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Test Info:
/* Any copyright is dedicated to the Public Domain.
"use strict";
// Zip files can be opened by Windows explorer, so we should always be able to
// determine a description and default handler for them. However, things can
// get messy if they are sent to us with a mime type other than what Windows
// considers the "right" mimetype (application/x-zip-compressed), like
// application/zip, which is what most places (IANA, macOS, probably all linux
// distros, Apache, etc.) think is the "right" mimetype.
add_task(async function test_check_unknown_mime_type() {
const mimeService = Cc["@mozilla.org/mime;1"].getService(Ci.nsIMIMEService);
let zipType = mimeService.getTypeFromExtension("zip");
Assert.equal(zipType, "application/x-zip-compressed");
try {
let extension = mimeService.getPrimaryExtension("application/zip", "");
Assert.equal(
extension,
"zip",
"Expect our own info to provide an extension for zip files."
);
} catch (ex) {
Assert.ok(false, "We shouldn't throw when getting zip info.");
}
let found = {};
let mimeInfo = mimeService.getMIMEInfoFromOS("application/zip", "zip", found);
Assert.ok(
mimeInfo.hasDefaultHandler,
"Should have a default app for zip files"
);
});