Added tests for char tools

Test/Char__MakeUpper.cpp

@@ -0,0 +1,47 @@
+#include <CharTools.h>
+#include "Catch2.h"
+
+TEST_CASE(__FILE__"/LowerToUpper_NoSymbols", "[Char][MakeUpper]")
+{
+    // Setup
+    const std::string in        = "newalbumcowboytearsoutfebruaryiamexcited";
+    const std::string expected  = "NEWALBUMCOWBOYTEARSOUTFEBRUARYIAMEXCITED";
+
+    // Exercise
+    std::string out = in;
+    for (char& c : out)
+        c = CharTools::MakeUpper(c);
+
+    // Verify:
+    REQUIRE(out == expected);
+}
+
+TEST_CASE(__FILE__"/LowerToUpper_Symbols", "[Char][MakeUpper]")
+{
+    // Setup
+    const std::string in        = "new album 'Cowboy Tears' out february 18! i am excited!";
+    const std::string expected  = "NEW ALBUM 'COWBOY TEARS' OUT FEBRUARY 18! I AM EXCITED!";
+
+    // Exercise
+    std::string out = in;
+    for (char& c : out)
+        c = CharTools::MakeUpper(c);
+
+    // Verify:
+    REQUIRE(out == expected);
+}
+
+TEST_CASE(__FILE__"/LowerToUpper_Mixed_And_Symbols", "[Char][MakeUpper]")
+{
+    // Setup
+    const std::string in        = "New album 'Cowboy Tears' out February 18! I am excited!";
+    const std::string expected  = "NEW ALBUM 'COWBOY TEARS' OUT FEBRUARY 18! I AM EXCITED!";
+
+    // Exercise
+    std::string out = in;
+    for (char& c : out)
+        c = CharTools::MakeUpper(c);
+
+    // Verify:
+    REQUIRE(out == expected);
+}