1 files changed, 55 insertions, 0 deletions
diff --git a/services/sync/tests/unit/test_clients_escape.js b/services/sync/tests/unit/test_clients_escape.js
new file mode 100644
index 0000000000..1c6af9be11
--- /dev/null
+++ b/services/sync/tests/unit/test_clients_escape.js
@@ -0,0 +1,55 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+const { Service } = ChromeUtils.importESModule(
+  "resource://services-sync/service.sys.mjs"
+);
+
+add_task(async function test_clients_escape() {
+  _("Set up test fixtures.");
+
+  await configureIdentity();
+  let keyBundle = Service.identity.syncKeyBundle;
+
+  let engine = Service.clientsEngine;
+
+  try {
+    _("Test that serializing client records results in uploadable ascii");
+    engine.localID = "ascii";
+    engine.localName = "wéävê";
+
+    _("Make sure we have the expected record");
+    let record = await engine._createRecord("ascii");
+    Assert.equal(record.id, "ascii");
+    Assert.equal(record.name, "wéävê");
+
+    _("Encrypting record...");
+    await record.encrypt(keyBundle);
+    _("Encrypted.");
+
+    let serialized = JSON.stringify(record);
+    let checkCount = 0;
+    _("Checking for all ASCII:", serialized);
+    for (let ch of serialized) {
+      let code = ch.charCodeAt(0);
+      _("Checking asciiness of '", ch, "'=", code);
+      Assert.ok(code < 128);
+      checkCount++;
+    }
+
+    _("Processed", checkCount, "characters out of", serialized.length);
+    Assert.equal(checkCount, serialized.length);
+
+    _("Making sure the record still looks like it did before");
+    await record.decrypt(keyBundle);
+    Assert.equal(record.id, "ascii");
+    Assert.equal(record.name, "wéävê");
+
+    _("Sanity check that creating the record also gives the same");
+    record = await engine._createRecord("ascii");
+    Assert.equal(record.id, "ascii");
+    Assert.equal(record.name, "wéävê");
+  } finally {
+    Svc.Prefs.resetBranch("");
+  }
+});