1 files changed, 33 insertions, 0 deletions
diff --git a/ipc/testshell/tests/test_ipcshell.js b/ipc/testshell/tests/test_ipcshell.js
new file mode 100644
index 0000000000..44bd0c3bb0
--- /dev/null
+++ b/ipc/testshell/tests/test_ipcshell.js
@@ -0,0 +1,33 @@
+// eslint-disable-next-line mozilla/use-services
+const runtime = Cc["@mozilla.org/xre/app-info;1"].getService(Ci.nsIXULRuntime);
+
+function callback(result) {
+  Assert.equal(result, Ci.nsIXULRuntime.PROCESS_TYPE_CONTENT);
+  do_test_finished();
+}
+
+function run_test() {
+  do_test_pending();
+
+  Assert.equal(runtime.processType, Ci.nsIXULRuntime.PROCESS_TYPE_DEFAULT);
+
+  sendCommand("load('test_ipcshell_child.js');");
+
+  sendCommand("runtime.processType;", callback);
+
+  [
+    ["C", "D"],
+    ["D", "C"],
+    ["\u010C", "D"],
+    ["D", "\u010C"],
+  ].forEach(function(pair) {
+    do_test_pending();
+    var cmp = pair[0].localeCompare(pair[1]);
+    sendCommand("'" + pair[0] + "'.localeCompare('" + pair[1] + "');", function(
+      result
+    ) {
+      Assert.equal(cmp, result);
+      do_test_finished();
+    });
+  });
+}