1 files changed, 70 insertions, 0 deletions
diff --git a/comm/chat/protocols/irc/test/test_setMode.js b/comm/chat/protocols/irc/test/test_setMode.js
new file mode 100644
index 0000000000..9a329beaa5
--- /dev/null
+++ b/comm/chat/protocols/irc/test/test_setMode.js
@@ -0,0 +1,70 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+var { IMServices } = ChromeUtils.importESModule(
+  "resource:///modules/IMServices.sys.mjs"
+);
+var { ircAccount, ircChannel } = ChromeUtils.importESModule(
+  "resource:///modules/ircAccount.sys.mjs"
+);
+
+IMServices.conversations.initConversations();
+
+function FakeAccount() {
+  this.normalizeNick = ircAccount.prototype.normalizeNick.bind(this);
+}
+FakeAccount.prototype = {
+  __proto__: ircAccount.prototype,
+  setWhois: (n, f) => true,
+  ERROR: do_throw,
+};
+
+function run_test() {
+  add_test(test_topicSettable);
+  add_test(test_topicSettableJoinAsOp);
+
+  run_next_test();
+}
+
+// Test joining a channel, then being set as op.
+function test_topicSettable() {
+  let channel = new ircChannel(new FakeAccount(), "#test", "nick");
+  // We're not in the room yet, so the topic is NOT editable.
+  equal(channel.topicSettable, false);
+
+  // Join the room.
+  channel.getParticipant("nick");
+  // The topic should be editable.
+  equal(channel.topicSettable, true);
+
+  // Receive the channel mode.
+  channel.setMode("+t", [], "ChanServ");
+  // Mode +t means that you need status to set the mode.
+  equal(channel.topicSettable, false);
+
+  // Receive a user mode.
+  channel.setMode("+o", ["nick"], "ChanServ");
+  // Nick is now an op and can set the topic!
+  equal(channel.topicSettable, true);
+
+  run_next_test();
+}
+
+// Test when you join as an op (as opposed to being set to op after joining).
+function test_topicSettableJoinAsOp() {
+  let channel = new ircChannel(new FakeAccount(), "#test", "nick");
+  // We're not in the room yet, so the topic is NOT editable.
+  equal(channel.topicSettable, false);
+
+  // Join the room as an op.
+  channel.getParticipant("@nick");
+  // The topic should be editable.
+  equal(channel.topicSettable, true);
+
+  // Receive the channel mode.
+  channel.setMode("+t", [], "ChanServ");
+  // The topic should still be editable.
+  equal(channel.topicSettable, true);
+
+  run_next_test();
+}