1 files changed, 51 insertions, 0 deletions
diff --git a/dom/indexedDB/test/unit/test_URLSearchParams.js b/dom/indexedDB/test/unit/test_URLSearchParams.js
new file mode 100644
index 0000000000..9227898963
--- /dev/null
+++ b/dom/indexedDB/test/unit/test_URLSearchParams.js
@@ -0,0 +1,51 @@
+/*
+  Any copyright is dedicated to the Public Domain.
+  http://creativecommons.org/publicdomain/zero/1.0/
+*/
+
+/* exported testSteps */
+async function testSteps() {
+  const name = "URLSearchParams";
+  const options = { foo: "bar", baz: "bar" };
+  const params = new URLSearchParams(options);
+  const value = { urlSearchParams: params };
+  const key = 42;
+
+  info("Clearing");
+
+  let request = clearAllDatabases();
+  await requestFinished(request);
+
+  info("Installing package");
+
+  // The profile contains an IndexedDB database containing URLSearchParams.
+  // The file make_URLSearchParams.js was run locally, specifically it was
+  // temporarily enabled in xpcshell-parent-process.toml  and then executed:
+  // mach test --interactive dom/indexedDB/test/unit/make_URLSearchParams.js
+  installPackagedProfile("URLSearchParams_profile");
+
+  info("Opening database");
+
+  request = indexedDB.open(name);
+  await requestSucceeded(request);
+
+  const database = request.result;
+
+  info("Getting value");
+
+  request = database.transaction([name]).objectStore(name).get(key);
+  await requestSucceeded(request);
+
+  info("Verifying value");
+
+  Assert.deepEqual(request.result, value, "Value is correctly structured");
+
+  ok(
+    request.result.urlSearchParams instanceof URLSearchParams,
+    "Value urlSearchParams property is an instance of URLSearchParams"
+  );
+
+  info("Closing database");
+
+  database.close();
+}