lib/base/Changes base.pm changelog
lib/base.pm Establish IS-A relationship at compile time
lib/base/t/base.t See if base works
+lib/base/t/compile-time.t See if base works
lib/base/t/fields-base.t See if fields work
+lib/base/t/fields-5.6.0.t See if fields work
+lib/base/t/fields-5.8.0.t See if fields work
lib/base/t/fields.t See if fields work
lib/base/t/isa.t See if base's behaviour doesn't change
lib/base/t/lib/Dummy.pm Test module for base.pm
--- /dev/null
+#!/usr/bin/perl -w
+
+use strict;
+use Test::More tests => 3;
+
+my $Has_PH = $] < 5.009;
+my $Field = $Has_PH ? "pseudo-hash field" : "class field";
+
+{
+ package Parent;
+ use fields qw(this that);
+ sub new { fields::new(shift) }
+}
+
+{
+ package Child;
+ use base qw(Parent);
+}
+
+my Child $obj = Child->new;
+
+eval q(return; my Child $obj3 = $obj; $obj3->{notthere} = "");
+like $@,
+ qr/^No such .*field "notthere" in variable \$obj3 of type Child/,
+ "Compile failure of undeclared fields (helem)";
+
+# Slices
+# We should get compile time failures field name typos
+SKIP: {
+ skip("Pseudo-hashes do not support compile-time slice checks", 2)
+ if $Has_PH;
+
+ eval q(return; my Child $obj3 = $obj; my $k; @$obj3{$k,'notthere'} = ());
+ like $@,
+ qr/^No such .*field "notthere" in variable \$obj3 of type Child/,
+ "Compile failure of undeclared fields (hslice)";
+
+ eval q(return; my Child $obj3 = $obj; my $k; @{$obj3}{$k,'notthere'} = ());
+ like
+ $@, qr/^No such .*field "notthere" in variable \$obj3 of type Child/,
+ "Compile failure of undeclared fields (hslice (block form))";
+}
--- /dev/null
+# The fields.pm and base.pm regression tests from 5.6.0
+
+# We skip this on 5.9.0 and up since pseudohashes were removed and a lot
+# of it won't work.
+if( $] >= 5.009 ) {
+ print "1..0 # skip pseudo-hashes removed in 5.9.0\n";
+ exit;
+}
+
+use strict;
+use vars qw($Total_tests);
+
+my $test_num = 1;
+BEGIN { $| = 1; $^W = 1; }
+print "1..$Total_tests\n";
+use fields;
+use base;
+print "ok $test_num\n";
+$test_num++;
+
+# Insert your test code below (better if it prints "ok 13"
+# (correspondingly "not ok 13") depending on the success of chunk 13
+# of the test code):
+sub ok {
+ my($test, $name) = @_;
+ print "not " unless $test;
+ print "ok $test_num";
+ print " - $name" if defined $name;
+ print "\n";
+ $test_num++;
+}
+
+sub eqarray {
+ my($a1, $a2) = @_;
+ return 0 unless @$a1 == @$a2;
+ my $ok = 1;
+ for (0..$#{$a1}) {
+ unless($a1->[$_] eq $a2->[$_]) {
+ $ok = 0;
+ last;
+ }
+ }
+ return $ok;
+}
+
+# Change this to your # of ok() calls + 1
+BEGIN { $Total_tests = 14 }
+
+
+my $w;
+
+BEGIN {
+ $^W = 1;
+
+ $SIG{__WARN__} = sub {
+ if ($_[0] =~ /^Hides field 'b1' in base class/) {
+ $w++;
+ return;
+ }
+ print $_[0];
+ };
+}
+
+use strict;
+use vars qw($DEBUG);
+
+package B1;
+use fields qw(b1 b2 b3);
+
+package B2;
+use fields '_b1';
+use fields qw(b1 _b2 b2);
+
+sub new { bless [], shift }
+
+package D1;
+use base 'B1';
+use fields qw(d1 d2 d3);
+
+package D2;
+use base 'B1';
+use fields qw(_d1 _d2);
+use fields qw(d1 d2);
+
+package D3;
+use base 'B2';
+use fields qw(b1 d1 _b1 _d1); # hide b1
+
+package D4;
+use base 'D3';
+use fields qw(_d3 d3);
+
+package M;
+sub m {}
+
+package D5;
+use base qw(M B2);
+
+package Foo::Bar;
+use base 'B1';
+
+package Foo::Bar::Baz;
+use base 'Foo::Bar';
+use fields qw(foo bar baz);
+
+# Test repeatability for when modules get reloaded.
