From ca33b89e2ec26355b17e589fb254fa59438c87d8 Mon Sep 17 00:00:00 2001
From: Per Larsson <p3rl@protonmail.com>
Date: Fri, 17 Sep 2021 13:10:12 +0200
Subject: Added helper function for iterating string tokens.

---
 zencore/string.cpp | 40 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)

(limited to 'zencore/string.cpp')

diff --git a/zencore/string.cpp b/zencore/string.cpp
index 8ea10d2a3..ce1b6d675 100644
--- a/zencore/string.cpp
+++ b/zencore/string.cpp
@@ -912,4 +912,44 @@ TEST_CASE("filepath")
 	CHECK(FilepathFindExtension(".txt") == std::string_view(".txt"));
 }
 
+TEST_CASE("string")
+{
+	using namespace std::literals;
+
+	SUBCASE("ForEachStrTok")
+	{
+		const auto		   Tokens			  = "here,is,my,different,tokens"sv;
+		int32_t			   ExpectedTokenCount = 5;
+		int32_t			   TokenCount		  = 0;
+		StringBuilder<512> Sb;
+
+		TokenCount = ForEachStrTok(Tokens, ',', [&Sb](const std::string_view& Token) {
+			if (Sb.Size())
+			{
+				Sb << ",";
+			}
+			Sb << Token;
+			return true;
+		});
+
+		CHECK(TokenCount == ExpectedTokenCount);
+		CHECK(Sb.ToString() == Tokens);
+
+		ExpectedTokenCount = 1;
+		const auto Str	   = "mosdef"sv;
+
+		Sb.Reset();
+		TokenCount = ForEachStrTok(Str, ' ', [&Sb](const std::string_view& Token) {
+			Sb << Token;
+			return true;
+		});
+		CHECK(Sb.ToString() == Str);
+		CHECK(TokenCount == ExpectedTokenCount);
+
+		ExpectedTokenCount = 0;
+		TokenCount		   = ForEachStrTok(""sv, ',', [](const std::string_view&) { return true; });
+		CHECK(TokenCount == ExpectedTokenCount);
+	}
+}
+
 }  // namespace zen
-- 
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