Add 4 new pactests to get better code coverage by pactest

I started playing around with gcov today and it showed a few places in the
code that we don't test at all. This is the start of ensuring that we
execute most of the code in our codebase.

Signed-off-by: Dan McGee <dan@archlinux.org>

lib/libalpm/add.c

@@ -428,7 +428,7 @@ static int extract_single_file(struct archive *archive,
 				}
 			}
 		}
-		/* else if(S_ISLNK(entrymode)) { */
+		/* else if(S_ISLNK(entrymode)) */
 		/* case 5,8: don't need to do anything special */
 	}
 

lib/libalpm/deps.c

@@ -593,7 +593,7 @@ int _alpm_resolvedeps(pmdb_t *local, alpm_list_t *dbs_sync, pmpkg_t *syncpkg,
 			          missdepstring, miss->target);
 			free(missdepstring);
 			if(data) {
-				MALLOC(miss, sizeof(pmdepmissing_t), 0);
+				MALLOC(miss, sizeof(pmdepmissing_t),/*nothing*/);
 				if(!miss) {
 					pm_errno = PM_ERR_MEMORY;
 					FREELIST(*data);

pactest/tests/pacman001.py

@@ -0,0 +1,5 @@
+self.description = "Test command line option (--version)"
+
+self.args = "--version"
+
+self.addrule("PACMAN_RETCODE=2")

pactest/tests/pacman002.py

@@ -0,0 +1,5 @@
+self.description = "Test command line option (--help)"
+
+self.args = "--help"
+
+self.addrule("PACMAN_RETCODE=2")

pactest/tests/pacman003.py

@@ -0,0 +1,5 @@
+self.description = "Test command line option (-S --help)"
+
+self.args = "-S --help"
+
+self.addrule("PACMAN_RETCODE=2")

pactest/tests/pacman004.py

@@ -0,0 +1,5 @@
+self.description = "Test command line option (-v)"
+
+self.args = "-v"
+
+self.addrule("PACMAN_RETCODE=1")