overflow-serialization.html

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This WPT test may be referenced by the following Test IDs:
- /css/cssom/overflow-serialization.html - WPT Dashboard Interop Dashboard

<!doctype html>

<html>

<head>

    <meta charset="utf-8">

    <title>CSSOM - Overflow shorthand serialization</title>

    <link rel="help" href="https://drafts.csswg.org/cssom/#serialize-a-css-value">

    <script src="/resources/testharness.js"></script>

    <script src="/resources/testharnessreport.js"></script>

    <style>

        div { overflow: inherit; }

        div { overflow: hidden; }

        div { overflow-x: initial; overflow-y: initial; }

        div { overflow-x: scroll; overflow-y: scroll; }

        div { overflow-x: scroll; overflow-y: hidden; }

    </style>

    <script>

    var styleSheet = document.styleSheets[0]

    var div = document.createElement('div')

    test(function () {

        assert_equals(styleSheet.cssRules[0].style.cssText, "overflow: inherit;")

    }, "Single value overflow with CSS-wide keyword should serialize correctly.")

    test(function () {

        assert_equals(styleSheet.cssRules[1].style.cssText, "overflow: hidden;")

    }, "Single value overflow with non-CSS-wide keyword should serialize correctly.")

    test(function () {

        assert_equals(styleSheet.cssRules[2].style.cssText, "overflow: initial;")

    }, "Overflow-x/y longhands with same CSS-wide keyword should serialize correctly.")

    test(function () {

        assert_equals(styleSheet.cssRules[3].style.cssText, "overflow: scroll;")

    }, "Overflow-x/y longhands with same non-CSS-wide keyword should serialize correctly.")

    test(function () {

        assert_equals(styleSheet.cssRules[4].style.cssText, "overflow: scroll hidden;")

    }, "Overflow-x/y longhands with different keywords should serialize correctly.")

    test(function () {

        div.style.overflow = "inherit"

        assert_equals(div.style.overflow, "inherit")

    }, "Single value overflow on element with CSS-wide keyword should serialize correctly.")

    test(function () {

        div.style.overflow = "hidden"

        assert_equals(div.style.overflow, "hidden")

    }, "Single value overflow on element with non-CSS-wide keyword should serialize correctly.")

    test(function () {

        div.style.overflow = ""

        div.style.overflowX = "initial"

        div.style.overflowY = "initial"

        assert_equals(div.style.overflow, "initial")

    }, "Overflow-x/y longhands on element with same CSS-wide keyword should serialize correctly.")

    test(function () {

        div.style.overflowX = "scroll"

        div.style.overflowY = "scroll"

        assert_equals(div.style.overflow, "scroll")

    }, "Overflow-x/y longhands on element with same non-CSS-wide keyword should serialize correctly.")

    test(function () {

        div.style.overflowX = "scroll"

        div.style.overflowY = "hidden"

        assert_equals(div.style.overflow, "scroll hidden")

    }, "Overflow-x/y longhands on element with different keywords should serialize correctly.")

    </script>

</head>

</html>