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Diffstat (limited to 'layout/reftests/w3c-css/submitted/transforms/perspective-zero.html')
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diff --git a/layout/reftests/w3c-css/submitted/transforms/perspective-zero.html b/layout/reftests/w3c-css/submitted/transforms/perspective-zero.html new file mode 100644 index 000000000..f0044ad00 --- /dev/null +++ b/layout/reftests/w3c-css/submitted/transforms/perspective-zero.html @@ -0,0 +1,32 @@ +<!DOCTYPE html> +<meta charset="utf-8"> +<title>CSS Test: transform: perspective(0)</title> +<link rel="author" title="Xidorn Quan" href="https://www.upsuper.org"> +<link rel="author" title="Mozilla" href="https://www.mozilla.org"> +<link rel="help" href="https://drafts.csswg.org/css-transforms-2/#funcdef-perspective"> +<meta name="assert" content="perspective(0) should behave like identity transform function."> +<link rel="match" href="reference/green.html"> +<style> +#cover-me, #test { + width: 100px; + height: 100px; +} +#cover-me { + background: red; + position: relative; + margin-bottom: -100px; +} +#test { + background: green; + /* This should be an identity transform, since perspective(0) must be + * treated as perspective(infinity), and consequently translateZ() + * doesn't have any effect, so that it covers up #cover-me. + * If perspective(0) is invalid, #test would not create a stacking + * context, and #cover-me would be placed on top of #test showing red. + * If perspective(0) is handled as perspective(epsilon), #test would + * be invisible. */ + transform: perspective(0) translateZ(50px); +} +</style> +<p>Pass if there is NO red below:</p> +<div id="cover-me"></div><div id="test"></div> |