1 files changed, 34 insertions, 0 deletions
diff --git a/intl/components/gtest/TestNumberParser.cpp b/intl/components/gtest/TestNumberParser.cpp
new file mode 100644
index 0000000000..3995295913
--- /dev/null
+++ b/intl/components/gtest/TestNumberParser.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/NumberParser.h"
+
+namespace mozilla::intl {
+
+TEST(IntlNumberParser, Basic)
+{
+  // Try with an English locale
+  UniquePtr<NumberParser> np = NumberParser::TryCreate("en-US", true).unwrap();
+  auto result = np->ParseDouble(MakeStringSpan(u"1,234.56"));
+  ASSERT_TRUE(result.isOk());
+  ASSERT_EQ(result.unwrap().first, 1234.56);
+  ASSERT_EQ(result.unwrap().second, 8);
+
+  // Disable grouping, parsing will stop at the first comma
+  np = NumberParser::TryCreate("en-US", false).unwrap();
+  result = np->ParseDouble(MakeStringSpan(u"1,234.56"));
+  ASSERT_TRUE(result.isOk());
+  ASSERT_EQ(result.unwrap().first, 1);
+  ASSERT_EQ(result.unwrap().second, 1);
+
+  // Try with a Spanish locale
+  np = NumberParser::TryCreate("es-CR", true).unwrap();
+  result = np->ParseDouble(MakeStringSpan(u"1234,56"));
+  ASSERT_TRUE(result.isOk());
+  ASSERT_EQ(result.unwrap().first, 1234.56);
+  ASSERT_EQ(result.unwrap().second, 7);
+}
+
+}  // namespace mozilla::intl