notcurses-tester: accept -l to enable all logging

doc/man/man1/notcurses-tester.1.md

@@ -8,7 +8,7 @@ notcurses-tester - Notcurses unit testing
 
 # SYNOPSIS
 
-**notcurses-tester** [**-p datadir**]
+**notcurses-tester** [**-p datadir**] [**-l**]
 
 # DESCRIPTION
 
@@ -18,7 +18,12 @@ if these are in an irregular location, supply **-p**.
 
 # OPTIONS
 
+**-p** ***path***: Look in the specified ***path*** for data files.
+
+**-l**: Enable all possible diagnostics/logging.
+
 # NOTES
+
 Valid **TERM** and **LANG** environment variables are necessary for
 **notcurses-tester**'s correct operation.
 

src/lib/render.c

@@ -140,6 +140,8 @@ highcontrast(uint32_t bchannel){
 }
 
 // wants coordinates within the sprixel, not absolute
+// FIXME if plane is not wholly on-screen, probably need to toss plane,
+// at least for this rendering cycle
 static void
 paint_sprixel(const ncplane* p, const nccell* vis, struct crender* crender,
               int y, int x){

src/tests/main.cpp

@@ -12,13 +12,14 @@
 #include <filesystem>
 #include <langinfo.h>
 
-static const char* datadir = NOTCURSES_SHARE;
+const char* datadir = NOTCURSES_SHARE;
+ncloglevel_e loglevel = NCLOGLEVEL_SILENT;
 
 auto testing_notcurses() -> struct notcurses* {
   notcurses_options nopts{};
-  // FIXME get loglevel from command line. enabling it by default leads to
+  // get loglevel from command line. enabling it by default leads to
   // more confusion than useful information, so leave it off by default.
-  //nopts.loglevel = NCLOGLEVEL_TRACE;
+  nopts.loglevel = loglevel;
   nopts.flags = NCOPTION_SUPPRESS_BANNERS | NCOPTION_NO_ALTERNATE_SCREEN;
   auto nc = notcurses_init(&nopts, nullptr);
   return nc;
@@ -39,6 +40,8 @@ handle_opts(const char** argv){
       inarg = false;
     }else if(strcmp(*argv, "-p") == 0){
       inarg = true;
+    }else if(strcmp(*argv, "-l") == 0){
+      loglevel = NCLOGLEVEL_TRACE;
     }
     ++argv;
   }