>From 252403a2a937c15ccbfd86cde5ab1fe64aaacd4d Mon Sep 17 00:00:00 2001
From: Vadim Zeitlin <address@hidden>
Date: Mon, 17 Nov 2014 02:38:07 +0100
Subject: [PATCH] Give correct usage message if the GUI test is ran with
 --help option.

Handle "--help" command line option in the GUI test itself instead of just
passing it through to the main LMI code in order to give help about the
test-specific options such as "--list" and "--test".
---
 main_wx_test.cpp |   25 ++++++++++++++++++++++++-
 1 files changed, 24 insertions(+), 1 deletions(-)

diff --git a/main_wx_test.cpp b/main_wx_test.cpp
index d24e9b6..d3da655 100644
--- a/main_wx_test.cpp
+++ b/main_wx_test.cpp
@@ -159,7 +159,7 @@ class application_test
     //
     // Return false if the program execution shouldn't continue, currently this
     // is only the case if the "list" option was specified requesting just to
-    // list the available tests.
+    // list the available tests or if the standard "help" option was given.
     bool process_command_line(int& argc, char* argv[]);
 
     // Run all the tests that were configured to be executed (all by default).
@@ -325,6 +325,29 @@ bool application_test::process_command_line(int& argc, char* argv[])
             last_test_option = arg;
             remove_arg(n, argc, argv);
             }
+        else if
+            (
+               0 == std::strcmp(arg, "-h")
+            || 0 == std::strcmp(arg, "--help")
+            )
+            {
+            warning()
+                << "This is LMI GUI unit testing runner.\n"
+                   "\n"
+                   "Usage: "
+                << argv[0]
+                << "\n"
+                   "  -h,	--help   	display this help and exit\n"
+                   "  -l,	--list   	list all available tests and exit\n"
+                   "  -t <name> or   	run only the specified test (all\n"
+                   "  --test <name>  	tests are run by default); may be given\n"
+                   "     	         	multiple times)\n"
+                   "\n"
+                   "Additionally, all command line options supported by the\n"
+                   "main LMI executable are also supported."
+                << std::flush;
+            return false;
+            }
         else
             {
             n++;
-- 
1.7.9