animation-delay: 0s, 1s; animation-direction: normal; animation-fill-mode: forwards, backwards; animation-iteration-count: infinite, 2; animation-play-state: paused, running; animation-timeline: auto, auto;");
is(e.style.animation, "", "should not have animation shorthand (lists different lengths)");
e.setAttribute("style", "animation-name: bounce, roll; animation-duration: 1s, 200ms; animation-timing-function: ease-in, linear; animation-delay: 0s, 1s; animation-direction: normal, reverse; animation-fill-mode: forwards, backwards, both; animation-iteration-count: infinite, 2; animation-play-state: paused, running; animation-timeline: auto, auto;");
is(e.style.animation, "", "should not have animation shorthand (lists different lengths)");
e.setAttribute("style", "animation-name: bounce, roll; animation-duration: 1s, 200ms; animation-timing-function: ease-in, linear; animation-delay: 0s, 1s; animation-direction: normal, reverse; animation-fill-mode: forwards, backwards; animation-iteration-count: infinite, 2, 1; animation-play-state: paused, running; animation-timeline: auto, auto;");
is(e.style.animation, "", "should not have animation shorthand (lists different lengths)");
e.setAttribute("style", "animation-name: bounce, roll; animation-duration: 1s, 200ms; animation-timing-function: ease-in, linear; animation-delay: 0s, 1s; animation-direction: normal, reverse; animation-fill-mode: forwards, backwards; animation-iteration-count: infinite, 2; animation-play-state: paused, running, running; animation-timeline: auto, auto;");
is(e.style.animation, "", "should not have animation shorthand (lists different lengths)");
e.setAttribute("style", "animation-name: bounce, roll; animation-duration: 1s, 200ms; animation-timing-function: ease-in, linear; animation-delay: 0s, 1s; animation-direction: normal, reverse; animation-fill-mode: forwards, backwards; animation-iteration-count: infinite, 2; animation-play-state: paused, running; animation-timeline: auto, auto, auto;");
is(e.style.animation, "", "should not have animation shorthand (lists different lengths)");

// Check that the 'border' shorthand resets 'border-image' and
// but that other 'border-*' shorthands don't
// (bug 482692).
e.setAttribute("style", 'border-image: url("foo.png") 5 5 5 5 / 5 5 5 5 / 5 5 5 5 repeat repeat; border-left: medium solid green');
is(e.style.cssText,
   'border-image: url("foo.png") 5 / 5 / 5 repeat; border-left: solid green;',
   "border-left does NOT reset border-image");
e.setAttribute("style", 'border-image: url("foo.png") 5 5 5 5; border: solid green');
is(e.style.cssText, 'border: solid green;', "border DOES reset border-image");

// Test that the color goes at the beginning of the last item of the
// background shorthand.
e.setAttribute("style", "background: url(foo.png) blue");
is(e.style.cssText,
   "background: blue url(\"foo.png\");",
   "color should be at start of single-item background");
e.setAttribute("style", "background: url(bar.png), url(foo.png) blue");
is(e.style.cssText,
   "background: url(\"bar.png\"), blue url(\"foo.png\");",
   "color should be at start of single-item background");

</script>
</pre>
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