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diff --git a/testing/web-platform/tests/css/css-backgrounds/parsing/background-computed.html b/testing/web-platform/tests/css/css-backgrounds/parsing/background-computed.html new file mode 100644 index 0000000000..8a07df4903 --- /dev/null +++ b/testing/web-platform/tests/css/css-backgrounds/parsing/background-computed.html @@ -0,0 +1,70 @@ +<!DOCTYPE html> +<html> +<head> +<meta charset="utf-8"> +<title>CSS Backgrounds and Borders: getComputedStyle().background with multiple layers</title> +<link rel="help" href="https://drafts.csswg.org/css-backgrounds/#background"> +<meta name="assert" content="The number of layers is determined by the number of comma-separated values in the background-image property. ."> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<script src="/css/support/computed-testcommon.js"></script> +<style> + #target { + background-image: none, none, none; + font-size: 40px; + } +</style> +</head> +<body> +<div id="target"></div> +<script> +test_computed_value("background-attachment", "local", "local, local, local"); +test_computed_value("background-attachment", "scroll, fixed", "scroll, fixed, scroll"); +test_computed_value("background-attachment", "local, fixed, scroll"); +test_computed_value("background-attachment", "local, fixed, scroll, fixed", "local, fixed, scroll"); + +test_computed_value("background-clip", "border-box", "border-box, border-box, border-box"); +test_computed_value("background-clip", "content-box, border-box", "content-box, border-box, content-box"); +test_computed_value("background-clip", "border-box, padding-box, content-box"); +test_computed_value("background-clip", "content-box, border-box, padding-box, content-box", "content-box, border-box, padding-box"); + +// background-color always computes as a single color. +test_computed_value("background-color", "rgb(255, 0, 0)"); + +test_computed_value("background-origin", "border-box", "border-box, border-box, border-box"); +test_computed_value("background-origin", "content-box, border-box", "content-box, border-box, content-box"); +test_computed_value("background-origin", "border-box, padding-box, content-box"); +test_computed_value("background-origin", "content-box, border-box, padding-box, content-box", "content-box, border-box, padding-box"); + +test_computed_value("background-position", "50% 6px", "50% 6px, 50% 6px, 50% 6px"); +test_computed_value("background-position", "12px 13px, 50% 6px", "12px 13px, 50% 6px, 12px 13px"); +test_computed_value("background-position", "12px 13px, 50% 6px, 30px -10px"); +test_computed_value("background-position", "12px 13px, 50% 6px, 30px -10px, -7px 8px", "12px 13px, 50% 6px, 30px -10px"); + +test_computed_value("background-position-x", "0.5em", "20px, 20px, 20px"); +test_computed_value("background-position-x", "-20%, 10px", "-20%, 10px, -20%"); + +test_computed_value("background-position-x", "center, left, right", "50%, 0%, 100%"); +test_computed_value("background-position-x", "calc(10px - 0.5em), -20%, right, 15%", "-10px, -20%, 100%"); + +test_computed_value("background-position-y", "0.5em", "20px, 20px, 20px"); +test_computed_value("background-position-y", "-20%, 10px", "-20%, 10px, -20%"); +test_computed_value("background-position-y", "center, top, bottom", "50%, 0%, 100%"); +test_computed_value("background-position-y", "calc(10px - 0.5em), -20%, bottom, 15%", "-10px, -20%, 100%"); + +test_computed_value("background-repeat", "round", "round, round, round"); +test_computed_value("background-repeat", "repeat-x, repeat", "repeat-x, repeat, repeat-x"); +test_computed_value("background-repeat", "repeat space, round no-repeat, repeat-x"); +test_computed_value("background-repeat", "repeat-y, round no-repeat, repeat-x, repeat", "repeat-y, round no-repeat, repeat-x"); + +test_computed_value("background-size", "contain", "contain, contain, contain"); +test_computed_value("background-size", "auto 1px, 2% 3%", "auto 1px, 2% 3%, auto 1px"); +test_computed_value("background-size", "auto 1px, 2% 3%, contain"); +test_computed_value("background-size", "auto 1px, 2% 3%, contain, 7px 8px", "auto 1px, 2% 3%, contain"); + +// Open issue: Define serialization for background shorthand +// https://github.com/w3c/csswg-drafts/issues/418 +// test_computed_value("background", "rgb(1, 2, 3) none 4px 5px / 6px 7px repeat space scroll border-box padding-box"); +</script> +</body> +</html> |