From a92a64f08a28451db480035b281aae9aef2383dd Mon Sep 17 00:00:00 2001
From: itzandroidtab <koen@itzandroidtab.nl>
Date: Sun, 16 Jun 2024 15:07:54 +0200
Subject: [PATCH] added tests for strncpy

---
 klib/string.cpp | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/klib/string.cpp b/klib/string.cpp
index fad59cf..d2435dc 100644
--- a/klib/string.cpp
+++ b/klib/string.cpp
@@ -79,6 +79,28 @@ TEST_CASE("klib strcpy", "[klib::string]") {
     REQUIRE(std::string(buffer) == "hello world");
 }
 
+TEST_CASE("klib strncpy", "[klib::string]") {
+    char buffer[32];
+    klib::string::strncpy(buffer, "", sizeof(buffer));
+    REQUIRE(std::string(buffer) == "");
+
+    klib::string::strncpy(buffer, "hello world", sizeof(buffer));
+    REQUIRE(std::string(buffer) == "hello world");
+
+    std::fill_n(buffer, sizeof(buffer), 0x00);
+    klib::string::strncpy(buffer, "hello world", 0);
+    REQUIRE(std::string(buffer) == "");
+
+    buffer[0] = 'a';
+    buffer[1] = 'b';
+    buffer[2] = 'c';
+
+    klib::string::strncpy(buffer, "hello world", 0);
+    REQUIRE(buffer[0] == 'a');
+    REQUIRE(buffer[1] == 'b');
+    REQUIRE(buffer[2] == 'c');
+}
+
 TEST_CASE("klib strcat", "[klib::string]") {
     char buffer[32] = "hello";
     klib::string::strcat(buffer, "");