Use caseless string comparison for Demos test name matching

util/test/demos/main.cpp

@@ -40,6 +40,12 @@
 #define NK_ASSERT(expr) TEST_ASSERT(expr, "nuklear assertion failed")
 #include "3rdparty/nuklear/nuklear.h"
 
+static void ToLower(std::string &str)
+{
+  for(char &c : str)
+    c = tolower(c);
+}
+
 #if defined(WIN32)
 
 #define NK_GDI_IMPLEMENTATION
@@ -480,9 +486,13 @@ Usage: %s Test_Name [test_options]
   bool validTestArg = false;
   if(argc >= 2)
   {
+    std::string match(argv[1]);
+    ToLower(match);
     for(const TestMetadata &test : tests)
     {
-      if(!strcmp(test.Name, argv[1]))
+      std::string name(test.Name);
+      ToLower(name);
+      if(name == match)
       {
         validTestArg = true;
         break;
@@ -673,9 +683,12 @@ Usage: %s Test_Name [test_options]
   SetUnhandledExceptionFilter(&exceptionHandler);
 #endif
 
+  ToLower(testchoice);
   for(const TestMetadata &test : tests)
   {
-    if(testchoice == test.Name)
+    std::string name(test.Name);
+    ToLower(name);
+    if(testchoice == name)
     {
       TEST_LOG("Running '%s'", test.Name);
       test.test->Prepare(argc, argv);