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|
#!./perl
BEGIN {
chdir 't' if -d 't';
@INC = '../lib';
require './test.pl';
}
plan tests => 26;
#
# This file tries to test builtin override using CORE::GLOBAL
#
my $dirsep = "/";
BEGIN { package Foo; *main::getlogin = sub { "kilroy"; } }
is( getlogin, "kilroy" );
my $t = 42;
BEGIN { *CORE::GLOBAL::time = sub () { $t; } }
is( 45, time + 3 );
#
# require has special behaviour
#
my $r;
BEGIN { *CORE::GLOBAL::require = sub { $r = shift; 1; } }
require Foo;
is( $r, "Foo.pm" );
require Foo::Bar;
is( $r, join($dirsep, "Foo", "Bar.pm") );
require 'Foo';
is( $r, "Foo" );
require 5.6;
is( $r, "5.6" );
require v5.6;
ok( abs($r - 5.006) < 0.001 && $r eq "\x05\x06" );
eval "use Foo";
is( $r, "Foo.pm" );
eval "use Foo::Bar";
is( $r, join($dirsep, "Foo", "Bar.pm") );
eval "use 5.6";
is( $r, "5.6" );
# localizing *CORE::GLOBAL::foo should revert to finding CORE::foo
{
local(*CORE::GLOBAL::require);
$r = '';
eval "require NoNeXiSt;";
ok( ! ( $r or $@ !~ /^Can't locate NoNeXiSt/i ) );
}
#
# readline() has special behaviour too
#
$r = 11;
BEGIN { *CORE::GLOBAL::readline = sub (;*) { ++$r }; }
is( <FH> , 12 );
is( <$fh> , 13 );
my $pad_fh;
is( <$pad_fh> , 14 );
# Non-global readline() override
BEGIN { *Rgs::readline = sub (;*) { --$r }; }
{
package Rgs;
::is( <FH> , 13 );
::is( <$fh> , 12 );
::is( <$pad_fh> , 11 );
}
# Global readpipe() override
BEGIN { *CORE::GLOBAL::readpipe = sub ($) { "$_[0] " . --$r }; }
is( `rm`, "rm 10", '``' );
is( qx/cp/, "cp 9", 'qx' );
# Non-global readpipe() override
BEGIN { *Rgs::readpipe = sub ($) { ++$r . " $_[0]" }; }
{
package Rgs;
::is( `rm`, "10 rm", '``' );
::is( qx/cp/, "11 cp", 'qx' );
}
# Verify that the parsing of overriden keywords isn't messed up
# by the indirect object notation
{
local $SIG{__WARN__} = sub {
::like( $_[0], qr/^ok overriden at/ );
};
BEGIN { *OverridenWarn::warn = sub { CORE::warn "@_ overriden"; }; }
package OverridenWarn;
sub foo { "ok" }
warn( OverridenWarn->foo() );
warn OverridenWarn->foo();
}
BEGIN { *OverridenPop::pop = sub { ::is( $_[0][0], "ok" ) }; }
{
package OverridenPop;
sub foo { [ "ok" ] }
pop( OverridenPop->foo() );
pop OverridenPop->foo();
}
{
eval {
local *CORE::GLOBAL::require = sub {
CORE::require($_[0]);
};
require 5;
require Text::ParseWords;
};
is $@, '';
}
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