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Test Info:
/* Any copyright is dedicated to the Public Domain.
"use strict";
// Test editing a CSS variable.
const TEST_URI = `
<style type='text/css'>
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("Check the initial state of the --color variable");
checkCSSVariableOutput(
view,
"div",
"color",
"ruleview-variable",
"--color = lime"
);
info("Edit the CSS variable");
const prop = getTextProperty(view, 1, { "--color": "lime" });
const propEditor = prop.editor;
const editor = await focusEditableField(view, propEditor.valueSpan);
editor.input.value = "blue";
const onRuleViewChanged = view.once("ruleview-changed");
EventUtils.synthesizeKey("VK_RETURN", {}, view.styleWindow);
await onRuleViewChanged;
checkCSSVariableOutput(
view,
"div",
"color",
"ruleview-variable",
"--color = blue"
);
});