#!./perl

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

BEGIN {
    push $^INCLUDE_PATH, < qw(.);
}


BEGIN { print $^STDOUT, "1..17\n"; }
BEGIN {
    print $^STDOUT, "not " if exists $^HINTS{foo};
    print $^STDOUT, "ok 1 - \$^HINTS\{foo\} doesn't exist initially\n";
    if ($^OPEN) {
	print $^STDOUT, "not " unless $^HINT_BITS ^&^ 0x00020000;
	print $^STDOUT, "ok 2 - \$^HINT_BITS contains HINT_LOCALIZE_HH initially with $($^OPEN)\n";
    } else {
	print $^STDOUT, "not " if $^HINT_BITS ^&^ 0x00020000;
	print $^STDOUT, "ok 2 - \$^HINT_BITS doesn't contain HINT_LOCALIZE_HH initially\n";
    }
}
do {
    # simulate a pragma -- don't forget HINT_LOCALIZE_HH
    BEGIN { $^HINT_BITS ^|^= 0x04020000; $^HINTS{+foo} = "a"; }
    BEGIN {
	print $^STDOUT, "not " if $^HINTS{?foo} ne "a";
	print $^STDOUT, "ok 3 - \$^HINTS\{foo\} is now 'a'\n";
	print $^STDOUT, "not " unless $^HINT_BITS ^&^ 0x00020000;
	print $^STDOUT, "ok 4 - \$^HINTS contains HINT_LOCALIZE_HH while compiling\n";
    }
    do {
	BEGIN { $^HINT_BITS ^|^= 0x00020000; $^HINTS{+foo} = "b"; }
	BEGIN {
	    print $^STDOUT, "not " if $^HINTS{?foo} ne "b";
	    print $^STDOUT, "ok 5 - \$^HINTS\{foo\} is now 'b'\n";
	}
    };
    BEGIN {
	print $^STDOUT, "not " if $^HINTS{?foo} ne "a";
	print $^STDOUT, "ok 6 - \$^HINTS\{foo\} restored to 'a'\n";
    }
    # The pragma settings disappear after compilation
    # (test at CHECK-time and at run-time)
    CHECK {
	print $^STDOUT, "not " if exists $^HINTS{foo};
	print $^STDOUT, "ok 9 - \$^HINTS\{foo\} doesn't exist when compilation complete\n";
	if ($^OPEN) {
	    print $^STDOUT, "not " unless $^HINT_BITS ^&^ 0x00020000;
	    print $^STDOUT, "ok 10 - \$^HINT_BITS contains HINT_LOCALIZE_HH when compilation complete with $($^OPEN)\n";
	} else {
	    print $^STDOUT, "not " if $^HINT_BITS ^&^ 0x00020000;
	    print $^STDOUT, "ok 10 - \$^H doesn't contain HINT_LOCALIZE_HH when compilation complete\n";
	}
    }
    print $^STDOUT, "not " if exists $^HINTS{foo};
    print $^STDOUT, "ok 11 - \$^H\{foo\} doesn't exist at runtime\n";
    if ($^OPEN) {
	print $^STDOUT, "not " unless $^HINT_BITS ^&^ 0x00020000;
	print $^STDOUT, "ok 12 - \$^H contains HINT_LOCALIZE_HH at run-time with $($^OPEN)\n";
    } else {
	print $^STDOUT, "not " if $^HINT_BITS ^&^ 0x00020000;
	print $^STDOUT, "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 $^STDOUT, "not " if $^HINTS{foo} ne "a";
	print $^STDOUT, "ok 13 - \$^HINTS\{foo\} is 'a' at eval-\"\" time\n";
	print $^STDOUT, "not " unless $^HINT_BITS ^&^ 0x00020000;
	print $^STDOUT, "ok 14 - \$^HINTS contains HINT_LOCALIZE_HH at eval\"\"-time\n";
    >;
    die if $^EVAL_ERROR;
};
BEGIN {
    print $^STDOUT, "not " if exists $^HINTS{foo};
    print $^STDOUT, "ok 7 - \$^HINTS\{foo\} doesn't exist while finishing compilation\n";
    if ($^OPEN) {
	print $^STDOUT, "not " unless $^HINT_BITS ^&^ 0x00020000;
	print $^STDOUT, "ok 8 - \$^H contains HINT_LOCALIZE_HH while finishing compilation with $($^OPEN)\n";
    } else {
	print $^STDOUT, "not " if $^HINT_BITS ^&^ 0x00020000;
	print $^STDOUT, "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 $result = runperl(
    prog => '$^HINT_BITS ^|^= 0x20000; eval q{BEGIN { $^HINT_BITS ^|^= 0x20000 }}',
    stderr => 1
);
print $^STDOUT, "not " if length $result;
print $^STDOUT, "ok 15 - double-freeing hints hash\n";
print $^STDOUT, "# got: $result\n" if length $result;

do {
    BEGIN{$^HINTS{+x}=1};
    for(1..2) {
        eval q(
            print $^STDOUT, $^HINTS{x}==1 && !$^HINTS{?y} ?? "ok\n" !! "not ok\n";
            $^HINTS{+y} = 1;
        );
        if ($^EVAL_ERROR) {
            print $^STDOUT, "not ok\n$($^EVAL_ERROR->message)\n";
        }
    }
};