diff options
Diffstat (limited to 'toolkit/components/extensions/test/xpcshell/test_ext_runtime_sendMessage_errors.js')
-rw-r--r-- | toolkit/components/extensions/test/xpcshell/test_ext_runtime_sendMessage_errors.js | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/toolkit/components/extensions/test/xpcshell/test_ext_runtime_sendMessage_errors.js b/toolkit/components/extensions/test/xpcshell/test_ext_runtime_sendMessage_errors.js new file mode 100644 index 000000000..f1a8d5a36 --- /dev/null +++ b/toolkit/components/extensions/test/xpcshell/test_ext_runtime_sendMessage_errors.js @@ -0,0 +1,59 @@ +/* -*- 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(); +}); |