Usability cleanup

- Error check on missing test description file instead of throwing
  json exception
- Removed outdated help option

Signed-off-by: Jared Smolens <jared.smolens@arm.com>
Change-Id: Ia8780a88f4306af19ce63eaa679c84669f5c2ad9

1 files changed, 6 insertions, 1 deletions

diff --git a/reference_model/src/main.cpp b/reference_model/src/main.cpp
index 9a775fb..ae76cd5 100644
--- a/reference_model/src/main.cpp
+++ b/reference_model/src/main.cpp
@@ -1,5 +1,5 @@
 
-// Copyright (c) 2020, ARM Limited.
+// Copyright (c) 2020-2022, ARM Limited.
 //
 //    Licensed under the Apache License, Version 2.0 (the "License");
 //    you may not use this file except in compliance with the License.
@@ -401,6 +401,11 @@ int initTestDesc(json& test_desc)
             return 1;
         }
     }
+    else
+    {
+        WARNING("Cannot open input file: %s", g_func_config.test_desc);
+        return 1;
+    }
 
     // Overwrite flatbuffer_dir/output_dir with dirname(g_func_config.test_desc) if it's not specified.
     std::string flatbuffer_dir_str(g_func_config.flatbuffer_dir);