+package B1;
+use fields qw(b1 b2 b3);
+
+package D3;
+use base 'B2';
+use fields qw(b1 d1 _b1 _d1); # hide b1
+
+package main;
+
+sub fstr {
+ my $h = shift;
+ my @tmp;
+ for my $k (sort {$h->{$a} <=> $h->{$b}} keys %$h) {
+ my $v = $h->{$k};
+ push(@tmp, "$k:$v");
+ }
+ my $str = join(",", @tmp);
+ print "$h => $str\n" if $DEBUG;
+ $str;
+}
+
+my %expect;
+BEGIN {
+ %expect = (
+ B1 => "b1:1,b2:2,b3:3",
+ B2 => "_b1:1,b1:2,_b2:3,b2:4",
+ D1 => "b1:1,b2:2,b3:3,d1:4,d2:5,d3:6",
+ D2 => "b1:1,b2:2,b3:3,_d1:4,_d2:5,d1:6,d2:7",
+ D3 => "b2:4,b1:5,d1:6,_b1:7,_d1:8",
+ D4 => "b2:4,b1:5,d1:6,_d3:9,d3:10",
+ D5 => "b1:2,b2:4",
+ 'Foo::Bar::Baz' => 'b1:1,b2:2,b3:3,foo:4,bar:5,baz:6',
+ );
+ $Total_tests += int(keys %expect);
+}
+my $testno = 0;
+while (my($class, $exp) = each %expect) {
+ no strict 'refs';
+ my $fstr = fstr(\%{$class."::FIELDS"});
+ ok( $fstr eq $exp, "'$fstr' eq '$exp'" );
+}
+
+# Did we get the appropriate amount of warnings?
+ok( $w == 1 );
+
+# A simple object creation and AVHV attribute access test
+my B2 $obj1 = D3->new;
+$obj1->{b1} = "B2";
+my D3 $obj2 = $obj1;
+$obj2->{b1} = "D3";
+
+ok( $obj1->[2] eq "B2" && $obj1->[5] eq "D3" );
+
+# We should get compile time failures field name typos
+eval q{ my D3 $obj3 = $obj2; $obj3->{notthere} = "" };
+ok( $@ && $@ =~ /^No such pseudo-hash field "notthere"/,
+ 'compile error -- field name typos' );
+
+
+# Slices
+if( $] >= 5.006 ) {
+ @$obj1{"_b1", "b1"} = (17, 29);
+ ok( "@$obj1[1,2]" eq "17 29" );
+
+ @$obj1[1,2] = (44,28);
+ ok( "@$obj1{'b1','_b1','b1'}" eq "28 44 28" );
+}
+else {
+ ok( 1, 'test skipped for perl < 5.6.0' );
+ ok( 1, 'test skipped for perl < 5.6.0' );
+}
+
+my $ph = fields::phash(a => 1, b => 2, c => 3);
+ok( fstr($ph) eq 'a:1,b:2,c:3' );
+
+$ph = fields::phash([qw/a b c/], [1, 2, 3]);
+ok( fstr($ph) eq 'a:1,b:2,c:3' );
+
+# The way exists() works with psuedohashes changed from 5.005 to 5.6
+$ph = fields::phash([qw/a b c/], [1]);
+if( $] > 5.006 ) {
+ ok( !( exists $ph->{b} or exists $ph->{c} or !exists $ph->{a} ) );
+}
+else {
+ ok( !( defined $ph->{b} or defined $ph->{c} or !defined $ph->{a} ) );
+}
+
+eval { $ph = fields::phash("odd") };
+ok( $@ && $@ =~ /^Odd number of/ );
+
+
+# check if fields autovivify
+if ( $] > 5.006 ) {
+ package Foo;
+ use fields qw(foo bar);
+ sub new { bless [], $_[0]; }
+
+ package main;
+ my Foo $a = Foo->new();
+ $a->{foo} = ['a', 'ok', 'c'];
+ $a->{bar} = { A => 'ok' };
+ ok( $a->{foo}[1] eq 'ok' );
+ ok( $a->{bar}->{A} eq 'ok' );
+}
+else {
+ ok( 1, 'test skipped for perl < 5.6.0' );
+ ok( 1, 'test skipped for perl < 5.6.0' );
+}
+
+# check if fields autovivify
+{
+ package Bar;
+ use fields qw(foo bar);
+ sub new { return fields::new($_[0]) }
+
+ package main;
+ my Bar $a = Bar::->new();
+ $a->{foo} = ['a', 'ok', 'c'];
+ $a->{bar} = { A => 'ok' };
+ ok( $a->{foo}[1] eq 'ok' );
+ ok( $a->{bar}->{A} eq 'ok' );
+}
--- /dev/null
+#!/usr/bin/perl -w
+
+# We skip this on 5.9.0 and up since pseudohashes were removed and a lot of
+# it won't work.
