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OS/2 Shareware BBS: 10 Tools
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perl560.zip
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symbol.t
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1999-07-20
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879b
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53 lines
#!./perl
BEGIN {
chdir 't' if -d 't';
unshift @INC, '../lib';
}
print "1..8\n";
BEGIN { $_ = 'foo'; } # because Symbol used to clobber $_
use Symbol;
# First check $_ clobbering
print "not " if $_ ne 'foo';
print "ok 1\n";
# First test gensym()
$sym1 = gensym;
print "not " if ref($sym1) ne 'GLOB';
print "ok 2\n";
$sym2 = gensym;
print "not " if $sym1 eq $sym2;
print "ok 3\n";
ungensym $sym1;
$sym1 = $sym2 = undef;
# Test qualify()
package foo;
use Symbol qw(qualify); # must import into this package too
qualify("x") eq "foo::x" or print "not ";
print "ok 4\n";
qualify("x", "FOO") eq "FOO::x" or print "not ";
print "ok 5\n";
qualify("BAR::x") eq "BAR::x" or print "not ";
print "ok 6\n";
qualify("STDOUT") eq "main::STDOUT" or print "not ";
print "ok 7\n";
qualify("ARGV", "FOO") eq "main::ARGV" or print "not ";
print "ok 8\n";