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Test Info:
/* Any copyright is dedicated to the Public Domain.
"use strict";
Services.scriptloader.loadSubScript(
this
);
const COLOR_WHITE = [255, 255, 255, 1];
add_task(async function loadNewChild() {
const { walker } = await initInspectorFront(
`data:text/html,<style>body{color:red;background-color:white;}body::before{content:"test";}</style>`
);
const body = await walker.querySelector(walker.rootNode, "body");
const color = await body.getBackgroundColor();
Assert.deepEqual(
color.value,
COLOR_WHITE,
"Background color is calculated correctly for an element with a pseudo child."
);
});