--- /dev/null
+#!/usr/bin/perl
+# vim: set ft=perl:
+
+use strict;
+
+use File::Spec::Functions qw(catfile updir tmpdir);
+use File::Temp qw(tempfile);
+use FindBin qw($Bin);
+use Test::More;
+
+my @script = qw(blib script sqlt-diff);
+my @create1 = qw(data sqlite create.sql);
+my @create2 = qw(data sqlite create2.sql);
+
+my $sqlt_diff = (-d "blib")
+ ? catfile($Bin, updir, @script)
+ : catfile($Bin, @script);
+
+my $create1 = (-d "t")
+ ? catfile($Bin, @create1)
+ : catfile($Bin, "t", @create1);
+
+my $create2 = (-d "t")
+ ? catfile($Bin, @create2)
+ : catfile($Bin, "t", @create2);
+
+plan tests => 2;
+
+ok(-e $sqlt_diff);
+my @cmd = ($sqlt_diff, "$create1=SQLite", "$create2=SQLite");
+
+close STDERR;
+my $out = `@cmd`;
+
+like($out, qr/ is missing field/, "Detected missing field 'lemon'");