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

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Test Info: Warnings

"use strict";
const server = createHttpServer({ hosts: ["example.com"] });
server.registerDirectory("/data/", do_get_file("data"));
add_task(async function test_contentscript_exportHelpers() {
function contentScript() {
browser.test.assertTrue(typeof cloneInto === "function");
browser.test.assertTrue(typeof createObjectIn === "function");
browser.test.assertTrue(typeof exportFunction === "function");
/* globals exportFunction, precisePi, reportPi */
let value = 3.14;
exportFunction(() => value, window, { defineAs: "precisePi" });
browser.test.assertEq(
"undefined",
typeof precisePi,
"exportFunction should export to the page's scope only"
);
browser.test.assertEq(
"undefined",
typeof window.precisePi,
"exportFunction should export to the page's scope only"
);
let results = [];
exportFunction(pi => results.push(pi), window, { defineAs: "reportPi" });
let s = document.createElement("script");
s.textContent = `(${function () {
let result1 = "unknown 1";
let result2 = "unknown 2";
try {
result1 = precisePi();
} catch (e) {
result1 = "err:" + e;
}
try {
result2 = window.precisePi();
} catch (e) {
result2 = "err:" + e;
}
reportPi(result1);
reportPi(result2);
}})();`;
document.documentElement.appendChild(s);
// Inline script ought to run synchronously.
browser.test.assertEq(
3.14,
results[0],
"exportFunction on window should define a global function"
);
browser.test.assertEq(
3.14,
results[1],
"exportFunction on window should export a property to window."
);
browser.test.assertEq(
2,
results.length,
"Expecting the number of results to match the number of method calls"
);
browser.test.notifyPass("export helper test completed");
}
let extensionData = {
manifest: {
content_scripts: [
{
js: ["contentscript.js"],
run_at: "document_start",
},
],
},
files: {
"contentscript.js": contentScript,
},
};
let extension = ExtensionTestUtils.loadExtension(extensionData);
await extension.startup();
let contentPage = await ExtensionTestUtils.loadContentPage(
);
await extension.awaitFinish("export helper test completed");
await contentPage.close();
await extension.unload();
});