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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /css/cssom/style-color-values.html - WPT Dashboard Interop Dashboard
<!DOCTYPE html>
<meta charset="utf-8">
<title>Specified and resolved values of color</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<body>
<div id="parent">
<div id="div">Test</div>
</div>
</body>
<script>
"use strict";
const parentNode = document.getElementById("parent");
const div = document.getElementById("div");
const initialColor = window.getComputedStyle(document.documentElement).color;
test(() => {
assert_equals(div.style.color, "", "Initial value of specified value is empty string.");
assert_false(
/canvastext/i.test(initialColor),
"Initial color is not system color keyword."
);
assert_true(
initialColor.startsWith("rgb(") && initialColor.endsWith(")"),
"Initial color is in rgb() format."
);
assert_equals(
window.getComputedStyle(div).color,
initialColor,
"Initial value of resolved value is in rgb() format."
);
}, "Sanity check");
test(() => {
div.style.color = "CanvasText";
assert_equals(
div.style.color,
"canvastext",
"Specified value for system color keyword is lower cased."
);
assert_equals(
window.getComputedStyle(div).color,
initialColor,
"Resolved value for system color keyword is in rgb() format."
);
}, "System color keyword");
test(() => {
div.style.color = "green";
assert_equals(
div.style.color,
"green",
"Specified value for color keyword is as is."
);
assert_equals(
window.getComputedStyle(div).color,
"rgb(0, 128, 0)",
"Resolved value for color keyword is in rgb() format."
);
}, "Color keyword");
test(() => {
div.style.color = "#008000";
assert_equals(
div.style.color,
"rgb(0, 128, 0)",
"Specified value for hex color notation is in rgb() format."
);
assert_equals(
window.getComputedStyle(div).color,
"rgb(0, 128, 0)",
"Resolved value for hex color notation is in rgb() format."
);
}, "Hex color notation");
test(() => {
div.style.color = "rgb(0 128 0 / 1)";
assert_equals(
div.style.color,
"rgb(0, 128, 0)",
"Specified value for color function is in legacy rgb() format."
);
assert_equals(
window.getComputedStyle(div).color,
"rgb(0, 128, 0)",
"Resolved value for color function is in rgb() format."
);
}, "Color function");
test(() => {
parentNode.style.color = "blue";
div.style.color = "inherit";
assert_equals(
div.style.color,
"inherit",
"Specified value for global CSS keyword is as is."
);
assert_equals(
window.getComputedStyle(div).color,
"rgb(0, 0, 255)",
"Resolved value for global keyword is in rgb() format."
);
}, "Global keyword");
</script>