1 files changed, 34 insertions, 0 deletions
diff --git a/intl/components/gtest/TestCurrency.cpp b/intl/components/gtest/TestCurrency.cpp
new file mode 100644
index 0000000000..c0afcfb326
--- /dev/null
+++ b/intl/components/gtest/TestCurrency.cpp
@@ -0,0 +1,34 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+#include "gtest/gtest.h"
+
+#include "mozilla/intl/Currency.h"
+#include "mozilla/Span.h"
+
+namespace mozilla::intl {
+
+TEST(IntlCurrency, GetISOCurrencies)
+{
+  bool hasUSDollar = false;
+  bool hasEuro = false;
+  constexpr auto usdollar = MakeStringSpan("USD");
+  constexpr auto euro = MakeStringSpan("EUR");
+
+  auto currencies = Currency::GetISOCurrencies().unwrap();
+  for (auto currency : currencies) {
+    // Check a few currencies, as the list may not be stable between ICU
+    // updates.
+    if (currency.unwrap() == usdollar) {
+      hasUSDollar = true;
+    }
+    if (currency.unwrap() == euro) {
+      hasEuro = true;
+    }
+  }
+
+  ASSERT_TRUE(hasUSDollar);
+  ASSERT_TRUE(hasEuro);
+}
+
+}  // namespace mozilla::intl