1 files changed, 45 insertions, 0 deletions
diff --git a/tests/skipws.cc b/tests/skipws.cc
new file mode 100644
index 0000000..2159e2e
--- /dev/null
+++ b/tests/skipws.cc
@@ -0,0 +1,45 @@
+/*
+ * This source code is released into the public domain.
+ */
+
+#include <locale>
+#include <string>
+using namespace std::literals;
+
+#include <catch2/catch_test_macros.hpp>
+
+import nihil;
+
+TEST_CASE("skipws: basic", "[skipws]")
+{
+	REQUIRE(nihil::skipws("foo"sv) == "foo");
+	REQUIRE(nihil::skipws("   foo"sv) == "foo");
+	REQUIRE(nihil::skipws("foo "sv) == "foo ");
+	REQUIRE(nihil::skipws("foo bar"sv) == "foo bar");
+}
+
+TEST_CASE("skipws: pointer", "[skipws]")
+{
+	auto s = "foo"sv;
+	nihil::skipws(&s);
+	REQUIRE(s == "foo");
+
+	s = "   foo"sv;
+	nihil::skipws(&s);
+	REQUIRE(s == "foo");
+
+	s = "foo "sv;
+	nihil::skipws(&s);
+	REQUIRE(s == "foo ");
+
+	s = "foo bar"sv;
+	nihil::skipws(&s);
+	REQUIRE(s == "foo bar");
+}
+
+TEST_CASE("skipws: locale", "[skipws]")
+{
+	// Assume the default locale is C.
+	REQUIRE(nihil::skipws(L"\u2003foo"sv) == L"\u2003foo");
+	REQUIRE(nihil::skipws(L"\u2003foo"sv, std::locale("C.UTF-8")) == L"foo");
+}