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path: root/t/comp/hints.t
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#!./perl

# Tests the scoping of $^H and %^H

BEGIN {
    chdir 't' if -d 't';
    @INC = qw(. ../lib);
}


BEGIN { print "1..17\n"; }
BEGIN {
    print "not " if exists $^H{foo};
    print "ok 1 - \$^H{foo} doesn't exist initially\n";
    if (${^OPEN}) {
	print "not " unless $^H & 0x00020000;
	print "ok 2 - \$^H contains HINT_LOCALIZE_HH initially with ${^OPEN}\n";
    } else {
	print "not " if $^H & 0x00020000;
	print "ok 2 - \$^H doesn't contain HINT_LOCALIZE_HH initially\n";
    }
}
{
    # simulate a pragma -- don't forget HINT_LOCALIZE_HH
    BEGIN { $^H |= 0x04020000; $^H{foo} = "a"; }
    BEGIN {
	print "not " if $^H{foo} ne "a";
	print "ok 3 - \$^H{foo} is now 'a'\n";
	print "not " unless $^H & 0x00020000;
	print "ok 4 - \$^H contains HINT_LOCALIZE_HH while compiling\n";
    }
    {
	BEGIN { $^H |= 0x00020000; $^H{foo} = "b"; }
	BEGIN {
	    print "not " if $^H{foo} ne "b";
	    print "ok 5 - \$^H{foo} is now 'b'\n";
	}
    }
    BEGIN {
	print "not " if $^H{foo} ne "a";
	print "ok 6 - \$H^{foo} restored to 'a'\n";
    }
    # The pragma settings disappear after compilation
    # (test at CHECK-time and at run-time)
    CHECK {
	print "not " if exists $^H{foo};
	print "ok 9 - \$^H{foo} doesn't exist when compilation complete\n";
	if (${^OPEN}) {
	    print "not " unless $^H & 0x00020000;
	    print "ok 10 - \$^H contains HINT_LOCALIZE_HH when compilation complete with ${^OPEN}\n";
	} else {
	    print "not " if $^H & 0x00020000;
	    print "ok 10 - \$^H doesn't contain HINT_LOCALIZE_HH when compilation complete\n";
	}
    }
    print "not " if exists $^H{foo};
    print "ok 11 - \$^H{foo} doesn't exist at runtime\n";
    if (${^OPEN}) {
	print "not " unless $^H & 0x00020000;
	print "ok 12 - \$^H contains HINT_LOCALIZE_HH at run-time with ${^OPEN}\n";
    } else {
	print "not " if $^H & 0x00020000;
	print "ok 12 - \$^H doesn't contain HINT_LOCALIZE_HH at run-time\n";
    }
    # op_entereval should keep the pragmas it was compiled with
    eval q*
	print "not " if $^H{foo} ne "a";
	print "ok 13 - \$^H{foo} is 'a' at eval-\"\" time\n";
	print "not " unless $^H & 0x00020000;
	print "ok 14 - \$^H contains HINT_LOCALIZE_HH at eval\"\"-time\n";
    *;
}
BEGIN {
    print "not " if exists $^H{foo};
    print "ok 7 - \$^H{foo} doesn't exist while finishing compilation\n";
    if (${^OPEN}) {
	print "not " unless $^H & 0x00020000;
	print "ok 8 - \$^H contains HINT_LOCALIZE_HH while finishing compilation with ${^OPEN}\n";
    } else {
	print "not " if $^H & 0x00020000;
	print "ok 8 - \$^H doesn't contain HINT_LOCALIZE_HH while finishing compilation\n";
    }
}

require 'test.pl';

# bug #27040: hints hash was being double-freed
my $result = runperl(
    prog => '$^H |= 0x20000; eval q{BEGIN { $^H |= 0x20000 }}',
    stderr => 1
);
print "not " if length $result;
print "ok 15 - double-freeing hints hash\n";
print "# got: $result\n" if length $result;

{
    BEGIN{$^H{x}=1};
    for(1..2) {
        eval q(
            print $^H{x}==1 && !$^H{y} ? "ok\n" : "not ok\n";
            $^H{y} = 1;
        );
        if ($@) {
            (my $str = $@)=~s/^/# /gm;
            print "not ok\n$str\n";
        }
    }
}