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Test Info:
/* Any copyright is dedicated to the Public Domain.
"use strict";
// Test for pseudo element which defines CSS variable.
const TEST_URI = `
<style type='text/css'>
div::before {
color: var(--color);
--color: orange;
}
div {
color: var(--color);
--color: lime;
}
</style>
<div></div>
`;
add_task(async function () {
await addTab("data:text/html;charset=utf-8," + encodeURIComponent(TEST_URI));
const { inspector, view } = await openRuleView();
await selectNode("div", inspector);
info("Test the CSS variable which normal element is referring to");
checkCSSVariableOutput(view, "div", "color", "inspector-variable", "lime");
info("Test the CSS variable which pseudo element is referring to");
checkCSSVariableOutput(
view,
"div::before",
"color",
"inspector-variable",
"orange"
);
});