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/* -*- Mode: indent-tabs-mode: nil; js-indent-level: 2 -*- */
/* vim: set sts=2 sw=2 et tw=80: */
"use strict";
add_task(function* test_sendMessage_error() {
async function background() {
let circ = {};
circ.circ = circ;
let testCases = [
// [arguments, expected error string],
[[], "runtime.sendMessage's message argument is missing"],
[[null, null, null, null], "runtime.sendMessage's last argument is not a function"],
[[null, null, 1], "runtime.sendMessage's options argument is invalid"],
[[1, null, null], "runtime.sendMessage's extensionId argument is invalid"],
[[null, null, null, null, null], "runtime.sendMessage received too many arguments"],
// Even when the parameters are accepted, we still expect an error
// because there is no onMessage listener.
[[null, null, null], "Could not establish connection. Receiving end does not exist."],
// Structural cloning doesn't work with DOM but we fall back
// JSON serialization, so we don't expect another error.
[[null, location, null], "Could not establish connection. Receiving end does not exist."],
// Structured cloning supports cyclic self-references.
[[null, [circ, location], null], "cyclic object value"],
// JSON serialization does not support cyclic references.
[[null, circ, null], "Could not establish connection. Receiving end does not exist."],
// (the last two tests shows whether sendMessage is implemented as structured cloning).
];
// Repeat all tests with the undefined value instead of null.
for (let [args, expectedError] of testCases.slice()) {
args = args.map(arg => arg === null ? undefined : arg);
testCases.push([args, expectedError]);
}
for (let [args, expectedError] of testCases) {
let description = `runtime.sendMessage(${args.map(String).join(", ")})`;
await browser.test.assertRejects(
browser.runtime.sendMessage(...args),
expectedError,
`expected error message for ${description}`);
}
browser.test.notifyPass("sendMessage parameter validation");
}
let extensionData = {
background,
};
let extension = ExtensionTestUtils.loadExtension(extensionData);
yield extension.startup();
yield extension.awaitFinish("sendMessage parameter validation");
yield extension.unload();
});
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