4 if( $ENV{PERL_CORE} ) {
16 # ModuleName => q| code to check that it was loaded |,
17 'Cwd' => q| ::is( ref Cwd->can('fastcwd'),'CODE' ) |, # 5.7 ?
18 'File::Glob' => q| ::is( ref File::Glob->can('doglob'),'CODE' ) |, # 5.6
19 'SDBM_File' => q| ::is( ref SDBM_File->can('TIEHASH'), 'CODE' ) |, # 5.0
20 'Socket' => q| ::is( ref Socket->can('inet_aton'),'CODE' ) |, # 5.0
21 'Time::HiRes'=> q| ::is( ref Time::HiRes->can('usleep'),'CODE' ) |, # 5.7.3
24 plan tests => 27 + keys(%modules) * 2;
27 # Try to load the module
28 use_ok( 'DynaLoader' );
32 can_ok( 'DynaLoader' => 'bootstrap' ); # defined in Perl section
33 can_ok( 'DynaLoader' => 'dl_error' ); # defined in XS section
34 can_ok( 'DynaLoader' => 'dl_find_symbol' ); # defined in XS section
35 can_ok( 'DynaLoader' => 'dl_install_xsub' ); # defined in XS section
36 can_ok( 'DynaLoader' => 'dl_load_file' ); # defined in XS section
37 can_ok( 'DynaLoader' => 'dl_load_flags' ); # defined in Perl section
38 can_ok( 'DynaLoader' => 'dl_undef_symbols' ); # defined in XS section
40 skip "unloading unsupported on $^O", 1 if ($^O eq 'VMS' || $^O eq 'darwin');
41 can_ok( 'DynaLoader' => 'dl_unload_file' ); # defined in XS section
45 local $TODO = "Test::More::can_ok() seems to have trouble dealing with AutoLoaded functions";
46 can_ok( 'DynaLoader' => 'dl_expandspec' ); # defined in AutoLoaded section
47 can_ok( 'DynaLoader' => 'dl_findfile' ); # defined in AutoLoaded section
48 can_ok( 'DynaLoader' => 'dl_find_symbol_anywhere' ); # defined in AutoLoaded section
52 # Check error messages
54 eval { DynaLoader::bootstrap() };
55 like( $@, q{/^Usage: DynaLoader::bootstrap\(module\)/},
56 "calling DynaLoader::bootstrap() with no argument" );
58 eval { package egg_bacon_sausage_and_spam; DynaLoader::bootstrap("egg_bacon_sausage_and_spam") };
59 like( $@, q{/^Can't locate loadable object for module egg_bacon_sausage_and_spam/},
60 "calling DynaLoader::bootstrap() with a package without binary object" );
62 # .. for dl_load_file()
63 eval { DynaLoader::dl_load_file() };
64 like( $@, q{/^Usage: DynaLoader::dl_load_file\(filename, flags=0\)/},
65 "calling DynaLoader::dl_load_file() with no argument" );
67 eval { no warnings 'uninitialized'; DynaLoader::dl_load_file(undef) };
68 is( $@, '', "calling DynaLoader::dl_load_file() with undefined argument" ); # is this expected ?
70 my ($dlhandle, $dlerr);
71 eval { $dlhandle = DynaLoader::dl_load_file("egg_bacon_sausage_and_spam") };
72 $dlerr = DynaLoader::dl_error();
74 skip "dl_load_file() does not attempt to load file on VMS (and thus does not fail) when \@dl_require_symbols is empty", 1 if $^O eq 'VMS';
75 ok( !$dlhandle, "calling DynaLoader::dl_load_file() without an existing library should fail" );
77 ok( defined $dlerr, "dl_error() returning an error message: '$dlerr'" );
79 # Checking for any particular error messages or numeric codes
80 # is very unportable, please do not try to do that. A failing
81 # dl_load_file() is not even guaranteed to set the $! or the $^E.
86 eval { @files = DynaLoader::dl_findfile("c") };
87 is( $@, '', "calling dl_findfile()" );
88 # Some platforms are known to not have a "libc"
89 # (not at least by that name) that the dl_findfile()
91 skip "dl_findfile test not appropriate on $^O", 1
92 if $^O =~ /(win32|vms)/i;
93 # Play safe and only try this test if this system
94 # looks pretty much Unix-like.
95 skip "dl_findfile test not appropriate on $^O", 1
96 unless -d '/usr' && -f '/bin/ls';
97 cmp_ok( scalar @files, '>=', 1, "array should contain one result result or more: libc => (@files)" );
100 # Now try to load well known XS modules
101 my $extensions = $Config{'extensions'};
102 $extensions =~ s|/|::|g;
104 for my $module (sort keys %modules) {
106 skip "$module not available", 1 if $extensions !~ /\b$module\b/;
108 is( $@, '', "loading $module" );
112 # checking internal consistency
113 is( scalar @DynaLoader::dl_librefs, scalar keys %modules, "checking number of items in \@dl_librefs" );
114 is( scalar @DynaLoader::dl_modules, scalar keys %modules, "checking number of items in \@dl_modules" );
116 my @loaded_modules = @DynaLoader::dl_modules;
117 for my $libref (reverse @DynaLoader::dl_librefs) {
119 skip "unloading unsupported on $^O", 2 if ($^O eq 'VMS' || $^O eq 'darwin');
120 my $module = pop @loaded_modules;
121 my $r = eval { DynaLoader::dl_unload_file($libref) };
122 is( $@, '', "calling dl_unload_file() for $module" );
123 is( $r, 1, " - unload was successful" );