From ca90e97a9da4457790262c53515cb5ab58a2ce4f Mon Sep 17 00:00:00 2001
From: Lexi Winter <lexi@le-fay.org>
Date: Sat, 21 Jun 2025 13:53:10 +0100
Subject: add command_map, skipws, next_word

---
 tests/next_word.cc | 65 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 65 insertions(+)
 create mode 100644 tests/next_word.cc

(limited to 'tests/next_word.cc')

diff --git a/tests/next_word.cc b/tests/next_word.cc
new file mode 100644
index 0000000..4055485
--- /dev/null
+++ b/tests/next_word.cc
@@ -0,0 +1,65 @@
+/*
+ * This source code is released into the public domain.
+ */
+
+#include <locale>
+#include <string>
+
+#include <catch2/catch_test_macros.hpp>
+
+import nihil;
+
+TEST_CASE("next_word: basic", "[next_word]")
+{
+	using namespace std::literals;
+	auto s = "foo bar baz"sv;
+
+	auto words = nihil::next_word(s);
+	REQUIRE(words.first == "foo");
+	REQUIRE(words.second == " bar baz");
+
+	auto word = nihil::next_word(&s);
+	REQUIRE(word == "foo");
+	REQUIRE(s == " bar baz");
+}
+
+TEST_CASE("next_word: multiple spaces", "[next_word]")
+{
+	using namespace std::literals;
+	auto s = "foo  bar  baz"sv;
+
+	auto words = nihil::next_word(s);
+	REQUIRE(words.first == "foo");
+	REQUIRE(words.second == "  bar  baz");
+
+	auto word = nihil::next_word(&s);
+	REQUIRE(word == "foo");
+	REQUIRE(s == "  bar  baz");
+}
+
+TEST_CASE("next_word: leading spaces", "[next_word]")
+{
+	using namespace std::literals;
+	auto s = " \tfoo  bar  baz"sv;
+
+	auto words = nihil::next_word(s);
+	REQUIRE(words.first == "foo");
+	REQUIRE(words.second == "  bar  baz");
+
+	auto word = nihil::next_word(&s);
+	REQUIRE(word == "foo");
+	REQUIRE(s == "  bar  baz");
+}
+
+TEST_CASE("next_word: locale", "[next_word]")
+{
+	using namespace std::literals;
+	auto s = L"\u2003foo\u2003bar\u2003baz"sv;
+
+	auto words = nihil::next_word(s);
+	REQUIRE(words.first == s);
+
+	words = nihil::next_word(s, std::locale("C.UTF-8"));
+	REQUIRE(words.first == L"foo");
+	REQUIRE(words.second == L"\u2003bar\u2003baz");
+}
-- 
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