perl scripts to compare outputs of various versions

[mjc2wsl.git] / lib / compare-m-w.pl

diff --git a/lib/compare-m-w.pl b/lib/compare-m-w.pl
new file mode 100644 (file)
index 0000000..737cdb8
--- /dev/null
+++ b/lib/compare-m-w.pl
@@ -0,0 +1,44 @@
+#!/usr/bin/perl
+#
+# test if the outputs are the same from MicroJava and WSL
+
+sub read_file($) {
+  my ($file) = @_;
+  my $in;
+  open($in, $file) or die "Cannot read $file: $!\n";
+  my $data = join("", <$in>);
+  close($in);
+  return($data);
+}
+
+# quit unless we have the correct number of command-line args
+$num_args = $#ARGV + 1;
+if ($num_args != 2) {
+    print "\nUsage: compare-m-w.pl directory base_filename \n";
+    exit;
+}
+
+$dir=@ARGV[0];
+$base=@ARGV[1];
+
+$outm = read_file("$dir/$base.outmj");
+$outw = read_file("$dir/$base.outwsl");
+
+#print "inputs:\n";
+#print "$outm\n--\n$outw\n\n";
+
+#process the MJ output to remove comments
+$outm=~s/Completion took.*$//s;
+
+#process the WSL output to remove comments
+$outw=~s/^.*Starting Execution...//s;
+$outw=~s/^.*?\n.*?\n//s;
+$outw=~s/Execution time:.*//s;
+
+if ($outm eq $outw) {
+               print "$base - OK\n";
+} else {
+               print "$base - difference detected!:\n";
+               print "$outm###\n--\n$outw###\n";
+               die();
+}
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