X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=t%2Fop%2Funiversal.t;h=b7d452fc5a643d7facc8ae9946dfeec2505f5139;hb=e24631be6ac297b562086a055de17c5bd4247797;hp=b6596a3c95ffc64f7b2b7e6a7835ff978f0f99b8;hpb=39d11b7fff60fb4dbe9c17fee36ce5399b4376d8;p=p5sagit%2Fp5-mst-13.2.git diff --git a/t/op/universal.t b/t/op/universal.t index b6596a3..b7d452f 100755 --- a/t/op/universal.t +++ b/t/op/universal.t @@ -9,7 +9,7 @@ BEGIN { $| = 1; } -print "1..84\n"; +print "1..101\n"; $a = {}; bless $a, "Bob"; @@ -46,14 +46,23 @@ $Alice::VERSION = 2.718; package main; { my $i = 2; - sub test { print "not " unless shift; print "ok $i\n"; $i++; } + sub test { + print "not " unless $_[0]; + print "ok ", $i++; + print " # at ", (caller)[1], ", line ", (caller)[2] unless $_[0]; + print "\n"; + } } $a = new Alice; test $a->isa("Alice"); +test $a->isa("main::Alice"); # check that alternate class names work + +test(("main::Alice"->new)->isa("Alice")); test $a->isa("Bob"); +test $a->isa("main::Bob"); test $a->isa("Female"); @@ -63,12 +72,14 @@ test ! $a->isa("Male"); test ! $a->isa('Programmer'); +test $a->isa("HASH"); + test $a->can("eat"); test ! $a->can("sleep"); test my $ref = $a->can("drink"); # returns a coderef test $a->$ref("tea") eq "drinking tea"; # ... which works test $ref = $a->can("sing"); -eval { $a->sing }; +eval { $a->$ref() }; test $@; # ... but not if no actual subroutine test (!Cedric->isa('Programmer')); @@ -110,15 +121,17 @@ test ! $a->can("export_tags"); # a method in Exporter test (eval { $a->VERSION }) == 2.718; test ! (eval { $a->VERSION(2.719) }) && - $@ =~ /^Alice version 2.71(?:9|8999\d+) required--this is only version 2.718 at /; + $@ =~ /^Alice version 2.719 \(2\.719\.0\) required--this is only version 2.718 \(2\.718\.0\) at /; test (eval { $a->VERSION(2.718) }) && ! $@; my $subs = join ' ', sort grep { defined &{"UNIVERSAL::$_"} } keys %UNIVERSAL::; +## The test for import here is *not* because we want to ensure that UNIVERSAL +## can always import; it is an historical accident that UNIVERSAL can import. if ('a' lt 'A') { - test $subs eq "can isa VERSION"; + test $subs eq "can import isa VERSION"; } else { - test $subs eq "VERSION can isa"; + test $subs eq "VERSION can import isa"; } test $a->isa("UNIVERSAL"); @@ -152,3 +165,39 @@ test ! UNIVERSAL::can($b, "can"); test ! $a->can("export_tags"); # a method in Exporter test ! UNIVERSAL::isa("\xff\xff\xff\0", 'HASH'); + +{ + package Pickup; + use UNIVERSAL qw( isa can VERSION ); + + main::test isa "Pickup", UNIVERSAL; + main::test can( "Pickup", "can" ) == \&UNIVERSAL::can; + main::test VERSION "UNIVERSAL" ; +} + +{ + # test isa() and can() on magic variables + "Human" =~ /(.*)/; + test $1->isa("Human"); + test $1->can("eat"); + package HumanTie; + sub TIESCALAR { bless {} } + sub FETCH { "Human" } + tie my($x), "HumanTie"; + ::test $x->isa("Human"); + ::test $x->can("eat"); +} + +# bugid 3284 +# a second call to isa('UNIVERSAL') when @ISA is null failed due to caching + +@X::ISA=(); +my $x = {}; bless $x, 'X'; +test $x->isa('UNIVERSAL'); +test $x->isa('UNIVERSAL'); + + +# Check that the "historical accident" of UNIVERSAL having an import() +# method doesn't effect anyone else. +eval { Some::Package->import("bar") }; +test !$@;