X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=grading%2Fuserprog%2Frun-tests;h=ec185eebd47194f213ee97c82fc84995e6af7d99;hb=415941c1e0a6fc5ce263d8355fde980239c0f844;hp=3019d30c5d4a7dcacbcc5698f443a7dbb715c956;hpb=fbea5921d53e698fee2014995cdb13ddb67a982f;p=pintos-anon

diff --git a/grading/userprog/run-tests b/grading/userprog/run-tests
index 3019d30..ec185ee 100755
--- a/grading/userprog/run-tests
+++ b/grading/userprog/run-tests
@@ -20,6 +20,14 @@ our ($test);
 our (%extra);
 our ($action);
 
+if ($#ARGV == 0 && $ARGV[0] eq 'null') {
+    @TESTS = ('null');
+    extract_sources ();
+    build ();
+    run_and_grade_tests ();
+    exit success ();
+}
+
 parse_cmd_line qw (args-argc args-argv0 args-argvn args-single args-multiple
 		   args-dbl-space
 		   sc-bad-sp sc-bad-arg sc-boundary
@@ -38,9 +46,6 @@ parse_cmd_line qw (args-argc args-argv0 args-argvn args-single args-multiple
 		   join-simple join-twice join-killed join-bad-pid
 		   multi-recurse multi-oom multi-child-fd);
 
-# Default set of tests.
-@TESTS =  unless @TESTS > 0;
-
 clean_dir (), exit if $action eq 'clean';
 
 extract_sources (); 
@@ -52,10 +57,10 @@ exit if $action eq 'build';
 run_and_grade_tests (); 
 write_grades (); 
 write_details ();
-exit if $action eq 'test';
+exit success () if $action eq 'test';
 
 assemble_final_grade ();
-exit if $action eq 'assemble';
+exit success () if $action eq 'assemble';
 
 die "Don't know how to '$action'";