1 files changed, 48 insertions, 0 deletions
diff --git a/nihil.core/skipws.test.cc b/nihil.core/skipws.test.cc
new file mode 100644
index 0000000..c8163ae
--- /dev/null
+++ b/nihil.core/skipws.test.cc
@@ -0,0 +1,48 @@
+// This source code is released into the public domain.
+
+#include <catch2/catch_test_macros.hpp>
+
+import nihil.std;
+import nihil.core;
+
+namespace {
+TEST_CASE("skipws: basic", "[skipws]")
+{
+	using namespace std::literals;
+
+	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]")
+{
+	using namespace std::literals;
+
+	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]")
+{
+	using namespace std::literals;
+
+	// 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");
+}
+} // anonymous namespace