Test::More

• Test::More provides a handful of test functions
• ok( $this eq $that, $name )
• is( $got, $expected, $name )
• isnt( $got, $expected, $name )
• like( $this, qr/that/, $name )
• unlike( $this, qr/that/, $name )
• is_deeply( $a, $b, $name )
• diag( $text )