+if( $] >= 5.009 ) {
+ print "1..0 # skip pseudo-hashes removed in 5.9.0\n";
+ exit;
+}
+
+
+my $w;
+
+BEGIN {
+ $SIG{__WARN__} = sub {
+ if ($_[0] =~ /^Hides field 'b1' in base class/) {
+ $w++;
+ }
+ else {
+ print STDERR $_[0];
+ }
+ };
+}
+
+use strict;
+use vars qw($DEBUG);
+
+package B1;
+use fields qw(b1 b2 b3);
+
+package B2;
+use fields '_b1';
+use fields qw(b1 _b2 b2);
+
+sub new { bless [], shift }
+
+package D1;
+use base 'B1';
+use fields qw(d1 d2 d3);
+
+package D2;
+use base 'B1';
+use fields qw(_d1 _d2);
+use fields qw(d1 d2);
+
+package D3;
+use base 'B2';
+use fields qw(b1 d1 _b1 _d1); # hide b1
+
+package D4;
+use base 'D3';
+use fields qw(_d3 d3);
+
+package M;
+sub m {}
+
+package D5;
+use base qw(M B2);
+
+package Foo::Bar;
+use base 'B1';
+
+package Foo::Bar::Baz;
+use base 'Foo::Bar';
+use fields qw(foo bar baz);
+
+# Test repeatability for when modules get reloaded.
+package B1;
+use fields qw(b1 b2 b3);
+
+package D3;
+use base 'B2';
+use fields qw(b1 d1 _b1 _d1); # hide b1
+
+package main;
+
+sub fstr {
+ local $SIG{__WARN__} = sub {
+ return if $_[0] =~ /^Pseudo-hashes are deprecated/
+ };
+
+ my $h = shift;
+ my @tmp;
+ for my $k (sort {$h->{$a} <=> $h->{$b}} keys %$h) {
+ my $v = $h->{$k};
+ push(@tmp, "$k:$v");
+ }
+ my $str = join(",", @tmp);
+ print "$h => $str\n" if $DEBUG;
+ $str;
+}
+
+my %expect = (
+ B1 => "b1:1,b2:2,b3:3",
+ B2 => "_b1:1,b1:2,_b2:3,b2:4",
+ D1 => "b1:1,b2:2,b3:3,d1:4,d2:5,d3:6",
+ D2 => "b1:1,b2:2,b3:3,_d1:4,_d2:5,d1:6,d2:7",
+ D3 => "b2:4,b1:5,d1:6,_b1:7,_d1:8",
+ D4 => "b2:4,b1:5,d1:6,_d3:9,d3:10",
+ D5 => "b1:2,b2:4",
+ 'Foo::Bar::Baz' => 'b1:1,b2:2,b3:3,foo:4,bar:5,baz:6',
+);
+
+print "1..", int(keys %expect)+21, "\n";
+my $testno = 0;
+while (my($class, $exp) = each %expect) {
+ no strict 'refs';
+ my $fstr = fstr(\%{$class."::FIELDS"});
+ print "EXP: $exp\nGOT: $fstr\nnot " unless $fstr eq $exp;
+ print "ok ", ++$testno, "\n";
+}
+
+# Did we get the appropriate amount of warnings?
