mozilla-central/toolkit/components/extensions/test/xpcshell/test_ext_contentscript_about_blank_start.js (file symbol)

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Test Info: Warnings

"use strict";
const server = createHttpServer({ hosts: ["example.com"] });
server.registerPathHandler("/blank-iframe.html", (request, response) => {
response.setStatusLine(request.httpVersion, 200, "OK");
response.setHeader("Content-Type", "text/html; charset=utf-8", false);
response.write("<iframe></iframe>");
});
add_task(async function content_script_at_document_start() {
let extensionData = {
manifest: {
content_scripts: [
{
matches: ["<all_urls>"],
js: ["start.js"],
run_at: "document_start",
match_about_blank: true,
},
],
},
files: {
"start.js": function () {
browser.test.sendMessage("content-script-done");
},
},
};
let extension = ExtensionTestUtils.loadExtension(extensionData);
await extension.startup();
let contentPage = await ExtensionTestUtils.loadContentPage(`about:blank`);
await extension.awaitMessage("content-script-done");
await contentPage.close();
await extension.unload();
});
add_task(async function content_style_at_document_start() {
let extensionData = {
manifest: {
content_scripts: [
{
matches: ["<all_urls>"],
css: ["start.css"],
run_at: "document_start",
match_about_blank: true,
},
{
matches: ["<all_urls>"],
js: ["end.js"],
run_at: "document_end",
match_about_blank: true,
},
],
},
files: {
"start.css": "body { background: red; }",
"end.js": function () {
let style = window.getComputedStyle(document.body);
browser.test.assertEq(
"rgb(255, 0, 0)",
style.backgroundColor,
"document_start style should have been applied"
);
browser.test.sendMessage("content-script-done");
},
},
};
let extension = ExtensionTestUtils.loadExtension(extensionData);
await extension.startup();
let contentPage = await ExtensionTestUtils.loadContentPage(`about:blank`);
await extension.awaitMessage("content-script-done");
await contentPage.close();
await extension.unload();
});