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Test Info:
/* Any copyright is dedicated to the Public Domain.
"use strict";
// We press "add new rule", then we remove the style node
// We then try to press "add new rule again"
const TEST_URI = '<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 selectNode("#testid", inspector);
await addNewRule(inspector, view);
await testNewRule(view, 1);
await testRemoveStyleNode();
await addNewRule(inspector, view);
await testNewRule(view, 1);
});
function testNewRule(view) {
const ruleEditor = getRuleViewRuleEditor(view, 1);
const editor = ruleEditor.selectorText.ownerDocument.activeElement;
is(editor.value, "#testid", "Selector editor value is as expected");
info("Escaping from the selector field the change");
EventUtils.synthesizeKey("KEY_Escape");
}
async function testRemoveStyleNode() {
info("Removing the style node from the dom");
const nbStyleSheets = await SpecialPowers.spawn(
gBrowser.selectedBrowser,
[],
() => {
content.document.styleSheets[0].ownerNode.remove();
return content.document.styleSheets.length;
}
);
is(nbStyleSheets, 0, "Style node has been removed");
}