diff --git a/dom/quota/test/xpcshell/test_listCachedOrigins.js b/dom/quota/test/xpcshell/test_listCachedOrigins.js
new file mode 100644
index 000000000000..4deb33c99040
--- /dev/null
+++ b/dom/quota/test/xpcshell/test_listCachedOrigins.js
@@ -0,0 +1,113 @@
+/**
+ * Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/
+ */
+
+const { PrincipalUtils } = ChromeUtils.importESModule(
+  "resource://testing-common/dom/quota/test/modules/PrincipalUtils.sys.mjs"
+);
+const { QuotaUtils } = ChromeUtils.importESModule(
+  "resource://testing-common/dom/quota/test/modules/QuotaUtils.sys.mjs"
+);
+
+async function testSteps() {
+  const origins = [
+    "https://example.com",
+    "https://localhost",
+    "https://www.mozilla.org",
+  ];
+
+  function verifyResult(result, expectedOrigins) {
+    ok(Array.isArray(result), "Got an array object");
+    Assert.equal(
+      result.length,
+      expectedOrigins.length,
+      "Correct number of elements"
+    );
+
+    info("Sorting elements");
+
+    result.sort(function (a, b) {
+      if (a < b) {
+        return -1;
+      }
+      if (a > b) {
+        return 1;
+      }
+      return 0;
+    });
+
+    info("Verifying elements");
+
+    for (let i = 0; i < result.length; i++) {
+      Assert.equal(
+        result[i],
+        expectedOrigins[i],
+        "Result matches expected origin"
+      );
+    }
+  }
+
+  info("Clearing");
+
+  {
+    const request = Services.qms.clear();
+    await QuotaUtils.requestFinished(request);
+  }
+
+  info("Listing cached origins");
+
+  const originsBeforeInit = await (async function () {
+    const request = Services.qms.listCachedOrigins();
+    const result = await QuotaUtils.requestFinished(request);
+    return result;
+  })();
+
+  info("Verifying result");
+
+  verifyResult(originsBeforeInit, []);
+
+  info("Clearing");
+
+  {
+    const request = Services.qms.clear();
+    await QuotaUtils.requestFinished(request);
+  }
+
+  info("Initializing");
+
+  {
+    const request = Services.qms.init();
+    await QuotaUtils.requestFinished(request);
+  }
+
+  info("Initializing temporary storage");
+
+  {
+    const request = Services.qms.initTemporaryStorage();
+    await QuotaUtils.requestFinished(request);
+  }
+
+  info("Initializing origins");
+
+  for (const origin of origins) {
+    const request = Services.qms.initializeTemporaryOrigin(
+      "default",
+      PrincipalUtils.createPrincipal(origin),
+      /* aCreateIfNonExistent */ true
+    );
+    await QuotaUtils.requestFinished(request);
+  }
+
+  info("Listing cached origins");
+
+  const originsAfterInit = await (async function () {
+    const request = Services.qms.listCachedOrigins();
+    const result = await QuotaUtils.requestFinished(request);
+    return result;
+  })();
+
+  info("Verifying result");
+
+  verifyResult(originsAfterInit, origins);
+}
diff --git a/dom/quota/test/xpcshell/xpcshell.toml b/dom/quota/test/xpcshell/xpcshell.toml
index 92f0ca4d6d0e..ab4c27dd542a 100644
--- a/dom/quota/test/xpcshell/xpcshell.toml
+++ b/dom/quota/test/xpcshell/xpcshell.toml
@@ -89,6 +89,8 @@ skip-if = ["condprof"] # frequent perma fail, then goes away.
 
 ["test_initializeTemporaryOrigin.js"]
 
+["test_listCachedOrigins.js"]
+
 ["test_listOrigins.js"]
 
 ["test_originEndsWithDot.js"]