From b86059ba5c714076bb023aa6f4ca80fdc6a4d3eb Mon Sep 17 00:00:00 2001
From: anuran <anuranroy02@gmail.com>
Date: Mon, 4 Oct 2021 03:12:21 +0530
Subject: [PATCH] Added a few test cases

---
 search/text_search.cpp | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/search/text_search.cpp b/search/text_search.cpp
index ece2ef6d5..0eaa152d8 100644
--- a/search/text_search.cpp
+++ b/search/text_search.cpp
@@ -14,7 +14,7 @@
 /** Main function
  */
 
-std::string lower(std::string word) {
+std::string lower(std::string word) {  // convert a C++ string to lowercase
     int length = word.length();
     std::string lc = "";
 
@@ -25,7 +25,11 @@ std::string lower(std::string word) {
     return lc;
 }
 
-void test() { assert(lower("abcd").compare("abcd") == 0); }
+void test() {
+    assert(lower("abcd").compare("abcd") == 0);
+    assert(lower("abc").compare("abcd") == -1);
+    assert(lower("abcd").compare("abc") == 1);
+}
 
 int main() {
     test();  // Testing the lower() function.