+print "not " unless $w == 1;
+print "ok ", ++$testno, "\n";
+
+# A simple object creation and AVHV attribute access test
+my B2 $obj1 = D3->new;
+$obj1->{b1} = "B2";
+my D3 $obj2 = $obj1;
+$obj2->{b1} = "D3";
+
+print "not " unless $obj1->[2] eq "B2" && $obj1->[5] eq "D3";
+print "ok ", ++$testno, "\n";
+
+# We should get compile time failures field name typos
+eval q(my D3 $obj3 = $obj2; $obj3->{notthere} = "");
+print "not " unless $@ && $@ =~ /^No such pseudo-hash field "notthere"/;
+print "ok ", ++$testno, "\n";
+
+# Slices
+@$obj1{"_b1", "b1"} = (17, 29);
+print "not " unless "@$obj1[1,2]" eq "17 29";
+print "ok ", ++$testno, "\n";
+@$obj1[1,2] = (44,28);
+print "not " unless "@$obj1{'b1','_b1','b1'}" eq "28 44 28";
+print "ok ", ++$testno, "\n";
+
+{
+ local $SIG{__WARN__} = sub {
+ return if $_[0] =~ /^Pseudo-hashes are deprecated/
+ };
+
+ my $ph = fields::phash(a => 1, b => 2, c => 3);
+ print "not " unless fstr($ph) eq 'a:1,b:2,c:3';
+ print "ok ", ++$testno, "\n";
+
+ $ph = fields::phash([qw/a b c/], [1, 2, 3]);
+ print "not " unless fstr($ph) eq 'a:1,b:2,c:3';
+ print "ok ", ++$testno, "\n";
+
+ $ph = fields::phash([qw/a b c/], [1]);
+ print "not " if exists $ph->{b} or exists $ph->{c} or !exists $ph->{a};
+ print "ok ", ++$testno, "\n";
+
+ eval '$ph = fields::phash("odd")';
+ print "not " unless $@ && $@ =~ /^Odd number of/;
+ print "ok ", ++$testno, "\n";
+}
+
+#fields::_dump();
+
+# check if fields autovivify
+{
+ package Foo;
+ use fields qw(foo bar);
+ sub new { bless [], $_[0]; }
+
+ package main;
+ my Foo $a = Foo->new();
+ $a->{foo} = ['a', 'ok ' . ++$testno, 'c'];
+ $a->{bar} = { A => 'ok ' . ++$testno };
+ print $a->{foo}[1], "\n";
+ print $a->{bar}->{A}, "\n";
+}
+
+# check if fields autovivify
+{
+ package Bar;
+ use fields qw(foo bar);
+ sub new { return fields::new($_[0]) }
+
+ package main;
+ my Bar $a = Bar::->new();
+ $a->{foo} = ['a', 'ok ' . ++$testno, 'c'];
+ $a->{bar} = { A => 'ok ' . ++$testno };
+ print $a->{foo}[1], "\n";
+ print $a->{bar}->{A}, "\n";
+}
+
+
+# Test $VERSION bug
+package No::Version;
+
+use vars qw($Foo);
+sub VERSION { 42 }
+
+package Test::Version;
+
+use base qw(No::Version);
+print "# $No::Version::VERSION\nnot " unless $No::Version::VERSION =~ /set by base\.pm/;
+print "ok ", ++$testno ,"\n";
+
+# Test Inverse of $VERSION bug base.pm should not clobber existing $VERSION
+package Has::Version;
+
+BEGIN { $Has::Version::VERSION = '42' };
+
+package Test::Version2;
+
+use base qw(Has::Version);
+print "#$Has::Version::VERSION\nnot " unless $Has::Version::VERSION eq '42';
+print "ok ", ++$testno ," # Has::Version\n";
+
+package main;
+
+my $eval1 = q{
+ {
+ package Eval1;
+ {
+ package Eval2;
+ use base 'Eval1';
+ $Eval2::VERSION = "1.02";
+ }
+ $Eval1::VERSION = "1.01";
+ }
+};
+
+eval $eval1;
+printf "# %s\nnot ", $@ if $@;
+print "ok ", ++$testno ," # eval1\n";
+
+print "# $Eval1::VERSION\nnot " unless $Eval1::VERSION == 1.01;
+print "ok ", ++$testno ," # Eval1::VERSION\n";
+
+print "# $Eval2::VERSION\nnot " unless $Eval2::VERSION == 1.02;
+print "ok ", ++$testno ," # Eval2::VERSION\n";
+
+
+eval q{use base reallyReAlLyNotexists;};
+print "not " unless $@;
+print "ok ", ++$testno, " # really not I\n";
+
+eval q{use base reallyReAlLyNotexists;};
+print "not " unless $@;
+print "ok ", ++$testno, " # really not II\n";
+
+BEGIN { $Has::Version_0::VERSION = 0 }
+
+package Test::Version3;
+
+use base qw(Has::Version_0);
+print "#$Has::Version_0::VERSION\nnot " unless $Has::Version_0::VERSION == 0;
+print "ok ", ++$testno ," # Version_0\n";
+
my X $self = shift;
$self = fields::new($self) unless ref $self;
$self->{X1} = "x1";
+ # FIXME. This code is dead on blead becase the test is skipped.
+ # The test states that it's being skipped because restricted hashes
+ # don't support a feature. Presumably we need to make that feature
+ # supported. Bah.
+ # use Devel::Peek; Dump($self);
$self->{_X2} = "_x2";
return $self;
}
package main;
+ if ($Has_PH) {
my Z $c = Z->new();
is($c->get_X2, '_x2', "empty intermediate class");
+ }
+ else {
+ SKIP: {
+ skip "restricted hashes don't support private fields properly", 1;
+ }
+ }
}