Fix non-standard test feature test collection. I.e. make the feature

collection no rely on implementioned defined behaviour. And fix check
program handling of no-expression invocations vs expression invocations.

test/predef_info.h

@@ -0,0 +1,46 @@
+/*
+Copyright Rene Rivera 2011-2015
+Distributed under the Boost Software License, Version 1.0.
+(See accompanying file LICENSE_1_0.txt or copy at
+http://www.boost.org/LICENSE_1_0.txt)
+*/
+#include <boost/predef/detail/test_def.h>
+
+int main(int argc, const char ** argv)
+{
+    unsigned x = 0;
+    create_predef_entries();
+    qsort(generated_predef_info,generated_predef_info_count,
+        sizeof(predef_info),predef_info_compare);
+    /*
+    for (x = 0; x < generated_predef_info_count; ++x)
+    {
+        printf("%s: %d\n", generated_predef_info[x].name, generated_predef_info[x].value);
+    }
+    */
+    puts("** Detected **");
+    for (x = 0; x < generated_predef_info_count; ++x)
+    {
+        if (generated_predef_info[x].value > 0)
+            printf("%s = %u (%u,%u,%u) | %s\n",
+                generated_predef_info[x].name,
+                generated_predef_info[x].value,
+                (generated_predef_info[x].value/10000000)%100,
+                (generated_predef_info[x].value/100000)%100,
+                (generated_predef_info[x].value)%100000,
+                generated_predef_info[x].description);
+    }
+    puts("** Not Detected **");
+    for (x = 0; x < generated_predef_info_count; ++x)
+    {
+        if (generated_predef_info[x].value == 0)
+            printf("%s = %u | %s\n",
+                generated_predef_info[x].name,
+                generated_predef_info[x].value,
+                generated_predef_info[x].description);
+    }
+    if (generated_predef_info_count > 0)
+        return 0;
+    else
+        return 1;
+}