Skip crc32 test if 'cksum' is not present for comparison (e.g. SkyOS)

src/test-harness/tests/crc32.pm

@@ -28,39 +28,46 @@ sub initialize() {
 #
 sub run() {
 
-  my $twpassed = 1;
+    my $twpassed = 1;
 
-  twtools::logStatus("*** Beginning $description\n");
-  printf("%-30s", "-- $description");
+    twtools::logStatus("*** Beginning $description\n");
+    printf("%-30s", "-- $description");
 
-  # lets see if the system 'cksum' agree's with siggen's crc32 value
-  #
-  my ($crc32, undef) = split(/ /, `cksum $twtools::twrootdir/test`);
-  my $siggen = `$twtools::twrootdir/bin/siggen -h -t -C $twtools::twrootdir/test`;
+    # lets see if the system 'cksum' agree's with siggen's crc32 value
+    #
+    my ($crc32, undef) = split(/ /, `cksum $twtools::twrootdir/test`);
 
-  chomp $crc32;
-  chomp $siggen;
+    if ($crc32 eq "") {
+        ++$twtools::twskippedtests;
+        print "SKIPPED\n";
+        return;
+    }
 
-  # cksum issues results in decimal, so get siggen's result in base10.
-  $siggen = hex($siggen);
+    my $siggen = `$twtools::twrootdir/bin/siggen -h -t -C $twtools::twrootdir/test`;
 
-  twtools::logStatus(" cksum reports: $crc32\n");
-  twtools::logStatus("siggen reports: $siggen\n");
+    chomp $crc32;
+    chomp $siggen;
 
-  $twpassed = ($crc32 eq $siggen);
+    # cksum issues results in decimal, so get siggen's result in base10.
+    $siggen = hex($siggen);
 
-  #########################################################
-  #
-  # See if the tests all succeeded...
-  #
-  if ($twpassed) {
+    twtools::logStatus(" cksum reports: $crc32\n");
+    twtools::logStatus("siggen reports: $siggen\n");
+
+    $twpassed = ($crc32 eq $siggen);
+
+    #########################################################
+    #
+    # See if the tests all succeeded...
+    #
+    if ($twpassed) {
       print "PASSED\n";
       ++$twtools::twpassedtests;
-  }
-  else {
+    }
+    else {
       ++$twtools::twfailedtests;
       print "*FAILED*\n";
-  }
+    }
 }