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Test Info:
/* Any copyright is dedicated to the Public Domain.
"use strict";
// Tests if the `Add rule` button disables itself properly for non-element nodes
// and anonymous element.
const TEST_URI = `
<style type="text/css">
#pseudo::before {
content: "before";
}
</style>
<div id="pseudo"></div>
<div id="testid">Test Node</div>
`;
add_task(async function () {
await addTab("data:text/html;charset=utf-8," + encodeURIComponent(TEST_URI));
const { inspector, view } = await openRuleView();
await testDisabledButton(inspector, view);
});
async function testDisabledButton(inspector, view) {
const node = "#testid";
info("Selecting a real element");
await selectNode(node, inspector);
ok(!view.addRuleButton.disabled, "Add rule button should be enabled");
info("Select a null element");
await view.selectElement(null);
ok(view.addRuleButton.disabled, "Add rule button should be disabled");
info("Selecting a real element");
await selectNode(node, inspector);
ok(!view.addRuleButton.disabled, "Add rule button should be enabled");
info("Selecting a pseudo element");
const pseudo = await getNodeFront("#pseudo", inspector);
const children = await inspector.walker.children(pseudo);
const before = children.nodes[0];
await selectNode(before, inspector);
ok(view.addRuleButton.disabled, "Add rule button should be disabled");
info("Selecting a real element");
await selectNode(node, inspector);
ok(!view.addRuleButton.disabled, "Add rule button should be enabled");
}