37 lines
1.1 KiB
JavaScript
37 lines
1.1 KiB
JavaScript
/* Any copyright is dedicated to the Public Domain.
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http://creativecommons.org/publicdomain/zero/1.0/ */
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"use strict";
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// Test that a newly-added style sheet shows up in the style editor.
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const TESTCASE_URI = TEST_BASE_HTTPS + "simple.html";
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add_task(function* () {
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let { ui } = yield openStyleEditorForURL(TESTCASE_URI);
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is(ui.editors.length, 2, "Two sheets present after load.");
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// We have to wait for the length to change, because we might still
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// be seeing events from the initial open.
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let added = new Promise(resolve => {
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let handler = () => {
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if (ui.editors.length === 3) {
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ui.off("editor-added", handler);
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resolve();
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}
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};
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ui.on("editor-added", handler);
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});
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info("Adding a style sheet");
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yield ContentTask.spawn(gBrowser.selectedBrowser, null, () => {
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let document = content.document;
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const style = document.createElement("style");
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style.appendChild(document.createTextNode("div { background: #f06; }"));
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document.head.appendChild(style);
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});
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yield added;
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is(ui.editors.length, 3, "Three sheets present after new style sheet");
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});
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