| 1 | #!./perl |
| 2 | |
| 3 | BEGIN { |
| 4 | chdir 't' if -d 't'; |
| 5 | @INC = '../lib'; |
| 6 | } |
| 7 | |
| 8 | use Test::More tests => 12; |
| 9 | |
| 10 | # open::import expects 'open' as its first argument, but it clashes with open() |
| 11 | sub import { |
| 12 | open::import( 'open', @_ ); |
| 13 | } |
| 14 | |
| 15 | # can't use require_ok() here, with a name like 'open' |
| 16 | ok( require 'open.pm', 'requiring open' ); |
| 17 | |
| 18 | # this should fail |
| 19 | eval { import() }; |
| 20 | like( $@, qr/needs explicit list of disciplines/, |
| 21 | 'import should fail without args' ); |
| 22 | |
| 23 | # the hint bits shouldn't be set yet |
| 24 | is( $^H & $open::hint_bits, 0, |
| 25 | 'hint bits should not be set in $^H before open import' ); |
| 26 | |
| 27 | # prevent it from loading I18N::Langinfo, so we can test encoding failures |
| 28 | local @INC; |
| 29 | $ENV{LC_ALL} = $ENV{LANG} = ''; |
| 30 | eval { import( 'IN', 'locale' ) }; |
| 31 | like( $@, qr/Cannot figure out an encoding/, |
| 32 | 'no encoding should be found without $ENV{LANG} or $ENV{LC_ALL}' ); |
| 33 | |
| 34 | my $warn; |
| 35 | local $SIG{__WARN__} = sub { |
| 36 | $warn .= shift; |
| 37 | }; |
| 38 | |
| 39 | # and it shouldn't be able to find this discipline |
| 40 | eval{ import( 'IN', 'macguffin' ) }; |
| 41 | like( $warn, qr/Unknown discipline layer/, |
| 42 | 'should warn about unknown discipline with bad discipline provided' ); |
| 43 | |
| 44 | # now load a real-looking locale |
| 45 | $ENV{LC_ALL} = ' .utf8'; |
| 46 | import( 'IN', 'locale' ); |
| 47 | is( ${^OPEN}, ':utf8\0', |
| 48 | 'should set a valid locale layer' ); |
| 49 | |
| 50 | # and see if it sets the magic variables appropriately |
| 51 | import( 'IN', ':crlf' ); |
| 52 | ok( $^H & $open::hint_bits, |
| 53 | 'hint bits should be set in $^H after open import' ); |
| 54 | is( $^H{'open_IN'}, 'crlf', 'should have set crlf layer' ); |
| 55 | |
| 56 | # it should reset them appropriately, too |
| 57 | import( 'IN', ':raw' ); |
| 58 | is( $^H{'open_IN'}, 'raw', 'should have reset to raw layer' ); |
| 59 | |
| 60 | # it dies if you don't set IN, OUT, or INOUT |
| 61 | eval { import( 'sideways', ':raw' ) }; |
| 62 | like( $@, qr/Unknown discipline class/, 'should croak with unknown class' ); |
| 63 | |
| 64 | # but it handles them all so well together |
| 65 | import( 'INOUT', ':raw :crlf' ); |
| 66 | is( ${^OPEN}, ':raw :crlf\0:raw :crlf', |
| 67 | 'should set multi types, multi disciplines' ); |
| 68 | is( $^H{'open_INOUT'}, 'crlf', 'should record last layer set in %^H' ); |
| 69 | |
| 70 | __END__ |
| 71 | # this one won't run as $locale_encoding is already set |
| 72 | # perhaps qx{} it, if it's important to run |
| 73 | $ENV{LC_ALL} = 'nonexistent.euc'; |
| 74 | eval { open::_get_locale_encoding() }; |
| 75 | like( $@, qr/too ambiguous/, 'should die with ambiguous locale encoding' ); |